fcd25a11ef8ebc61519d66fbf7a0edfcbb4bd9a6b0723993bff99462050011a8

Analysis

max time kernel
237s
max time network
254s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 03:23

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General

Target

fcd25a11ef8ebc61519d66fbf7a0edfcbb4bd9a6b0723993bff99462050011a8.exe
Size

645KB
MD5

398a75ee8a26f0ef0a9cfad14291c3af
SHA1

6c515db9557f3256e681fda198cb45c034d01658
SHA256

fcd25a11ef8ebc61519d66fbf7a0edfcbb4bd9a6b0723993bff99462050011a8
SHA512

e3beddb7435300d413ea11edaad14359ea6e262e8cdc201d260a832cf6b4f0c62259a996248337f15b57ca76a19a7ef2a984683461dd6620deb64998a3c246b6
SSDEEP

12288:dXrWlNSpKL/HaQ/82Q3E4RSDnDiLs4C4a7rHNEu34RC2bjpZJYD:duSgLCQ/8H3E4RSbme7rF34RC2FYD

Score

7^/10

Malware Config

Signatures

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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	fcd25a11ef8ebc61519d66fbf7a0edfcbb4bd9a6b0723993bff99462050011a8.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 4 IoCs

pid	Process
4536	fcd25a11ef8ebc61519d66fbf7a0edfcbb4bd9a6b0723993bff99462050011a8.exe
4536	fcd25a11ef8ebc61519d66fbf7a0edfcbb4bd9a6b0723993bff99462050011a8.exe
756	winlogon.exe
756	winlogon.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4536	fcd25a11ef8ebc61519d66fbf7a0edfcbb4bd9a6b0723993bff99462050011a8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4536	fcd25a11ef8ebc61519d66fbf7a0edfcbb4bd9a6b0723993bff99462050011a8.exe
Token: SeDebugPrivilege	756	winlogon.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 756	4536	fcd25a11ef8ebc61519d66fbf7a0edfcbb4bd9a6b0723993bff99462050011a8.exe	81
PID 4536 wrote to memory of 756	4536	fcd25a11ef8ebc61519d66fbf7a0edfcbb4bd9a6b0723993bff99462050011a8.exe	81

C:\Users\Admin\AppData\Local\Temp\fcd25a11ef8ebc61519d66fbf7a0edfcbb4bd9a6b0723993bff99462050011a8.exe
"C:\Users\Admin\AppData\Local\Temp\fcd25a11ef8ebc61519d66fbf7a0edfcbb4bd9a6b0723993bff99462050011a8.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe
  "C:\Users\Admin\AppData\Roaming\SubFolder\SubFolder\winlogon.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:756

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

memory/756-134-0x000000001C330000-0x000000001CD66000-memory.dmp

Filesize
10.2MB

Download
memory/4536-132-0x000000001C180000-0x000000001CBB6000-memory.dmp

Filesize
10.2MB

Download