beed0637c4d62d13abfd996d0fc73a5a129818faa4e62aa0f67898ed00e80c9f

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02/06/2024, 10:19

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General

Target

virussign.com_934d9ec80099afa9d6148fe804b5e850.exe
Size

37KB
MD5

934d9ec80099afa9d6148fe804b5e850
SHA1

8ba858d8c144c33a37db5809653af02516936391
SHA256

beed0637c4d62d13abfd996d0fc73a5a129818faa4e62aa0f67898ed00e80c9f
SHA512

0f515859a249d950a652007e6910396a7ea761b85a435e1e9302af4ae97d5b609304795b9f1dea1e1733bf6d305dc754506acd38c3bfad52855b4a9c45515db2
SSDEEP

768:U5ZFhzgxucryOmJQqO3VhDWiNlW+O96QhlqNU9jlF9jnBm:U57mucrFmJQqO3VhDWiC+i6QnjPBnBm

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	virussign.com_934d9ec80099afa9d6148fe804b5e850.exe

Executes dropped EXE 1 IoCs

pid	Process
1960	hhcbrnaff.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 1960	5064	virussign.com_934d9ec80099afa9d6148fe804b5e850.exe	91
PID 5064 wrote to memory of 1960	5064	virussign.com_934d9ec80099afa9d6148fe804b5e850.exe	91
PID 5064 wrote to memory of 1960	5064	virussign.com_934d9ec80099afa9d6148fe804b5e850.exe	91

C:\Users\Admin\AppData\Local\Temp\virussign.com_934d9ec80099afa9d6148fe804b5e850.exe
"C:\Users\Admin\AppData\Local\Temp\virussign.com_934d9ec80099afa9d6148fe804b5e850.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5064
- C:\Users\Admin\AppData\Local\Temp\hhcbrnaff.exe
  "C:\Users\Admin\AppData\Local\Temp\hhcbrnaff.exe"
  2⤵
  - Executes dropped EXE
  PID:1960

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4472 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\hhcbrnaff.exe

Filesize
37KB

MD5
4d49a54e37f5c3456b761e63c614ac29

SHA1
4a6758a9fc8eb3690ebf0b48cea044d9a8f64c82

SHA256
10f01223b9aa4b1c303465ce8024e3f8dcf8d1e5037e71e96edb586d2a5b63dd

SHA512
68434ea1bf1aa89a9d647670087fdcb9128d5421899a73b81951160c2167327b1e779b7a59b7ae70c69a34a58bc1c0a6fc9158d0b016120114c2cb97c321c182

Download Submit
memory/1960-10-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download
memory/5064-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/5064-1-0x00000000021E0000-0x00000000021E6000-memory.dmp

Filesize
24KB

Download
memory/5064-11-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download