fd13f2af97597eace10d5b889a6d63d29bf9feb0b6d157cabed4e854058e2a89

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
23-02-2024 10:52

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General

Target

2024-02-23_88c83747f0caf9e12dfbcdc25cfb76df_cryptolocker.exe
Size

59KB
MD5

88c83747f0caf9e12dfbcdc25cfb76df
SHA1

0584031e0ae0a11d0ace8a20751c3751c107a875
SHA256

fd13f2af97597eace10d5b889a6d63d29bf9feb0b6d157cabed4e854058e2a89
SHA512

ba141c9e18c5a914a4c8b17602ffa706316b157681340fb23e9180857506ef14f6a23c277def8d434c5541def40f7b9dd2ae27f219c59457d801a28975ae34ab
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj38lD/cMAT+lBOu:ZVxkGOtEvwDpjC

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023204-13.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-1-5-21-2828415587-3732861812-1919322417-1000\Control Panel\International\Geo\Nation	2024-02-23_88c83747f0caf9e12dfbcdc25cfb76df_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1292	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 376 wrote to memory of 1292	376	2024-02-23_88c83747f0caf9e12dfbcdc25cfb76df_cryptolocker.exe	88
PID 376 wrote to memory of 1292	376	2024-02-23_88c83747f0caf9e12dfbcdc25cfb76df_cryptolocker.exe	88
PID 376 wrote to memory of 1292	376	2024-02-23_88c83747f0caf9e12dfbcdc25cfb76df_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-02-23_88c83747f0caf9e12dfbcdc25cfb76df_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-23_88c83747f0caf9e12dfbcdc25cfb76df_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:376
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1292

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
59KB

MD5
ac6cf850968a1f9eaa730563db257965

SHA1
b6f5154aa97c49a740fe0dc7a4e2799b5ea42915

SHA256
9fb626beef9999a2a2c6f2190deb1a68530c04eabc2f175c66b3e8cf41e94041

SHA512
597bc6eb54d17cba2435474e6badb647cc24815d8980860a4417848c7e3fdbf186129f6d39bbdc71b14e644448dc2b61a61ee49cccc2c8d77f230ce7e9a194a1

Download Submit
memory/376-0-0x0000000000410000-0x0000000000413000-memory.dmp

Filesize
12KB

Download
memory/376-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/376-2-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/376-3-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/376-19-0x0000000000410000-0x0000000000413000-memory.dmp

Filesize
12KB

Download
memory/1292-17-0x0000000000460000-0x00000000004A0000-memory.dmp

Filesize
256KB

Download
memory/1292-21-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1292-20-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/1292-27-0x0000000000460000-0x00000000004A0000-memory.dmp

Filesize
256KB

Download