purplefox | 1f8bd3be8998046f4d49d6a7a2f8e13980de241fdb0c4c8b3c2de467fb425461

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-11-2024 06:34

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General

Target

1f8bd3be8998046f4d49d6a7a2f8e13980de241fdb0c4c8b3c2de467fb425461.msi
Size

88.1MB
MD5

9b6d3f468e121e147da06c5fa36c48a4
SHA1

72f49dd62358b63bcec6b7f8d6ddb297890ae9de
SHA256

1f8bd3be8998046f4d49d6a7a2f8e13980de241fdb0c4c8b3c2de467fb425461
SHA512

4faa2ecab2359a7eda3124fdebb0b567ff236333cb7d7f98dd0bd23077249ca17aea01eed0827b89740e7f8764e9eb02b99001ac2d498c8072ebc14a130eb81a
SSDEEP

1572864:NB9nyr53s/zJIWTcBlboCqFM1YZO4gOwexegi0vq3ZCUiLe2GK8uq8iZFnH:Nnnyr5c5cPM1M1GOcAgi0vqpCZLeVKUb

Score

10^/10

purplefox discovery persistence privilege_escalation rootkit trojan

Malware Config

Signatures

Detect PurpleFox Rootkit 2 IoCs

Detect PurpleFox Rootkit.

rootkit

resource	yara_rule
behavioral1/files/0x0006000000016d22-76.dat	purplefox_rootkit
behavioral1/memory/3012-83-0x00000000001A0000-0x000000000047D000-memory.dmp	purplefox_rootkit

PurpleFox
PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.
rootkit trojan purplefox
Purplefox family
purplefox

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\GoogleUpdata_Service = "C:\\programdata\\Mylnk\\down.lnk"	{1B0CFB47-31AC-4aad-8F17-CA870D86A408}.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\GoogleUpdeta_Service = "C:\\Users\\Admin\\8EAA8C46-2C4D-4DA6-9E12-0000B311933C\\down.exe"	{78A85FB4-03B7-4ec5-AB77-CD7617445F26}.exe

Enumerates connected drives 3 TTPs 46 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1296 set thread context of 3012	1296	down.exe	39

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LineInstaller\LineInstaller\LineInstaller\1000417_baidusem_bianfengguandan.exe	msiexec.exe
File created	C:\Program Files (x86)\LineInstaller\LineInstaller\LineInstaller\LineInst.exe	msiexec.exe

Drops file in Windows directory 11 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\f76b23f.msi	msiexec.exe
File created	C:\Windows\Installer\f76b240.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB898.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\f76b240.ipi	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.ev1	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe
File created	C:\Windows\Installer\f76b23f.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB2DB.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIB414.tmp	msiexec.exe

Executes dropped EXE 5 IoCs

pid	Process
1296	down.exe
2156	down.exe
2164	{1B0CFB47-31AC-4aad-8F17-CA870D86A408}.exe
2640	LineInst.exe
2516	{78A85FB4-03B7-4ec5-AB77-CD7617445F26}.exe

Loads dropped DLL 21 IoCs

pid	Process
2720	MsiExec.exe
2720	MsiExec.exe
2720	MsiExec.exe
2720	MsiExec.exe
2720	MsiExec.exe
2908	MsiExec.exe
2096	MsiExec.exe
2096	MsiExec.exe
2096	MsiExec.exe
2096	MsiExec.exe
1296	down.exe
1296	down.exe
1296	down.exe
1296	down.exe
1296	down.exe
2156	down.exe
2156	down.exe
2156	down.exe
2156	down.exe
2156	down.exe
2720	MsiExec.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs

persistence privilege_escalation

Installer Packages

T1546.016

Msiexec

T1218.007

pid	Process
2128	msiexec.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{78A85FB4-03B7-4ec5-AB77-CD7617445F26}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{1B0CFB47-31AC-4aad-8F17-CA870D86A408}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LineInst.exe

