bruteratel | d71bfab9cca5df6a28e12ba51fe5eaf0f9151514b3fd363264513347a8c5cf3a

Analysis

max time kernel
1800s
max time network
1799s
platform
windows7_x64
resource
win7-20231129-en
submitted
27-06-2024 18:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

neuro.msi
Size

1.8MB
MD5

3645512add0c8cb24a88d2ffe3fe7620
SHA1

66dbfe6ffc1918f51b28af1abf55df0d1beaefe6
SHA256

d71bfab9cca5df6a28e12ba51fe5eaf0f9151514b3fd363264513347a8c5cf3a
SHA512

85151258ccb3b590716aed87c4a6a24ba74931aab0b378e279d9ab510fce94dfd26632d8ba44975e8136b1a9cc6c190e64c8b223f5f5e4f5b9cb3c6fb4a9429c
SSDEEP

49152:/YM3YuW8zBQSc0ZnSKYZKumZr7AH6odeQCC:bY90ZniK/AHHdvCC

Score

10^/10

bruteratel backdoor discovery persistence privilege_escalation

Malware Config

Signatures

Brute Ratel C4
A customized command and control framework for red teaming and adversary simulation.
backdoor bruteratel
Bruteratel family
bruteratel

Detect BruteRatel badger 3 IoCs

resource	yara_rule
behavioral1/memory/768-43-0x000000033A710000-0x000000033A75A000-memory.dmp	family_bruteratel
behavioral1/memory/768-46-0x000000033A710000-0x000000033A75A000-memory.dmp	family_bruteratel
behavioral1/memory/768-56-0x000000033A710000-0x000000033A75A000-memory.dmp	family_bruteratel

Blocklisted process makes network request 48 IoCs

flow	pid	Process
4	768	rundll32.exe
7	768	rundll32.exe
9	768	rundll32.exe
11	768	rundll32.exe
13	768	rundll32.exe
14	768	rundll32.exe
15	768	rundll32.exe
16	768	rundll32.exe
17	768	rundll32.exe
18	768	rundll32.exe
19	768	rundll32.exe
20	768	rundll32.exe
22	768	rundll32.exe
24	768	rundll32.exe
25	768	rundll32.exe
26	768	rundll32.exe
27	768	rundll32.exe
28	768	rundll32.exe
29	768	rundll32.exe
30	768	rundll32.exe
31	768	rundll32.exe
32	768	rundll32.exe
33	768	rundll32.exe
34	768	rundll32.exe
35	768	rundll32.exe
36	768	rundll32.exe
37	768	rundll32.exe
38	768	rundll32.exe
39	768	rundll32.exe
40	768	rundll32.exe
41	768	rundll32.exe
42	768	rundll32.exe
43	768	rundll32.exe
44	768	rundll32.exe
45	768	rundll32.exe
46	768	rundll32.exe
51	768	rundll32.exe
52	768	rundll32.exe
53	768	rundll32.exe
54	768	rundll32.exe
55	768	rundll32.exe
56	768	rundll32.exe
57	768	rundll32.exe
58	768	rundll32.exe
59	768	rundll32.exe
60	768	rundll32.exe
61	768	rundll32.exe
62	768	rundll32.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)	\??\K:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\T:	msiexec.exe
File opened (read-only)	\??\Y:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\J:	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)	\??\L:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\L:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\Z:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\N:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\U:	msiexec.exe
File opened (read-only)	\??\Q:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\O:	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)	\??\R:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\A:	msiexec.exe
File opened (read-only)	\??\M:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\B:	msiexec.exe
File opened (read-only)	\??\E:	msiexec.exe

Drops file in Windows directory 10 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Installer\f76227e.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI2369.tmp	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe
File created	C:\Windows\Installer\f76227e.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI22CC.tmp	msiexec.exe
File created	C:\Windows\Installer\f76227f.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSI23B9.tmp	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.ev1	DrvInst.exe

Executes dropped EXE 1 IoCs

pid	Process
2792	MSI23B9.tmp

Loads dropped DLL 10 IoCs

pid	Process
2776	MsiExec.exe
2776	MsiExec.exe
2776	MsiExec.exe
2776	MsiExec.exe
2776	MsiExec.exe
1988	MsiExec.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe

Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs

persistence privilege_escalation

Installer Packages

T1546.016

Msiexec

T1218.007

pid	Process
1216	msiexec.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSI23B9.tmp

Modifies data under HKEY_USERS 43 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\Microsoft\SystemCertificates\Root	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	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\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	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\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\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\Policies\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	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\Microsoft\SystemCertificates\SmartCardRoot\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	rundll32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
3000	msiexec.exe
3000	msiexec.exe
2792	MSI23B9.tmp
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe
768	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1216	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1216	msiexec.exe
Token: SeRestorePrivilege	3000	msiexec.exe
Token: SeTakeOwnershipPrivilege	3000	msiexec.exe
Token: SeSecurityPrivilege	3000	msiexec.exe
Token: SeCreateTokenPrivilege	1216	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1216	msiexec.exe
Token: SeLockMemoryPrivilege	1216	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1216	msiexec.exe
Token: SeMachineAccountPrivilege	1216	msiexec.exe
Token: SeTcbPrivilege	1216	msiexec.exe
Token: SeSecurityPrivilege	1216	msiexec.exe
Token: SeTakeOwnershipPrivilege	1216	msiexec.exe
Token: SeLoadDriverPrivilege	1216	msiexec.exe
Token: SeSystemProfilePrivilege	1216	msiexec.exe
Token: SeSystemtimePrivilege	1216	msiexec.exe
Token: SeProfSingleProcessPrivilege	1216	msiexec.exe
Token: SeIncBasePriorityPrivilege	1216	msiexec.exe
Token: SeCreatePagefilePrivilege	1216	msiexec.exe
Token: SeCreatePermanentPrivilege	1216	msiexec.exe
Token: SeBackupPrivilege	1216	msiexec.exe
Token: SeRestorePrivilege	1216	msiexec.exe
Token: SeShutdownPrivilege	1216	msiexec.exe
Token: SeDebugPrivilege	1216	msiexec.exe
Token: SeAuditPrivilege	1216	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1216	msiexec.exe
Token: SeChangeNotifyPrivilege	1216	msiexec.exe
Token: SeRemoteShutdownPrivilege	1216	msiexec.exe
Token: SeUndockPrivilege	1216	msiexec.exe
Token: SeSyncAgentPrivilege	1216	msiexec.exe
Token: SeEnableDelegationPrivilege	1216	msiexec.exe
Token: SeManageVolumePrivilege	1216	msiexec.exe
Token: SeImpersonatePrivilege	1216	msiexec.exe
Token: SeCreateGlobalPrivilege	1216	msiexec.exe
Token: SeCreateTokenPrivilege	1216	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1216	msiexec.exe
Token: SeLockMemoryPrivilege	1216	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1216	msiexec.exe
Token: SeMachineAccountPrivilege	1216	msiexec.exe
Token: SeTcbPrivilege	1216	msiexec.exe
Token: SeSecurityPrivilege	1216	msiexec.exe
Token: SeTakeOwnershipPrivilege	1216	msiexec.exe
Token: SeLoadDriverPrivilege	1216	msiexec.exe
Token: SeSystemProfilePrivilege	1216	msiexec.exe
Token: SeSystemtimePrivilege	1216	msiexec.exe
Token: SeProfSingleProcessPrivilege	1216	msiexec.exe
Token: SeIncBasePriorityPrivilege	1216	msiexec.exe
Token: SeCreatePagefilePrivilege	1216	msiexec.exe
Token: SeCreatePermanentPrivilege	1216	msiexec.exe
Token: SeBackupPrivilege	1216	msiexec.exe
Token: SeRestorePrivilege	1216	msiexec.exe
Token: SeShutdownPrivilege	1216	msiexec.exe
Token: SeDebugPrivilege	1216	msiexec.exe
Token: SeAuditPrivilege	1216	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1216	msiexec.exe
Token: SeChangeNotifyPrivilege	1216	msiexec.exe
Token: SeRemoteShutdownPrivilege	1216	msiexec.exe
Token: SeUndockPrivilege	1216	msiexec.exe
Token: SeSyncAgentPrivilege	1216	msiexec.exe
Token: SeEnableDelegationPrivilege	1216	msiexec.exe
Token: SeManageVolumePrivilege	1216	msiexec.exe
Token: SeImpersonatePrivilege	1216	msiexec.exe
Token: SeCreateGlobalPrivilege	1216	msiexec.exe
Token: SeCreateTokenPrivilege	1216	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1216	msiexec.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2776	3000	msiexec.exe	29
PID 3000 wrote to memory of 2776	3000	msiexec.exe	29
PID 3000 wrote to memory of 2776	3000	msiexec.exe	29
PID 3000 wrote to memory of 2776	3000	msiexec.exe	29
PID 3000 wrote to memory of 2776	3000	msiexec.exe	29
PID 3000 wrote to memory of 2776	3000	msiexec.exe	29
PID 3000 wrote to memory of 2776	3000	msiexec.exe	29
PID 3000 wrote to memory of 1988	3000	msiexec.exe	33
PID 3000 wrote to memory of 1988	3000	msiexec.exe	33
PID 3000 wrote to memory of 1988	3000	msiexec.exe	33
PID 3000 wrote to memory of 1988	3000	msiexec.exe	33
PID 3000 wrote to memory of 1988	3000	msiexec.exe	33
PID 3000 wrote to memory of 1988	3000	msiexec.exe	33
PID 3000 wrote to memory of 1988	3000	msiexec.exe	33
PID 3000 wrote to memory of 2792	3000	msiexec.exe	34
PID 3000 wrote to memory of 2792	3000	msiexec.exe	34
PID 3000 wrote to memory of 2792	3000	msiexec.exe	34
PID 3000 wrote to memory of 2792	3000	msiexec.exe	34
PID 3000 wrote to memory of 2792	3000	msiexec.exe	34
PID 3000 wrote to memory of 2792	3000	msiexec.exe	34
PID 3000 wrote to memory of 2792	3000	msiexec.exe	34

