53d10f7fa5a30342757e0e6447c052e0fe32bf569b2bffe24490ddd60ce312cd

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21/02/2024, 19:55

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General

Target

2024-02-21_b781316d94ab87634efe4eb8cc0d5d64_cryptolocker.exe
Size

48KB
MD5

b781316d94ab87634efe4eb8cc0d5d64
SHA1

5ee621e15205a366f3f7f8774419a7b468463031
SHA256

53d10f7fa5a30342757e0e6447c052e0fe32bf569b2bffe24490ddd60ce312cd
SHA512

595a18716effcbeeca91eddf3329d3c6a840a8835b5899375f46d12c087dfee468932426786dd33a6f49935a629997fd63d1a354296ba130b7d526abe3587b8a
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr46xdUUuuMCNbsu:vj+jsMQMOtEvwDpj5Hczer5ixuMeN

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001223f-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001223f-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2884	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1964	2024-02-21_b781316d94ab87634efe4eb8cc0d5d64_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 1964 wrote to memory of 2884	1964	2024-02-21_b781316d94ab87634efe4eb8cc0d5d64_cryptolocker.exe	28
PID 1964 wrote to memory of 2884	1964	2024-02-21_b781316d94ab87634efe4eb8cc0d5d64_cryptolocker.exe	28
PID 1964 wrote to memory of 2884	1964	2024-02-21_b781316d94ab87634efe4eb8cc0d5d64_cryptolocker.exe	28
PID 1964 wrote to memory of 2884	1964	2024-02-21_b781316d94ab87634efe4eb8cc0d5d64_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-21_b781316d94ab87634efe4eb8cc0d5d64_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_b781316d94ab87634efe4eb8cc0d5d64_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2884

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
48KB

MD5
3ce7219e27302be78a7c7ca90552e20b

SHA1
4a5830285c5a07b7e5e4f0dc84ae00392c7cc3fb

SHA256
8f8165c86e4922d3410f86ec81de940375d653258e9c9c0ffc3931ed38573425

SHA512
f05323a5775ae3ff804ad9782b6672fcf1b2ab959481d75f752b6e37f82a093352147179d705fc441484642bcbb8958d8fa8762bc449e9ade4c79c0ef883a42b

Download Submit
memory/1964-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1964-1-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1964-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2884-17-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download