e6d74a94f2605bbc00a3f92d17835314c52432f8edf96e61e9692efc0ff0ee1d

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11-06-2024 18:57

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-06-11_6baa6960ea8c7fcbb9bf156db17469f5_cryptolocker.exe
Size

53KB
MD5

6baa6960ea8c7fcbb9bf156db17469f5
SHA1

b8000fb09549ce296fd9e31270e5e4378c9b1b7d
SHA256

e6d74a94f2605bbc00a3f92d17835314c52432f8edf96e61e9692efc0ff0ee1d
SHA512

dea2e2fdb0d0b8c9a8ff4f8e61b7c9cc3fcfdc92ca26d500364f8279e9207ed78416a5e355f7bb232ab6280a1dbcf9703075a2a4e46a72b19e45fe3aed029471
SSDEEP

768:79inqyNR/QtOOtEvwDpjBK/rJ+Nw8qnTHGfidw:79mqyNhQMOtEvwDpjBxe8GGf7

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 3 IoCs

resource	yara_rule
behavioral1/memory/1848-8-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c0000000167ef-14.dat	CryptoLocker_rule2
behavioral1/memory/2944-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 3 IoCs

resource	yara_rule
behavioral1/memory/1848-8-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c0000000167ef-14.dat	CryptoLocker_set1
behavioral1/memory/2944-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2944	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1848	2024-06-11_6baa6960ea8c7fcbb9bf156db17469f5_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 1848 wrote to memory of 2944	1848	2024-06-11_6baa6960ea8c7fcbb9bf156db17469f5_cryptolocker.exe	28
PID 1848 wrote to memory of 2944	1848	2024-06-11_6baa6960ea8c7fcbb9bf156db17469f5_cryptolocker.exe	28
PID 1848 wrote to memory of 2944	1848	2024-06-11_6baa6960ea8c7fcbb9bf156db17469f5_cryptolocker.exe	28
PID 1848 wrote to memory of 2944	1848	2024-06-11_6baa6960ea8c7fcbb9bf156db17469f5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-11_6baa6960ea8c7fcbb9bf156db17469f5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_6baa6960ea8c7fcbb9bf156db17469f5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2944

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
53KB

MD5
f1888cc4f1f0f06f86bf3afc485c5d32

SHA1
52795ff8eb17a6066851c4d25c5a0558a7f211ce

SHA256
b7dc7262be114a1924328ae86e2ccd86af87c2dcc92cff3d4f897665b8dce02d

SHA512
c64a3b4d765fef6ee60346c5e0ab18a6895a1457a39c62fa2bdfbe1e246a60dec615880d4f3a8f01e696345fe06771ee11a8bfc9b13d39289c53adf60fb5efbc

Download Submit
memory/1848-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1848-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1848-9-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1848-8-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2944-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2944-24-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download