17c02c278dd36f76fd6bfe47c164d9a7d372cda148ed65b4f266ae8073d8c83a

Analysis

max time kernel
141s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 23:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-10-05_ec2808cbf6215360a25e33fec5aa16a7_cryptolocker.exe
Size

91KB
MD5

ec2808cbf6215360a25e33fec5aa16a7
SHA1

8ceaf723ccb7b7cded03198ada58948142d9231b
SHA256

17c02c278dd36f76fd6bfe47c164d9a7d372cda148ed65b4f266ae8073d8c83a
SHA512

30a0e231e4371739c85c898f5021f1630fbc346349919fb42e78ac63c69737e604241909b2256438fdb0e6c224d2700ea9ce2e13994b040c703844b8f2137d60
SSDEEP

1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp01Y:AnBdOOtEvwDpj6zG

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1912	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2348	2024-10-05_ec2808cbf6215360a25e33fec5aa16a7_cryptolocker.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2348-0-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x000d000000012276-11.dat	upx
behavioral1/memory/1912-17-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/2348-16-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/1912-27-0x0000000000500000-0x000000000050F000-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	2024-10-05_ec2808cbf6215360a25e33fec5aa16a7_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 2348 wrote to memory of 1912	2348	2024-10-05_ec2808cbf6215360a25e33fec5aa16a7_cryptolocker.exe	30
PID 2348 wrote to memory of 1912	2348	2024-10-05_ec2808cbf6215360a25e33fec5aa16a7_cryptolocker.exe	30
PID 2348 wrote to memory of 1912	2348	2024-10-05_ec2808cbf6215360a25e33fec5aa16a7_cryptolocker.exe	30
PID 2348 wrote to memory of 1912	2348	2024-10-05_ec2808cbf6215360a25e33fec5aa16a7_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-05_ec2808cbf6215360a25e33fec5aa16a7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-05_ec2808cbf6215360a25e33fec5aa16a7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- 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:1912

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

Loading Replay Monitor...

Downloads

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

Filesize
91KB

MD5
902d19be86600acc77e5e4b9235e5979

SHA1
b48725e581ed7d7e046704ad75118264169e4302

SHA256
cf7ce304e3a0805ac350cbc210672f10940976d7f0d762828ad32e2dca9afb5c

SHA512
4097d4255884356242040c1209d1d5fee82ae38fd9f0d5d4ef1c65adb172bab5f6b564290ba6f4b886adfcbb7f9a43347f16a076f37c27bb4532485e734ea0a6

Download Submit
memory/1912-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1912-26-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1912-19-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1912-27-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2348-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2348-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2348-2-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2348-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2348-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download