9dff4dcdb2f065eb435d5faa3a768589373102cb9d53f73f5441fb8656331d59

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
27/01/2024, 16:22

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General

Target

2024-01-27_0f4b760ac381736660ac5fc385eaecb3_cryptolocker.exe
Size

89KB
MD5

0f4b760ac381736660ac5fc385eaecb3
SHA1

16276bada3a9ada45df27a96ac9b1a98265398c3
SHA256

9dff4dcdb2f065eb435d5faa3a768589373102cb9d53f73f5441fb8656331d59
SHA512

3c11190f271fe60b3130d67efa2c4e2ea3fed50c5d4d7c1a2ccf621089354c46ceaceeb8c1b3fd1069ef3f7d96b737540f599717dbf873ce2b08201a3fa46d40
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQYmi:vCjsIOtEvwDpj5H8zPse

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012243-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012243-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2720	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2300	2024-01-27_0f4b760ac381736660ac5fc385eaecb3_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 2300 wrote to memory of 2720	2300	2024-01-27_0f4b760ac381736660ac5fc385eaecb3_cryptolocker.exe	28
PID 2300 wrote to memory of 2720	2300	2024-01-27_0f4b760ac381736660ac5fc385eaecb3_cryptolocker.exe	28
PID 2300 wrote to memory of 2720	2300	2024-01-27_0f4b760ac381736660ac5fc385eaecb3_cryptolocker.exe	28
PID 2300 wrote to memory of 2720	2300	2024-01-27_0f4b760ac381736660ac5fc385eaecb3_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-27_0f4b760ac381736660ac5fc385eaecb3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-27_0f4b760ac381736660ac5fc385eaecb3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2720

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\misid.exe

Filesize
89KB

MD5
fddfed3a40239c6554afdbcfac146bbe

SHA1
dd8995b84569d0ad003a54bd750e3eb889a93ebf

SHA256
9b1bfdadf5e4cc1f92e7f7f4397d28bff5e0ed7db4210e0b412cc49b40178654

SHA512
d151831a9634c01b73c2f1d69a6bf21f147f3393f610d1ee4cd220f2ea02c16b0bee5e2ea5d6a705418dcd1c88c2ac22ec75567989f18790045aac2922fd3936

Download Submit
memory/2300-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2300-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2300-2-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2720-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download