3d38ec4eedd5e014e22d5b9e7587c2399694743e8c79da7619db40a16af60303

Analysis

max time kernel
136s
max time network
145s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/01/2024, 22:33

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General

Target

2024-01-18_26dd727de9e61af6a1a11671b9219f93_cryptolocker.exe
Size

124KB
MD5

26dd727de9e61af6a1a11671b9219f93
SHA1

9e4ff2037980cae7a90a5aa67b0b4e06b8378726
SHA256

3d38ec4eedd5e014e22d5b9e7587c2399694743e8c79da7619db40a16af60303
SHA512

c588600626b891de3667cc511fef41bf3c2a72aa7bf8f063e724d3fd3a983b45f468fcc1bb6fb68928ac42ce179863dadf03ffe19d45817e016e6385fe10078d
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//LG:vCjsIOtEvwDpj5H9YvQd2RY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012327-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012327-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2384	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1992	2024-01-18_26dd727de9e61af6a1a11671b9219f93_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 1992 wrote to memory of 2384	1992	2024-01-18_26dd727de9e61af6a1a11671b9219f93_cryptolocker.exe	28
PID 1992 wrote to memory of 2384	1992	2024-01-18_26dd727de9e61af6a1a11671b9219f93_cryptolocker.exe	28
PID 1992 wrote to memory of 2384	1992	2024-01-18_26dd727de9e61af6a1a11671b9219f93_cryptolocker.exe	28
PID 1992 wrote to memory of 2384	1992	2024-01-18_26dd727de9e61af6a1a11671b9219f93_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-18_26dd727de9e61af6a1a11671b9219f93_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_26dd727de9e61af6a1a11671b9219f93_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2384

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
124KB

MD5
ae162c922192575737def946a1122b25

SHA1
3f0b3238a7599f73aaa50e3135746c5f67e2c736

SHA256
061830d7796cb13b788d6ce7463ad1fbbba2c483ef9f8e7093b8b07b490f22f5

SHA512
be03b1ff2906bbb606c77ea6ec9a98016a3a52d205417cba788b7f26ce877a3c04610f27ba4278ff25ab05984fe5ef121bc5c9997f9587d7aad02ceadc712ad6

Download Submit
memory/1992-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1992-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/1992-8-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2384-16-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2384-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download