ba25df64fd0f072455ff186577a2ba7c7faad282a642680bbd40d78a7e01eb7f

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-03-2024 21:28

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General

Target

2024-03-19_4ab389ec1d1ad6d9b11e8f3bd524744b_cryptolocker.exe
Size

127KB
MD5

4ab389ec1d1ad6d9b11e8f3bd524744b
SHA1

e53cf94285eb45c1c4941e33768496eeab86a70a
SHA256

ba25df64fd0f072455ff186577a2ba7c7faad282a642680bbd40d78a7e01eb7f
SHA512

64770ac99d4051fee6115ca6cb373c2d95662a46e6930086e7cb6b22918762d05bd0d7ed4d1c9957dcc89c57bec7e6e03486e24def48feeb6c70a01d263e61a9
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpVSE:vCA9OtEvwDpjD

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012255-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012255-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2216	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1712	2024-03-19_4ab389ec1d1ad6d9b11e8f3bd524744b_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 1712 wrote to memory of 2216	1712	2024-03-19_4ab389ec1d1ad6d9b11e8f3bd524744b_cryptolocker.exe	28
PID 1712 wrote to memory of 2216	1712	2024-03-19_4ab389ec1d1ad6d9b11e8f3bd524744b_cryptolocker.exe	28
PID 1712 wrote to memory of 2216	1712	2024-03-19_4ab389ec1d1ad6d9b11e8f3bd524744b_cryptolocker.exe	28
PID 1712 wrote to memory of 2216	1712	2024-03-19_4ab389ec1d1ad6d9b11e8f3bd524744b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-19_4ab389ec1d1ad6d9b11e8f3bd524744b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_4ab389ec1d1ad6d9b11e8f3bd524744b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2216

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
127KB

MD5
a5e56786864c96448a1b7d7eea273245

SHA1
75913ee4543294bb4a065a8a77eab9bde3fbb060

SHA256
4c329f24558fcc766490c0c87ea1527838c7daeb8fb7633e1d3530044ce273f9

SHA512
6bdeb144fa9a8b92d4a3a67c3a05775ebd46578d25f682a5a854b562599dea01d43fbb7c2f48f1a62ac24ac75a1da0ef1222861b3cbab18e443a3273a7e4da9f

Download Submit
memory/1712-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1712-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1712-2-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2216-15-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2216-18-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download