0d2c17730f46e96cfccfaae6e9482274659350e10fd3e3970eee6a0f02ffd6dc

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 03:37

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General

Target

2024-05-24_4cb60fb1184f33ab7cf7fe71a94baba2_cryptolocker.exe
Size

74KB
MD5

4cb60fb1184f33ab7cf7fe71a94baba2
SHA1

ac4d4f957b28db5be807a09e747bb194912f4750
SHA256

0d2c17730f46e96cfccfaae6e9482274659350e10fd3e3970eee6a0f02ffd6dc
SHA512

496d051c1b77d5a72a57030c27a73ec01c6edbb29d8fd05e7347cccf253746fa035ee63b8e368df63b001d7397d317adda0ad68a36ecf62ebaf29c68bf107146
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1svra:X6a+SOtEvwDpjBZYvQd28e

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001227b-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001227b-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2884	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3008	2024-05-24_4cb60fb1184f33ab7cf7fe71a94baba2_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 3008 wrote to memory of 2884	3008	2024-05-24_4cb60fb1184f33ab7cf7fe71a94baba2_cryptolocker.exe	28
PID 3008 wrote to memory of 2884	3008	2024-05-24_4cb60fb1184f33ab7cf7fe71a94baba2_cryptolocker.exe	28
PID 3008 wrote to memory of 2884	3008	2024-05-24_4cb60fb1184f33ab7cf7fe71a94baba2_cryptolocker.exe	28
PID 3008 wrote to memory of 2884	3008	2024-05-24_4cb60fb1184f33ab7cf7fe71a94baba2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-24_4cb60fb1184f33ab7cf7fe71a94baba2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-24_4cb60fb1184f33ab7cf7fe71a94baba2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2884

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\asih.exe

Filesize
74KB

MD5
292dd99514cb02276c2fea9dd62b1d66

SHA1
8e15855443c095430d740aa9d6ba0959172089da

SHA256
2c0392cce23c36e70c4cd454d1557dda5aa99c63e5fda9d5ab77537b484829f6

SHA512
88a9fc234d32f7e042d95b95f7e2c4aeb2caa8728c6c5bae21527d14e0aaf32509c6c27564c51db20b4079db15d53e1eb7121b93df0ccf11777eb10a6f22ebae

Download Submit
memory/2884-15-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2884-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3008-0-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/3008-1-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/3008-8-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download