ec40c0a8225f72b07313c2fe166085f2633ca8c25ad78250488a80ed52adf895

Analysis

max time kernel
145s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 11:35

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General

Target

2024-02-24_33eb90d1db36d12ee1722840549addef_cryptolocker.exe
Size

38KB
MD5

33eb90d1db36d12ee1722840549addef
SHA1

09a8c1bed3f4028f9fdae0092401638c90da0187
SHA256

ec40c0a8225f72b07313c2fe166085f2633ca8c25ad78250488a80ed52adf895
SHA512

09fb3eeba056d269eb6d24df4e36904407feb78cec3c645c6daa84869c74fe6d914aca46f86ef70f35ffbca6c3bb597fc527aa6e19106e475741861dcc68b44e
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLen7n+N:ZzFbxmLPWQMOtEvwDpjLe+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023127-12.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-1-5-21-3844919115-497234255-166257750-1000\Control Panel\International\Geo\Nation	2024-02-24_33eb90d1db36d12ee1722840549addef_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4760	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 1692 wrote to memory of 4760	1692	2024-02-24_33eb90d1db36d12ee1722840549addef_cryptolocker.exe	86
PID 1692 wrote to memory of 4760	1692	2024-02-24_33eb90d1db36d12ee1722840549addef_cryptolocker.exe	86
PID 1692 wrote to memory of 4760	1692	2024-02-24_33eb90d1db36d12ee1722840549addef_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-02-24_33eb90d1db36d12ee1722840549addef_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-24_33eb90d1db36d12ee1722840549addef_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4760

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
39KB

MD5
b13e19c4b5bbe41e81ec40e54a225b15

SHA1
786627381af22500d595f5f497ab3d0529690c28

SHA256
5812576331308840dd119afb90b6ae3115df7b29a15ac38dbea1a94110d37af8

SHA512
d73c507774f0cd07976e341fb2a431ecbccdc0c1f6b96dbcbc5017d8df436f684354c326296bcbc000e0f769c3b15f68a185ed15e2b2169c595a510bcc28c032

Download Submit
memory/1692-0-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/1692-1-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/1692-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/4760-16-0x0000000002300000-0x0000000002306000-memory.dmp

Filesize
24KB

Download
memory/4760-19-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/4760-18-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download