98936e98fa5f384af1dad90fbad057e33b6a39797cd9352f51efc4373c330abb

Analysis

max time kernel
142s
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
22/02/2024, 05:27

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General

Target

2024-02-22_be27260486b233855c829698fde082b5_cryptolocker.exe
Size

37KB
MD5

be27260486b233855c829698fde082b5
SHA1

2e9bcaa44bcb5080b66cc950c11ba6d6cb6786bf
SHA256

98936e98fa5f384af1dad90fbad057e33b6a39797cd9352f51efc4373c330abb
SHA512

482cb108ad818a39c4a24dd4284beba30aafa8c74ad9adf6ed46eed34278bfcdb7fd35e3119d7615ccdc3dbaa8e9c88d400ba38a78abe1746a871a06e520d76b
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenh4:ZzFbxmLPWQMOtEvwDpjLeK

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023101-13.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	2024-02-22_be27260486b233855c829698fde082b5_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4140	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 2252 wrote to memory of 4140	2252	2024-02-22_be27260486b233855c829698fde082b5_cryptolocker.exe	83
PID 2252 wrote to memory of 4140	2252	2024-02-22_be27260486b233855c829698fde082b5_cryptolocker.exe	83
PID 2252 wrote to memory of 4140	2252	2024-02-22_be27260486b233855c829698fde082b5_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-02-22_be27260486b233855c829698fde082b5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_be27260486b233855c829698fde082b5_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:4140

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
37KB

MD5
4fe8fe482d02b3d70003fd56edc9c563

SHA1
9dba6a4c13f51f258bfb32413a59dc1f000b7626

SHA256
aa03cf74fd878942a8e128e0d7fbe641676c107074594ab318febbb68097351f

SHA512
7e00dc0aabb4d4db26826b5b27befef8aadb1e47a94e54be3bca319e6c00a688b5868975054f10ac5b801d8429f2b630b288be9af320177bd25aea45e69e55c0

Download Submit
memory/2252-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/2252-1-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/2252-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/2252-3-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/2252-20-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/4140-17-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/4140-21-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/4140-19-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/4140-27-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download