c39abdca1a31b20fe06969a36102c784df7f63847ec930dfaf8c4bd97b4558bf

General

Target

merd.msi
Size

2.0MB
MD5

309abcad11b67d2498cf87c4e10ff30f
SHA1

0d805a684b889846a7b00cecc0ee84c7cf93398d
SHA256

c39abdca1a31b20fe06969a36102c784df7f63847ec930dfaf8c4bd97b4558bf
SHA512

0f0c0f4a04ae65532a7f4c197ca22c371d904a5b3055e14bd537a3c092d8b4526a597564019395ed0b05d4ffbc6d9b450a8d267de3906f88ac2d320f9c75bdd9
SSDEEP

49152:ecS3YhW8zBQSc0ZnSKBZKumZr7AQkojSo0kzI8ZVE6VPbe:sYY0Zn3K/AQz3Tbx56

Score

8^/10

discovery persistence privilege_escalation

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

Processes:

rundll32.exe

flow pid process

5 316 rundll32.exe
7 316 rundll32.exe
9 316 rundll32.exe
21 316 rundll32.exe

flow	pid	process
5	316	rundll32.exe
7	316	rundll32.exe
9	316	rundll32.exe
21	316	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

Processes:

msiexec.exemsiexec.exe

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

Drops file in Windows directory 13 IoCs

Processes:

DrvInst.exemsiexec.exe

description	ioc	process
File opened for modification	C:\Windows\INF\setupapi.ev1	DrvInst.exe
File opened for modification	C:\Windows\Installer\MSIF528.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF856.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF897.tmp	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF6DF.tmp	msiexec.exe
File created	C:\Windows\Installer\f76f4ae.ipi	msiexec.exe
File opened for modification	C:\Windows\Installer\f76f4ae.ipi	msiexec.exe
File opened for modification	C:\Windows\INF\setupapi.ev3	DrvInst.exe
File opened for modification	C:\Windows\INF\setupapi.dev.log	DrvInst.exe
File created	C:\Windows\Installer\f76f4ab.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\f76f4ab.msi	msiexec.exe
File opened for modification	C:\Windows\Installer\MSIF661.tmp	msiexec.exe

Executes dropped EXE 1 IoCs

Processes:

MSIF897.tmp

pid process

856 MSIF897.tmp

pid	process
856	MSIF897.tmp

Loads dropped DLL 11 IoCs

Processes:

MsiExec.exerundll32.exerundll32.exe

pid	process
2056	MsiExec.exe
2056	MsiExec.exe
2056	MsiExec.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
316	rundll32.exe
316	rundll32.exe
316	rundll32.exe
316	rundll32.exe

Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
persistence privilege_escalation

Installer Packages
T1546.016

Msiexec
T1218.007

Processes:

msiexec.exe

pid process

2480 msiexec.exe

pid	process
2480	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

Processes:

MsiExec.exeMSIF897.tmprundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MsiExec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSIF897.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies data under HKEY_USERS 43 IoCs

Processes:

DrvInst.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	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\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\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\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	DrvInst.exe
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\Disallowed\CRLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\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\Disallowed\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	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\Disallowed	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	DrvInst.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	DrvInst.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

rundll32.exe

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

msiexec.exerundll32.exe

pid process

2260 msiexec.exe
2260 msiexec.exe
316 rundll32.exe
316 rundll32.exe

pid	process
2260	msiexec.exe
2260	msiexec.exe
316	rundll32.exe
316	rundll32.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

