c3b47528321a2ede659c3df4436c8cbd1872b88e95330e412b6dfa5b8a6fe4de

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
04/01/2024, 15:13

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General

Target

2024-01-03_0191b518f5a8ded4c24a28e0ba948390_cryptolocker.exe
Size

39KB
MD5

0191b518f5a8ded4c24a28e0ba948390
SHA1

3ed4f703b04500f1782b9b6de56e474445aee9a9
SHA256

c3b47528321a2ede659c3df4436c8cbd1872b88e95330e412b6dfa5b8a6fe4de
SHA512

22776f45bf194a94b55c169deed572dba8ec245efa519ba80c4558fe07fe051f49dea72d1e351df46f494b8db3da48558913e937476daed3f6a39a0977cf3e7d
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6DyURTe:bIDOw9a0Dwo3P1ojvUSDhRi

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2696	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2136	2024-01-03_0191b518f5a8ded4c24a28e0ba948390_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 2136 wrote to memory of 2696	2136	2024-01-03_0191b518f5a8ded4c24a28e0ba948390_cryptolocker.exe	28
PID 2136 wrote to memory of 2696	2136	2024-01-03_0191b518f5a8ded4c24a28e0ba948390_cryptolocker.exe	28
PID 2136 wrote to memory of 2696	2136	2024-01-03_0191b518f5a8ded4c24a28e0ba948390_cryptolocker.exe	28
PID 2136 wrote to memory of 2696	2136	2024-01-03_0191b518f5a8ded4c24a28e0ba948390_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-03_0191b518f5a8ded4c24a28e0ba948390_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-03_0191b518f5a8ded4c24a28e0ba948390_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2696

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\lossy.exe

Filesize
40KB

MD5
e36e6251966e81f183c339c6a831f921

SHA1
5b52e2787c0fd1d549b7e5d5d114c2cfdd337bc9

SHA256
a94579cf6766395b270f1aa1f0f1ecb40001ef04dad6be0bd22024db284dea36

SHA512
34f85d6c8a1b54558d8c44129c0a83f8b30d0e8385679435885b326907b6514a45698564b1366c14b203aaa62cdab18a2b4a02cc2f000907d84db21e79836e07

Download Submit
memory/2136-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2136-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2136-7-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2696-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2696-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download