f04afa122d919fe049eb055ab6d29f8a414b4041440af660895916b7e32f20a0

Analysis

max time kernel
117s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31/01/2025, 18:47

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General

Target

virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe
Size

960KB
MD5

eb4dc797b31871c193bd57e75feda4cd
SHA1

6bbf67fdd8afb7169029c380759ed466bc6a9c6e
SHA256

6df068e0c186d1dcfbe22e568f0ae287f89bbb7be04d9fbe38b47e2694c0bbe7
SHA512

80c5f4a047ad63c23ff5158f6966d066716c7ca826d5f9d55170b5a4508cbfb1bdcf153cb4c7e664408e5cbef85ca9ac6ba932f2a046060cce092a8316dff7dd
SSDEEP

12288:OCh9wJlnu3M5taezc6+RmstjlDa/ZSt4mv+ni5:FPwJlnu8ba2c6+RmsDa/ZSt4mv+ni5

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3060	virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe

Executes dropped EXE 1 IoCs

pid	Process
3060	virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe

Loads dropped DLL 4 IoCs

pid	Process
2820	virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe
2852	WerFault.exe
2852	WerFault.exe
2852	WerFault.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2852	3060	WerFault.exe	31

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	virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2820	virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3060	virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 3060	2820	virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe	31
PID 2820 wrote to memory of 3060	2820	virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe	31
PID 2820 wrote to memory of 3060	2820	virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe	31
PID 2820 wrote to memory of 3060	2820	virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe	31
PID 3060 wrote to memory of 2852	3060	virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe	32
PID 3060 wrote to memory of 2852	3060	virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe	32
PID 3060 wrote to memory of 2852	3060	virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe	32
PID 3060 wrote to memory of 2852	3060	virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe	32

C:\Users\Admin\AppData\Local\Temp\virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe
"C:\Users\Admin\AppData\Local\Temp\virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Users\Admin\AppData\Local\Temp\virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe
  C:\Users\Admin\AppData\Local\Temp\virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:3060
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 144
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2852

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\virussign.com_eb4dc797b31871c193bd57e75feda4cd.exe

Filesize
960KB

MD5
4dc25bf6cadcdcb982152c5dd189f9da

SHA1
dfbf1e787a919e58918bcb5171044ef8c26115ba

SHA256
cec7b333fc900b4d00a4934bc113d1481855eb5fb4b6a57d0ab451a5dc7a83ed

SHA512
4fb7ed51d8af7826f1abeb125c6c4497cab0777d03677f2fd7ee4e814af08d4bd7340371d3d2eaf75affb12fedc5af51a9d72689f93d7f9fac197c08badfabcc

Download Submit
memory/2820-0-0x0000000000400000-0x00000000004EF000-memory.dmp

Filesize
956KB

Download
memory/2820-6-0x0000000000310000-0x00000000003FF000-memory.dmp

Filesize
956KB

Download
memory/2820-9-0x0000000000400000-0x00000000004EF000-memory.dmp

Filesize
956KB

Download
memory/3060-10-0x0000000000400000-0x00000000004EF000-memory.dmp

Filesize
956KB

Download
memory/3060-11-0x0000000002F90000-0x000000000307F000-memory.dmp

Filesize
956KB

Download
memory/3060-15-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download