msiexec.exemsiexec.exevssvc.exeDrvInst.exe

description	pid	process
Token: SeShutdownPrivilege	2480	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2480	msiexec.exe
Token: SeRestorePrivilege	2260	msiexec.exe
Token: SeTakeOwnershipPrivilege	2260	msiexec.exe
Token: SeSecurityPrivilege	2260	msiexec.exe
Token: SeCreateTokenPrivilege	2480	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2480	msiexec.exe
Token: SeLockMemoryPrivilege	2480	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2480	msiexec.exe
Token: SeMachineAccountPrivilege	2480	msiexec.exe
Token: SeTcbPrivilege	2480	msiexec.exe
Token: SeSecurityPrivilege	2480	msiexec.exe
Token: SeTakeOwnershipPrivilege	2480	msiexec.exe
Token: SeLoadDriverPrivilege	2480	msiexec.exe
Token: SeSystemProfilePrivilege	2480	msiexec.exe
Token: SeSystemtimePrivilege	2480	msiexec.exe
Token: SeProfSingleProcessPrivilege	2480	msiexec.exe
Token: SeIncBasePriorityPrivilege	2480	msiexec.exe
Token: SeCreatePagefilePrivilege	2480	msiexec.exe
Token: SeCreatePermanentPrivilege	2480	msiexec.exe
Token: SeBackupPrivilege	2480	msiexec.exe
Token: SeRestorePrivilege	2480	msiexec.exe
Token: SeShutdownPrivilege	2480	msiexec.exe
Token: SeDebugPrivilege	2480	msiexec.exe
Token: SeAuditPrivilege	2480	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2480	msiexec.exe
Token: SeChangeNotifyPrivilege	2480	msiexec.exe
Token: SeRemoteShutdownPrivilege	2480	msiexec.exe
Token: SeUndockPrivilege	2480	msiexec.exe
Token: SeSyncAgentPrivilege	2480	msiexec.exe
Token: SeEnableDelegationPrivilege	2480	msiexec.exe
Token: SeManageVolumePrivilege	2480	msiexec.exe
Token: SeImpersonatePrivilege	2480	msiexec.exe
Token: SeCreateGlobalPrivilege	2480	msiexec.exe
Token: SeBackupPrivilege	2340	vssvc.exe
Token: SeRestorePrivilege	2340	vssvc.exe
Token: SeAuditPrivilege	2340	vssvc.exe
Token: SeBackupPrivilege	2260	msiexec.exe
Token: SeRestorePrivilege	2260	msiexec.exe
Token: SeRestorePrivilege	2844	DrvInst.exe
Token: SeRestorePrivilege	2844	DrvInst.exe
Token: SeRestorePrivilege	2844	DrvInst.exe
Token: SeRestorePrivilege	2844	DrvInst.exe
Token: SeRestorePrivilege	2844	DrvInst.exe
Token: SeRestorePrivilege	2844	DrvInst.exe
Token: SeRestorePrivilege	2844	DrvInst.exe
Token: SeLoadDriverPrivilege	2844	DrvInst.exe
Token: SeLoadDriverPrivilege	2844	DrvInst.exe
Token: SeLoadDriverPrivilege	2844	DrvInst.exe
Token: SeRestorePrivilege	2260	msiexec.exe
Token: SeTakeOwnershipPrivilege	2260	msiexec.exe
Token: SeRestorePrivilege	2260	msiexec.exe
Token: SeTakeOwnershipPrivilege	2260	msiexec.exe
Token: SeRestorePrivilege	2260	msiexec.exe
Token: SeTakeOwnershipPrivilege	2260	msiexec.exe
Token: SeRestorePrivilege	2260	msiexec.exe
Token: SeTakeOwnershipPrivilege	2260	msiexec.exe
Token: SeRestorePrivilege	2260	msiexec.exe
Token: SeTakeOwnershipPrivilege	2260	msiexec.exe
Token: SeRestorePrivilege	2260	msiexec.exe
Token: SeTakeOwnershipPrivilege	2260	msiexec.exe
Token: SeRestorePrivilege	2260	msiexec.exe
Token: SeTakeOwnershipPrivilege	2260	msiexec.exe
Token: SeRestorePrivilege	2260	msiexec.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

msiexec.exe

pid process

2480 msiexec.exe
2480 msiexec.exe

pid	process
2480	msiexec.exe
2480	msiexec.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

