4ac06fb16ce3266790094f3ee0271ca209c2208b7e39d0d8840a1edd14cc4f17

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 05:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-08_489c8530e036016df4d842a9761fb013_cryptolocker.exe
Size

33KB
MD5

489c8530e036016df4d842a9761fb013
SHA1

3c3f8fe55437eeab63c1dc719f55ee6367fcea4e
SHA256

4ac06fb16ce3266790094f3ee0271ca209c2208b7e39d0d8840a1edd14cc4f17
SHA512

c269aa8af43e6470a19ac2eac5058ed00e9bbb26a89a9f3ec7ca1a7c25790d0cbf73bab575483713e773dae93ac97268273b1946e77fec6e326c5a4b051e24a1
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGOFe:bG74zYcgT/Ekd0ryfjG

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2884	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2740	2024-09-08_489c8530e036016df4d842a9761fb013_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-08_489c8530e036016df4d842a9761fb013_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 2884	2740	2024-09-08_489c8530e036016df4d842a9761fb013_cryptolocker.exe	30
PID 2740 wrote to memory of 2884	2740	2024-09-08_489c8530e036016df4d842a9761fb013_cryptolocker.exe	30
PID 2740 wrote to memory of 2884	2740	2024-09-08_489c8530e036016df4d842a9761fb013_cryptolocker.exe	30
PID 2740 wrote to memory of 2884	2740	2024-09-08_489c8530e036016df4d842a9761fb013_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-08_489c8530e036016df4d842a9761fb013_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-08_489c8530e036016df4d842a9761fb013_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
33KB

MD5
58dab383712917d4b1b9d71f3ff4484d

SHA1
6285debe4c78713a23bf2b16059ffbf7e4332d46

SHA256
a417a5eb4405ded8e973ef877d7c958ec6af9cf05c2c3417630068e2d6cbf5e1

SHA512
0472da0321c9571bf10956dca11895663ebe5549a11516c532c139c371268c578f28fe83eede593921cdc72a5ae11aaa0b4150d5af6c48990e8fac63c2d59add

Download Submit
memory/2740-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2740-9-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2740-2-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2740-1-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2740-15-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2884-16-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2884-18-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2884-25-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2884-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download