3a7cf874e18d508da5e78526f198e00176fb5238c9355fcf91628038afc7803a

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29-08-2024 07:56

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General

Target

2024-08-29_3c2d134b779f86ed2391469adc474b0a_cryptolocker.exe
Size

65KB
MD5

3c2d134b779f86ed2391469adc474b0a
SHA1

008504379afa008a64731aa4ba70823c66513e8f
SHA256

3a7cf874e18d508da5e78526f198e00176fb5238c9355fcf91628038afc7803a
SHA512

c1e96ce7f0f8a535cc065fcbdfe54ee3ea548df6da934acb502a2852bd7e8f4e50da6ba5c292e2a7fec664b505bf3d3aa2ec5e196f8ab0ee283f59ddd95197de
SSDEEP

768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfc:i5nkFGMOtEvwDpjNbwQEI8UU

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2808	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1768	2024-08-29_3c2d134b779f86ed2391469adc474b0a_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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-29_3c2d134b779f86ed2391469adc474b0a_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2808	1768	2024-08-29_3c2d134b779f86ed2391469adc474b0a_cryptolocker.exe	30
PID 1768 wrote to memory of 2808	1768	2024-08-29_3c2d134b779f86ed2391469adc474b0a_cryptolocker.exe	30
PID 1768 wrote to memory of 2808	1768	2024-08-29_3c2d134b779f86ed2391469adc474b0a_cryptolocker.exe	30
PID 1768 wrote to memory of 2808	1768	2024-08-29_3c2d134b779f86ed2391469adc474b0a_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-08-29_3c2d134b779f86ed2391469adc474b0a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-29_3c2d134b779f86ed2391469adc474b0a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\misid.exe

Filesize
66KB

MD5
ed933157775656c4c0d2589d994db96c

SHA1
a862ac81de614d5d318f1bb7b58127b7eb65c936

SHA256
06e910fe4ac647cbbdbee4102a53bd0bab79f24622a809b0dbd96761ebd9396c

SHA512
837de1087d52816d81d857277742153d292f7142efefeba370cbc5947c9bb02b197c2b7665d28bf7bb7b48c17003e43bda3a0fc7c4242f7b4add6bdb1db25327

Download Submit
memory/1768-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1768-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1768-9-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1768-2-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1768-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2808-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2808-19-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2808-26-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2808-27-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download