a13c7ce1757e7db7fd31d6ce8363ad3e4100c04f2709586bdf8aeb657ea4216d

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
20/08/2024, 15:22 UTC

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General

Target

2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe
Size

35KB
MD5

4e7b8417a7ba6dbab9ed868c3d781262
SHA1

2441f818862c743936b5e8ff0dfe5560b30defc4
SHA256

a13c7ce1757e7db7fd31d6ce8363ad3e4100c04f2709586bdf8aeb657ea4216d
SHA512

37f387ec8c4ce02809c0814679cebf4125c0c1570e747f41163bb3b68a510e8db53c2c7fb90bc55aed523f5a4abc2801ca8732f564c443d79d57f1f4887ab536
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXuadQd:bG74zYcgT/Ekd0ryfjHd

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2180	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1756	2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_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	2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 2180	1756	2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe	29
PID 1756 wrote to memory of 2180	1756	2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe	29
PID 1756 wrote to memory of 2180	1756	2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe	29
PID 1756 wrote to memory of 2180	1756	2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-20_4e7b8417a7ba6dbab9ed868c3d781262_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1756
- 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:2180

Network

DNS

mytarta.com

hasfj.exe

Remote address:

8.8.8.8:53

Request

mytarta.com

IN A

Response

No results found

8.8.8.8:53

mytarta.com

dns

hasfj.exe

57 B
130 B
1
1

DNS Request

mytarta.com

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

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Downloads

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

Filesize
35KB

MD5
892ea659b34690950b5dd0ee031d0fe3

SHA1
e0146330da384139b46b6b57623ad16e59ba78fb

SHA256
22352eba57b1ea96beeeb296a8de4cfb5ac244fbc8536bc0642df6ebcc81c156

SHA512
e6abc9c90841e44be980de54425947c708a68ffea6f76f03274fbb6cb1d1bc7cd031f443d32953a731a5cbf96b69abecfc12b9c454aaf0c0fea7555b352c7ef1

Download Submit
memory/1756-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/1756-1-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1756-9-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1756-2-0x0000000001B50000-0x0000000001B56000-memory.dmp

Filesize
24KB

Download
memory/1756-14-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2180-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2180-24-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2180-25-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download