Modifies data under HKEY_USERS 46 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2E	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	DrvInst.exe
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key deleted	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E	msiexec.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\EditFlags = "1732775699"	{1B0CFB47-31AC-4aad-8F17-CA870D86A408}.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2728	msiexec.exe
2728	msiexec.exe
2096	MsiExec.exe
2096	MsiExec.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2128	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2128	msiexec.exe
Token: SeRestorePrivilege	2728	msiexec.exe
Token: SeTakeOwnershipPrivilege	2728	msiexec.exe
Token: SeSecurityPrivilege	2728	msiexec.exe
Token: SeCreateTokenPrivilege	2128	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2128	msiexec.exe
Token: SeLockMemoryPrivilege	2128	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2128	msiexec.exe
Token: SeMachineAccountPrivilege	2128	msiexec.exe
Token: SeTcbPrivilege	2128	msiexec.exe
Token: SeSecurityPrivilege	2128	msiexec.exe
Token: SeTakeOwnershipPrivilege	2128	msiexec.exe
Token: SeLoadDriverPrivilege	2128	msiexec.exe
Token: SeSystemProfilePrivilege	2128	msiexec.exe
Token: SeSystemtimePrivilege	2128	msiexec.exe
Token: SeProfSingleProcessPrivilege	2128	msiexec.exe
Token: SeIncBasePriorityPrivilege	2128	msiexec.exe
Token: SeCreatePagefilePrivilege	2128	msiexec.exe
Token: SeCreatePermanentPrivilege	2128	msiexec.exe
Token: SeBackupPrivilege	2128	msiexec.exe
Token: SeRestorePrivilege	2128	msiexec.exe
Token: SeShutdownPrivilege	2128	msiexec.exe
Token: SeDebugPrivilege	2128	msiexec.exe
Token: SeAuditPrivilege	2128	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2128	msiexec.exe
Token: SeChangeNotifyPrivilege	2128	msiexec.exe
Token: SeRemoteShutdownPrivilege	2128	msiexec.exe
Token: SeUndockPrivilege	2128	msiexec.exe
Token: SeSyncAgentPrivilege	2128	msiexec.exe
Token: SeEnableDelegationPrivilege	2128	msiexec.exe
Token: SeManageVolumePrivilege	2128	msiexec.exe
Token: SeImpersonatePrivilege	2128	msiexec.exe
Token: SeCreateGlobalPrivilege	2128	msiexec.exe
Token: SeCreateTokenPrivilege	2128	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2128	msiexec.exe
Token: SeLockMemoryPrivilege	2128	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2128	msiexec.exe
Token: SeMachineAccountPrivilege	2128	msiexec.exe
Token: SeTcbPrivilege	2128	msiexec.exe
Token: SeSecurityPrivilege	2128	msiexec.exe
Token: SeTakeOwnershipPrivilege	2128	msiexec.exe
Token: SeLoadDriverPrivilege	2128	msiexec.exe
Token: SeSystemProfilePrivilege	2128	msiexec.exe
Token: SeSystemtimePrivilege	2128	msiexec.exe
Token: SeProfSingleProcessPrivilege	2128	msiexec.exe
Token: SeIncBasePriorityPrivilege	2128	msiexec.exe
Token: SeCreatePagefilePrivilege	2128	msiexec.exe
Token: SeCreatePermanentPrivilege	2128	msiexec.exe
Token: SeBackupPrivilege	2128	msiexec.exe
Token: SeRestorePrivilege	2128	msiexec.exe
Token: SeShutdownPrivilege	2128	msiexec.exe
Token: SeDebugPrivilege	2128	msiexec.exe
Token: SeAuditPrivilege	2128	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2128	msiexec.exe
Token: SeChangeNotifyPrivilege	2128	msiexec.exe
Token: SeRemoteShutdownPrivilege	2128	msiexec.exe
Token: SeUndockPrivilege	2128	msiexec.exe
Token: SeSyncAgentPrivilege	2128	msiexec.exe
Token: SeEnableDelegationPrivilege	2128	msiexec.exe
Token: SeManageVolumePrivilege	2128	msiexec.exe
Token: SeImpersonatePrivilege	2128	msiexec.exe
Token: SeCreateGlobalPrivilege	2128	msiexec.exe
Token: SeCreateTokenPrivilege	2128	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2128	msiexec.exe
2128	msiexec.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2720	2728	msiexec.exe	31
PID 2728 wrote to memory of 2720	2728	msiexec.exe	31
PID 2728 wrote to memory of 2720	2728	msiexec.exe	31
PID 2728 wrote to memory of 2720	2728	msiexec.exe	31
PID 2728 wrote to memory of 2720	2728	msiexec.exe	31
PID 2728 wrote to memory of 2720	2728	msiexec.exe	31
PID 2728 wrote to memory of 2720	2728	msiexec.exe	31
PID 2728 wrote to memory of 2908	2728	msiexec.exe	35
PID 2728 wrote to memory of 2908	2728	msiexec.exe	35
PID 2728 wrote to memory of 2908	2728	msiexec.exe	35
PID 2728 wrote to memory of 2908	2728	msiexec.exe	35
PID 2728 wrote to memory of 2908	2728	msiexec.exe	35
PID 2728 wrote to memory of 2908	2728	msiexec.exe	35
PID 2728 wrote to memory of 2908	2728	msiexec.exe	35
PID 2728 wrote to memory of 2096	2728	msiexec.exe	36
PID 2728 wrote to memory of 2096	2728	msiexec.exe	36
PID 2728 wrote to memory of 2096	2728	msiexec.exe	36
PID 2728 wrote to memory of 2096	2728	msiexec.exe	36
PID 2728 wrote to memory of 2096	2728	msiexec.exe	36
PID 2096 wrote to memory of 1296	2096	MsiExec.exe	37
PID 2096 wrote to memory of 1296	2096	MsiExec.exe	37
PID 2096 wrote to memory of 1296	2096	MsiExec.exe	37
PID 1296 wrote to memory of 2156	1296	down.exe	38
PID 1296 wrote to memory of 2156	1296	down.exe	38
PID 1296 wrote to memory of 2156	1296	down.exe	38
PID 1296 wrote to memory of 3012	1296	down.exe	39
PID 1296 wrote to memory of 3012	1296	down.exe	39
PID 1296 wrote to memory of 3012	1296	down.exe	39
PID 1296 wrote to memory of 3012	1296	down.exe	39

