2e2f2d26a8be46e2f1d0047e9dd12247ccd40c0b5d0f9e208cfa28af4c88d225

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/06/2024, 05:22

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General

Target

2024-06-20_16abdc75a8c1331da3d1921cd30adbed_cryptolocker.exe
Size

62KB
MD5

16abdc75a8c1331da3d1921cd30adbed
SHA1

cb1ac202da70089b51dc3d28262594dc3234af3f
SHA256

2e2f2d26a8be46e2f1d0047e9dd12247ccd40c0b5d0f9e208cfa28af4c88d225
SHA512

0ac7e3becd52205f67e6f6c2551261df98debd361ae33a905d404ab90499f8d4c70325bef5b961661ea194f79136a1a4b8badd542631c856978999e49795f7a8
SSDEEP

768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG9B:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral2/memory/2644-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral2/files/0x000700000002328e-13.dat	CryptoLocker_rule2
behavioral2/memory/2484-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/2644-18-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/2484-27-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral2/memory/2644-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral2/files/0x000700000002328e-13.dat	CryptoLocker_set1
behavioral2/memory/2484-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral2/memory/2644-18-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral2/memory/2484-27-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	2024-06-20_16abdc75a8c1331da3d1921cd30adbed_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2484	misid.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 2644 wrote to memory of 2484	2644	2024-06-20_16abdc75a8c1331da3d1921cd30adbed_cryptolocker.exe	82
PID 2644 wrote to memory of 2484	2644	2024-06-20_16abdc75a8c1331da3d1921cd30adbed_cryptolocker.exe	82
PID 2644 wrote to memory of 2484	2644	2024-06-20_16abdc75a8c1331da3d1921cd30adbed_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-06-20_16abdc75a8c1331da3d1921cd30adbed_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-20_16abdc75a8c1331da3d1921cd30adbed_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2484

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\misid.exe

Filesize
62KB

MD5
e0feadb9ada0e59d26a6565120ef8d0f

SHA1
e753605f92c288e287dccd91951cc1e66aa5aeb7

SHA256
6d20e788b2f075b87c4ee345c83e0d721fda6275c207a6752f51b6e487e74fc3

SHA512
58c1b9b6a15ad1090ba3f2d4719b513e1b3e0050b5427cda802b5b0add4144258d3d9b9dd5116a12521a8432e428cc42514c9bd805816c5ae7ba6f7a6c1a7ecf

Download Submit
memory/2484-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2484-20-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/2484-26-0x00000000007B0000-0x00000000007B6000-memory.dmp

Filesize
24KB

Download
memory/2484-27-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2644-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2644-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2644-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2644-9-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2644-18-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download