b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

Analysis

max time kernel
144s
max time network
160s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
04-01-2025 01:14

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General

Target

The-MALWARE-Repo-master/Email-Worm/Bugsoft.exe
Size

32KB
MD5

70f549ae7fafc425a4c5447293f04fdb
SHA1

af4b0ed0e0212aced62d40b24ad6861dbfd67b61
SHA256

96425ae53a5517b9f47e30f6b41fdc883831039e1faba02fe28b2d5f3efcdc29
SHA512

3f83e9e6d5bc080fb5c797617078aff9bc66efcd2ffac091a97255911c64995a2d83b5e93296f7a57ff3713d92952b30a06fc38cd574c5fe58f008593040b7f0
SSDEEP

384:/TELevJlARz3z1AWoYbEz3QqRbViB3CoUEmeQo/o2Y0gsjDWK7L:/gLevJlARz3z1AWoYbEz3Ngk6WK7L

Score

4^/10

discovery

Malware Config

Signatures

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	\??\c:\windows\jk.bat	Bugsoft.exe
File created	\??\c:\windows\mail.vbs	Bugsoft.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	Bugsoft.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4580	Bugsoft.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4580 wrote to memory of 472	4580	Bugsoft.exe	82
PID 4580 wrote to memory of 472	4580	Bugsoft.exe	82
PID 4580 wrote to memory of 472	4580	Bugsoft.exe	82

C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Email-Worm\Bugsoft.exe
"C:\Users\Admin\AppData\Local\Temp\The-MALWARE-Repo-master\Email-Worm\Bugsoft.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4580
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c c:\windows\jk.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:472

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

\??\c:\windows\jk.bat

Filesize
3KB

MD5
a725af7c07b52549023be73328e55809

SHA1
c9d8072aaac80f6cf1edfaeaba6c934196631c81

SHA256
e009a52eeb2138531c799905010f7677b0fdd4190abe4ac0a25e0e15eb30d865

SHA512
d4cd904da5c6a5c6112d212b218abc76429da0e4d6382f4fbd9ca51a976eedef26e202607ff6041c4de7e9db783f62e5a24ee560fed068945aef69fa5491a3ce

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