b1eb0434a77c7b33b1cdab02d97df1350344c65c551a0ee5547be51789b14e76

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01/05/2024, 02:14

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General

Target

b1eb0434a77c7b33b1cdab02d97df1350344c65c551a0ee5547be51789b14e76.exe
Size

37KB
MD5

6017a44061d628b49639debe8535230e
SHA1

c539f73ca4c793bb53aeb7303b3b0fd50b3a50ab
SHA256

b1eb0434a77c7b33b1cdab02d97df1350344c65c551a0ee5547be51789b14e76
SHA512

6ea6d3de86891cd8768764afd3678b7fb6f534ab18d177b3de6832da71ee12efa4e19ab8396ac5185d4369621221eea639f45842ca54a4c7081fb1111d740d25
SSDEEP

768:IP3DtPgryYLESsqysTTtQoTj2lOt/goTWlaA8:EztSRsq7bj2lxoUR8

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	b1eb0434a77c7b33b1cdab02d97df1350344c65c551a0ee5547be51789b14e76.exe

Executes dropped EXE 1 IoCs

pid	Process
5076	pdfupdate.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 4156 wrote to memory of 5076	4156	b1eb0434a77c7b33b1cdab02d97df1350344c65c551a0ee5547be51789b14e76.exe	89
PID 4156 wrote to memory of 5076	4156	b1eb0434a77c7b33b1cdab02d97df1350344c65c551a0ee5547be51789b14e76.exe	89
PID 4156 wrote to memory of 5076	4156	b1eb0434a77c7b33b1cdab02d97df1350344c65c551a0ee5547be51789b14e76.exe	89

C:\Users\Admin\AppData\Local\Temp\b1eb0434a77c7b33b1cdab02d97df1350344c65c551a0ee5547be51789b14e76.exe
"C:\Users\Admin\AppData\Local\Temp\b1eb0434a77c7b33b1cdab02d97df1350344c65c551a0ee5547be51789b14e76.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4156
- C:\Users\Admin\AppData\Local\Temp\pdfupdate.exe
  "C:\Users\Admin\AppData\Local\Temp\pdfupdate.exe"
  2⤵
  - Executes dropped EXE
  PID:5076

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=3820 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:2596

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\pdfupdate.exe

Filesize
37KB

MD5
6802ea6eb805e8a4b14d9f8103874c79

SHA1
e5fd1ef9d14b70b6bbc3bfe157fb1618ca5f284d

SHA256
fd1e6b82353b1e7d9650fc454ce1bf6d8aee58b6bce13219cbe0bda936b9b92a

SHA512
54ca7b0c6db54097b2661cfa04db4c272384a3fb740106b815f4330c9e727bcfeced530d882a0fca6bac3402933edcf32ef9069047f16f32cb9411eaa8020de5

Download Submit
memory/4156-0-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/5076-9-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download