db75ca581963fd28f90f94ae8ddf48bb5976a577426de94f1cb961da171c7426

Analysis

max time kernel
147s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 15:24

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General

Target

2024-05-21_05a2aadbf5d6f563d459ed920673c4ef_cryptolocker.exe
Size

48KB
MD5

05a2aadbf5d6f563d459ed920673c4ef
SHA1

5cf172f682b8c08cb59a3a5d58d915b5a4fbd163
SHA256

db75ca581963fd28f90f94ae8ddf48bb5976a577426de94f1cb961da171c7426
SHA512

da0c672f474264691ab6acff838a8229d330e2421441f7672312015a1c66fd026ccc5e2a6fbee96bda52602f40b586b02c5e50260349c6a219d85ea08bb14747
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nk:vj+jsMQMOtEvwDpj5HczerLO04BH

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000015a2d-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000015a2d-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3012	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2956	2024-05-21_05a2aadbf5d6f563d459ed920673c4ef_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 2956 wrote to memory of 3012	2956	2024-05-21_05a2aadbf5d6f563d459ed920673c4ef_cryptolocker.exe	28
PID 2956 wrote to memory of 3012	2956	2024-05-21_05a2aadbf5d6f563d459ed920673c4ef_cryptolocker.exe	28
PID 2956 wrote to memory of 3012	2956	2024-05-21_05a2aadbf5d6f563d459ed920673c4ef_cryptolocker.exe	28
PID 2956 wrote to memory of 3012	2956	2024-05-21_05a2aadbf5d6f563d459ed920673c4ef_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-21_05a2aadbf5d6f563d459ed920673c4ef_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-21_05a2aadbf5d6f563d459ed920673c4ef_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3012

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
49KB

MD5
3ec638db9b3242c3ec4dd8ea6f57bbf8

SHA1
e0018978686fe433969de07855124b622a0f001b

SHA256
56f730e1121d6e5381719b1cf009d819e99f87c59bb93a192ce8951f18e12728

SHA512
b9f0f36b1c6a308ec1e0162317a50485971de49c21218e1fa2515eaca79089b7e92b0ea3d3e200da573733c20d89fcc50f8a746648a244bae3f50e5f5df7399f

Download Submit
memory/2956-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2956-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2956-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3012-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3012-16-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download