1bfcea549a51327e68168303ec4b9eeddaa5ebfb0704408f29f8b9c721f1aaed

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-08-2024 06:50

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General

Target

2024-08-24_3011233914882d7f6b20758fa54dec25_cryptolocker.exe
Size

34KB
MD5

3011233914882d7f6b20758fa54dec25
SHA1

1eee58e434fd0d4b9e6a2425ba7494842ffd0e7e
SHA256

1bfcea549a51327e68168303ec4b9eeddaa5ebfb0704408f29f8b9c721f1aaed
SHA512

7b199f263b775cf087e74af5263ea18cf93d57b8a46bc07fcd46dca8c067cb1dc61624fd93346f0f3a39f7e4a07d2efa6093ab6fc039787aa0ac2b0da6703495
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGOFf:bG74zYcgT/Ekd0ryfj3

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2664	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2756	2024-08-24_3011233914882d7f6b20758fa54dec25_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	2024-08-24_3011233914882d7f6b20758fa54dec25_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 2756 wrote to memory of 2664	2756	2024-08-24_3011233914882d7f6b20758fa54dec25_cryptolocker.exe	30
PID 2756 wrote to memory of 2664	2756	2024-08-24_3011233914882d7f6b20758fa54dec25_cryptolocker.exe	30
PID 2756 wrote to memory of 2664	2756	2024-08-24_3011233914882d7f6b20758fa54dec25_cryptolocker.exe	30
PID 2756 wrote to memory of 2664	2756	2024-08-24_3011233914882d7f6b20758fa54dec25_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-08-24_3011233914882d7f6b20758fa54dec25_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-24_3011233914882d7f6b20758fa54dec25_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2756
- 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:2664

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\hasfj.exe

Filesize
34KB

MD5
92c0525c70c2ca265dde220b338948a4

SHA1
d851a8d6e76823ed2d090704ecb0a188e34f9f97

SHA256
1e1df5d4f63f37b365e2aeb1e38d7b9b1420e1a25f41a3d3c826ae34eb8c2dc8

SHA512
85ce87a5937611a78d78a405a67213f7f0f568772fe21ceb97fb49104b56aefe4c926d6b9bff196bf2d4e45d2eac7a2ff15a1e26246e3108885d0b4825cba629

Download Submit
memory/2664-17-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2664-24-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2664-25-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2756-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/2756-1-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2756-9-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2756-2-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2756-14-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download