b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2

General

Target

b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
Size

345KB
MD5

c3cf3916615f0f6f22cd095ce558273e
SHA1

2afd688e781777cf9c325ed3dd04e68b71d747e3
SHA256

b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2
SHA512

160235f957692e1a64c2fe59ec15867e0d107022cc84eb8a745c805a56e8fecd85a773a5640f9d43e51a50e3fa80a3be4ce9073671b2a13e4561c0d31acef3dc
SSDEEP

6144:W7EQVsbfb37iC2epe1diNXB4gy3P5E8urgyYqlHzlqkf/:aEQiN2y1B4bP5/4gbaTlqk

Score

8^/10

evasion persistence

Malware Config

Signatures

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Software\WOW6432Node\VMware, Inc.\VMware Tools	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe

Loads dropped DLL 2 IoCs

pid	Process
712	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
712	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe

Drops file in System32 directory 11 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\23rh46g.4e	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
File created	C:\Windows\SysWOW64\cooper.mine	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
File opened for modification	C:\Windows\SysWOW64\cooper.mine	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
File created	C:\Windows\SysWOW64\amoxnngy	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
File created	C:\Windows\SysWOW64\dllcache\user32.dll	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
File created	C:\Windows\SysWOW64\user32.DLL	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
File created	C:\Windows\SysWOW64\bb52fkri.few	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
File created	C:\Windows\SysWOW64\467.zt	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
File created	C:\Windows\SysWOW64\nmklo.dll	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
File created	C:\Windows\SysWOW64\fe6hbfe1.an	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
File created	C:\Windows\SysWOW64\3f5uk.sr	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mqcd.dbt	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
712	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
712	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeDebugPrivilege	712	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
Token: SeDebugPrivilege	712	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
Token: SeIncreaseQuotaPrivilege	4780	WMIC.exe
Token: SeSecurityPrivilege	4780	WMIC.exe
Token: SeTakeOwnershipPrivilege	4780	WMIC.exe
Token: SeLoadDriverPrivilege	4780	WMIC.exe
Token: SeSystemProfilePrivilege	4780	WMIC.exe
Token: SeSystemtimePrivilege	4780	WMIC.exe
Token: SeProfSingleProcessPrivilege	4780	WMIC.exe
Token: SeIncBasePriorityPrivilege	4780	WMIC.exe
Token: SeCreatePagefilePrivilege	4780	WMIC.exe
Token: SeBackupPrivilege	4780	WMIC.exe
Token: SeRestorePrivilege	4780	WMIC.exe
Token: SeShutdownPrivilege	4780	WMIC.exe
Token: SeDebugPrivilege	4780	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4780	WMIC.exe
Token: SeRemoteShutdownPrivilege	4780	WMIC.exe
Token: SeUndockPrivilege	4780	WMIC.exe
Token: SeManageVolumePrivilege	4780	WMIC.exe
Token: 33	4780	WMIC.exe
Token: 34	4780	WMIC.exe
Token: 35	4780	WMIC.exe
Token: 36	4780	WMIC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
712	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 712 wrote to memory of 4780	712	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe	87
PID 712 wrote to memory of 4780	712	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe	87
PID 712 wrote to memory of 4780	712	b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe	87

C:\Users\Admin\AppData\Local\Temp\b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe
"C:\Users\Admin\AppData\Local\Temp\b6ac5b82790e1cba7549a592313e6ef702a71bae044ad6cc08a8b5220856c2d2.exe"
1⤵
- Looks for VMWare Tools registry key
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:712
- C:\Windows\SysWOW64\wbem\WMIC.exe
  "C:\Windows\System32\wbem\WMIC.exe" path win32_terminalservicesetting where (__Class!="") call setallowtsconnections 1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\nmklo.dll

Filesize
115KB

MD5
6d8dff358d9d93e0a654bccb2307f2a4

SHA1
4612d57c787c34c78f543147d1f0bb0864f6ab5b

SHA256
8c057bc35c796b9667bbf538b1abb77282d54a9e4a84590a28da1d0795d2199f

SHA512
84ce6f101bb9f925b72ec7dc824af6df54d8765a760bef4860fe83f0aebaf806d3ca3ee7c126779b840d90f49aebbe5aa7061907efdd4a3eb6e0e258754fda38

Download Submit
C:\Windows\SysWOW64\nmklo.dll

Filesize
115KB

MD5
6d8dff358d9d93e0a654bccb2307f2a4

SHA1
4612d57c787c34c78f543147d1f0bb0864f6ab5b

SHA256
8c057bc35c796b9667bbf538b1abb77282d54a9e4a84590a28da1d0795d2199f

SHA512
84ce6f101bb9f925b72ec7dc824af6df54d8765a760bef4860fe83f0aebaf806d3ca3ee7c126779b840d90f49aebbe5aa7061907efdd4a3eb6e0e258754fda38

Download Submit
memory/712-140-0x0000000002290000-0x00000000022D0000-memory.dmp

Filesize
256KB

Download
memory/712-141-0x0000000002290000-0x00000000022D0000-memory.dmp

Filesize
256KB

Download
memory/712-133-0x00000000021A0000-0x00000000021CF000-memory.dmp

Filesize
188KB

Download
memory/712-137-0x0000000002290000-0x00000000022D0000-memory.dmp

Filesize
256KB

Download
memory/712-138-0x0000000002290000-0x00000000022D0000-memory.dmp

Filesize
256KB

Download
memory/712-139-0x00000000022F0000-0x0000000002306000-memory.dmp

Filesize
88KB

Download
memory/712-132-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/712-134-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/712-142-0x0000000002380000-0x0000000002398000-memory.dmp

Filesize
96KB

Download
memory/712-152-0x00000000023B0000-0x00000000023B8000-memory.dmp

Filesize
32KB

Download
memory/712-147-0x00000000023A0000-0x00000000023A8000-memory.dmp

Filesize
32KB

Download
memory/712-157-0x00000000023C0000-0x00000000023C9000-memory.dmp

Filesize
36KB

Download
memory/712-162-0x0000000002F10000-0x0000000002F19000-memory.dmp

Filesize
36KB

Download
memory/712-167-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/712-169-0x0000000002290000-0x00000000022D0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads