d58a0bebbca2ce37c484956f23ddf7bef6fbf0c7ac42c444530b0a110f21cb09

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
24/01/2024, 00:48

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General

Target

2024-01-24_d90e186679da316c3bb7136696bee34d_cryptolocker.exe
Size

122KB
MD5

d90e186679da316c3bb7136696bee34d
SHA1

4c01e17d0673ddca3cbfd5cb21c1512d524dbcfe
SHA256

d58a0bebbca2ce37c484956f23ddf7bef6fbf0c7ac42c444530b0a110f21cb09
SHA512

e8aee25344de5d781a28f67c7ad694b48022511624db30d6169327f7449be438457f16abe40ff689499532733baa8102784e2ecc3c33fcea02cad536bcf7830d
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxE4Q:vCA9OtEvwDpj1

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012270-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012270-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2112	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2492	2024-01-24_d90e186679da316c3bb7136696bee34d_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 2492 wrote to memory of 2112	2492	2024-01-24_d90e186679da316c3bb7136696bee34d_cryptolocker.exe	28
PID 2492 wrote to memory of 2112	2492	2024-01-24_d90e186679da316c3bb7136696bee34d_cryptolocker.exe	28
PID 2492 wrote to memory of 2112	2492	2024-01-24_d90e186679da316c3bb7136696bee34d_cryptolocker.exe	28
PID 2492 wrote to memory of 2112	2492	2024-01-24_d90e186679da316c3bb7136696bee34d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-24_d90e186679da316c3bb7136696bee34d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-24_d90e186679da316c3bb7136696bee34d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2112

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
123KB

MD5
52452432ee1b9ac32002bb3d30a5f28f

SHA1
17b5ae2b847f69a4f126049c14687a1c28228419

SHA256
97a7bd4d2b37e7a72a59282ed61a863426037fd5b46435036e6e397e17698ffc

SHA512
05e4a900961098b4496d46eb635ed7ec9574b9ed761c484f3822a0c0e1ef5f7f038228f6a9bdd26613e1790bdb395e5897f30a186adefe6602e32eeaddd8bc66

Download Submit
memory/2112-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2112-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2492-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2492-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2492-1-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download