8ffef0da96af105db96791500a3e0e37ebb769c2a6926abdfc2b7260020ada37

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 05:31

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General

Target

2024-09-19_9ee52f892120762be3ba4c73eb341cd3_cryptolocker.exe
Size

41KB
MD5

9ee52f892120762be3ba4c73eb341cd3
SHA1

f05bda014b64a3ba2f4cfdbfca0e140d57c63f99
SHA256

8ffef0da96af105db96791500a3e0e37ebb769c2a6926abdfc2b7260020ada37
SHA512

ca7aff32f39cc105afb06fbda9939ce255a5223503aa2be7e9b9fd0553375e6f83607188c09e5aea7fd5b29cccf73b03571701c38808de56f786a62b3438042e
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Ybw:bgGYcA/53GAA6y37R

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2520	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2532	2024-09-19_9ee52f892120762be3ba4c73eb341cd3_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	2024-09-19_9ee52f892120762be3ba4c73eb341cd3_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 2532 wrote to memory of 2520	2532	2024-09-19_9ee52f892120762be3ba4c73eb341cd3_cryptolocker.exe	30
PID 2532 wrote to memory of 2520	2532	2024-09-19_9ee52f892120762be3ba4c73eb341cd3_cryptolocker.exe	30
PID 2532 wrote to memory of 2520	2532	2024-09-19_9ee52f892120762be3ba4c73eb341cd3_cryptolocker.exe	30
PID 2532 wrote to memory of 2520	2532	2024-09-19_9ee52f892120762be3ba4c73eb341cd3_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-19_9ee52f892120762be3ba4c73eb341cd3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_9ee52f892120762be3ba4c73eb341cd3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532
- 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:2520

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

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

Filesize
41KB

MD5
ab50c2e4f9927fca5ab916d375d08b95

SHA1
9d4a356e4ff9f157560b3d0eca94cd4416bda3cc

SHA256
8dd6ea6b8bda31ba73abd95a9e02757efc5fd4038c2c3152497f208ad53d622b

SHA512
34faa0990e6db4b9a002d007e838e529466a81ae601803d010adb9265105266c09df325add43885a2aea63c7479857c852ebb7855881a8687c5104304803a026

Download Submit
memory/2520-16-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2520-15-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2532-0-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2532-1-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2532-8-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download