f1def9ff3d361e8622416f39b20f792ead87790b9a96106f881250315baf6746

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/03/2024, 02:33

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General

Target

2024-03-08_2f6a8218bc8c59e4be5ade30e613acab_cryptolocker.exe
Size

29KB
MD5

2f6a8218bc8c59e4be5ade30e613acab
SHA1

60747c69d07e090cac7798afaf6452744348bd07
SHA256

f1def9ff3d361e8622416f39b20f792ead87790b9a96106f881250315baf6746
SHA512

5d3fd584fa2689da777a4d53feeef43d84a8ff58b6669cbbe4faead5f3e5a995bfe914469414753424f50bf8de7a3f6f18a83aed1ceaa2832102228e66daf578
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUr766SJ/2B:bA74zYcgT/Ekd0ryfjQRSBU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224f-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2492	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2192	2024-03-08_2f6a8218bc8c59e4be5ade30e613acab_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 2192 wrote to memory of 2492	2192	2024-03-08_2f6a8218bc8c59e4be5ade30e613acab_cryptolocker.exe	28
PID 2192 wrote to memory of 2492	2192	2024-03-08_2f6a8218bc8c59e4be5ade30e613acab_cryptolocker.exe	28
PID 2192 wrote to memory of 2492	2192	2024-03-08_2f6a8218bc8c59e4be5ade30e613acab_cryptolocker.exe	28
PID 2192 wrote to memory of 2492	2192	2024-03-08_2f6a8218bc8c59e4be5ade30e613acab_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_2f6a8218bc8c59e4be5ade30e613acab_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_2f6a8218bc8c59e4be5ade30e613acab_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2492

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
29KB

MD5
297ed47d42323c6fb991958948bf3a13

SHA1
fa4fdfc571d606beec8d783ca62ef0d059d4673f

SHA256
d7f5cf77c68574d83ed5b3b44cea4896b056349e3d66a8dd7245f0478bcaf44b

SHA512
19a2716fe9646e3722623aebd34cfb779a1e3ed117e94d13fc91cd6347ed911e25718ac289d77a0aafe18b5ac53485683d303b77967af708c62bcbb6ed4f9c34

Download Submit
memory/2192-0-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2192-2-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2192-1-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2492-15-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2492-22-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download