bea5d5607e34b5062b99d008595cac9bef3285ed9d1f5019708be7221cc145cb

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/10/2024, 01:26

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General

Target

2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe
Size

46KB
MD5

54afcdeceffef5d9f1e6394c98e09956
SHA1

e43e61877f2790040cfb0d370a4dc4170b299c3b
SHA256

bea5d5607e34b5062b99d008595cac9bef3285ed9d1f5019708be7221cc145cb
SHA512

da7d503234d43fab7778d61e11b5979dc352ab8d97d6aff23ff6ffeb19a2a3756970acb3d7898615e05809e93445dfbcd3c3bda8c2f094e9afc0affd2bffe5f1
SSDEEP

768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAIie0LHumR1:bCDOw9aMDooc+vAlXnR1

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1864	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2380	2024-10-02_54afcdeceffef5d9f1e6394c98e09956_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	2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lossy.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 1864	2380	2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe	30
PID 2380 wrote to memory of 1864	2380	2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe	30
PID 2380 wrote to memory of 1864	2380	2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe	30
PID 2380 wrote to memory of 1864	2380	2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1864

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

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Downloads

\Users\Admin\AppData\Local\Temp\lossy.exe

Filesize
46KB

MD5
be07593665508cfa7f62aa5ba1631906

SHA1
dd2d3f232c0d8bae7344e3f5e535d6aa5b0c1705

SHA256
71ba75394957a5d904597d831c25f9eeb4539b86986971576b9281cca6824fd1

SHA512
6d1192afa69ca7335dcc22879e2635b4bf143e0f7fc5d6ac26f7c29f82d5751e4a4c4aa332f75ce80e83b9cb145fbba9c51434a5d47dd36d9fb87c03b9241954

Download Submit
memory/1864-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/1864-19-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1864-26-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1864-27-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2380-2-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2380-1-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2380-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2380-3-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2380-16-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2380-13-0x0000000002AB0000-0x0000000002ABA000-memory.dmp

Filesize
40KB

Download