ca018030e08c633ee8955710de8b7d31f18c3d8af10b5b627bdf8938ebeeec63

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 01:22

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General

Target

2024-09-07_9326bc710d24702ef78157490052c111_cryptolocker.exe
Size

43KB
MD5

9326bc710d24702ef78157490052c111
SHA1

20b777b96c089e28e5113409248fae9fa4165211
SHA256

ca018030e08c633ee8955710de8b7d31f18c3d8af10b5b627bdf8938ebeeec63
SHA512

fac2dee8b858e825d078bb7eabe7407d25bfcdb495769a2d5fb41f4a7bf36d55ab4738d52ba4c354efe50862cd8d53482a578b1705018fa27a659278479ba3b3
SSDEEP

768:bO74zYcgT/EkdCQgpwXFXSqQXfj0xKsJH:bO6YcA/Xk3wXFXSqAJe

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2760	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2644	2024-09-07_9326bc710d24702ef78157490052c111_cryptolocker.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2644-0-0x0000000008000000-0x000000000800F000-memory.dmp	upx
behavioral1/files/0x00080000000120f9-11.dat	upx
behavioral1/memory/2644-14-0x0000000008000000-0x000000000800F000-memory.dmp	upx
behavioral1/memory/2760-16-0x0000000008000000-0x000000000800F000-memory.dmp	upx
behavioral1/memory/2760-26-0x0000000008000000-0x000000000800F000-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	hasfj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-07_9326bc710d24702ef78157490052c111_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2760	2644	2024-09-07_9326bc710d24702ef78157490052c111_cryptolocker.exe	30
PID 2644 wrote to memory of 2760	2644	2024-09-07_9326bc710d24702ef78157490052c111_cryptolocker.exe	30
PID 2644 wrote to memory of 2760	2644	2024-09-07_9326bc710d24702ef78157490052c111_cryptolocker.exe	30
PID 2644 wrote to memory of 2760	2644	2024-09-07_9326bc710d24702ef78157490052c111_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-07_9326bc710d24702ef78157490052c111_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_9326bc710d24702ef78157490052c111_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644
- 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:2760

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\hasfj.exe

Filesize
43KB

MD5
926074dc9e14599bfe55cf179da66d47

SHA1
894aa869b77c3b2a5a2935e56919ea7f1a5ce5ee

SHA256
ab30b00be9011d628e5499d506d7f1dbdf02eeecf670007b1770e72277111261

SHA512
57dbac73eafad2aaf537431a846c233e3982f118dbc82edc2d0db6c8a1eb8b5f1a57bbf50a7a7fbe7ae50719f32ae762998faebf6f499f2f5deb7961b2e037eb

Download Submit
memory/2644-9-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2644-2-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2644-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2644-0-0x0000000008000000-0x000000000800F000-memory.dmp

Filesize
60KB

Download
memory/2644-14-0x0000000008000000-0x000000000800F000-memory.dmp

Filesize
60KB

Download
memory/2760-16-0x0000000008000000-0x000000000800F000-memory.dmp

Filesize
60KB

Download
memory/2760-18-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2760-25-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2760-26-0x0000000008000000-0x000000000800F000-memory.dmp

Filesize
60KB

Download