400d63c347eeb773568257a3da979378cf3ec49a4eacb5ab69cd60710594513a

Analysis

max time kernel
132s
max time network
139s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 03:58

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General

Target

2024-10-18_aa0dd74d04f9a1821acc0605caffc185_cryptolocker.exe
Size

73KB
MD5

aa0dd74d04f9a1821acc0605caffc185
SHA1

3fa4752ce2c31a12cd7958402901f72d87b0c996
SHA256

400d63c347eeb773568257a3da979378cf3ec49a4eacb5ab69cd60710594513a
SHA512

75087a8783d4f7d810da124a30ea87114606d7e77125ec910b2b942571a8e2f5975132a96a5335871c547cca636bd7748d653c272d7ac20712407e46c24e1b5c
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUNZO53:DW60sllyWOtEvwDpjwF85S

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2412	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2432	2024-10-18_aa0dd74d04f9a1821acc0605caffc185_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	2024-10-18_aa0dd74d04f9a1821acc0605caffc185_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2412	2432	2024-10-18_aa0dd74d04f9a1821acc0605caffc185_cryptolocker.exe	30
PID 2432 wrote to memory of 2412	2432	2024-10-18_aa0dd74d04f9a1821acc0605caffc185_cryptolocker.exe	30
PID 2432 wrote to memory of 2412	2432	2024-10-18_aa0dd74d04f9a1821acc0605caffc185_cryptolocker.exe	30
PID 2432 wrote to memory of 2412	2432	2024-10-18_aa0dd74d04f9a1821acc0605caffc185_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-18_aa0dd74d04f9a1821acc0605caffc185_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_aa0dd74d04f9a1821acc0605caffc185_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2412

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

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Downloads

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

Filesize
73KB

MD5
1ef714d19b3485c3ca4c88374a973b45

SHA1
b76000d06c2dad12802d1f5644ef18086003127f

SHA256
8f728c7d5ccba2f8696a42cc7842b876d13ec29591eacbf35f6d807a1ab81e46

SHA512
8491d0dadeb8634461dff7bfe8b73104e6a3454c3958eeb036a488de86604bccdb794d6f8d61819db034d21e6fcc5635a7387fb4569a46d3b82ed3e599b70471

Download Submit
memory/2412-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2412-19-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2412-26-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2412-27-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2432-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2432-2-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2432-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2432-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2432-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2432-14-0x0000000000660000-0x000000000066B000-memory.dmp

Filesize
44KB

Download