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\neuro.msi
1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1216

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 7D5CE9594663E981A7245EA72E0FB262 C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding 56D071D9031520425124CFC79FA832AD
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1988
- C:\Windows\Installer\MSI23B9.tmp
  "C:\Windows\Installer\MSI23B9.tmp" C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Roaming\capisp.dll, remi
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2792

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
PID:2092

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005B8" "0000000000000574"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2960

C:\Windows\System32\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\capisp.dll, remi
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:768

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Installer Packages

T1546.016

Privilege Escalation

Event Triggered Execution

T1546

Installer Packages

T1546.016

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\MSI5AC.tmp

Filesize
436KB

MD5
475d20c0ea477a35660e3f67ecf0a1df

SHA1
67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

SHA256
426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

SHA512
99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

Download Submit
C:\Users\Admin\AppData\Roaming\capisp.dll

Filesize
1.2MB

MD5
70b599f67e97cb878ca7be88e069a82d

SHA1
768f8a179fee1f13505c7b772e543b19b29b14c8

SHA256
9b7bdb4cb71e84c5cff0923928bf7777a41cb5e0691810ae948304c151c0c1c5

SHA512
163c8e0b2676a27f1781e9fdec3c9994ba828c0085b9fdff9df4dd0112da122a5d7f6ca597af396f99c2afadbe438e1ab967dfba34451ee4ba3c59cd244b4985

Download Submit
C:\Windows\Installer\MSI23B9.tmp

Filesize
389KB

MD5
b9545ed17695a32face8c3408a6a3553

SHA1
f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83

SHA256
1e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a

SHA512
f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04

Download Submit
memory/768-44-0x0000000001DE0000-0x0000000001E1E000-memory.dmp

Filesize
248KB

Download
memory/768-43-0x000000033A710000-0x000000033A75A000-memory.dmp

Filesize
296KB

Download
memory/768-46-0x000000033A710000-0x000000033A75A000-memory.dmp

Filesize
296KB

Download
memory/768-47-0x0000000002070000-0x00000000020BC000-memory.dmp

Filesize
304KB

Download
memory/768-56-0x000000033A710000-0x000000033A75A000-memory.dmp

Filesize
296KB

Download
memory/768-63-0x0000000002070000-0x00000000020BC000-memory.dmp

Filesize
304KB

Download
memory/768-64-0x0000000180000000-0x000000018013A000-memory.dmp

Filesize
1.2MB

Download
memory/2792-37-0x0000000000340000-0x0000000000342000-memory.dmp

Filesize
8KB

Download