2c1d60024c85cf33e6b8938c5f90f5adadc216d8683a8194637a146ab295134f

Analysis

max time kernel
139s
max time network
143s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/02/2024, 14:24

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General

Target

2024-02-18_15ddb3554537fe25d6df043f2731f24c_cryptolocker.exe
Size

43KB
MD5

15ddb3554537fe25d6df043f2731f24c
SHA1

f481757f36be76b829668fef7d6c320845404c44
SHA256

2c1d60024c85cf33e6b8938c5f90f5adadc216d8683a8194637a146ab295134f
SHA512

8d20cd495b12d19c16159b15682cfa8f253c8320cf3929c68f7be107c5ea8f97ec300a9fbfaa9a6ae499ff73f2d13ca124168bd211bc2871af1338e24657be6f
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFp1Yvb9w/:bxNrC7kYo1Fxf3s05rwxbF7Yvbo

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012223-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2004	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2108	2024-02-18_15ddb3554537fe25d6df043f2731f24c_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 2108 wrote to memory of 2004	2108	2024-02-18_15ddb3554537fe25d6df043f2731f24c_cryptolocker.exe	28
PID 2108 wrote to memory of 2004	2108	2024-02-18_15ddb3554537fe25d6df043f2731f24c_cryptolocker.exe	28
PID 2108 wrote to memory of 2004	2108	2024-02-18_15ddb3554537fe25d6df043f2731f24c_cryptolocker.exe	28
PID 2108 wrote to memory of 2004	2108	2024-02-18_15ddb3554537fe25d6df043f2731f24c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-18_15ddb3554537fe25d6df043f2731f24c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_15ddb3554537fe25d6df043f2731f24c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2004

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\pissa.exe

Filesize
43KB

MD5
a0e882e0de07f74fa032764a2f7c1e35

SHA1
4d25219c8426f3e8df4265d6adf4a0ef07dcd311

SHA256
afdb75fb8778553504b5d5e6903ae695441814bfa204f3c5eee7368cf0d23ab6

SHA512
ec8b5c702d298d8cd28847fda9fef682208af65c4b61c531912c505c927a3cbcceeb5205b23eba0301318d5ce075065d73b275f6cbcf7efadedf1920d0d2b625

Download Submit
memory/2004-15-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2004-22-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2108-0-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2108-2-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2108-1-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download