dff847b978992822dd53211de648f101943c00e8704f80bb32193231561dd97c

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-02-2024 17:41

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General

Target

2024-02-24_5144aa7d2658bbbf749a3b7f237cea60_cryptolocker.exe
Size

35KB
MD5

5144aa7d2658bbbf749a3b7f237cea60
SHA1

ea672c69cc635ed58d67e2b04598b3cf27eca697
SHA256

dff847b978992822dd53211de648f101943c00e8704f80bb32193231561dd97c
SHA512

bf6efa9d46368b2e503be7b5a4124e941b6bee7555ecd19f6020f63fa137b9438790bb120e9a87617678b2207963d24bb0ce04db35fede0ff5d95fb926bc69ef
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEn:bxNrC7kYo1Fxf3s06n

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012262-22.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2716	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2244	2024-02-24_5144aa7d2658bbbf749a3b7f237cea60_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 2244 wrote to memory of 2716	2244	2024-02-24_5144aa7d2658bbbf749a3b7f237cea60_cryptolocker.exe	1
PID 2244 wrote to memory of 2716	2244	2024-02-24_5144aa7d2658bbbf749a3b7f237cea60_cryptolocker.exe	1
PID 2244 wrote to memory of 2716	2244	2024-02-24_5144aa7d2658bbbf749a3b7f237cea60_cryptolocker.exe	1
PID 2244 wrote to memory of 2716	2244	2024-02-24_5144aa7d2658bbbf749a3b7f237cea60_cryptolocker.exe	1

C:\Users\Admin\AppData\Local\Temp\pissa.exe
"C:\Users\Admin\AppData\Local\Temp\pissa.exe"
1⤵
- Executes dropped EXE
PID:2716

C:\Users\Admin\AppData\Local\Temp\2024-02-24_5144aa7d2658bbbf749a3b7f237cea60_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-24_5144aa7d2658bbbf749a3b7f237cea60_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2244

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
35KB

MD5
ecd986c71b862c68bf80430ec7380775

SHA1
bd6ad1cd5c17ea560f6a5ca4e50a8545026433de

SHA256
2028ce08ed3f0969a7a45808b8a0f4cd963c811012e2df2236005da168622f86

SHA512
4d63f6207b80a0cb57993d9e2ba07f7a11a76de6a20cfdcf3ed0ea7a9534ab271efa3d36bcccaab5d12fb51adfe6b0c61873ee53bbebbadfeb30a3448e227c83

Download Submit
memory/2244-2-0x0000000001CC0000-0x0000000001CC6000-memory.dmp

Filesize
24KB

Download
memory/2244-1-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2244-0-0x0000000001CC0000-0x0000000001CC6000-memory.dmp

Filesize
24KB

Download
memory/2716-20-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2716-15-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download