3f6f912a288b0452ab16d06ea2a8f85ba833bf1f3ace0195770e797cb61ee0e6

Analysis

max time kernel
144s
max time network
148s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 11:29

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General

Target

2024-02-03_5eca3d9d2bb3bcbe6b4ce3ec98da4f78_cryptolocker.exe
Size

37KB
MD5

5eca3d9d2bb3bcbe6b4ce3ec98da4f78
SHA1

11ee05c7ccdd2838c02a6a15aca22c9cd62e3cd9
SHA256

3f6f912a288b0452ab16d06ea2a8f85ba833bf1f3ace0195770e797cb61ee0e6
SHA512

0e72add2f4cfa82594f9f954605b9f707366ac327bc64ab92438730a751259e03a7b19289d1b39d20370290b8f781dc9b87a14ff94b646f1e07fcac86c979050
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3Oj:bxNrC7kYo1Fxf3s06gYj

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001223b-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2712	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
3068	2024-02-03_5eca3d9d2bb3bcbe6b4ce3ec98da4f78_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 3068 wrote to memory of 2712	3068	2024-02-03_5eca3d9d2bb3bcbe6b4ce3ec98da4f78_cryptolocker.exe	28
PID 3068 wrote to memory of 2712	3068	2024-02-03_5eca3d9d2bb3bcbe6b4ce3ec98da4f78_cryptolocker.exe	28
PID 3068 wrote to memory of 2712	3068	2024-02-03_5eca3d9d2bb3bcbe6b4ce3ec98da4f78_cryptolocker.exe	28
PID 3068 wrote to memory of 2712	3068	2024-02-03_5eca3d9d2bb3bcbe6b4ce3ec98da4f78_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-03_5eca3d9d2bb3bcbe6b4ce3ec98da4f78_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-03_5eca3d9d2bb3bcbe6b4ce3ec98da4f78_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2712

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
37KB

MD5
aed364c328ed17f56eb7380276da7a97

SHA1
fe90f1ff22ee66a7f25b2bd61f8a41bd030318fd

SHA256
c4864fe0f0e7c90ba7ddcc7882decf1a13bf88d4cb7ad6a5e687d8c78248da7e

SHA512
8d4b60159243f7b03ae50f517224dbd3421a5ef3a6a075dbe91ab3484780ed09304d17b2d93fe4109aa5cd216c9b01baaa85734fd5de05cab6d807d4d9667282

Download Submit
memory/2712-15-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2712-17-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/3068-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/3068-1-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/3068-2-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download