9e248e6d05904b4437f34fae80fa7bb657a554251dcb78b5be4469ee44392ff1

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 18:03

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General

Target

2024-03-06_e09611ca59248da0cc149073081306a0_cryptolocker.exe
Size

100KB
MD5

e09611ca59248da0cc149073081306a0
SHA1

3537a1fdac63421b328a73b43e13ab2b894ea932
SHA256

9e248e6d05904b4437f34fae80fa7bb657a554251dcb78b5be4469ee44392ff1
SHA512

48265445de1d4bb38b3b788dbd691dfe4da54501256cafddd29b9beccc8a39f7c51447da41d60f4df64b53fd734be7ce64a57ef07d0895586b16559c82f6cb23
SSDEEP

768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjz/669U:i5nkFGMOtEvwDpjNbwQEIikrtU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral2/memory/5080-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/files/0x0007000000023210-13.dat	CryptoLocker_rule2
behavioral2/memory/3276-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/5080-18-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/3276-27-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 3 IoCs

resource	yara_rule
behavioral2/memory/3276-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral2/memory/5080-18-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral2/memory/3276-27-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/5080-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0007000000023210-13.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3276-17-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5080-18-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3276-27-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

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-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	2024-03-06_e09611ca59248da0cc149073081306a0_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3276	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 5080 wrote to memory of 3276	5080	2024-03-06_e09611ca59248da0cc149073081306a0_cryptolocker.exe	91
PID 5080 wrote to memory of 3276	5080	2024-03-06_e09611ca59248da0cc149073081306a0_cryptolocker.exe	91
PID 5080 wrote to memory of 3276	5080	2024-03-06_e09611ca59248da0cc149073081306a0_cryptolocker.exe	91

C:\Users\Admin\AppData\Local\Temp\2024-03-06_e09611ca59248da0cc149073081306a0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-06_e09611ca59248da0cc149073081306a0_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3276

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
100KB

MD5
c9758e72145c006f6489a46bfa3225ec

SHA1
b790ddd59112815a5e034bfaa44eb4c0ce4402bd

SHA256
560be8c5c3f7f3dcc0b5dcbde297258a7ee3cec59c2955faa1528bbeed9f8fa7

SHA512
72136f9656054e2c333ad6c63edb73726ce3f8388e6c8ab4aa251f101e3e8d407a4c7365a7a599be9aa01a369a47101ff73d5681591bcd76912f6ecf9c8aa8e4

Download Submit
memory/3276-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3276-20-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/3276-26-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3276-27-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/5080-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/5080-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/5080-2-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/5080-3-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/5080-18-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download