834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890

Analysis

max time kernel
151s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2022 11:53

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General

Target

834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe
Size

27KB
MD5

21218e4e7bad24e14de1a7d64faa8bc8
SHA1

6313d0701e078fd47d3b25242968107cbbbe2610
SHA256

834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890
SHA512

da284bbc543813e8ecab8757c697ef39cb2ce4f0bfca18f560795b53368a78367255c563b50ea3cc19d470353ac82390240c6032e0e942af45db4bc148e1aae6
SSDEEP

384:cQb9LYS/BKyRyWOScus0A0BhFmoDOICrUNrRcwoypGGvtbwGTJuomoUtGb7saW:vMC8rWOScusf0LFSYbUFGFbwGTJBNs

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2000	logo_1.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\logo_1.exe	834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe
File created	C:\Windows\system\logo_1.exe	834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4364	834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe
4364	834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4364	834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe
Token: SeDebugPrivilege	4364	834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 2000	4364	834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe	84
PID 4364 wrote to memory of 2000	4364	834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe	84
PID 4364 wrote to memory of 2000	4364	834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe	84
PID 4364 wrote to memory of 4460	4364	834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe	85
PID 4364 wrote to memory of 4460	4364	834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe	85
PID 4364 wrote to memory of 4460	4364	834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe	85

C:\Users\Admin\AppData\Local\Temp\834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe
"C:\Users\Admin\AppData\Local\Temp\834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4364
- C:\Windows\system\logo_1.exe
  C:\Windows\system\logo_1.exe /sleepDown
  2⤵
  - Executes dropped EXE
  PID:2000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\834189~1.EXE
  2⤵
  PID:4460

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\System\logo_1.exe

Filesize
27KB

MD5
21218e4e7bad24e14de1a7d64faa8bc8

SHA1
6313d0701e078fd47d3b25242968107cbbbe2610

SHA256
834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890

SHA512
da284bbc543813e8ecab8757c697ef39cb2ce4f0bfca18f560795b53368a78367255c563b50ea3cc19d470353ac82390240c6032e0e942af45db4bc148e1aae6

Download Submit
C:\Windows\system\logo_1.exe

Filesize
27KB

MD5
21218e4e7bad24e14de1a7d64faa8bc8

SHA1
6313d0701e078fd47d3b25242968107cbbbe2610

SHA256
834189858901cb39a08b5b3c69256b979dd78a30a68dbc93437cb433499a5890

SHA512
da284bbc543813e8ecab8757c697ef39cb2ce4f0bfca18f560795b53368a78367255c563b50ea3cc19d470353ac82390240c6032e0e942af45db4bc148e1aae6

Download Submit
memory/2000-137-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2000-140-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4364-132-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4364-133-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4364-139-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download