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\msiexec.exe
msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\1f8bd3be8998046f4d49d6a7a2f8e13980de241fdb0c4c8b3c2de467fb425461.msi
1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2128

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 91F1D2DE85C00E8424533CB7B1495CDD C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2720
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 7DFC0347A4E922715274001C998E7D33
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2908
- C:\Windows\system32\MsiExec.exe
  C:\Windows\system32\MsiExec.exe -Embedding B63630FC8124BBA415F8A576A7DC71B7
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2096
- - C:\Users\Admin\8EAA8C46-2C4D-4DA6-9E12-0000B311933C\down.exe
    C:\Users\Admin\8EAA8C46-2C4D-4DA6-9E12-0000B311933C\\down.exe
    3⤵
    - Suspicious use of SetThreadContext
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1296
  - - C:\Users\Admin\8EAA8C46-2C4D-4DA6-9E12-0000B311933C\down.exe
      C:\Users\Admin\8EAA8C46-2C4D-4DA6-9E12-0000B311933C\down.exe /aut
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:2156
  - - C:\Windows\system32\colorcpl.exe
      colorcpl.exe
      4⤵
      PID:3012

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
PID:2576

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000004D0" "00000000000005DC"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2540

C:\Users\Admin\AppData\Local\Temp\{1B0CFB47-31AC-4aad-8F17-CA870D86A408}.exe
"C:\Users\Admin\AppData\Local\Temp\{1B0CFB47-31AC-4aad-8F17-CA870D86A408}.exe" /s "C:\Users\Admin\AppData\Local\Temp\{40481B68-3129-40ed-85C0-E023680B9D96}"
1⤵
- Adds Run key to start application
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2164

