1e07df0f9b61bc8af51271540177e85b7f0e784e3becd8c5948c2a0b923ff2c2

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
25/08/2024, 20:40

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General

Target

fb8f8634e228a5cdb7ec40b88b0b0dc0N.exe
Size

448KB
MD5

fb8f8634e228a5cdb7ec40b88b0b0dc0
SHA1

aaf306db05fdfd9837af045dfb10b2eec85e2118
SHA256

1e07df0f9b61bc8af51271540177e85b7f0e784e3becd8c5948c2a0b923ff2c2
SHA512

aa614d15f0d3d24f62b587fc053052f12e30a5cc0aab229c5ceb03c3e2c3e7230ef0d890e111ba2bbceb89b972a68bb5d253618e171d7f485f5eb2a564888998
SSDEEP

6144:j79jE+Fs0tU7ljAtFtqnjkEjWbjcSbcY+CaQdaFOY4iGFYtR:NEYXzRqnjkFbz+xt4vF

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2472	YVCNZ.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\windows\YVCNZ.exe	fb8f8634e228a5cdb7ec40b88b0b0dc0N.exe
File opened for modification	C:\windows\YVCNZ.exe	fb8f8634e228a5cdb7ec40b88b0b0dc0N.exe
File created	C:\windows\YVCNZ.exe.bat	fb8f8634e228a5cdb7ec40b88b0b0dc0N.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 3 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	YVCNZ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fb8f8634e228a5cdb7ec40b88b0b0dc0N.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1440	fb8f8634e228a5cdb7ec40b88b0b0dc0N.exe
1440	fb8f8634e228a5cdb7ec40b88b0b0dc0N.exe
2472	YVCNZ.exe
2472	YVCNZ.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1440	fb8f8634e228a5cdb7ec40b88b0b0dc0N.exe
1440	fb8f8634e228a5cdb7ec40b88b0b0dc0N.exe
2472	YVCNZ.exe
2472	YVCNZ.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 1772	1440	fb8f8634e228a5cdb7ec40b88b0b0dc0N.exe	31
PID 1440 wrote to memory of 1772	1440	fb8f8634e228a5cdb7ec40b88b0b0dc0N.exe	31
PID 1440 wrote to memory of 1772	1440	fb8f8634e228a5cdb7ec40b88b0b0dc0N.exe	31
PID 1440 wrote to memory of 1772	1440	fb8f8634e228a5cdb7ec40b88b0b0dc0N.exe	31
PID 1772 wrote to memory of 2472	1772	cmd.exe	33
PID 1772 wrote to memory of 2472	1772	cmd.exe	33
PID 1772 wrote to memory of 2472	1772	cmd.exe	33
PID 1772 wrote to memory of 2472	1772	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\fb8f8634e228a5cdb7ec40b88b0b0dc0N.exe
"C:\Users\Admin\AppData\Local\Temp\fb8f8634e228a5cdb7ec40b88b0b0dc0N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1440
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\windows\YVCNZ.exe.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1772
- - C:\windows\YVCNZ.exe
    C:\windows\YVCNZ.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:2472

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

C:\Windows\YVCNZ.exe

Filesize
448KB

MD5
6af1e813d7c4edde23f245e40e6a693d

SHA1
c248b32502beabe8ad6bc3fe07e44db2b8e93e61

SHA256
ee44a8b00d68c7a747b4bdce6e5755b99f3226ec4c9dd68f8e75824930b7b9df

SHA512
e3921e61a67c6a90b5983b5fbec7c063f847249c9d68504220df2d040ac3b8db3662173cba407ca0f56a48fe045e5e63d0f0036b783b18906ce4133f5b82a291

Download Submit
C:\Windows\YVCNZ.exe.bat

Filesize
56B

MD5
d017671bf93fd881a7c8d09c5a265009

SHA1
f06af49582516592db00e854061c6bb27d928a41

SHA256
5bc7c909df395fd7017acc1d6219b9e32b1110ae56bf4870a89a44241e9b0742

SHA512
8e4b91499503e03009bdbb592dd7bd9f0a188172bd5402c34f7c75ce54c7b3a983ee4a172d033b8ff51178da0ad7c664f228e576ec0f8794a4da2bb55c5b3a1e

Download Submit
memory/1440-0-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1440-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2472-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2472-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download