8377529eef7fa2ae5beb97c4f3ca0e791f6114ed9c6c70f80e7b2e6a8a3b125c

Analysis

max time kernel
207s
max time network
214s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 12:12

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General

Target
8377529eef7fa2ae5beb97c4f3ca0e791f6114ed9c6c70f80e7b2e6a8a3b125c.exe
Size 242KB
Sample221129-pdgwvsge84
SHA256 8377529eef7fa2ae5beb97c4f3ca0e791f6114ed9c6c70f80e7b2e6a8a3b125c
MD5 9e9e590708c4f3082a6c7304bafebfc4
SHA1 77a7b1e791523de70675b28dbff1c8a87cae4012
SHA512 bd018de924df5efa80c2b4a4d78cc77fba96293f106052db1cab924713329e85b152310ad54d25c03e2000b40bc760c1678f6827434ce741dd8602eeec781b7c
SSDEEP 3072:lzNWMKKRZYc1ObK91C8sV6Xmoo4MEpYeptCGFKDPBzyAN9SgdN0:lZuaObR8sVImPyYepAGMFey9SgD0
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5048	4.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	8377529eef7fa2ae5beb97c4f3ca0e791f6114ed9c6c70f80e7b2e6a8a3b125c.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Explorer\svmssc.exe	4.exe
File opened for modification	C:\Program Files\Microsoft Explorer\svmssc.exe	4.exe
File opened for modification	C:\Program Files\Microsoft Explorer	4.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 SetWindowsHookEx 1 IoCs

pid	Process
5048	4.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 5048	2132	8377529eef7fa2ae5beb97c4f3ca0e791f6114ed9c6c70f80e7b2e6a8a3b125c.exe	83
PID 2132 wrote to memory of 5048	2132	8377529eef7fa2ae5beb97c4f3ca0e791f6114ed9c6c70f80e7b2e6a8a3b125c.exe	83
PID 2132 wrote to memory of 5048	2132	8377529eef7fa2ae5beb97c4f3ca0e791f6114ed9c6c70f80e7b2e6a8a3b125c.exe	83

C:\Users\Admin\AppData\Local\Temp\8377529eef7fa2ae5beb97c4f3ca0e791f6114ed9c6c70f80e7b2e6a8a3b125c.exe
"C:\Users\Admin\AppData\Local\Temp\8377529eef7fa2ae5beb97c4f3ca0e791f6114ed9c6c70f80e7b2e6a8a3b125c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Users\Admin\AppData\Local\Temp\4.exe
  "C:\Users\Admin\AppData\Local\Temp\4.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Suspicious use of SetWindowsHookEx
  PID:5048

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

4.exe

Path C:\Users\Admin\AppData\Local\Temp\4.exe
Size 151.3MB
SHA256 a90f460f54a6b14b52243ba779d53e9e3e2f52aa5ff380706f909992044b75e8
MD5 72952ce166521bb9f70ccabc3baf67a0
SHA1 4e1f5fcf5758a31419a4072ba62ea33a73914143
SHA512 2917618887b092a0f7a6ec4a557e710ebb9ec5fc9bfc5672d20198dabb43d0c04f4c0f6ae4940276758d82b5f1bbbe77da6e7ed9a4aabb97650e3275e0a65a07
SSDEEP 1536:vowahuA0ipcAgciDef2mFnToIf62MNFyxziV5oJA4:vowahJ0yJiDef2mtTBf6NNFyxzrq4
MD5 SHA1 SHA512 SSDEEP

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