576c07cb54e0ab72d035e02e9025078946baa425d805c89babb589e808446726

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 00:48

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General

Target

2024-09-07_16d770bb107c6973b8f62809761bc312_cryptolocker.exe
Size

35KB
MD5

16d770bb107c6973b8f62809761bc312
SHA1

d6e0ec870a63ff3061f1b72a72826ae0623798a8
SHA256

576c07cb54e0ab72d035e02e9025078946baa425d805c89babb589e808446726
SHA512

6bc2db1532a028f3b54ab3efb1de90f79d4d2e173ee57a79593935fe776f911cc37f50efa7abc3c6ad8840225943e0671313352d3a4c9878f2f799c817b6cbab
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXvJF3SLg:bG74zYcgT/Ekd0ryfjkbCLg

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
792	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1976	2024-09-07_16d770bb107c6973b8f62809761bc312_cryptolocker.exe

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	2024-09-07_16d770bb107c6973b8f62809761bc312_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 792	1976	2024-09-07_16d770bb107c6973b8f62809761bc312_cryptolocker.exe	30
PID 1976 wrote to memory of 792	1976	2024-09-07_16d770bb107c6973b8f62809761bc312_cryptolocker.exe	30
PID 1976 wrote to memory of 792	1976	2024-09-07_16d770bb107c6973b8f62809761bc312_cryptolocker.exe	30
PID 1976 wrote to memory of 792	1976	2024-09-07_16d770bb107c6973b8f62809761bc312_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-07_16d770bb107c6973b8f62809761bc312_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_16d770bb107c6973b8f62809761bc312_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- 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:792

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
35KB

MD5
ad81f53810390c2b3131d879a9477ddc

SHA1
178bc291e995aeb926429540d50e1ef7eb52d87d

SHA256
1c04d6c7cd23f822bbf4ba65a77d9efb404160eb85b8d641ddc93e9cb61010aa

SHA512
099a2b7521c506e91586f2bf7dcfb7081b17754191d0c7b5c8443873384cf157e6439112532e0695e56e2be601f99d81e67040b55a122eef6459f6377f6953a1

Download Submit
memory/792-16-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/792-18-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/792-25-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/792-26-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/1976-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/1976-1-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/1976-2-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/1976-9-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/1976-15-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download