2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625

General

Target

2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Size

714KB
MD5

41c59cfbda48bcaddaf65dfd27a724eb
SHA1

996304175bf1ddc556544f9e58d4f73e4c24c5fc
SHA256

2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625
SHA512

d70fe2492023a07f8308787ddb53aedc5ec0a3eb84faf982a136fe08b3b0ce773d52ce8179a6207fbd881d8bbd93280358620af2f41e4d8c8270650b3dc2a8dc
SSDEEP

12288:aaAchpWsuVTv7ItY8XljyypHP7cOLBev03hlULsmWZ++09ZcKDVsgdu:7AEENIq8XwyVPQclDq/+WnpsSu

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\System32\\explorer.exe"	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe

Executes dropped EXE 1 IoCs

pid	Process
972	explorer.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe

Loads dropped DLL 1 IoCs

pid	Process
2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Windows\\System32\\explorer.exe"	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\explorer.exe	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
File opened for modification	C:\Windows\SysWOW64\explorer.exe	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
File opened for modification	C:\Windows\SysWOW64\	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeSecurityPrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeTakeOwnershipPrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeLoadDriverPrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeSystemProfilePrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeSystemtimePrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeProfSingleProcessPrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeIncBasePriorityPrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeCreatePagefilePrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeBackupPrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeRestorePrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeShutdownPrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeDebugPrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeSystemEnvironmentPrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeChangeNotifyPrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeRemoteShutdownPrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeUndockPrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeManageVolumePrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeImpersonatePrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: SeCreateGlobalPrivilege	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: 33	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: 34	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
Token: 35	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 972	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe	27
PID 2032 wrote to memory of 972	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe	27
PID 2032 wrote to memory of 972	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe	27
PID 2032 wrote to memory of 972	2032	2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe	27

C:\Users\Admin\AppData\Local\Temp\2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe
"C:\Users\Admin\AppData\Local\Temp\2c0cc2b4e28dce99c88d7242f0bf51534187b13eeed3be1b1dbad020699d9625.exe"
1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\System32\explorer.exe"
  2⤵
  - Executes dropped EXE
  PID:972

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\explorer.exe

Filesize
2.5MB

MD5
40d777b7a95e00593eb1568c68514493

SHA1
89a175a12bc20104770d0ef83e553f8b0e06274b

SHA256
0a8ce026714e03e72c619307bd598add5f9b639cfd91437cb8d9c847bf9f6894

SHA512
d5719baef8bef791ef99b4c88d449d45f199638438bd929c1a3e7a74309931c72e03567633135a4fcf4c92e2b53e552f9526cba2e1d85383906d3c1aa21dd67f

Download Submit
\Windows\SysWOW64\explorer.exe

Filesize
2.5MB

MD5
40d777b7a95e00593eb1568c68514493

SHA1
89a175a12bc20104770d0ef83e553f8b0e06274b

SHA256
0a8ce026714e03e72c619307bd598add5f9b639cfd91437cb8d9c847bf9f6894

SHA512
d5719baef8bef791ef99b4c88d449d45f199638438bd929c1a3e7a74309931c72e03567633135a4fcf4c92e2b53e552f9526cba2e1d85383906d3c1aa21dd67f

Download Submit
memory/972-59-0x0000000073651000-0x0000000073653000-memory.dmp

Filesize
8KB

Download
memory/2032-54-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads