c393d6d14600dc5000f973b2b497c43aff049b80e7098709c88abda2ac106729

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 04:30

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General

Target

2024-10-18_6f97d8cfe54585f4c668b3149a450376_cryptolocker.exe
Size

97KB
MD5

6f97d8cfe54585f4c668b3149a450376
SHA1

7d5115b7a7605cf07791a20e1be904b6ddbf16b0
SHA256

c393d6d14600dc5000f973b2b497c43aff049b80e7098709c88abda2ac106729
SHA512

2102f8934cc9d72e59e78d670afb4e87164c046082108d758d93677827ae5aef6209214ed9f488264371dcfd77d169271c7c482847d458056a73e56bb44a0c58
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviOb:AnBdOOtEvwDpj6zm

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2996	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2856	2024-10-18_6f97d8cfe54585f4c668b3149a450376_cryptolocker.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2856-0-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x000b0000000120f6-11.dat	upx
behavioral1/memory/2996-17-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/2856-15-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/2996-27-0x0000000000500000-0x000000000050F000-memory.dmp	upx

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_6f97d8cfe54585f4c668b3149a450376_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 2856 wrote to memory of 2996	2856	2024-10-18_6f97d8cfe54585f4c668b3149a450376_cryptolocker.exe	30
PID 2856 wrote to memory of 2996	2856	2024-10-18_6f97d8cfe54585f4c668b3149a450376_cryptolocker.exe	30
PID 2856 wrote to memory of 2996	2856	2024-10-18_6f97d8cfe54585f4c668b3149a450376_cryptolocker.exe	30
PID 2856 wrote to memory of 2996	2856	2024-10-18_6f97d8cfe54585f4c668b3149a450376_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-18_6f97d8cfe54585f4c668b3149a450376_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_6f97d8cfe54585f4c668b3149a450376_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- 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:2996

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
97KB

MD5
815a913a6e0ba5c979d5c3d3178c2abf

SHA1
ba4354e7562bd69081885d74024bd8c25b0a4beb

SHA256
0ca51bcdc4868f080b39025d468d0d77ee368cc3e04773fdf5afea5d06089b6a

SHA512
6af93c69724a807acc0437e5819ae89a7097a4c6914b65acbfdae813fc2659c738ae986f125142ecf421069bc7bd1d058e8b4f5c51d24b5bb0fedca5b4cf6e41

Download Submit
memory/2856-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2856-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2856-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2856-3-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2856-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2996-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2996-19-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2996-26-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2996-27-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download