3c06f18494c1a42aca6d86b3a0cd3c31762377e1c5717ee20dbca753f856a60d

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
14-03-2024 08:39

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General

Target

2024-03-14_7927cd6223e90e0c87bba832a703557e_cryptolocker.exe
Size

37KB
MD5

7927cd6223e90e0c87bba832a703557e
SHA1

b2b5e10777de121c24ebbeb6c8364d9262021f8a
SHA256

3c06f18494c1a42aca6d86b3a0cd3c31762377e1c5717ee20dbca753f856a60d
SHA512

88b8963fb0400b2f1c24f8f85b9c6037a7b9d0ec78eec6ec11aaad2a14e517083a457f880a8e6ae0c6bd6e7af184279339c02c87687e29cbda49dcdcd81c2703
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aRIaGJ:V6QFElP6n+gMQMOtEvwDpjyaYaRO

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000126ab-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000126ab-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
868	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2216	2024-03-14_7927cd6223e90e0c87bba832a703557e_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 2216 wrote to memory of 868	2216	2024-03-14_7927cd6223e90e0c87bba832a703557e_cryptolocker.exe	28
PID 2216 wrote to memory of 868	2216	2024-03-14_7927cd6223e90e0c87bba832a703557e_cryptolocker.exe	28
PID 2216 wrote to memory of 868	2216	2024-03-14_7927cd6223e90e0c87bba832a703557e_cryptolocker.exe	28
PID 2216 wrote to memory of 868	2216	2024-03-14_7927cd6223e90e0c87bba832a703557e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-14_7927cd6223e90e0c87bba832a703557e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_7927cd6223e90e0c87bba832a703557e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:868

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
37KB

MD5
39982d6f39041ecaf8770756e040d694

SHA1
0045b2b469de1aa4c8200ff036b1e8a2a3e1beb8

SHA256
cacd0e9d2c354031d2eaa4ab5fc2285af31897d02ef7ccee299d949f6cb2702d

SHA512
5f2cf275019cfb0e2b02cbebdab18b499ed9f4e4c32d7a9aab8b4d50e978a0dade9241a3c3fd42818c885073da9f892d507958d15318f42a13c971eb06a32ec8

Download Submit
memory/868-22-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2216-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2216-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2216-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download