0f944482f2136617ca0950d41f00e153f2757b8899c3c3dd03532d564faa81ef

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/09/2024, 20:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-12_6cac2e2c489f6262bbb3422ed63984ea_cryptolocker.exe
Size

40KB
MD5

6cac2e2c489f6262bbb3422ed63984ea
SHA1

5aa42a7dc9f46be516afbeb05c6bebd3450c092e
SHA256

0f944482f2136617ca0950d41f00e153f2757b8899c3c3dd03532d564faa81ef
SHA512

94b9a96c5aeb825fbea273f8ec60ccc9b3ac90fbf998e8b3e92bb3d8370da3c739c2c70d9a81c38612cefedeab94f04868da3d953ed16ff753391d94e34057f9
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITL:qDdFJy3QMOtEvwDpjjWMl7TL

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2772	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	2024-09-12_6cac2e2c489f6262bbb3422ed63984ea_cryptolocker.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2180-8-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000b00000001227d-11.dat	upx
behavioral1/memory/2772-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2772-26-0x0000000000500000-0x0000000000510000-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	2024-09-12_6cac2e2c489f6262bbb3422ed63984ea_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 2180 wrote to memory of 2772	2180	2024-09-12_6cac2e2c489f6262bbb3422ed63984ea_cryptolocker.exe	30
PID 2180 wrote to memory of 2772	2180	2024-09-12_6cac2e2c489f6262bbb3422ed63984ea_cryptolocker.exe	30
PID 2180 wrote to memory of 2772	2180	2024-09-12_6cac2e2c489f6262bbb3422ed63984ea_cryptolocker.exe	30
PID 2180 wrote to memory of 2772	2180	2024-09-12_6cac2e2c489f6262bbb3422ed63984ea_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-12_6cac2e2c489f6262bbb3422ed63984ea_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_6cac2e2c489f6262bbb3422ed63984ea_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2180
- 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:2772

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
40KB

MD5
89f08c7b9c6c03dc48033d46bab1a0b2

SHA1
b42e3f494f2868074bb208b4a4f67b6e0b565c86

SHA256
3f3310b5456c6ae3f6ccd8567ef7236b5146d953e944c29d1bfc67628e1668bb

SHA512
434350aecd63e535ee4886eb945eb4967714bebc829ea2eb840cd1c0c47c99b60fb065359446f85e0d68c0296e7b9c02ba34aee25093db1f1879a79437b27236

Download Submit
memory/2180-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2180-9-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2180-8-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2180-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2772-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2772-19-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2772-18-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2772-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download