eea50c285ede134329dcf7cb319b9e57974415ce0091931e3d641e85204afb95

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
16-06-2024 18:25

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General

Target

2024-06-16_1ed5256e259464cff746ecbb0edc6140_cryptolocker.exe
Size

71KB
MD5

1ed5256e259464cff746ecbb0edc6140
SHA1

b6f7817dba8d2cfb2717420528cc6f9c9492eec1
SHA256

eea50c285ede134329dcf7cb319b9e57974415ce0091931e3d641e85204afb95
SHA512

5e08a7e5ed1572c9dc14b1c5c1b0211da4ed1510ad71b97a0b72e5bf0260deec82b2d8851882e9d2de9dc3bab3456724380ba370ce62182a5cf14bc51056b239
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZOq:DW60sllyWOtEvwDpjwF85B

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2028-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x00090000000122d6-11.dat	CryptoLocker_rule2
behavioral1/memory/2028-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2956-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2028-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x00090000000122d6-11.dat	CryptoLocker_set1
behavioral1/memory/2028-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2956-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2956	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2028	2024-06-16_1ed5256e259464cff746ecbb0edc6140_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 2028 wrote to memory of 2956	2028	2024-06-16_1ed5256e259464cff746ecbb0edc6140_cryptolocker.exe	28
PID 2028 wrote to memory of 2956	2028	2024-06-16_1ed5256e259464cff746ecbb0edc6140_cryptolocker.exe	28
PID 2028 wrote to memory of 2956	2028	2024-06-16_1ed5256e259464cff746ecbb0edc6140_cryptolocker.exe	28
PID 2028 wrote to memory of 2956	2028	2024-06-16_1ed5256e259464cff746ecbb0edc6140_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-16_1ed5256e259464cff746ecbb0edc6140_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-16_1ed5256e259464cff746ecbb0edc6140_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2956

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\asih.exe

Filesize
72KB

MD5
e7ef9baac3b79a7a2f46d0589d972674

SHA1
f37be5502050f9c392ac439d52bd0f65c21bd467

SHA256
64539cfd8a83f40908d5c73d6a52404252b6a266c672859bce0f9feb4e4743e1

SHA512
1f667d58461ea91ef61282f1850148916206bef24492c248f1fe7ee5f52ef64d5f9c5354c7c494df3976e37801d20cc1c0c1e0a105ad2f384fa69aa8a67c0052

Download Submit
memory/2028-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2028-1-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2028-2-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2028-9-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2028-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2956-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2956-18-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2956-25-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download