ffd02132783e7bae8534e18e92e41953ca72576d01ffd4ba0920ae1c98c02413

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21/02/2024, 13:55

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General

Target

2024-02-21_9635892324429cd18feb339ae78f51be_cryptolocker.exe
Size

42KB
MD5

9635892324429cd18feb339ae78f51be
SHA1

495be9cf04a0e572800e10c5a326494dc74b5f4a
SHA256

ffd02132783e7bae8534e18e92e41953ca72576d01ffd4ba0920ae1c98c02413
SHA512

3f24fbfbf5cf3fddad4100fa9edf93fc5d7540ff422615dc2006083b18928e7baec0dc8b12f9e422d5dc62e4b3654d89b5b9d4f14475df67930bcbbecc3b4304
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFp1Z:bxNrC7kYo1Fxf3s05rwxbF7Z

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012247-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2356	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2436	2024-02-21_9635892324429cd18feb339ae78f51be_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 2436 wrote to memory of 2356	2436	2024-02-21_9635892324429cd18feb339ae78f51be_cryptolocker.exe	28
PID 2436 wrote to memory of 2356	2436	2024-02-21_9635892324429cd18feb339ae78f51be_cryptolocker.exe	28
PID 2436 wrote to memory of 2356	2436	2024-02-21_9635892324429cd18feb339ae78f51be_cryptolocker.exe	28
PID 2436 wrote to memory of 2356	2436	2024-02-21_9635892324429cd18feb339ae78f51be_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-21_9635892324429cd18feb339ae78f51be_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_9635892324429cd18feb339ae78f51be_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2356

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\pissa.exe

Filesize
42KB

MD5
56dbce3d291c22d436dd55e2ef46c7e5

SHA1
cc7aafe2ff349670e6e6e7078e410738ad9d59b0

SHA256
91cc6098714cd6ac3fbbf249fe64488dc7fa320d5526a04802ef9773f89beb53

SHA512
a82d21a25f07054f869d829ea6e56af745314846baf2617a10268a68f62b374c511ae6609f0e4624e86934c4c3ccec72d9ae2fa0c1a5fa8ce040733e27c14bd9

Download Submit
memory/2356-15-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/2356-20-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2436-0-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2436-1-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2436-5-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download