baf40ef47649293a383d12b7b6ccc27b893ac757ffc816cbd54784a9819b09f2

Analysis

max time kernel
134s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2022 08:45

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General

Target

baf40ef47649293a383d12b7b6ccc27b893ac757ffc816cbd54784a9819b09f2.exe
Size

222KB
MD5

9f84c9ecd51b4c80d90ae34d93f60993
SHA1

6f38a9ab31298873ad5befb16cee186d7545d55a
SHA256

baf40ef47649293a383d12b7b6ccc27b893ac757ffc816cbd54784a9819b09f2
SHA512

363af8489b9dde4ea7d38659d646201129e3a7bb40053b5200ea17902f46e3509d0f0cce8fff4d51ec422f94bd896fcadea84265d3b5dbeeb3d48205813f8daf
SSDEEP

6144:8d93ZBZMbqYgomHmXWValAHcv5NNyhTQrfWonYVhNlYX:8r3ZBIRi4G8v5NgcfWGX

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2588	15.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	baf40ef47649293a383d12b7b6ccc27b893ac757ffc816cbd54784a9819b09f2.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4864	2588	WerFault.exe	81

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 2588	4576	baf40ef47649293a383d12b7b6ccc27b893ac757ffc816cbd54784a9819b09f2.exe	81
PID 4576 wrote to memory of 2588	4576	baf40ef47649293a383d12b7b6ccc27b893ac757ffc816cbd54784a9819b09f2.exe	81
PID 4576 wrote to memory of 2588	4576	baf40ef47649293a383d12b7b6ccc27b893ac757ffc816cbd54784a9819b09f2.exe	81

C:\Users\Admin\AppData\Local\Temp\baf40ef47649293a383d12b7b6ccc27b893ac757ffc816cbd54784a9819b09f2.exe
"C:\Users\Admin\AppData\Local\Temp\baf40ef47649293a383d12b7b6ccc27b893ac757ffc816cbd54784a9819b09f2.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Users\Admin\AppData\Local\Temp\15.exe
  "C:\Users\Admin\AppData\Local\Temp\15.exe"
  2⤵
  - Executes dropped EXE
  PID:2588
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 224
    3⤵
    - Program crash
    PID:4864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2588 -ip 2588
1⤵
PID:4336

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:\Users\Admin\AppData\Local\Temp\15.exe

Filesize
126KB

MD5
264bb9edac9b7f166c7aa8ebb9238ebf

SHA1
0121c1912a4ab05b08a7f43b8430276bb0798363

SHA256
f5acdb0603469661bd48d715906dd8c0f026d1c125df55e4699d4cc886f20f8a

SHA512
f19c5c4c5ac153806f60e046972a2c6079d872220f16679f20671c9f4716d7698d239db80a3c79ce929ae5ded9de92c2ef30b76d97a38dc0b44b026447c1a0a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\15.exe

Filesize
126KB

MD5
264bb9edac9b7f166c7aa8ebb9238ebf

SHA1
0121c1912a4ab05b08a7f43b8430276bb0798363

SHA256
f5acdb0603469661bd48d715906dd8c0f026d1c125df55e4699d4cc886f20f8a

SHA512
f19c5c4c5ac153806f60e046972a2c6079d872220f16679f20671c9f4716d7698d239db80a3c79ce929ae5ded9de92c2ef30b76d97a38dc0b44b026447c1a0a4

Download Submit
memory/2588-135-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download