7cafd3530c206bcb5df1fe122f82543e2ad64ba2c426b959c3e080c9398f2d82

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
20/02/2024, 05:32

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General

Target

2024-02-20_24c0d98e1727e7ab8034e5ba638a627a_cryptolocker.exe
Size

47KB
MD5

24c0d98e1727e7ab8034e5ba638a627a
SHA1

1dcdaa239e03776fdb0bb03499338db93519ec72
SHA256

7cafd3530c206bcb5df1fe122f82543e2ad64ba2c426b959c3e080c9398f2d82
SHA512

e3b1e24e165723ad9d77f66dfd349ba5992843939e96712cb10efcd231b68bbbb6c5ed4842f85cb4b9564895015d753ba1ee7a6021eabf0511facc2f5ad02984
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3rtLSsYPt:V6QFElP6n+gMQMOtEvwDpjyaHaXvOs2

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012232-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012232-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2140	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3004	2024-02-20_24c0d98e1727e7ab8034e5ba638a627a_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 3004 wrote to memory of 2140	3004	2024-02-20_24c0d98e1727e7ab8034e5ba638a627a_cryptolocker.exe	28
PID 3004 wrote to memory of 2140	3004	2024-02-20_24c0d98e1727e7ab8034e5ba638a627a_cryptolocker.exe	28
PID 3004 wrote to memory of 2140	3004	2024-02-20_24c0d98e1727e7ab8034e5ba638a627a_cryptolocker.exe	28
PID 3004 wrote to memory of 2140	3004	2024-02-20_24c0d98e1727e7ab8034e5ba638a627a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-20_24c0d98e1727e7ab8034e5ba638a627a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-20_24c0d98e1727e7ab8034e5ba638a627a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2140

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
47KB

MD5
54883e3f581757a1da855f275fca9872

SHA1
d7baadf92ae932cd362f2c9f995b23f154ff851d

SHA256
0366a72ace05356fc9361277344a3605231ccabdc0543f6b4b2c5819c5c0031d

SHA512
81037aa353d810302ea0924ed0b035d7303b8d5c61d3b093beb269dcfa09d96be6835e0a1abbc9adef9495d2151a5f7b31972ac779b9e01dbb004f8f5ad47370

Download Submit
memory/2140-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2140-17-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/3004-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/3004-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/3004-3-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download