3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2

General

Target

3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe
Size

792KB
MD5

aa73fd88db26bb43bd5e133fb0dc397f
SHA1

d8ce860072f57b83ad6f59759220a7d2cd984710
SHA256

3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2
SHA512

c0603f91af043436cc6176bf12278a27cd369c798727aaeb2b436340d5fe784868a7e7ad4ed6a091b9045f25c93ec896ca91a24cac9c1dba3a0c2a17e5d3dede

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\Client Monitor = "\"C:\\Program Files (x86)\\Client\\explore.exe\" -a /a"	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Client Monitor = "\"C:\\Program Files (x86)\\Client\\explore.exe\" -a /a"	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1368 set thread context of 1640	1368	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe	28

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Client\explore.exe	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe
File opened for modification	C:\Program Files (x86)\Client\explore.exe	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1368	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1640	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 1640	1368	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe	28
PID 1368 wrote to memory of 1640	1368	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe	28
PID 1368 wrote to memory of 1640	1368	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe	28
PID 1368 wrote to memory of 1640	1368	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe	28
PID 1368 wrote to memory of 1640	1368	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe	28
PID 1368 wrote to memory of 1640	1368	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe	28
PID 1368 wrote to memory of 1640	1368	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe	28
PID 1368 wrote to memory of 1640	1368	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe	28
PID 1368 wrote to memory of 1640	1368	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe	28
PID 1368 wrote to memory of 1640	1368	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe	28
PID 1368 wrote to memory of 1640	1368	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe	28
PID 1368 wrote to memory of 1640	1368	3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe	28

C:\Users\Admin\AppData\Local\Temp\3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe
"C:\Users\Admin\AppData\Local\Temp\3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Users\Admin\AppData\Local\Temp\3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe
  "C:\Users\Admin\AppData\Local\Temp\3f71c3bea1a529c309cf43d1524b259e483307e3c8e50d03548e5939738927a2.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Suspicious use of SetWindowsHookEx
  PID:1640

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

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1368-54-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download
memory/1368-55-0x0000000074470000-0x0000000074A1B000-memory.dmp

Filesize
5.7MB

Download
memory/1368-65-0x0000000074470000-0x0000000074A1B000-memory.dmp

Filesize
5.7MB

Download
memory/1640-57-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1640-59-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1640-60-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1640-61-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1640-64-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1640-56-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1640-67-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/1640-69-0x00000000743F0000-0x000000007499B000-memory.dmp

Filesize
5.7MB

Download
memory/1640-70-0x00000000743F0000-0x000000007499B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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