b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54

General

Target

b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe
Size

111KB
MD5

3e331caf8b85d574487b0d1fb67d1ba0
SHA1

d8beb51fae68db2f23605a5bbcb232af03074a17
SHA256

b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54
SHA512

6bd051bc6805609b72ac351cab18f61b6425eb48aa7710e12853c30b6024ef8e53d093c38898b5988d521b4f96b218a6c22dba7b4b33c0f2ee647c8ff27a7d49
SSDEEP

1536:R32jxh6koA6iHSPuCgRoD7yPwmRNtjuy118/QxMzAsKgdBM+SxTvwCiLEw9n:UthJogRsy3tF11KQurdBM+ZCQZ9n

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862338-191111821\\1vdm8v1.exe"	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\28vmfd1f70 = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862338-191111821\\1vdm8v1.exe"	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe

description	ioc	process
File created	C:\RECYCLER\S-1-5-21-0243556031-888888379-781862338-191111821\Desktop.ini	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Taskman = "C:\\RECYCLER\\S-1-5-21-0243556031-888888379-781862338-191111821\\1vdm8v1.exe"	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe

description	pid	process	target process
PID 556 set thread context of 652	556	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exeb0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe

pid	process
556	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe
556	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe
652	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exeb0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe

description	pid	process	target process
PID 556 wrote to memory of 652	556	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe
PID 556 wrote to memory of 652	556	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe
PID 556 wrote to memory of 652	556	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe
PID 556 wrote to memory of 652	556	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe
PID 556 wrote to memory of 652	556	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe
PID 556 wrote to memory of 652	556	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe
PID 556 wrote to memory of 652	556	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe
PID 556 wrote to memory of 652	556	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe
PID 556 wrote to memory of 652	556	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe
PID 652 wrote to memory of 1252	652	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe	Explorer.EXE
PID 652 wrote to memory of 1252	652	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe	Explorer.EXE
PID 652 wrote to memory of 1252	652	b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1252

C:\Users\Admin\AppData\Local\Temp\b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe
"C:\Users\Admin\AppData\Local\Temp\b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:556

C:\Users\Admin\AppData\Local\Temp\b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.exe
"C:\Users\Admin\AppData\Local\Temp\b0d77124da9a2f113e94048b821d0ded2c532a108871e2617344497e627afc54.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:652

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

Replay Monitor

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Downloads

memory/556-54-0x0000000076581000-0x0000000076583000-memory.dmp

Filesize
8KB

Download
memory/556-55-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/652-56-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/652-57-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/652-59-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/652-60-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/652-61-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/652-62-0x0000000000401920-mapping.dmp

Download
memory/652-64-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads