5f06e0c0805a9daa9537adabb8cc72d628a2dca3f8c9d2bff0c8cab18d392918

General

Target

248e6632fcc179afd15dcbc7710fc589.exe
Size

55KB
MD5

248e6632fcc179afd15dcbc7710fc589
SHA1

5d0ff2f9e9e89d92a50de8379c17056153dc98b4
SHA256

5f06e0c0805a9daa9537adabb8cc72d628a2dca3f8c9d2bff0c8cab18d392918
SHA512

6f801be16d833b67b20cc5d8f6a6c667575ce19bcf7fb2507771051741516b402cf2892be413c1f1897a7944e758c0b1bfafc43f8865738cd2157271a0c28ded
SSDEEP

768:dJn1XZb3ByriFXMfcG++vpJpgSgdhsSW5utzIjZsKS+SiEYGjRX0Kwbzvc5T+I:DbxaiFXfG+oTgbzIjZ6VRX0vHud

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
2148	248e6632fcc179afd15dcbc7710fc589.exe
2612	rundll32.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2148-4-0x0000000000400000-0x00000000004115ED-memory.dmp	upx
behavioral2/memory/2148-3-0x0000000000400000-0x00000000004115ED-memory.dmp	upx
behavioral2/memory/2148-18-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/2148-12-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/2148-11-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/2148-10-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/2148-2-0x0000000000400000-0x00000000004115ED-memory.dmp	upx
behavioral2/memory/2612-31-0x0000000010000000-0x0000000010014000-memory.dmp	upx
behavioral2/memory/2612-32-0x0000000010000000-0x0000000010014000-memory.dmp	upx

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\Run\MSServer = "rundll32.exe C:\\Windows\\system32\\pmnlmjIa.dll,#1"	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\pmnlmjIa.dll	248e6632fcc179afd15dcbc7710fc589.exe
File opened for modification	C:\Windows\SysWOW64\awttqoom.dll	248e6632fcc179afd15dcbc7710fc589.exe
File created	C:\Windows\SysWOW64\awttqoom.dll	248e6632fcc179afd15dcbc7710fc589.exe
File created	C:\Windows\SysWOW64\pmnlmjIa.dll	248e6632fcc179afd15dcbc7710fc589.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B904910-78A4-489D-A825-5111B883A5B2}	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B904910-78A4-489D-A825-5111B883A5B2}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B904910-78A4-489D-A825-5111B883A5B2}\InprocServer32\ = "C:\\Windows\\SysWow64\\pmnlmjIa.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9B904910-78A4-489D-A825-5111B883A5B2}\InprocServer32\ThreadingModel = "Both"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
2148	248e6632fcc179afd15dcbc7710fc589.exe
2148	248e6632fcc179afd15dcbc7710fc589.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe
2612	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2148	248e6632fcc179afd15dcbc7710fc589.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2148	248e6632fcc179afd15dcbc7710fc589.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 612	2148	248e6632fcc179afd15dcbc7710fc589.exe	6
PID 2148 wrote to memory of 2612	2148	248e6632fcc179afd15dcbc7710fc589.exe	102
PID 2148 wrote to memory of 2612	2148	248e6632fcc179afd15dcbc7710fc589.exe	102
PID 2148 wrote to memory of 2612	2148	248e6632fcc179afd15dcbc7710fc589.exe	102
PID 2148 wrote to memory of 4056	2148	248e6632fcc179afd15dcbc7710fc589.exe	101
PID 2148 wrote to memory of 4056	2148	248e6632fcc179afd15dcbc7710fc589.exe	101
PID 2148 wrote to memory of 4056	2148	248e6632fcc179afd15dcbc7710fc589.exe	101

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:612

C:\Users\Admin\AppData\Local\Temp\248e6632fcc179afd15dcbc7710fc589.exe
"C:\Users\Admin\AppData\Local\Temp\248e6632fcc179afd15dcbc7710fc589.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\removalfile.bat "C:\Users\Admin\AppData\Local\Temp\248e6632fcc179afd15dcbc7710fc589.exe"
  2⤵
  PID:4056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Windows\system32\pmnlmjIa.dll,a
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:2612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\removalfile.bat

Filesize
43B

MD5
9a7ef09167a6f4433681b94351509043

SHA1
259b1375ed8e84943ca1d42646bb416325c89e12

SHA256
d5739a0510d89da572eb0b0d394d4fb4dd361cd9ee0144b9b31c590df93c3be7

SHA512
96b84cd88a0e4b7c1122af3ed6ce5edf0a9a4e9bf79575eadfac16b2c46f1278d57755d29f21d7c6dcb4403be24b7ac7da4837c6cc9c602342a8f2b8e54883df

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

Filesize
35KB

MD5
92a6e9d453a00c3deb160bdf5163b093

SHA1
cb8e5564d3a014960f47fc560941a3809610be94

SHA256
1e2c17d4945033596ae2d7f4b44e29071d96af7820b4ca9f3367861b278af3d6

SHA512
ad29ddb05026ea0027b9c762a294301257f8f9a9c8a8a682575ecefbeeb16161dbc7813c6eee3fb6218ca989a8e84e413a906e6e49d25c6d2ef9169af62bb36a

Download Submit
memory/2148-12-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/2148-1-0x00000000007C0000-0x00000000007CC000-memory.dmp

Filesize
48KB

Download
memory/2148-18-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/2148-13-0x0000000002BB0000-0x0000000002BB7000-memory.dmp

Filesize
28KB

Download
memory/2148-0-0x0000000000400000-0x00000000004115ED-memory.dmp

Filesize
69KB

Download
memory/2148-11-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/2148-10-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/2148-2-0x0000000000400000-0x00000000004115ED-memory.dmp

Filesize
69KB

Download
memory/2148-3-0x0000000000400000-0x00000000004115ED-memory.dmp

Filesize
69KB

Download
memory/2148-4-0x0000000000400000-0x00000000004115ED-memory.dmp

Filesize
69KB

Download
memory/2612-31-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download
memory/2612-32-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads