b0913253fc4ed9a0636cda22fc7260cae0f73259ab7affb99a64e382787f25ac

Analysis

max time kernel
176s
max time network
190s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2022, 01:56

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General

Target

b0913253fc4ed9a0636cda22fc7260cae0f73259ab7affb99a64e382787f25ac.exe
Size

13KB
MD5

8561016959360452c6c384fcb09b8cc2
SHA1

41b981f5c7cfefcedca4b48474a7492cfecb8d49
SHA256

b0913253fc4ed9a0636cda22fc7260cae0f73259ab7affb99a64e382787f25ac
SHA512

b13db0d2b4035e3e8cfddeb630e96391636a46775a5898de91c6c33360a6c3f37904023a24df7906ebf0016ea4a0b1fd69f8d01d7c480d9e187732b7c1584944
SSDEEP

192:gyUrwy5wrFbyNckCSWJTVWP38WpbLog00/pzpd:gPwRbOCS4WP38W+Rcpzp

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1652	windef.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-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	b0913253fc4ed9a0636cda22fc7260cae0f73259ab7affb99a64e382787f25ac.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\Microsoft\Windows\CurrentVersion\Run\Windows Defender® = "C:\\Users\\Admin\\AppData\\Roaming\\Windows\\windef.exe"	b0913253fc4ed9a0636cda22fc7260cae0f73259ab7affb99a64e382787f25ac.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 2 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 1652	4688	b0913253fc4ed9a0636cda22fc7260cae0f73259ab7affb99a64e382787f25ac.exe	83
PID 4688 wrote to memory of 1652	4688	b0913253fc4ed9a0636cda22fc7260cae0f73259ab7affb99a64e382787f25ac.exe	83

C:\Users\Admin\AppData\Local\Temp\b0913253fc4ed9a0636cda22fc7260cae0f73259ab7affb99a64e382787f25ac.exe
"C:\Users\Admin\AppData\Local\Temp\b0913253fc4ed9a0636cda22fc7260cae0f73259ab7affb99a64e382787f25ac.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Users\Admin\AppData\Roaming\Windows\windef.exe
  "C:\Users\Admin\AppData\Roaming\Windows\windef.exe"
  2⤵
  - Executes dropped EXE
  PID:1652

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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:\Users\Admin\AppData\Roaming\Windows\windef.exe

Filesize
13KB

MD5
8561016959360452c6c384fcb09b8cc2

SHA1
41b981f5c7cfefcedca4b48474a7492cfecb8d49

SHA256
b0913253fc4ed9a0636cda22fc7260cae0f73259ab7affb99a64e382787f25ac

SHA512
b13db0d2b4035e3e8cfddeb630e96391636a46775a5898de91c6c33360a6c3f37904023a24df7906ebf0016ea4a0b1fd69f8d01d7c480d9e187732b7c1584944

Download Submit
C:\Users\Admin\AppData\Roaming\Windows\windef.exe

Filesize
13KB

MD5
8561016959360452c6c384fcb09b8cc2

SHA1
41b981f5c7cfefcedca4b48474a7492cfecb8d49

SHA256
b0913253fc4ed9a0636cda22fc7260cae0f73259ab7affb99a64e382787f25ac

SHA512
b13db0d2b4035e3e8cfddeb630e96391636a46775a5898de91c6c33360a6c3f37904023a24df7906ebf0016ea4a0b1fd69f8d01d7c480d9e187732b7c1584944

Download Submit
memory/1652-136-0x00007FFE07210000-0x00007FFE07C46000-memory.dmp

Filesize
10.2MB

Download
memory/4688-132-0x00007FFE07210000-0x00007FFE07C46000-memory.dmp

Filesize
10.2MB

Download