90e7b093d977d59acdd4d2ae22d95c575551219450a898d418d813ccbf2c409a

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 02:37

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General

Target

2024-09-28_e437602cf158586bade33244c3dddc07_cryptolocker.exe
Size

35KB
MD5

e437602cf158586bade33244c3dddc07
SHA1

f2b2d0a720e0fcf402c2fb9e7cdf88f24a18e23e
SHA256

90e7b093d977d59acdd4d2ae22d95c575551219450a898d418d813ccbf2c409a
SHA512

62200698be2f0e83b3231a91378a70683ea2e4ab4e690e6f856e500b5e6a1c15f1a316cd34c2454bd467c81dbefa4252702882b94566af770fdd67243149c495
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg9Arbkzos5jmUEf:bxNrC7kYo1Fxf2rYPLEf

Score

7^/10

discovery

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	2024-09-28_e437602cf158586bade33244c3dddc07_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3588	pissa.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-28_e437602cf158586bade33244c3dddc07_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pissa.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 3588	1048	2024-09-28_e437602cf158586bade33244c3dddc07_cryptolocker.exe	89
PID 1048 wrote to memory of 3588	1048	2024-09-28_e437602cf158586bade33244c3dddc07_cryptolocker.exe	89
PID 1048 wrote to memory of 3588	1048	2024-09-28_e437602cf158586bade33244c3dddc07_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-09-28_e437602cf158586bade33244c3dddc07_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-28_e437602cf158586bade33244c3dddc07_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3588

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 --field-trial-handle=4276,i,10065386245627775856,6567048529106473151,262144 --variations-seed-version --mojo-platform-channel-handle=4308 /prefetch:8
1⤵
PID:4056

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\pissa.exe

Filesize
35KB

MD5
bf9b4c92dfdc961efbe28a9235a176a6

SHA1
6a9b181dfaecd8d431fc69d76a76b9ca0e53da04

SHA256
9ddbd58100eac75e5544ccbbb886b8847cf7d8d403d8c5d267ec43caf42c5ba4

SHA512
68f8b4f038f21cb5a566403cd0098463a370761e2abeabb5eb92a8a369ca9b53873e67861905ae673e6689133ab2ad482f190a3e04931081f4c8a2dcc457a63c

Download Submit
memory/1048-0-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1048-1-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1048-2-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/3588-17-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/3588-23-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download