6275b51454ddddba706e761430bba9f756503bdc34d63649451a9f020a2afc1e

Analysis

max time kernel
198s
max time network
200s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2023, 14:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

SETUP.bat
Size

192B
MD5

4200cecaf0d0d6838e48b87f78c90c19
SHA1

9ac646870d4047e34d72ea244d003397bb4e54be
SHA256

1c684469f8230b75ca0c8e6d1ed39bfdbe22d7259e7c992986f9f3897bf91c05
SHA512

1f363479d82e6d9f1f8e068aff25043f8af44027a49c337f788ead27329e510c9e8bed755d5a7cb484be3fcfcfeb986481e82d68cc4689fd92f79c7df22169e0

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	vcredist_x86.exe

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

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2760	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2760	msiexec.exe
Token: SeSecurityPrivilege	1228	msiexec.exe
Token: SeCreateTokenPrivilege	2760	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	2760	msiexec.exe
Token: SeLockMemoryPrivilege	2760	msiexec.exe
Token: SeIncreaseQuotaPrivilege	2760	msiexec.exe
Token: SeMachineAccountPrivilege	2760	msiexec.exe
Token: SeTcbPrivilege	2760	msiexec.exe
Token: SeSecurityPrivilege	2760	msiexec.exe
Token: SeTakeOwnershipPrivilege	2760	msiexec.exe
Token: SeLoadDriverPrivilege	2760	msiexec.exe
Token: SeSystemProfilePrivilege	2760	msiexec.exe
Token: SeSystemtimePrivilege	2760	msiexec.exe
Token: SeProfSingleProcessPrivilege	2760	msiexec.exe
Token: SeIncBasePriorityPrivilege	2760	msiexec.exe
Token: SeCreatePagefilePrivilege	2760	msiexec.exe
Token: SeCreatePermanentPrivilege	2760	msiexec.exe
Token: SeBackupPrivilege	2760	msiexec.exe
Token: SeRestorePrivilege	2760	msiexec.exe
Token: SeShutdownPrivilege	2760	msiexec.exe
Token: SeDebugPrivilege	2760	msiexec.exe
Token: SeAuditPrivilege	2760	msiexec.exe
Token: SeSystemEnvironmentPrivilege	2760	msiexec.exe
Token: SeChangeNotifyPrivilege	2760	msiexec.exe
Token: SeRemoteShutdownPrivilege	2760	msiexec.exe
Token: SeUndockPrivilege	2760	msiexec.exe
Token: SeSyncAgentPrivilege	2760	msiexec.exe
Token: SeEnableDelegationPrivilege	2760	msiexec.exe
Token: SeManageVolumePrivilege	2760	msiexec.exe
Token: SeImpersonatePrivilege	2760	msiexec.exe
Token: SeCreateGlobalPrivilege	2760	msiexec.exe
Token: SeBackupPrivilege	3032	vssvc.exe
Token: SeRestorePrivilege	3032	vssvc.exe
Token: SeAuditPrivilege	3032	vssvc.exe
Token: SeBackupPrivilege	1228	msiexec.exe
Token: SeRestorePrivilege	1228	msiexec.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2760	msiexec.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 4712	4920	cmd.exe	88
PID 4920 wrote to memory of 4712	4920	cmd.exe	88
PID 4920 wrote to memory of 4712	4920	cmd.exe	88
PID 4712 wrote to memory of 2760	4712	vcredist_x86.exe	91
PID 4712 wrote to memory of 2760	4712	vcredist_x86.exe	91
PID 4712 wrote to memory of 2760	4712	vcredist_x86.exe	91

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

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\SETUP.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Users\Admin\AppData\Local\Temp\vcredist_x86.exe
  vcredist_x86.exe /q:a /c:"msiexec /i vcredist.msi /qb!"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4712
- - C:\Windows\SysWOW64\msiexec.exe
    msiexec /i vcredist.msi /qb!
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    PID:2760

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1228

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Checks SCSI registry key(s)
- Suspicious use of AdjustPrivilegeToken
PID:3032

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vcredist.msi

Filesize
2.6MB

MD5
b20bbeb818222b657df49a9cfe4fed79

SHA1
3f6508e880b86502773a3275bc9527f046d45502

SHA256
91bdd063f6c53126737791c9eccf0b2f4cf44927831527245bc89a0be06c0cb4

SHA512
f534bc7bf1597e728940e6c3b77f864adfaa413bb1e080458326b692b0f96bddf4fbd294eeed36d7764a3578e6c8e919488bbf63b8fe2d4355ab3efd685424a4

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads