44c83920cd46576bc9b38d85b8476f3eb5c085a276b88f39abbe0a36f616ab5f

Analysis

max time kernel
192s
max time network
209s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2023 15:47

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General

Target

0442cf3148608ea595d114e7d93bec67.exe
Size

390KB
MD5

0442cf3148608ea595d114e7d93bec67
SHA1

092d220633f3ae3d947dc3ba4cbf1059715f7af7
SHA256

44c83920cd46576bc9b38d85b8476f3eb5c085a276b88f39abbe0a36f616ab5f
SHA512

6d87db7a1856a79de62c515fb1b07dbaf35e3e7a91537faf171fbe1e37d915e9ad4f6e9d04ef24c0d487312ad05a1d6ddcf18a45db61eea8188690e32f876ef9
SSDEEP

6144:tTfFDbRnOTrt5Jo+I7lATO2ucOKewAEXeVOCVfx/KcqWj6aia0ktbhoZhh+v2rfd:D5OKHBUnjecXCOqflEc6q0kvoZ6v2rfd

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	0442cf3148608ea595d114e7d93bec67.exe

Enumerates connected drives 3 TTPs 23 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)	\??\L:	msiexec.exe
File opened (read-only)	\??\R:	msiexec.exe
File opened (read-only)	\??\S:	msiexec.exe
File opened (read-only)	\??\V:	msiexec.exe
File opened (read-only)	\??\X:	msiexec.exe
File opened (read-only)	\??\H:	msiexec.exe
File opened (read-only)	\??\J:	msiexec.exe
File opened (read-only)	\??\G:	msiexec.exe
File opened (read-only)	\??\K:	msiexec.exe
File opened (read-only)	\??\P:	msiexec.exe
File opened (read-only)	\??\W:	msiexec.exe
File opened (read-only)	\??\Y:	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)	\??\A:	msiexec.exe
File opened (read-only)	\??\I:	msiexec.exe
File opened (read-only)	\??\Q:	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)	\??\M:	msiexec.exe
File opened (read-only)	\??\O:	msiexec.exe

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

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 5 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters	vssvc.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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	vssvc.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	vssvc.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000_Classes\Local Settings	0442cf3148608ea595d114e7d93bec67.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4904	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4904	msiexec.exe
Token: SeSecurityPrivilege	3356	msiexec.exe
Token: SeCreateTokenPrivilege	4904	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	4904	msiexec.exe
Token: SeLockMemoryPrivilege	4904	msiexec.exe
Token: SeIncreaseQuotaPrivilege	4904	msiexec.exe
Token: SeMachineAccountPrivilege	4904	msiexec.exe
Token: SeTcbPrivilege	4904	msiexec.exe
Token: SeSecurityPrivilege	4904	msiexec.exe
Token: SeTakeOwnershipPrivilege	4904	msiexec.exe
Token: SeLoadDriverPrivilege	4904	msiexec.exe
Token: SeSystemProfilePrivilege	4904	msiexec.exe
Token: SeSystemtimePrivilege	4904	msiexec.exe
Token: SeProfSingleProcessPrivilege	4904	msiexec.exe
Token: SeIncBasePriorityPrivilege	4904	msiexec.exe
Token: SeCreatePagefilePrivilege	4904	msiexec.exe
Token: SeCreatePermanentPrivilege	4904	msiexec.exe
Token: SeBackupPrivilege	4904	msiexec.exe
Token: SeRestorePrivilege	4904	msiexec.exe
Token: SeShutdownPrivilege	4904	msiexec.exe
Token: SeDebugPrivilege	4904	msiexec.exe
Token: SeAuditPrivilege	4904	msiexec.exe
Token: SeSystemEnvironmentPrivilege	4904	msiexec.exe
Token: SeChangeNotifyPrivilege	4904	msiexec.exe
Token: SeRemoteShutdownPrivilege	4904	msiexec.exe
Token: SeUndockPrivilege	4904	msiexec.exe
Token: SeSyncAgentPrivilege	4904	msiexec.exe
Token: SeEnableDelegationPrivilege	4904	msiexec.exe
Token: SeManageVolumePrivilege	4904	msiexec.exe
Token: SeImpersonatePrivilege	4904	msiexec.exe
Token: SeCreateGlobalPrivilege	4904	msiexec.exe
Token: SeBackupPrivilege	208	vssvc.exe
Token: SeRestorePrivilege	208	vssvc.exe
Token: SeAuditPrivilege	208	vssvc.exe
Token: SeBackupPrivilege	3356	msiexec.exe
Token: SeRestorePrivilege	3356	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4904	msiexec.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 4904	2520	0442cf3148608ea595d114e7d93bec67.exe	91
PID 2520 wrote to memory of 4904	2520	0442cf3148608ea595d114e7d93bec67.exe	91
PID 2520 wrote to memory of 4904	2520	0442cf3148608ea595d114e7d93bec67.exe	91

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

C:\Users\Admin\AppData\Local\Temp\0442cf3148608ea595d114e7d93bec67.exe
"C:\Users\Admin\AppData\Local\Temp\0442cf3148608ea595d114e7d93bec67.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\RarSFX0\setup.msi"
  2⤵
  - Enumerates connected drives
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:4904

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3356

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\setup.msi

Filesize
422KB

MD5
76d6d0cbd3f0eda8a25c3511303af7c1

SHA1
4a46b5f114f34a12e66c34080bb52720205752fc

SHA256
5ff9ba3cc14fb8d8c6204a88bb7a5c8974c5a2c375358e6a924b445a0e9b33b7

SHA512
a78165415483752b5b7ae9161e282780ec54707a13f65d7b1ef1f8df41267ebe8e01c5512ab6be22be5762fbcaf964fd7cfd4a976745222d0310a5843a87aee6

Download Submit
memory/2520-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2520-9-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads