8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7

General

Target

8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
Size

177KB
MD5

85d12cca6fe4acfe9f8c084b1b11cb7f
SHA1

db9fccb5297821adc2cfc0f90b56c1bd0db99106
SHA256

8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7
SHA512

8eeaca9eb07c8da6339e441a12e0812dcd577329694c0e12ce1c4e9b7dd4df2b07aae41387434528d2fed23b02e667ff6af472a798fe04517819085155d2b236
SSDEEP

1536:UzgGrlZdaFC0eeDLdNRhRAeAZoNbr9rhoyK6vIg7pIVfB4nTEo+xo:U8y30e0Ld3boyK6h4fBRbo

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862338-84491331\\1p17r8.exe"	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2p2qrrt = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862338-84491331\\1p17r8.exe"	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe

description	ioc	process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781862338-84491331\Desktop.ini	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862338-84491331\\1p17r8.exe"	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe

description	pid	process	target process
PID 4204 set thread context of 2308	4204	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe

pid	process
4204	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
4204	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
4204	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
4204	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
2308	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
2308	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe

description	pid	process	target process
PID 4204 wrote to memory of 2308	4204	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
PID 4204 wrote to memory of 2308	4204	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
PID 4204 wrote to memory of 2308	4204	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
PID 4204 wrote to memory of 2308	4204	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
PID 4204 wrote to memory of 2308	4204	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
PID 4204 wrote to memory of 2308	4204	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
PID 4204 wrote to memory of 2308	4204	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
PID 4204 wrote to memory of 2308	4204	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
PID 2308 wrote to memory of 3000	2308	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe	Explorer.EXE
PID 2308 wrote to memory of 3000	2308	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe	Explorer.EXE
PID 2308 wrote to memory of 3000	2308	8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3000

C:\Users\Admin\AppData\Local\Temp\8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
"C:\Users\Admin\AppData\Local\Temp\8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4204

C:\Users\Admin\AppData\Local\Temp\8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe
"C:\Users\Admin\AppData\Local\Temp\8e75399ed6d56e8b467b0a2fb22f6350fab20845b527e77a75ff9e144ffd8da7.exe"
3⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops desktop.ini file(s)
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2308-132-0x0000000000000000-mapping.dmp

Download
memory/2308-133-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2308-136-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/4204-135-0x0000000000570000-0x0000000000573000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads