3747292316da9ff33c5b5247fb64c07222e03b280bf445bee0d42e89cdfad645

Analysis

max time kernel
132s
max time network
139s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 21:45

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General

Target

2024-10-05_915fd9103160f6c0c32107206ca66c80_cryptolocker.exe
Size

48KB
MD5

915fd9103160f6c0c32107206ca66c80
SHA1

84f144d17b51bfa75cb795a2fdbdcedcea646546
SHA256

3747292316da9ff33c5b5247fb64c07222e03b280bf445bee0d42e89cdfad645
SHA512

e70b78969eb731a2f90922895e2b359d5e0f33a493fc898adf6f7a31bebd68c2bb53252a6de7d820e80ed5bf0b1fd21184bef3b222505ef0327fe3a9f7ee7fc6
SSDEEP

384:e/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/WccJVJwi2B5oCCM8CLW2V7:79inqyNR/QtOOtEvwDpjBKccJVODvy3m

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2120	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2500	2024-10-05_915fd9103160f6c0c32107206ca66c80_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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-05_915fd9103160f6c0c32107206ca66c80_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2120	2500	2024-10-05_915fd9103160f6c0c32107206ca66c80_cryptolocker.exe	30
PID 2500 wrote to memory of 2120	2500	2024-10-05_915fd9103160f6c0c32107206ca66c80_cryptolocker.exe	30
PID 2500 wrote to memory of 2120	2500	2024-10-05_915fd9103160f6c0c32107206ca66c80_cryptolocker.exe	30
PID 2500 wrote to memory of 2120	2500	2024-10-05_915fd9103160f6c0c32107206ca66c80_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-05_915fd9103160f6c0c32107206ca66c80_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-05_915fd9103160f6c0c32107206ca66c80_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- 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:2120

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

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Downloads

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

Filesize
48KB

MD5
d6bf91fe4c411ea1206434d2f186826f

SHA1
02d8d8f9e1ef4d6adbeef587491554a866a75554

SHA256
c193a055e2d2f7a151cfc5cae5ea976287dd5bade1862e3c5b9b29c66bea44f7

SHA512
0bb6be90dbd20c6700bb40b3fc77558a4bf6333c4d2c4602c8a858c58d0cf7cab161053a19d0469c0a958bc7ddc67723986ee47a183e2b3508f713378aae16f4

Download Submit
memory/2120-24-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2120-17-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2120-25-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2500-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2500-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2500-2-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2500-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2500-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download