C:\Program Files (x86)\LineInstaller\LineInstaller\LineInstaller\LineInst.exe
"C:\Program Files (x86)\LineInstaller\LineInstaller\LineInstaller\LineInst.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2640

C:\Users\Admin\AppData\Local\Temp\{78A85FB4-03B7-4ec5-AB77-CD7617445F26}.exe
"C:\Users\Admin\AppData\Local\Temp\{78A85FB4-03B7-4ec5-AB77-CD7617445F26}.exe" /s "C:\Users\Admin\AppData\Local\Temp\{EC8BB61B-E1A1-4f3e-97F9-4C075DB93B43}"
1⤵
- Adds Run key to start application
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Installer Packages

T1546.016

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Installer Packages

T1546.016

Defense Evasion

Modify Registry

T1112

System Binary Proxy Execution

T1218

Msiexec

T1218.007

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Config.Msi\f76b241.rbs

Filesize
27KB

MD5
663642b97cb8a1d038ec515fe44ecce6

SHA1
6d51dc1fd21c54784d2ff702e3ce8dd5cc1a6ac9

SHA256
d5f78050f948b57f0e4113f9ddd6e5d87853e1c386100eaa015061b1c9943aa5

SHA512
afed8e8a421c3596ea2ee9decb65d39da1933165347ab262eb326ca9d3fa06b6a95e43f6fa45856dbb022ec145e839b4335d6f8d99f2759892e545c19cf7f01d

Download Submit
C:\Program Files (x86)\LineInstaller\LineInstaller\LineInstaller\LineInst.exe

Filesize
1004KB

MD5
587e3bc21efaf428c87331decc9bfeb3

SHA1
a5b8ebeab4e3968673a61a95350b7f0bf60d7459

SHA256
b931c5686cc09b2183bba197dc151b8e95ca6151e39fb98954352340c0b31120

SHA512
ffae2dab5caf16dc7dfd0a97a8ff6349a466bc57ee043d1ac4d53e011498e39b9a855295d10207ba578c6857abebd445d378e83aa2ff6ec247713d81b370d0ca

Download Submit
C:\Users\Admin\8EAA8C46-2C4D-4DA6-9E12-0000B311933C\VCRUNTIME140.dll

Filesize
116KB

MD5
e9b690fbe5c4b96871214379659dd928

SHA1
c199a4beac341abc218257080b741ada0fadecaf

SHA256
a06c9ea4f815dac75d2c99684d433fbfc782010fae887837a03f085a29a217e8

SHA512
00cf9b22af6ebbc20d1b9c22fc4261394b7d98ccad4823abc5ca6fdac537b43a00db5b3829c304a85738be5107927c0761c8276d6cb7f80e90f0a2c991dbcd8c

Download Submit
C:\Users\Admin\8EAA8C46-2C4D-4DA6-9E12-0000B311933C\VCRUNTIME140_1.dll

Filesize
48KB

MD5
eb49c1d33b41eb49dfed58aafa9b9a8f

SHA1
61786eb9f3f996d85a5f5eea4c555093dd0daab6

SHA256
6d3a6cde6fc4d3c79aabf785c04d2736a3e2fd9b0366c9b741f054a13ecd939e

SHA512
d15905a3d7203b00181609f47ce6e4b9591a629f2bf26ff33bf964f320371e06d535912fda13987610b76a85c65c659adac62f6b3176dbca91a01374178cd5c6

Download Submit
C:\Users\Admin\8EAA8C46-2C4D-4DA6-9E12-0000B311933C\aut.png

Filesize
1.3MB

MD5
84e23f7b2db9b51553ea2a8206d70fc8

SHA1
58a3f8f377dbad922e36dfeebc7cc326fa3e7053

SHA256
1e7d360137b895d1be8f15487f5820da68180f92e2d361b8898d0aac657ff5dd

SHA512
4a7a6ea0b76c703dd7e90dfab8e6adc3be9dedbb3a36b2d8286b0d9881989e5e121af94e2ab3f7bb71abe623d8df25a0bd87fab1ff067159af020b2a211aef32

Download Submit
C:\Users\Admin\8EAA8C46-2C4D-4DA6-9E12-0000B311933C\view.png

Filesize
2.5MB

MD5
69ccda333ed744774c9bd50d48b5b060

SHA1
01c3cc0fdded504858852f2424ef5a5d12dc8043

SHA256
d6e4bf8490d85afbe02310eb09d09303cf1b53039f48278e3a6b590a704cef8d

SHA512
2d0ab98544d350cf7f3e75364572410441b98858870607e50f86f242458d9fd376700e869e8f851013cce874e220083ee9f80911bbdc223113459fc693d2eaf5

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegWorkshop.ini

Filesize
387B

MD5
8d66babbc1659fe9602aa55a66573f80

SHA1
69190c99744def73fde9aea61caf34472ce70268

SHA256
7091591d7e9f17d9519a224da331fcdc19cb5c91ea3eb5d4bc31dbca1fbb6125

SHA512
b1c96131b54894ea3a533698299906e5e67bb0471a3cf11e86efb88d3e40da0dfc11d282a85a06aa6ca72ba5e9b0fbf2e019762d13afa43a50a59d7872cc04f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegWorkshop.ini

Filesize
1KB

MD5
4048e3532f62a36e75af9260e56a4448

SHA1
7ed45a8a1709268866b60b34153baf702d503caf

SHA256
ebcc732b5bae155cbd7f4ae6dfc8a5dd7f6866d41062f17dbcd04fa3d493b37d

SHA512
91ad26ac0b287dd9c47961a1b460d67dc5a7cee44adbbf93e722dd2e499e72811663d47434b23f5aeb8c0951af5b610eb0dab977529d77861e97b6996c05f2a0

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegWorkshop.ini

Filesize
2KB

MD5
ff0c7c2667dff4f3ed588f40d047c642

SHA1
1162c83bd0bb0d81b7ab7f616cb012b790aa4adf

SHA256
02af5cb061fd8075e9475c45ab20e86cf2bb4ca9511ddad348645ed5183b9fc7

SHA512
539b1d443232758b6c60a287f2a40200e6e3ba7353f11f18e29ba265c9569a4610e4a80910f79660368a916576ab9c486efa248bf3257e522ef5bfb3d42ef3c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\{1B0CFB47-31AC-4aad-8F17-CA870D86A408}.exe

Filesize
1.0MB

MD5
217dc98e219a340cb09915244c992a52

SHA1
a04f101ca7180955d62e4a1aaeccdcca489209da

SHA256
27c8bd76150ddda5b09d6db11f67269cee2eecac345df67f93aab3e3aaabde7c

SHA512
dddc15992533c8c13000163c7dd59b20e2fbdedbf611338c04f6f9209ec1a95d1f93aaeeae2778890214d333320978f5d2554348722ea6c8489320f0ef1c4c85

Download Submit
C:\Users\Admin\AppData\Local\Temp\{40481B68-3129-40ed-85C0-E023680B9D96}

Filesize
164B

MD5
81a71f6feec26723958f2364a4f1aefe

SHA1
3d4605cfd771aedb8ba51389074a60e5a38775ad

SHA256
f244b12a1e911c84dcfea45a49885cf48307d2ddc4c1ac7c1aa21bc310bebd80

SHA512
84f9f20e3a381f1c3cafce07bdfeffd77e19bf0007245e95a80a97fa71e16d877e12ec8d57e8a9e60d008e08b38c9fd670f5374a058980f019590ed1dafd59c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\{EC8BB61B-E1A1-4f3e-97F9-4C075DB93B43}

Filesize
196B

MD5
a026824a0e6f02a8f269f647000bdd8b

SHA1
33ba17892b34c6faf1137d8710ca59e1fdd53229

SHA256
6ba0e265dfd84ec67bf13836e85d45cdc4216a6d57b1ad9d3267402fa2134ff7

SHA512
c6713bc460486681fe4325d9d2f48fde49919006d7cd0ab46a62ebfa572a3eda578d7748cc1ddc62b28e7e7291ff020fbcce5cbb28663000bb2e9e9e433275f7

Download Submit
C:\Windows\Installer\MSIB898.tmp

Filesize
25KB

MD5
81902d13c01fd8a187f3a7f2b72d5dd0

SHA1
0ac01518c5588eb2788730c78f0c581f79cf2ed4

SHA256
eef31e9195cfacde7b4e7eb7384c8178d8811063b375fd4a28ae897cc180c6a6

SHA512
04d6e2e937328477803084e0ef9da2c3636cdc9d34af74e2d1871d7190be21cbb2771ae835175e104e24eccba52add1ba6f58407bfd522ef82b81d76e977f24c

Download Submit
C:\users\public\documents\all.zip

Filesize
2.2MB

MD5
f41beb301154b0d589cb8333a0cdb03c

SHA1
21d5506b72362027e208825d887da5ac56dc5382

SHA256
567c9cd73239ebc8b2de7b5dffc47abaa8331d4477ee79ba6db7d1db48ac668d

SHA512
284418382e142c7e0b091d8a8e3371d3cb8e145c186e3a67a189581e081f8e7cad7d02ac417d3db9cf8ed475b73ac8782ab05ed499d9b3c89f8061016ab7a1fc

Download Submit
\Users\Admin\8EAA8C46-2C4D-4DA6-9E12-0000B311933C\MSVCP140.dll

Filesize
613KB

MD5
c1b066f9e3e2f3a6785161a8c7e0346a

SHA1
8b3b943e79c40bc81fdac1e038a276d034bbe812

SHA256
99e3e25cda404283fbd96b25b7683a8d213e7954674adefa2279123a8d0701fd

SHA512
36f9e6c86afbd80375295238b67e4f472eb86fcb84a590d8dba928d4e7a502d4f903971827fdc331353e5b3d06616664450759432fdc8d304a56e7dacb84b728

Download Submit
\Users\Admin\8EAA8C46-2C4D-4DA6-9E12-0000B311933C\down.exe

Filesize
485KB

MD5
6cc1f95584aaac98297fa906248af081

SHA1
641c2c14a994768b6b4b6812dfb4df671af0887d

SHA256
5d19450428b7fcda6100ea2c564e576141de595d41aa1508512d0bf4be9f7de6

SHA512
0c4f4bc39c22f7b01fbfcf396f134ab9d4901a730980c7cbb0af22855b9af88b0fa6d23797dcbecf53c75e98d4e97b274124a1ce11963e75323d149d81eb147b

Download Submit
\Users\Admin\AppData\Local\Temp\MSI86DC.tmp

Filesize
557KB

MD5
db7612f0fd6408d664185cfc81bef0cb

SHA1
19a6334ec00365b4f4e57d387ed885b32aa7c9aa

SHA256
e9e426b679b3efb233f03c696e997e2da3402f16a321e954b54454317fceb240

SHA512
25e129cb22aaabc68c42ecf10bb650ac4d0609b12c08703c780572bac7ecf4559fcc49cd595c56ea48cf55260a984cfa333c08307ffb7c62268b03fbecc724b9

Download Submit
memory/2096-50-0x0000000002690000-0x0000000003690000-memory.dmp

Filesize
16.0MB

Download
memory/2156-92-0x00000000001A0000-0x00000000001B0000-memory.dmp

Filesize
64KB

Download
memory/2720-241-0x00000000001F0000-0x00000000001F2000-memory.dmp

Filesize
8KB

Download
memory/3012-83-0x00000000001A0000-0x000000000047D000-memory.dmp

Filesize
2.9MB

Download
memory/3012-81-0x00000000001A0000-0x000000000047D000-memory.dmp

Filesize
2.9MB

Download