9b402e495a28830bd9f9dcfedb687f1ac460e30713c91db886875103d123c8a1

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
06/06/2024, 07:26

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General

Target

2024-06-06_92c10bf898e213b0c0a1c4b50084640c_cryptolocker.exe
Size

46KB
MD5

92c10bf898e213b0c0a1c4b50084640c
SHA1

1dad86af23a7260d7fbc3c44a5e915e1b1c53960
SHA256

9b402e495a28830bd9f9dcfedb687f1ac460e30713c91db886875103d123c8a1
SHA512

c70043a57410d495f282aa34298cb7c6267ef0824ea0a30c63304f275a78207f09119f33e4f0a18edd6f7c9d3f201d5b8b4cbb612c5fcdf532b42d4ee02db25b
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm0EXsJi:V6QFElP6n+gMQMOtEvwDpjyaYaFAh37

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001449a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001449a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2492	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1912	2024-06-06_92c10bf898e213b0c0a1c4b50084640c_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 1912 wrote to memory of 2492	1912	2024-06-06_92c10bf898e213b0c0a1c4b50084640c_cryptolocker.exe	28
PID 1912 wrote to memory of 2492	1912	2024-06-06_92c10bf898e213b0c0a1c4b50084640c_cryptolocker.exe	28
PID 1912 wrote to memory of 2492	1912	2024-06-06_92c10bf898e213b0c0a1c4b50084640c_cryptolocker.exe	28
PID 1912 wrote to memory of 2492	1912	2024-06-06_92c10bf898e213b0c0a1c4b50084640c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-06_92c10bf898e213b0c0a1c4b50084640c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-06_92c10bf898e213b0c0a1c4b50084640c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.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\asih.exe

Filesize
46KB

MD5
29ca9f4e94dc0f514340ed1662c2bcae

SHA1
a02e3de0164016a97df71963e4b734772c8798e9

SHA256
68da60396cc4aefa4a3b9983f5bc3d0467cb655ee209d943d1e133dc0f2989c8

SHA512
1de64286638bf61b4ac412583d8bf7ffa2f11f26b9c78f084d3a4a6c2bcd9346a7b3d2ae91870756999a550b68300218997f5c778fd92c62a6800c423dc03594

Download Submit
memory/1912-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1912-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/1912-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2492-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download