6d0bf985d3dc4989bce96f6db9d87e614452f7629db862f04295c726c27564ee

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
13-02-2024 06:13

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General

Target

2024-02-13_d6b3ad1520521de5ba0584ce485e940a_cryptolocker.exe
Size

33KB
MD5

d6b3ad1520521de5ba0584ce485e940a
SHA1

e5fbf581120a157d96eca31036e4e15045229188
SHA256

6d0bf985d3dc4989bce96f6db9d87e614452f7629db862f04295c726c27564ee
SHA512

0ac418b60d85314af4471999c6c632abfca1e4bd6391c1a7a1c9869740bffb1a444b210779d4473cf61c0d7d92fc94714c4fa2f33cf55b773b35e0fbcbeb2297
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunexRlSrxVfdsHY3:bA74zYcgT/Ekd0ryfjPIunYw16O

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a1a-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
964	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2420	2024-02-13_d6b3ad1520521de5ba0584ce485e940a_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 2420 wrote to memory of 964	2420	2024-02-13_d6b3ad1520521de5ba0584ce485e940a_cryptolocker.exe	28
PID 2420 wrote to memory of 964	2420	2024-02-13_d6b3ad1520521de5ba0584ce485e940a_cryptolocker.exe	28
PID 2420 wrote to memory of 964	2420	2024-02-13_d6b3ad1520521de5ba0584ce485e940a_cryptolocker.exe	28
PID 2420 wrote to memory of 964	2420	2024-02-13_d6b3ad1520521de5ba0584ce485e940a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-13_d6b3ad1520521de5ba0584ce485e940a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-13_d6b3ad1520521de5ba0584ce485e940a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:964

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
33KB

MD5
7f858e813645fc7145655858ec77623a

SHA1
d25abe44d64e1d9b21481deb418b614d61501832

SHA256
5c0049fb025ea2238b5d38eb30c9407c1c17a92be8b7d48cda3f6c022c7b6eaf

SHA512
c8e9cb344719f12ed12b678290a22e78d33c84812f8ce3febc7e4d4ef80e8c6f1e14555222c664ce2ac0ec23271e638a05896b585c63c20594ef5f61c5d7fb57

Download Submit
memory/964-16-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/964-15-0x0000000002920000-0x0000000002926000-memory.dmp

Filesize
24KB

Download
memory/2420-0-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/2420-1-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2420-8-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download