d0073274d5cab44389acad711519ff8abaa784f934c6b044e4b56a0814b5090d

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
25-02-2024 02:30

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General

Target

2024-02-25_41fe73c3f3a7467463090f6867753603_cryptolocker.exe
Size

49KB
MD5

41fe73c3f3a7467463090f6867753603
SHA1

a9b992df173055334c9bd22f3b2215f66d552ab2
SHA256

d0073274d5cab44389acad711519ff8abaa784f934c6b044e4b56a0814b5090d
SHA512

ca6c810707346cae079bb449b451f91d1fef4f4d7eb65b2805cc7e4ec190079114a12060ea596167e5b8b36b3154663d47cf677de9cce598d3923e58e29d6a3e
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55id3AMWZq9C:X6QFElP6n+gJQMOtEvwDpjB0GIWiWLcC

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012252-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012252-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2380	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2416	2024-02-25_41fe73c3f3a7467463090f6867753603_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 2416 wrote to memory of 2380	2416	2024-02-25_41fe73c3f3a7467463090f6867753603_cryptolocker.exe	28
PID 2416 wrote to memory of 2380	2416	2024-02-25_41fe73c3f3a7467463090f6867753603_cryptolocker.exe	28
PID 2416 wrote to memory of 2380	2416	2024-02-25_41fe73c3f3a7467463090f6867753603_cryptolocker.exe	28
PID 2416 wrote to memory of 2380	2416	2024-02-25_41fe73c3f3a7467463090f6867753603_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-25_41fe73c3f3a7467463090f6867753603_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_41fe73c3f3a7467463090f6867753603_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2380

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
49KB

MD5
336023de9ee8f2c0c46186024c749f63

SHA1
7757f32c2c0a46208ce367afbe9eca82dcee3d72

SHA256
6ed33e6f664d19a548159cf135033ea2cafe2417f9b759909f266ab443793bc7

SHA512
169620ac3f6a6cba39ede0d9ecb093541eec435c1c88dc92b9a5c4dd25ac13e6190eb360ea1f96a0381e7dc7dbcbb237c9ea4e0d635dd41c93ccb474db4e0df0

Download Submit
memory/2380-15-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2380-17-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2416-0-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2416-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2416-8-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download