bae430335c05a03a20aa78e174b1655082ee2e269b3b87b124c6e6dc8c9f92ba

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24-01-2024 08:31

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General

Target

2024-01-24_8365e2b7837a9833d4a47063ed7da14f_cryptolocker.exe
Size

123KB
MD5

8365e2b7837a9833d4a47063ed7da14f
SHA1

cbe5ed303145eb0182e25b423dfc549dc5438e20
SHA256

bae430335c05a03a20aa78e174b1655082ee2e269b3b87b124c6e6dc8c9f92ba
SHA512

5e83ff18ec41ff2b6042a167f29e6a4777af0c3c15b58837d4e3dcd6de7c54b4e47b633e27ec5748fee1c544ccd1a0b3a559b10fab8f57f961b80f9980e0e846
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxE4qH:vCA9OtEvwDpjF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000126e7-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000126e7-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2728	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1848	2024-01-24_8365e2b7837a9833d4a47063ed7da14f_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 1848 wrote to memory of 2728	1848	2024-01-24_8365e2b7837a9833d4a47063ed7da14f_cryptolocker.exe	28
PID 1848 wrote to memory of 2728	1848	2024-01-24_8365e2b7837a9833d4a47063ed7da14f_cryptolocker.exe	28
PID 1848 wrote to memory of 2728	1848	2024-01-24_8365e2b7837a9833d4a47063ed7da14f_cryptolocker.exe	28
PID 1848 wrote to memory of 2728	1848	2024-01-24_8365e2b7837a9833d4a47063ed7da14f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-24_8365e2b7837a9833d4a47063ed7da14f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-24_8365e2b7837a9833d4a47063ed7da14f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2728

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
aab21adf9ab2c301170bff4f84772047

SHA1
dcccbd316dcc93a57e7dd3b600cfcf9815a8a5f1

SHA256
d613f57ad12e0a6151d14dbc00c48b588f14680cd667242274371096185405c6

SHA512
d8a74b9a4dbfdc7abd138b6d0179f8cebe60641b497bcb1370530fe5a5b86cca331d61cb925d83a6c8433eebcc58cd7579299242db1787c3ece081b9b977ab74

Download Submit
memory/1848-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1848-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1848-8-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2728-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2728-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download