d11cb01e922f3ea7721d08dde9eff5c2779367627e2db18b8edbb96a415a293a

Analysis

user interaction
yes
max time kernel
1s
max time network
7s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/10/2026, 10:33

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Reason

Machine shutdown

General

Target
Viper.exe
Size 10KB
Sample261024-mlx7pstwez
SHA256 d11cb01e922f3ea7721d08dde9eff5c2779367627e2db18b8edbb96a415a293a
MD5 6dd36fcec9b947d6db90fb428919c1ee
SHA1 8e48819cd68e8413139536ed9a7d79e47d8af10d
SHA512 858ca6a83c092a6e4900f9ae0590562ea6a4ddb52f18831cf672c9ac3161d818306f9ab6597785fbb2e97d58d917a8c2b56bf3a2d0b011df7b5ae162029e986e
SSDEEP 96:H2Ti3nayve3Df7iqBDHG4fLn/Gjba8PYW3l7QyOIL1ibbACHWZwzT6Nkkgbg7uuk:WT0Q7zTO3XLl1OE8xpqCbnXUZ6
TLSH
T1AA22D754FBE4CE25F6BA5BF60E73D7009339E5E54E03C61F15A881A92BA138848927F1
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

adware execution stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{761497BB-D6F0-462C-B6EB-D4DAF1D92D43}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{DBC80044-A445-435b-BC74-9C25C1C588A9}	reg.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	reg.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
5708	cmd.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 120	1132	Viper.exe	88

C:\Users\Admin\AppData\Local\Temp\Viper.exe
"C:\Users\Admin\AppData\Local\Temp\Viper.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1132
- C:\Windows\SYSTEM32\reg.exe
  "reg" delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion /f
  2⤵
  - Installs/modifies Browser Helper Object
  PID:120
- C:\Windows\SYSTEM32\reg.exe
  "reg" delete HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet /f
  2⤵
  PID:2924
- C:\Windows\SYSTEM32\reg.exe
  "reg" delete HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001 /f
  2⤵
  PID:1756
- C:\Windows\SYSTEM32\reg.exe
  "reg" delete HKEY_CURRENT_USER\Software /f
  2⤵
  PID:4616
- C:\Windows\SYSTEM32\reg.exe
  "reg" delete HKEY_LOCAL_MACHINE\SOFTWARE\Classes /f
  2⤵
  PID:1900
- C:\Windows\SYSTEM32\reg.exe
  "reg" delete HKEY_LOCAL_MACHINE\SYSTEM\Setup /f
  2⤵
  PID:2000
- C:\Windows\SYSTEM32\reg.exe
  "reg" delete HKEY_LOCAL_MACHINE\SYSTEM\DeviceMapper /f
  2⤵
  PID:1028
- C:\Windows\SYSTEM32\reg.exe
  "reg" delete HKEY_LOCAL_MACHINE\SOFTWARE\Policies /f
  2⤵
  PID:4624
- C:\Windows\SYSTEM32\reg.exe
  "reg" delete HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT /f
  2⤵
  PID:3248
- C:\Windows\SYSTEM32\reg.exe
  "reg" delete HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services /f
  2⤵
  PID:1136
- C:\Windows\SYSTEM32\cmd.exe
  "cmd" /c echo FFFF > C:\BIOS_CHK.dat
  2⤵
  - Executes a command shell one-liner
  PID:5708

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1132-0-0x00007FFC6366F000-0x00007FFC63670000-memory.dmp

Download

memory/1132-1-0x0000000000D90000-0x0000000000D98000-memory.dmp

Download

memory/1132-2-0x00007FFC634E0000-0x00007FFC63E84000-memory.dmp

Download

memory/1132-3-0x00007FFC634E0000-0x00007FFC63E84000-memory.dmp

Download

memory/1132-4-0x00007FFC634E0000-0x00007FFC63E84000-memory.dmp

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memory/1132-5-0x00007FFC634E0000-0x00007FFC63E84000-memory.dmp

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads