a12d4633bd3ddb836e5d1680b5c33d57d8676b2f903ece53cf0858ab3babc274

Analysis

max time kernel
132s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 02:31

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General

Target

2024-10-03_673762a86235e4202f484dd1050264d8_cryptolocker.exe
Size

48KB
MD5

673762a86235e4202f484dd1050264d8
SHA1

d49600347a3d392dcd7da43e3757c6152b6c9a38
SHA256

a12d4633bd3ddb836e5d1680b5c33d57d8676b2f903ece53cf0858ab3babc274
SHA512

f487da542b3afdcc718a5c8f62adb57f99b5d2c26339b96c0ac1efd1966a0f03bd0bd94b2a018c9ee10b4386deb7fcad697550f09442a7f9928e668f5ed29aef
SSDEEP

768:79inqyNR/QtOOtEvwDpjBKccJVODvy3Z55:79mqyNhQMOtEvwDpjBzckqX5

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2056	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1620	2024-10-03_673762a86235e4202f484dd1050264d8_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	2024-10-03_673762a86235e4202f484dd1050264d8_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 1620 wrote to memory of 2056	1620	2024-10-03_673762a86235e4202f484dd1050264d8_cryptolocker.exe	30
PID 1620 wrote to memory of 2056	1620	2024-10-03_673762a86235e4202f484dd1050264d8_cryptolocker.exe	30
PID 1620 wrote to memory of 2056	1620	2024-10-03_673762a86235e4202f484dd1050264d8_cryptolocker.exe	30
PID 1620 wrote to memory of 2056	1620	2024-10-03_673762a86235e4202f484dd1050264d8_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-03_673762a86235e4202f484dd1050264d8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-03_673762a86235e4202f484dd1050264d8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1620
- 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:2056

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\asih.exe

Filesize
48KB

MD5
56a845b85fbaac1e225cc4da5284f9c2

SHA1
c4e2080814e76fc9619dbaa56204dcb84f8f1dea

SHA256
4ef627713d966fd3d789d33419494e2421d2c001b0de36f04069cc8b1412dd5e

SHA512
53deec6970f57a6d46e4c358927c7ef0ebbdf0c04c3649f1f7b9e65fa73f4f99b38a8162c0fca196a80e6bfb1bdbb9b93409ac140df8624f54f1139615934b66

Download Submit
memory/1620-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1620-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1620-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1620-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/1620-14-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2056-24-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2056-17-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2056-25-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download