96d715c246f4b5ec5bf8b860adf0d7ffb6bacdced71eb776718f30b91f313f28

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 07:28

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General

Target

2024-09-28_1d1e3e7ef1ca951706d2ca6b06523b23_cryptolocker.exe
Size

90KB
MD5

1d1e3e7ef1ca951706d2ca6b06523b23
SHA1

fb1c8ee864f32703b20f75f2bb697bcbe218a13f
SHA256

96d715c246f4b5ec5bf8b860adf0d7ffb6bacdced71eb776718f30b91f313f28
SHA512

ad1e95ddaba3d6b06ac62877b0274fa76690d4efb836f377dac5c210dfe70c0b462bc22eff44e0c867f8c414baa62e9dea4e276559a48b48aa2f99be899b1cc7
SSDEEP

1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAl:n6a+1SEOtEvwDpjYYvQd2Pl

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2332	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1096	2024-09-28_1d1e3e7ef1ca951706d2ca6b06523b23_cryptolocker.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1096-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x00080000000120fd-11.dat	upx
behavioral1/memory/1096-15-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2332-25-0x0000000000500000-0x0000000000510000-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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-28_1d1e3e7ef1ca951706d2ca6b06523b23_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 2332	1096	2024-09-28_1d1e3e7ef1ca951706d2ca6b06523b23_cryptolocker.exe	30
PID 1096 wrote to memory of 2332	1096	2024-09-28_1d1e3e7ef1ca951706d2ca6b06523b23_cryptolocker.exe	30
PID 1096 wrote to memory of 2332	1096	2024-09-28_1d1e3e7ef1ca951706d2ca6b06523b23_cryptolocker.exe	30
PID 1096 wrote to memory of 2332	1096	2024-09-28_1d1e3e7ef1ca951706d2ca6b06523b23_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-28_1d1e3e7ef1ca951706d2ca6b06523b23_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-28_1d1e3e7ef1ca951706d2ca6b06523b23_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1096
- 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:2332

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
90KB

MD5
1e4a10db0aed1ad2bd143bf70dc44889

SHA1
87ccf42b3b1f824d82832a9aefe9e9917ea4ddff

SHA256
0454a719d14700a0d8f384e2046a9f9d12e4339cfffa6912544725793ac16b61

SHA512
2b430bbf2b17be748714223a941d319a06c815f2974ab1b744f67a0e04366a29271807b3608086ba5448eb21b84e2e5e5c56cce11f3a5266c07dd814dc3edd4e

Download Submit
memory/1096-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1096-1-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1096-2-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1096-3-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/1096-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2332-24-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2332-17-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2332-25-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download