08b5039a72c51b4bde1219796526d0ed37d513c31f01ae6afae5a06195cde086

Analysis

max time kernel
104s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
24/01/2024, 01:02

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General

Target

2024-01-24_12080cbbd800d6a4fa3e94c0578e8ef1_cryptolocker.exe
Size

42KB
MD5

12080cbbd800d6a4fa3e94c0578e8ef1
SHA1

ff984e8a5b230e7be5c70cfc0fab5129ac86eac5
SHA256

08b5039a72c51b4bde1219796526d0ed37d513c31f01ae6afae5a06195cde086
SHA512

742089bb0c7b7c6159f19754ddf10287b1bf89908ffe291647557271530cd91a6ecfe483bbbc50c2612afdcded68f5b2b93b08e491f83c6896011ac3a6fa950e
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFp13/7NS:bxNrC7kYo1Fxf3s05rwxbF73Q

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a1a-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2388	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2792	2024-01-24_12080cbbd800d6a4fa3e94c0578e8ef1_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 2792 wrote to memory of 2388	2792	2024-01-24_12080cbbd800d6a4fa3e94c0578e8ef1_cryptolocker.exe	24
PID 2792 wrote to memory of 2388	2792	2024-01-24_12080cbbd800d6a4fa3e94c0578e8ef1_cryptolocker.exe	24
PID 2792 wrote to memory of 2388	2792	2024-01-24_12080cbbd800d6a4fa3e94c0578e8ef1_cryptolocker.exe	24
PID 2792 wrote to memory of 2388	2792	2024-01-24_12080cbbd800d6a4fa3e94c0578e8ef1_cryptolocker.exe	24

C:\Users\Admin\AppData\Local\Temp\2024-01-24_12080cbbd800d6a4fa3e94c0578e8ef1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-24_12080cbbd800d6a4fa3e94c0578e8ef1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2388

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\pissa.exe

Filesize
42KB

MD5
7f72c0bcfb26a58d53809c5b86a06c45

SHA1
a453143fce667fb1865c2f1904ef6eaa62cd9e13

SHA256
4d5868a240582528a7cf4227d7f6088d3706ac0fc525dc93c89e82130607a0ad

SHA512
e1a5362a1d6031f6cca3fbb3a85b041fe06178d7da062e31192368dfeb025e0d7aa0477217f4792540aa43285df08627d60b6d00556da56bd5e720a4d452612f

Download Submit
memory/2388-15-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2388-21-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2792-0-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2792-8-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2792-1-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download