7caf80e5d6566ad1ff5f481887ebd5ce03fb413eb385296092c6dad17a3c24dd

Analysis

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

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 20:23

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General

Target

2024-01-28_1ecee7b754feeba8166e97b0f498a5fc_cryptolocker.exe
Size

77KB
MD5

1ecee7b754feeba8166e97b0f498a5fc
SHA1

8ff6e3f210859f57f62cb8d8e4268f6cde86291e
SHA256

7caf80e5d6566ad1ff5f481887ebd5ce03fb413eb385296092c6dad17a3c24dd
SHA512

52c6009ee0624816f3ff6bb60071edcbd58cd75ab88c4f2d08e27c82bfe0e8f7ef66e3dfd565ae98dc88b79ff6157366ed7687680c01aee971e0b0abb0f55bc6
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIufj0:vCjsIOtEvwDpj5H9YvQd2P0

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001650c-21.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001650c-21.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3032	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1752	2024-01-28_1ecee7b754feeba8166e97b0f498a5fc_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 1752 wrote to memory of 3032	1752	2024-01-28_1ecee7b754feeba8166e97b0f498a5fc_cryptolocker.exe	28
PID 1752 wrote to memory of 3032	1752	2024-01-28_1ecee7b754feeba8166e97b0f498a5fc_cryptolocker.exe	28
PID 1752 wrote to memory of 3032	1752	2024-01-28_1ecee7b754feeba8166e97b0f498a5fc_cryptolocker.exe	28
PID 1752 wrote to memory of 3032	1752	2024-01-28_1ecee7b754feeba8166e97b0f498a5fc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-28_1ecee7b754feeba8166e97b0f498a5fc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-28_1ecee7b754feeba8166e97b0f498a5fc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3032

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

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
77KB

MD5
2673e350d84c7c008c4137cda32d854d

SHA1
08e9032844139d5bd95b7152809aa7ddacc7dfc5

SHA256
c393168c8ef50a2bd8850afea2609cf169b209cbe29e42b0051a7dd00c930fec

SHA512
7a7d1ad4bb0bb6952fd2e6a810131a4a2feff7778a0a5479715012d6cb4c485066009a35a2effe2731af7ae13b5247c21904147eed2c36f286afa46deb0ac52c

Download Submit
memory/1752-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1752-1-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1752-2-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/3032-15-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/3032-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download