576df2827a30c51a593cd57a8c71d7a087a2ae4707521f50b2936654a7ae0175

Analysis

max time kernel
150s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 01:31

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General

Target

2024-03-12_35105c62500695ab7a9acf23fcb48626_cryptolocker.exe
Size

34KB
MD5

35105c62500695ab7a9acf23fcb48626
SHA1

95854adb6a4393aec600760eeee6eafcf9526126
SHA256

576df2827a30c51a593cd57a8c71d7a087a2ae4707521f50b2936654a7ae0175
SHA512

b93d2a4f4df8e77d18e9ac9240182f85838042696f64d432b0ad7fdbfa98cfa5e09b274ac5beb64ca3004f225d0f71e9acd19def1b1dff8c492b68b4acada59a
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUr766SJXTQke8SEMMV:bA74zYcgT/Ekd0ryfjQRSNhpSFc

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023333-12.dat	CryptoLocker_rule2

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-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	2024-03-12_35105c62500695ab7a9acf23fcb48626_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
216	hasfj.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 3344 wrote to memory of 216	3344	2024-03-12_35105c62500695ab7a9acf23fcb48626_cryptolocker.exe	95
PID 3344 wrote to memory of 216	3344	2024-03-12_35105c62500695ab7a9acf23fcb48626_cryptolocker.exe	95
PID 3344 wrote to memory of 216	3344	2024-03-12_35105c62500695ab7a9acf23fcb48626_cryptolocker.exe	95

C:\Users\Admin\AppData\Local\Temp\2024-03-12_35105c62500695ab7a9acf23fcb48626_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_35105c62500695ab7a9acf23fcb48626_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:216

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=4360 --field-trial-handle=2232,i,11267738607351977302,107266978269557304,262144 --variations-seed-version /prefetch:8
1⤵
PID:1476

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\hasfj.exe

Filesize
34KB

MD5
cc7bf5bceee102df71ce84a6838451a1

SHA1
0b11a23ad65dd3c3a65b25d6b320e44b6adb857c

SHA256
feb585f8c2d67cd6963d44ecbb005a699c2f45f6b46e05e0ae39c46df8fe0422

SHA512
da53ae74adf68ceea772ab47a713bc96a1f47f9c3a03d4fa14af68d5eecdeda00fd47fd00d5d584ed6be63064e2105537ce0c4832479aac7286ea6b7cff219f6

Download Submit
memory/216-17-0x0000000002110000-0x0000000002116000-memory.dmp

Filesize
24KB

Download
memory/216-23-0x0000000000700000-0x0000000000706000-memory.dmp

Filesize
24KB

Download
memory/3344-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/3344-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/3344-2-0x00000000023C0000-0x00000000023C6000-memory.dmp

Filesize
24KB

Download