db337e84232e9a28681cbe6419e21628c77108de508f977cce0f9e5b89bd9040

Analysis

max time kernel
132s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-11-2024 06:18

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General

Target

2024-11-02_b4f61c67fca6c57aadb387625c28f8f4_cryptolocker.exe
Size

76KB
MD5

b4f61c67fca6c57aadb387625c28f8f4
SHA1

e89fdf2108176bd0832e13c7d8cb4221a8e4f25b
SHA256

db337e84232e9a28681cbe6419e21628c77108de508f977cce0f9e5b89bd9040
SHA512

3026236962bad848aa16e2dc65151563521ef9ffb38e0f86fda57397f72fbf0795703f481196a716ef64dd80ae50e226c6f00f2cbe3431615819b00af432510e
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsZ:X6a+SOtEvwDpjBZYvQd2K

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

1848 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-11-02_b4f61c67fca6c57aadb387625c28f8f4_cryptolocker.exe

pid process

2480 2024-11-02_b4f61c67fca6c57aadb387625c28f8f4_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1848	asih.exe

pid	process
2480	2024-11-02_b4f61c67fca6c57aadb387625c28f8f4_cryptolocker.exe

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

Processes:

2024-11-02_b4f61c67fca6c57aadb387625c28f8f4_cryptolocker.exeasih.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-02_b4f61c67fca6c57aadb387625c28f8f4_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-11-02_b4f61c67fca6c57aadb387625c28f8f4_cryptolocker.exe

description	pid	process	target process
PID 2480 wrote to memory of 1848	2480	2024-11-02_b4f61c67fca6c57aadb387625c28f8f4_cryptolocker.exe	asih.exe
PID 2480 wrote to memory of 1848	2480	2024-11-02_b4f61c67fca6c57aadb387625c28f8f4_cryptolocker.exe	asih.exe
PID 2480 wrote to memory of 1848	2480	2024-11-02_b4f61c67fca6c57aadb387625c28f8f4_cryptolocker.exe	asih.exe
PID 2480 wrote to memory of 1848	2480	2024-11-02_b4f61c67fca6c57aadb387625c28f8f4_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-02_b4f61c67fca6c57aadb387625c28f8f4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-02_b4f61c67fca6c57aadb387625c28f8f4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2480

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:1848

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
77KB

MD5
405e1b4717007e946a14b1bc1c8160b5

SHA1
3928a6526774aef6a56796a2524c097cd1648acf

SHA256
c70ff3f4bf98f9e0d11d8ae38e34f4250a9b0945c82c8a0432017f8272ce0c23

SHA512
bf955702efdf132f2d9d00095f600123dfbaaf034ea8a5d7b5925f12aa8b17bcc0585b427d78c52e305d7dcf9e283f117894d8d973340fa19e2fbd2591f1fe91

Download Submit
memory/1848-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2480-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2480-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2480-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download