abf151b06c292633b1c2fa1810fec9e74d56c11ed5473d6b600007eaf14e6d05

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17/04/2024, 10:29

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General

Target

2024-04-17_34211105dd7575fc2150d83479c9d94b_cryptolocker.exe
Size

389KB
MD5

34211105dd7575fc2150d83479c9d94b
SHA1

964dd5fd715d010ee21bd014e14509922525bc7c
SHA256

abf151b06c292633b1c2fa1810fec9e74d56c11ed5473d6b600007eaf14e6d05
SHA512

087f072aa6d0222a5b923428306e36f2e7176ab05339d7dd01444300f9f2face750cff5bb941fef7971ed161b80d3963ebb6e0b91abf8976be4dd3c87ad3a153
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXa:nnOflT/ZFIjBz3xjTxynGUOUhXa

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012256-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2344	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1504	2024-04-17_34211105dd7575fc2150d83479c9d94b_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 1504 wrote to memory of 2344	1504	2024-04-17_34211105dd7575fc2150d83479c9d94b_cryptolocker.exe	28
PID 1504 wrote to memory of 2344	1504	2024-04-17_34211105dd7575fc2150d83479c9d94b_cryptolocker.exe	28
PID 1504 wrote to memory of 2344	1504	2024-04-17_34211105dd7575fc2150d83479c9d94b_cryptolocker.exe	28
PID 1504 wrote to memory of 2344	1504	2024-04-17_34211105dd7575fc2150d83479c9d94b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-17_34211105dd7575fc2150d83479c9d94b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-17_34211105dd7575fc2150d83479c9d94b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2344

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\hasfj.exe

Filesize
389KB

MD5
e5ecc36cb663bf2494c5c715ae8ea166

SHA1
5b46c3d811deb6b8007217411ded0b9a9dd04784

SHA256
4e0081cffdbb078affc6386a36ca0372d1f1b0bf577b795b0a498c991f944b7e

SHA512
9c326ee0c25792bf6ae1727791543305b23e0c172fa9b18642c1b4246dc72c5a40648297e431ba42a0457a9bf829e225759b1ffdb3b35deb8f641df2dc2c691a

Download Submit
memory/1504-0-0x0000000001C00000-0x0000000001C06000-memory.dmp

Filesize
24KB

Download
memory/1504-1-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/1504-2-0x0000000001C00000-0x0000000001C06000-memory.dmp

Filesize
24KB

Download
memory/2344-15-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2344-22-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download