634bec8d589f21a97aa78b0f3ff44ef163229c724f9bada7d1679624c2cdfa95

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-10-2024 05:23

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General

Target

2024-10-04_20027b754ee3a069cdec379b2f210e87_cryptolocker.exe
Size

44KB
MD5

20027b754ee3a069cdec379b2f210e87
SHA1

d3a4751711eac689da5f20754fa37c3e99e48dc1
SHA256

634bec8d589f21a97aa78b0f3ff44ef163229c724f9bada7d1679624c2cdfa95
SHA512

32b08125505b378b77d4ee05b91f528832c94d4e4dccbb9d80a2e0d84ab812b1cb89a804156f44c868ca6fd5c5ab234e88ce30af614c967f697884f576b59d06
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkL7vF1Tz:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkLz

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2776	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2716	2024-10-04_20027b754ee3a069cdec379b2f210e87_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	2024-10-04_20027b754ee3a069cdec379b2f210e87_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 2716 wrote to memory of 2776	2716	2024-10-04_20027b754ee3a069cdec379b2f210e87_cryptolocker.exe	29
PID 2716 wrote to memory of 2776	2716	2024-10-04_20027b754ee3a069cdec379b2f210e87_cryptolocker.exe	29
PID 2716 wrote to memory of 2776	2716	2024-10-04_20027b754ee3a069cdec379b2f210e87_cryptolocker.exe	29
PID 2716 wrote to memory of 2776	2716	2024-10-04_20027b754ee3a069cdec379b2f210e87_cryptolocker.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-10-04_20027b754ee3a069cdec379b2f210e87_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-04_20027b754ee3a069cdec379b2f210e87_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2716
- 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:2776

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\asih.exe

Filesize
44KB

MD5
8b20235aef374c858b599387a1f4b85e

SHA1
99d885ad74751cc35ea8a5e83cd8036ccf744b2d

SHA256
8a6690a4a9895bfc2aa0db97d82eae5f2edab84544079774d36bd2e82f54dace

SHA512
ec403f76dcfb9127e522b899f61ee926400c86e6883c4d42687be804ed193a4c7ac4c6025bb525c0cb741ef4346bf1e1442e4b2a86e8ba239ee881e096d0a2d9

Download Submit
memory/2716-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2716-1-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2716-9-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2716-2-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2716-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2716-13-0x0000000002480000-0x000000000248B000-memory.dmp

Filesize
44KB

Download
memory/2776-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2776-19-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2776-26-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2776-27-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download