bba54744ede5477af9a9d264a8a1b8e558faceb4f09af989430ba016d8bf0b0d

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
23/02/2024, 12:40

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General

Target

2024-02-23_66a87cca044572cfd5ed5764924b1bb7_cryptolocker.exe
Size

37KB
MD5

66a87cca044572cfd5ed5764924b1bb7
SHA1

5190a294400435856f7eedaa3a06f7db2dc2eecf
SHA256

bba54744ede5477af9a9d264a8a1b8e558faceb4f09af989430ba016d8bf0b0d
SHA512

3b6dfde273b7d5c5c54371afec54d81b21e8548fd98e57efedf24b5215a870a2377c20b36382402df26b1ee8657e31c5e97d8d3d56127320b8e35c8990589758
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3u:bxNrC7kYo1Fxf3s06gU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012253-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2508	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
1656	2024-02-23_66a87cca044572cfd5ed5764924b1bb7_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 1656 wrote to memory of 2508	1656	2024-02-23_66a87cca044572cfd5ed5764924b1bb7_cryptolocker.exe	28
PID 1656 wrote to memory of 2508	1656	2024-02-23_66a87cca044572cfd5ed5764924b1bb7_cryptolocker.exe	28
PID 1656 wrote to memory of 2508	1656	2024-02-23_66a87cca044572cfd5ed5764924b1bb7_cryptolocker.exe	28
PID 1656 wrote to memory of 2508	1656	2024-02-23_66a87cca044572cfd5ed5764924b1bb7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-23_66a87cca044572cfd5ed5764924b1bb7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-23_66a87cca044572cfd5ed5764924b1bb7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2508

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
3f70d93aa4a3f351f73e4551ff3c29fc

SHA1
f25c8d5f03a1200011fbbd637c5039256088b35b

SHA256
c59bd51a2b57029b4927c66b221dc7737ff70116876ab0bc43ed0b860041f08b

SHA512
147b8f558bbb91a90c1d225b4934dcfbf0799fdfc069b626f33960192b9bbdf9ba446d7bf7a0faecbf97cafd0b6a49af192efb0e1a14052b68aa1b598f1ad75f

Download Submit
memory/1656-0-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/1656-1-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/1656-8-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/2508-15-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/2508-22-0x0000000002920000-0x0000000002926000-memory.dmp

Filesize
24KB

Download