31e9f88d2343967251e2ef28dfe51eb901ac91fdea16268f1b023e4d00456e51

Analysis

max time kernel
140s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/05/2024, 09:02

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General

Target
data/flutter_assets/NOTICES.gz
Size 66KB
Sample240510-kzzataea4y
SHA256 8f3324555eeeed1a08a3f68f2baa26938e387e9869aad4d362aec533f2b6d895
MD5 51259596906fa9bab24bd23db7855e55
SHA1 5cfd8807e4aa409405fea3a45477058fc87247aa
SHA512 d720a13ae7410cc2661eac624ee6bc1260ac2a0fea52fec516381de2f3df125998463135e3fa2c24b171b1d0d8054faac1e20b02d280d4db4d2e0addefb597bb
SSDEEP 1536:KE1QOMgRvz7qT1iPVaMWcoflYSe0qZgTEIh7:F1QbgVmTwPVaJHYJgR7
MD5 SHA1 SHA512 SSDEEP

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	cmd.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	4824	7zFM.exe
Token: 35	4824	7zFM.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4824	7zFM.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4452 wrote to memory of 4824	4452	cmd.exe	91
PID 4452 wrote to memory of 4824	4452	cmd.exe	91

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\data\flutter_assets\NOTICES.gz
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4452
- C:\Program Files\7-Zip\7zFM.exe
  "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\data\flutter_assets\NOTICES.gz"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  PID:4824

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=1932 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:2660

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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