95d413a7000616e92eb4d88ab4da199e9c36015850b9e0908551b73fb9d80746

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/01/2024, 01:03

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General

Target

2024-01-25_9f4d8b977e7d4e32beaa4e0ab874076e_cryptolocker.exe
Size

124KB
MD5

9f4d8b977e7d4e32beaa4e0ab874076e
SHA1

d9ac9fff5bd7631e443052d1161ecc20d6567c6e
SHA256

95d413a7000616e92eb4d88ab4da199e9c36015850b9e0908551b73fb9d80746
SHA512

7cf2810e2894f2a631454d34a3e22ca3ce0524504f5268e276b9a46862dba8a227ad12901e874944811b9ade6cada7708b7d1f3e32bda836744afc0fefbdf088
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBg:vCA9OtEvwDpjO

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
292	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2912	2024-01-25_9f4d8b977e7d4e32beaa4e0ab874076e_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 292	2912	2024-01-25_9f4d8b977e7d4e32beaa4e0ab874076e_cryptolocker.exe	28
PID 2912 wrote to memory of 292	2912	2024-01-25_9f4d8b977e7d4e32beaa4e0ab874076e_cryptolocker.exe	28
PID 2912 wrote to memory of 292	2912	2024-01-25_9f4d8b977e7d4e32beaa4e0ab874076e_cryptolocker.exe	28
PID 2912 wrote to memory of 292	2912	2024-01-25_9f4d8b977e7d4e32beaa4e0ab874076e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-25_9f4d8b977e7d4e32beaa4e0ab874076e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_9f4d8b977e7d4e32beaa4e0ab874076e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:292

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
124KB

MD5
9ca5256b2678e089912544d8bf0a0117

SHA1
e1f32af2807dd9eb4a997e3661745a66570bbedd

SHA256
5d99ef2d7488537259a6c1f5bc2eb937ff8f3807c6b0f38011634392097774a0

SHA512
34756a3abc38cc4f27c207961406b95ccbaf8afa11ef7280be9c24a83ee155f4ba46e3c9353338de5ca452ef22b72cba5511c594581e161ea9661e24607acf3a

Download Submit
memory/292-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/292-22-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2912-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2912-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2912-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download