b3020dd6c9ffceaba72c465c8d596cf04e2d7388b4fd58f10d78be6b91a7e99d

Resubmissions

06/11/2024, 22:33

241106-2glenszake8

06/11/2024, 22:30

241106-2e2c4szcrl8

Analysis

max time kernel
18s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06/11/2024, 22:33

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General

Target
salinewin.exe
Size 283KB
Sample241106-2glenszake
SHA256 7163fefbf2f865ef78a2d3d4480532fffb979300d6f0a77b6f3fc5c4b0d2cada
MD5 2b1e9226d7e1015552a21faca891ec41
SHA1 f87fcbe10fa9312048214d4473498ad4f9f331ce
SHA512 1852f6d05c9fca962178bc190bc8c90f0ca54ea99714480690f44417e49eee6c392579091ae8a6cd053ec47ad1980dbbbc0db3e0e00520ee1bdbadbf8dc9d69e
SSDEEP 3072:HZVUJ58IAelkapH3shY6iEwgaBZP5pHQpYR95WPNpNMl3:nUJ5PzB5ZPPHQpY35WPNpGl3
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

bootkit discovery evasion persistence

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	salinewin.exe

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	salinewin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2224	reg.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	3036	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3036	AUDIODG.EXE
Token: 33	3036	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3036	AUDIODG.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2304	2324	salinewin.exe	29
PID 2324 wrote to memory of 2304	2324	salinewin.exe	29
PID 2324 wrote to memory of 2304	2324	salinewin.exe	29
PID 2324 wrote to memory of 2304	2324	salinewin.exe	29
PID 2304 wrote to memory of 2224	2304	cmd.exe	31
PID 2304 wrote to memory of 2224	2304	cmd.exe	31
PID 2304 wrote to memory of 2224	2304	cmd.exe	31
PID 2304 wrote to memory of 2224	2304	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\salinewin.exe
"C:\Users\Admin\AppData\Local\Temp\salinewin.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c REG ADD hkcu\Software\Microsoft\Windows\CurrentVersion\policies\system /v DisableTaskMgr /t reg_dword /d 1 /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2304
- - C:\Windows\SysWOW64\reg.exe
    REG ADD hkcu\Software\Microsoft\Windows\CurrentVersion\policies\system /v DisableTaskMgr /t reg_dword /d 1 /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies registry key
    PID:2224

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x558
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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