msiexec.exerundll32.exe

description	pid	process	target process
PID 2260 wrote to memory of 2056	2260	msiexec.exe	MsiExec.exe
PID 2260 wrote to memory of 2056	2260	msiexec.exe	MsiExec.exe
PID 2260 wrote to memory of 2056	2260	msiexec.exe	MsiExec.exe
PID 2260 wrote to memory of 2056	2260	msiexec.exe	MsiExec.exe
PID 2260 wrote to memory of 2056	2260	msiexec.exe	MsiExec.exe
PID 2260 wrote to memory of 2056	2260	msiexec.exe	MsiExec.exe
PID 2260 wrote to memory of 2056	2260	msiexec.exe	MsiExec.exe
PID 2260 wrote to memory of 856	2260	msiexec.exe	MSIF897.tmp
PID 2260 wrote to memory of 856	2260	msiexec.exe	MSIF897.tmp
PID 2260 wrote to memory of 856	2260	msiexec.exe	MSIF897.tmp
PID 2260 wrote to memory of 856	2260	msiexec.exe	MSIF897.tmp
PID 2260 wrote to memory of 856	2260	msiexec.exe	MSIF897.tmp
PID 2260 wrote to memory of 856	2260	msiexec.exe	MSIF897.tmp
PID 2260 wrote to memory of 856	2260	msiexec.exe	MSIF897.tmp
PID 1816 wrote to memory of 316	1816	rundll32.exe	rundll32.exe
PID 1816 wrote to memory of 316	1816	rundll32.exe	rundll32.exe
PID 1816 wrote to memory of 316	1816	rundll32.exe	rundll32.exe
PID 1816 wrote to memory of 316	1816	rundll32.exe	rundll32.exe

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\merd.msi
1⤵
- Enumerates connected drives
- Event Triggered Execution: Installer Packages
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2480

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:2260
- C:\Windows\syswow64\MsiExec.exe
  C:\Windows\syswow64\MsiExec.exe -Embedding E9D7F4FC380034A7B2A7F55F4E71893C
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2056
- C:\Windows\Installer\MSIF897.tmp
  "C:\Windows\Installer\MSIF897.tmp" /DontWait C:/Windows/SysWOW64/rundll32.exe C:\Users\Admin\AppData\Roaming\sqx.dll, GetDbInterface
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:856

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2340

C:\Windows\system32\DrvInst.exe
DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003B4" "00000000000005B4"
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2844

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe" C:\Users\Admin\AppData\Roaming\sqx.dll, GetDbInterface
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1816
- C:\Windows\system32\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.exe" C:\Users\Admin\AppData\Roaming\sqx.dll, GetDbInterface
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  PID:316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Installer Packages

1

T1546.016

Privilege Escalation

Event Triggered Execution

1

T1546

Installer Packages

1

T1546.016

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

System Binary Proxy Execution

1

T1218

Msiexec

1

T1218.007

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Config.Msi\f76f4af.rbs

Filesize
1KB

MD5
dca47a3149d127819db08499eae291a1

SHA1
af4de5ee26d10349237ee63c147e95e7a7f45f94

SHA256
c7e5d4062fbab43ccd990a73f26953d4f6c6a94e0c2d7d2e808b7a023fe2733a

SHA512
21c58b4200e964c2ffaedb50543a5c73ac70f5a1282254b066118e92873dd12b242ef4ef7e4e76631dcfb4c13b43acd810725a36c5e88e71c85776c42763f53f

Download Submit
C:\Windows\Installer\MSIF897.tmp

Filesize
389KB

MD5
b9545ed17695a32face8c3408a6a3553

SHA1
f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83

SHA256
1e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a

SHA512
f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04

Download Submit
\Users\Admin\AppData\Roaming\sqx.dll

Filesize
1.3MB

MD5
dd862590d9e4ea1791df147912ae4c8f

SHA1
852d7a9ea4db5ff4cd51a92447a8d5701cfb322b

SHA256
14ffcbbfb305287ea15264df3363567f36a26917ae2018af0f40e2009b8a7184

SHA512
3e9222d8bd91d3e53f5e378318a78a7c5aa12011272031f7c0d8c36c5b255db1d0a168cc02e1159eb021dd18206352dd6dcb857fefc2222937c467350dc6d568

Download Submit
\Windows\Installer\MSIF528.tmp

Filesize
436KB

MD5
475d20c0ea477a35660e3f67ecf0a1df

SHA1
67340739f51e1134ae8f0ffc5ae9dd710e8e3a08

SHA256
426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd

SHA512
99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e

Download Submit
memory/316-48-0x0000000001EB0000-0x0000000001EFC000-memory.dmp

Filesize
304KB

Download
memory/316-70-0x0000000001EB0000-0x0000000001EFC000-memory.dmp

Filesize
304KB

Download
memory/856-38-0x00000000001A0000-0x00000000001A2000-memory.dmp

Filesize
8KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads