db5eb4c4c39d21f4cbb4fd81a6b1a83149711d47e959433160b709b43575163e

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 02:42

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General

Target

2024-05-22_9a6000133533848edf99ad2eb927d1a4_cryptolocker.exe
Size

59KB
MD5

9a6000133533848edf99ad2eb927d1a4
SHA1

736a6e2fda031691b56521fbab0db9f85d691c94
SHA256

db5eb4c4c39d21f4cbb4fd81a6b1a83149711d47e959433160b709b43575163e
SHA512

433c3e11204ff5ebcf2f671c4b9aa83657ad70ba8cebedcd31837c4c7ff85fcbbe3c9ef2db144576456d721e02d0ad6b8ac59243b0a9ea079c24c623d0f58e90
SSDEEP

768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XGJ0:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWG0

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2204-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2
behavioral1/memory/2204-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2520-25-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2204-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1
behavioral1/memory/2204-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2520-25-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2520 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-22_9a6000133533848edf99ad2eb927d1a4_cryptolocker.exe

pid process

2204 2024-05-22_9a6000133533848edf99ad2eb927d1a4_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2520	misid.exe

pid	process
2204	2024-05-22_9a6000133533848edf99ad2eb927d1a4_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-22_9a6000133533848edf99ad2eb927d1a4_cryptolocker.exe

description	pid	process	target process
PID 2204 wrote to memory of 2520	2204	2024-05-22_9a6000133533848edf99ad2eb927d1a4_cryptolocker.exe	misid.exe
PID 2204 wrote to memory of 2520	2204	2024-05-22_9a6000133533848edf99ad2eb927d1a4_cryptolocker.exe	misid.exe
PID 2204 wrote to memory of 2520	2204	2024-05-22_9a6000133533848edf99ad2eb927d1a4_cryptolocker.exe	misid.exe
PID 2204 wrote to memory of 2520	2204	2024-05-22_9a6000133533848edf99ad2eb927d1a4_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-22_9a6000133533848edf99ad2eb927d1a4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_9a6000133533848edf99ad2eb927d1a4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2204

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Executes dropped EXE
PID:2520

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\misid.exe
Filesize
60KB

MD5
9eb57f8306b8f648420a648ad691c8ae

SHA1
9da850ac9cfab98981350e7ae6b91f03bc735f06

SHA256
1166821adf7f8de75583c1783bd4a973668311f944d1ac77ff9846e13bef3db9

SHA512
16c63b68c2ed2445abcfbad07a4e290f56ad8bb7ed278309db8cca2f29615e785e9505049d1711ca05f5837b129bf657848ca101ca3f309ed94c54cd23c0fce3

Download Submit
memory/2204-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2204-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2204-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2204-2-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2204-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2520-17-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2520-24-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2520-25-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download