d873f8992b552618fe86244832ab1b79b975156a2ee1ebb8e42f3fa9ae8699d5

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/03/2024, 00:41

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General

Target

2024-03-29_10ec633b441d8113d2a82f3c9447a0c8_cryptolocker.exe
Size

50KB
MD5

10ec633b441d8113d2a82f3c9447a0c8
SHA1

d56b3cc0fea8f6626754b0011563151628ca97c5
SHA256

d873f8992b552618fe86244832ab1b79b975156a2ee1ebb8e42f3fa9ae8699d5
SHA512

923214b0786231a2d39cf337583d4d215edc512111afeb6d8f78fabe0a1a820095f0d1b993970c08385b609d421e94e10b4673f3a726e74fc8554d9f4ddf561d
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CSO/m:bgGYcA/53GAA6y37Q6dI+d5Gm

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1388	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
3060	2024-03-29_10ec633b441d8113d2a82f3c9447a0c8_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 3060 wrote to memory of 1388	3060	2024-03-29_10ec633b441d8113d2a82f3c9447a0c8_cryptolocker.exe	28
PID 3060 wrote to memory of 1388	3060	2024-03-29_10ec633b441d8113d2a82f3c9447a0c8_cryptolocker.exe	28
PID 3060 wrote to memory of 1388	3060	2024-03-29_10ec633b441d8113d2a82f3c9447a0c8_cryptolocker.exe	28
PID 3060 wrote to memory of 1388	3060	2024-03-29_10ec633b441d8113d2a82f3c9447a0c8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-29_10ec633b441d8113d2a82f3c9447a0c8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-29_10ec633b441d8113d2a82f3c9447a0c8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1388

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\hasfj.exe

Filesize
50KB

MD5
7059af831d376ae52a45320df22588f8

SHA1
34f89ef941f3977098e789c3fd8e89f53a3dec36

SHA256
5d1583cef6fbfffd7c4f9eedb9f8d33c34a76736dcfc5db56c9d73ae9e5b78fe

SHA512
596dd646adb8b3d4448d3304f74f725a7a9d88ba9b654ff90c8ca9ed2d56e113be2f4e4df038a528926e2c2e6d7e3311bbd5d28502774710e395d2261787f8fc

Download Submit
memory/1388-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1388-18-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/3060-0-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/3060-1-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/3060-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download