2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a

General

Target

2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe
Size

163KB
MD5

3f042fd6b9ce7e23b3c84c6f7323dd75
SHA1

54ac7b92778cffafe3f2e4d00d75a21bb1db8e4d
SHA256

2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a
SHA512

c4094027e6689fe25e8cfe56f96748771b9dbc7f268a8508d991b39e257ef0ab8b0f24c727cf6ea57e8886e9bbf458bd83fbbd77bd12cd7183ef2afc5495cb34
SSDEEP

3072:uTsrMCLiv1CxwVdIsSV+WCdpJHsTJuIiw5ExOWhdKN2b3yzD8ACQqiLji1CoL:xrGdU/8dpODiZxOgdVeCQqiLRQ

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1696	explorer.exe
4904	explorer.exe

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\%appdata% = "\"C:\\Users\\Admin\\appdata\\local\\explorer.exe\""	explorer.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2800 set thread context of 3708	2800	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe	79
PID 1696 set thread context of 4904	1696	explorer.exe	81

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\explorer.exe	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe
File created	\??\c:\windows\explorer.exe	explorer.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 3708	2800	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe	79
PID 2800 wrote to memory of 3708	2800	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe	79
PID 2800 wrote to memory of 3708	2800	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe	79
PID 2800 wrote to memory of 3708	2800	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe	79
PID 2800 wrote to memory of 3708	2800	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe	79
PID 2800 wrote to memory of 3708	2800	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe	79
PID 2800 wrote to memory of 3708	2800	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe	79
PID 2800 wrote to memory of 3708	2800	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe	79
PID 2800 wrote to memory of 3708	2800	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe	79
PID 2800 wrote to memory of 3708	2800	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe	79
PID 2800 wrote to memory of 3708	2800	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe	79
PID 3708 wrote to memory of 1696	3708	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe	80
PID 3708 wrote to memory of 1696	3708	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe	80
PID 3708 wrote to memory of 1696	3708	2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe	80
PID 1696 wrote to memory of 4904	1696	explorer.exe	81
PID 1696 wrote to memory of 4904	1696	explorer.exe	81
PID 1696 wrote to memory of 4904	1696	explorer.exe	81
PID 1696 wrote to memory of 4904	1696	explorer.exe	81
PID 1696 wrote to memory of 4904	1696	explorer.exe	81
PID 1696 wrote to memory of 4904	1696	explorer.exe	81
PID 1696 wrote to memory of 4904	1696	explorer.exe	81
PID 1696 wrote to memory of 4904	1696	explorer.exe	81
PID 1696 wrote to memory of 4904	1696	explorer.exe	81
PID 1696 wrote to memory of 4904	1696	explorer.exe	81
PID 1696 wrote to memory of 4904	1696	explorer.exe	81

C:\Users\Admin\AppData\Local\Temp\2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe
"C:\Users\Admin\AppData\Local\Temp\2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Users\Admin\AppData\Local\Temp\2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe
  "C:\Users\Admin\AppData\Local\Temp\2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a.exe"
  2⤵
  - Checks computer location settings
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:3708
- - C:\Users\Admin\appdata\local\explorer.exe
    "C:\Users\Admin\appdata\local\explorer.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1696
  - - C:\Users\Admin\appdata\local\explorer.exe
      "C:\Users\Admin\appdata\local\explorer.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      PID:4904

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\explorer.exe

Filesize
163KB

MD5
3f042fd6b9ce7e23b3c84c6f7323dd75

SHA1
54ac7b92778cffafe3f2e4d00d75a21bb1db8e4d

SHA256
2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a

SHA512
c4094027e6689fe25e8cfe56f96748771b9dbc7f268a8508d991b39e257ef0ab8b0f24c727cf6ea57e8886e9bbf458bd83fbbd77bd12cd7183ef2afc5495cb34

Download Submit
C:\Users\Admin\AppData\Local\explorer.exe

Filesize
163KB

MD5
3f042fd6b9ce7e23b3c84c6f7323dd75

SHA1
54ac7b92778cffafe3f2e4d00d75a21bb1db8e4d

SHA256
2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a

SHA512
c4094027e6689fe25e8cfe56f96748771b9dbc7f268a8508d991b39e257ef0ab8b0f24c727cf6ea57e8886e9bbf458bd83fbbd77bd12cd7183ef2afc5495cb34

Download Submit
C:\Users\Admin\appdata\local\explorer.exe

Filesize
163KB

MD5
3f042fd6b9ce7e23b3c84c6f7323dd75

SHA1
54ac7b92778cffafe3f2e4d00d75a21bb1db8e4d

SHA256
2ffb223e70a5124340e1c3d4f6d3e8eec726f32db9cea62f584d7440f9e1955a

SHA512
c4094027e6689fe25e8cfe56f96748771b9dbc7f268a8508d991b39e257ef0ab8b0f24c727cf6ea57e8886e9bbf458bd83fbbd77bd12cd7183ef2afc5495cb34

Download Submit
memory/3708-136-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3708-138-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3708-139-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4904-147-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4904-148-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing