f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0

Analysis

max time kernel
143s
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
14/05/2024, 04:06

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General

Target

f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe
Size

70KB
MD5

047c7f180b7249188259d89bebca1081
SHA1

491ed4fb0abde863b8dae3aaae12a3aea9141574
SHA256

f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0
SHA512

fd6764b0cda9a6c271cb19b15c136e0ea657f16c108c2334b08fc6d4a2bce8d380eca91b9e5bf2c48a3e0e7a98933ac4605c14d0a0ff9ae28809d788ecab0cad
SSDEEP

384:dbnwR2FRnlaeZC1t32L8bG2RbuQb90PGDyaT5jR9BsjeFTiCaqiw/2NwNRdvA65:dDwRAnRAGeiPPGDNv6bwteGR1r5

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	f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe

Executes dropped EXE 1 IoCs

pid	Process
4284	hummy.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 656 wrote to memory of 4284	656	f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe	92
PID 656 wrote to memory of 4284	656	f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe	92
PID 656 wrote to memory of 4284	656	f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe	92

C:\Users\Admin\AppData\Local\Temp\f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe
"C:\Users\Admin\AppData\Local\Temp\f1fdef9f6fa0dd917be4b21fe2135e83499a198a38511f2a3fcbf1497424eec0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:656
- C:\Users\Admin\AppData\Local\Temp\hummy.exe
  "C:\Users\Admin\AppData\Local\Temp\hummy.exe"
  2⤵
  - Executes dropped EXE
  PID:4284

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=4120 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
1⤵
PID:4804

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\hummy.exe

Filesize
71KB

MD5
82d12ac92a827c18877a2155230f4306

SHA1
f6046c3c65424507f7d6a5711530bb10877bef30

SHA256
98810f018a2321fd7241384f697413e87409a71ccee243058996b4adff36d4c6

SHA512
9195c8f1a96269d99aae1c8fd7563c86381969891909057508b61d3376f4d23cadc0e029da0a875997ded7b7594ef4485291c0fbc8d17907c1728fc5953cc320

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