fdbce51b59793a0fd25784b15ac7f4b982e5e2222a41616b835ac158dd637204

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 23:32

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General

Target

2024-02-22_9a6e2b72360532bca2979b6b5abd841d_cryptolocker.exe
Size

38KB
MD5

9a6e2b72360532bca2979b6b5abd841d
SHA1

efce25289cf3ac33dcea3f8f63c3c256283e6d07
SHA256

fdbce51b59793a0fd25784b15ac7f4b982e5e2222a41616b835ac158dd637204
SHA512

4b1a4077b150335900b9710db0bcccbfc774ea334b314aa328a2d2863a6e642eb3bd1dae56e3b2d7985455d134e066a46b8e0cd8138a7278bf7ea9559c6760f3
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3OxP:bxNrC7kYo1Fxf3s06gYp

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012302-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3064	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2400	2024-02-22_9a6e2b72360532bca2979b6b5abd841d_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 2400 wrote to memory of 3064	2400	2024-02-22_9a6e2b72360532bca2979b6b5abd841d_cryptolocker.exe	28
PID 2400 wrote to memory of 3064	2400	2024-02-22_9a6e2b72360532bca2979b6b5abd841d_cryptolocker.exe	28
PID 2400 wrote to memory of 3064	2400	2024-02-22_9a6e2b72360532bca2979b6b5abd841d_cryptolocker.exe	28
PID 2400 wrote to memory of 3064	2400	2024-02-22_9a6e2b72360532bca2979b6b5abd841d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_9a6e2b72360532bca2979b6b5abd841d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_9a6e2b72360532bca2979b6b5abd841d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:3064

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
38KB

MD5
ead2bd6b3007904eee72bfd363eec181

SHA1
42e76f8a99fc295a569a57b33281e77842ebba1f

SHA256
f8a293c4ba6a44431803dc06b1f251f7f56c6e5b048eecc3efe8e127b27f3734

SHA512
03019dd9f5875f7ec819fab95041457f472a42051e4b77e218b58466380d03fcecc746ea24f4560d19d76f33d76aa9ee12899633056cd31c994094c427e59acc

Download Submit
memory/2400-0-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2400-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2400-8-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/3064-15-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/3064-18-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download