b790802e96e7a68ad6a5a9d84d4f23b6035db8c0dc45fd57ef21706b09e17996

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
20/02/2024, 01:32

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General

Target

2024-02-20_42c5365cf0682ab9d91382a8d285dc33_cryptolocker.exe
Size

38KB
MD5

42c5365cf0682ab9d91382a8d285dc33
SHA1

f9b752b77f3c9fb9e5345343efa866de2557c754
SHA256

b790802e96e7a68ad6a5a9d84d4f23b6035db8c0dc45fd57ef21706b09e17996
SHA512

5c97cf46b0a613cd3a678c0a04d9f07b269efdc84fa9260c4f48eee92795b7b5cfc98611cad2362cb79ada0aa995ed2951d72a54b978981908b0f0fb4a36f7da
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenQLLM:ZzFbxmLPWQMOtEvwDpjLeUw

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012247-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2760	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2912	2024-02-20_42c5365cf0682ab9d91382a8d285dc33_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 2912 wrote to memory of 2760	2912	2024-02-20_42c5365cf0682ab9d91382a8d285dc33_cryptolocker.exe	28
PID 2912 wrote to memory of 2760	2912	2024-02-20_42c5365cf0682ab9d91382a8d285dc33_cryptolocker.exe	28
PID 2912 wrote to memory of 2760	2912	2024-02-20_42c5365cf0682ab9d91382a8d285dc33_cryptolocker.exe	28
PID 2912 wrote to memory of 2760	2912	2024-02-20_42c5365cf0682ab9d91382a8d285dc33_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-20_42c5365cf0682ab9d91382a8d285dc33_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-20_42c5365cf0682ab9d91382a8d285dc33_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2912
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2760

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
38KB

MD5
77d3fc9084073f216557df739dc32bed

SHA1
053d2b682084ccdb4dfae23ab8ba05e2f0a6cb5c

SHA256
49af6e877b20c500bdef3ae910ed7f9c6c831882d11b34fe4a39b952774f844f

SHA512
6124a7473af61a3bdba77cc6293dbd2709ec28a326ac97efef911c70bc6a2f4c5844ef67dfee9df350aee2f2aa8c2b36677cdfe1120f4f07719a730e067cbc68

Download Submit
memory/2760-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2760-17-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2760-19-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2912-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2912-0-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2912-3-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2912-2-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download