a18c30990669add6fc54ade26f05ce08361e7cc78c7ea4a28b218d2998eda571

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
10/09/2026, 03:43

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General

Target
jaffacakes118_Brink Update 5-SKIDROW.exe
Size 9.5MB
Sample260910-d97avawemf
SHA256 a18c30990669add6fc54ade26f05ce08361e7cc78c7ea4a28b218d2998eda571
MD5 8de9095b04eb5b0aea000cb90b0cbf61
SHA1 9684015f795656dcab5d73880de758279d66e4b4
SHA512 ad0cf1a05c5d47f14ffdff15053d1dbc280cb5498fbd85253f5e35ee2f611c14db30efaddb7fcf8a52208688e7fc2f4e7915d5e42792deb40e086ff1cf37403a
SSDEEP 1536:PYFpEddxllL+RMeLgXWXPLJizHVv/7cORCchyQTTwIvT2c3AQ:PYFpixDL+RHgG/LAzl/QRcpTMDc3T
TLSH
T150A6D00DAAC91A26E8EE077CECDF5341C376D8029913DB4F4EFC48096A5B7B28615787
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation	jaffacakes118_Brink Update 5-SKIDROW.exe

Executes dropped EXE 3 IoCs

pid	Process
1816	tqap5ltjfrao.exe
3944	audiohd.exe
4664	WUDHost.exe

Adds Run key to start application 2 TTPs 10 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Graphic Driver = "C:\\Users\\Admin\\AppData\\Roaming\\tqap5ltjfrao.exe"	tqap5ltjfrao.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Audio Driver = "\"C:\\Windows\\system32\\audiohd.exe\""	jaffacakes118_Brink Update 5-SKIDROW.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Audio Device = "C:\\Users\\Admin\\AppData\\Roaming\\tqap5ltjfrao.exe"	audiohd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Audio Driver = "\"C:\\Windows\\system32\\audiohd.exe\""	tqap5ltjfrao.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Audio Device = "C:\\Users\\Admin\\AppData\\Roaming\\tqap5ltjfrao.exe"	jaffacakes118_Brink Update 5-SKIDROW.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Graphic Driver = "C:\\Users\\Admin\\AppData\\Roaming\\tqap5ltjfrao.exe"	jaffacakes118_Brink Update 5-SKIDROW.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Graphic Driver = "C:\\Users\\Admin\\AppData\\Roaming\\tqap5ltjfrao.exe"	audiohd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Audio Device = "C:\\Users\\Admin\\AppData\\Roaming\\tqap5ltjfrao.exe"	WUDHost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Graphic Driver = "C:\\Users\\Admin\\AppData\\Roaming\\tqap5ltjfrao.exe"	WUDHost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Audio Device = "C:\\Users\\Admin\\AppData\\Roaming\\tqap5ltjfrao.exe"	tqap5ltjfrao.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\audiohd.exe	jaffacakes118_Brink Update 5-SKIDROW.exe
File opened for modification	C:\Windows\SysWOW64\audiohd.exe	jaffacakes118_Brink Update 5-SKIDROW.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Common Files\WUDHost.exe	jaffacakes118_Brink Update 5-SKIDROW.exe
File opened for modification	C:\Program Files (x86)\Common Files\WUDHost.exe	jaffacakes118_Brink Update 5-SKIDROW.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	jaffacakes118_Brink Update 5-SKIDROW.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tqap5ltjfrao.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	audiohd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WUDHost.exe

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	jaffacakes118_Brink Update 5-SKIDROW.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	jaffacakes118_Brink Update 5-SKIDROW.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	WUDHost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	audiohd.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	tqap5ltjfrao.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	tqap5ltjfrao.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	WUDHost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	audiohd.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	4092	jaffacakes118_Brink Update 5-SKIDROW.exe
Token: SeDebugPrivilege	1816	tqap5ltjfrao.exe
Token: 33	1816	tqap5ltjfrao.exe
Token: SeIncBasePriorityPrivilege	1816	tqap5ltjfrao.exe
Token: SeDebugPrivilege	3944	audiohd.exe
Token: SeDebugPrivilege	4664	WUDHost.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 3944	4092	jaffacakes118_Brink Update 5-SKIDROW.exe	92
PID 4092 wrote to memory of 4664	4092	jaffacakes118_Brink Update 5-SKIDROW.exe	93

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Brink Update 5-SKIDROW.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Brink Update 5-SKIDROW.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4092
- C:\Windows\SysWOW64\audiohd.exe
  "C:\Windows\system32\audiohd.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:3944
- C:\Program Files (x86)\Common Files\WUDHost.exe
  "C:\Program Files (x86)\Common Files\WUDHost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:4664

C:\Users\Admin\AppData\Roaming\tqap5ltjfrao.exe
C:\Users\Admin\AppData\Roaming\tqap5ltjfrao.exe
1⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:1816

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tqap5ltjfrao.exe

Path C:\Users\Admin\AppData\Roaming\tqap5ltjfrao.exe
Size 9.5MB
SHA256 a18c30990669add6fc54ade26f05ce08361e7cc78c7ea4a28b218d2998eda571
MD5 8de9095b04eb5b0aea000cb90b0cbf61
SHA1 9684015f795656dcab5d73880de758279d66e4b4
SHA512 ad0cf1a05c5d47f14ffdff15053d1dbc280cb5498fbd85253f5e35ee2f611c14db30efaddb7fcf8a52208688e7fc2f4e7915d5e42792deb40e086ff1cf37403a
SSDEEP 1536:PYFpEddxllL+RMeLgXWXPLJizHVv/7cORCchyQTTwIvT2c3AQ:PYFpixDL+RHgG/LAzl/QRcpTMDc3T
TLSH
T150A6D00DAAC91A26E8EE077CECDF5341C376D8029913DB4F4EFC48096A5B7B28615787
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1816-21-0x0000000075250000-0x0000000075801000-memory.dmp

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memory/1816-7-0x0000000075250000-0x0000000075801000-memory.dmp

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memory/1816-8-0x0000000075250000-0x0000000075801000-memory.dmp

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memory/1816-26-0x0000000075250000-0x0000000075801000-memory.dmp

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memory/1816-27-0x0000000075250000-0x0000000075801000-memory.dmp

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memory/3944-17-0x0000000075250000-0x0000000075801000-memory.dmp

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memory/3944-18-0x0000000075250000-0x0000000075801000-memory.dmp

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memory/3944-25-0x0000000075250000-0x0000000075801000-memory.dmp

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memory/4092-2-0x0000000075250000-0x0000000075801000-memory.dmp

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memory/4092-1-0x0000000075252000-0x0000000075254000-memory.dmp

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memory/4092-22-0x0000000075250000-0x0000000075801000-memory.dmp

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memory/4092-0-0x00000000011E0000-0x00000000011F0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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