087ae20a6b5b1cfc4a103469391db5cbaa6915bff7629b1067a004c87bb94606

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-03-2024 16:51

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General

Target

2024-03-19_b0e3b2fc4cff0adbcf57e9136fdd27f1_cryptolocker.exe
Size

60KB
MD5

b0e3b2fc4cff0adbcf57e9136fdd27f1
SHA1

63ab7574d76da320bdae388b542d1281af5e29f1
SHA256

087ae20a6b5b1cfc4a103469391db5cbaa6915bff7629b1067a004c87bb94606
SHA512

27e8a11365da523990af273b8706bb0ecd7a2dc3a0f3f3874d8e2a754f624e103c76a21ba7c69a563142b7a1a403f78f8929c314e0144dbdc001e682d67eecdf
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCY8EQMjpi/Wpi3B3URiLnuoUwUsfqB1D:vj+jsMQMOtEvwDpj5Hy7B3gG8xzUIN

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000000e655-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000000e655-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2504	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	2024-03-19_b0e3b2fc4cff0adbcf57e9136fdd27f1_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 2180 wrote to memory of 2504	2180	2024-03-19_b0e3b2fc4cff0adbcf57e9136fdd27f1_cryptolocker.exe	28
PID 2180 wrote to memory of 2504	2180	2024-03-19_b0e3b2fc4cff0adbcf57e9136fdd27f1_cryptolocker.exe	28
PID 2180 wrote to memory of 2504	2180	2024-03-19_b0e3b2fc4cff0adbcf57e9136fdd27f1_cryptolocker.exe	28
PID 2180 wrote to memory of 2504	2180	2024-03-19_b0e3b2fc4cff0adbcf57e9136fdd27f1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-19_b0e3b2fc4cff0adbcf57e9136fdd27f1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_b0e3b2fc4cff0adbcf57e9136fdd27f1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2504

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

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

Filesize
60KB

MD5
e70bd481397b5d1f503d680e654a3030

SHA1
7f37c8666022b313dc08c864dea8b5b3de910900

SHA256
07ff804b6c517d053fa27dddf488f634b801976e40acb85cf8fec6dc7e297d88

SHA512
ead63586380b92eeed93467c595be8c1336cac14e12d015660b3970a9889e5116bae11b5f85e5dfb7764e48d7a4b37be7510728aecfe211b9577b0fc462bf79b

Download Submit
memory/2180-0-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2180-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2180-2-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2504-16-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2504-15-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download