tofsee | 6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 13:20

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General

Target

JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe
Size

242KB
MD5

2c68d9c4e5df87c3174b62feaaadd1b1
SHA1

189b7c11c1a376add061d184774f42f9f6918dad
SHA256

6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66
SHA512

3aeca678c39dbd8fa756ee07dbbd58b0a78dfb007d7afa8ec4a178927c479e827f939e7de6cd74db377b55954310d394e5627831ef77453b4d19b43a215aebf5
SSDEEP

6144:2FZQ9Gib7z1rzhr6Za7CD3XtHgih7iFqj2GRW:AZQbX1rzh2DD39AqwqPR

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\kopwtyxy = "0"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2688	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\kopwtyxy\ImagePath = "C:\\Windows\\SysWOW64\\kopwtyxy\\geommclb.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2680	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2632	geommclb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2632 set thread context of 2680	2632	geommclb.exe	43

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2748	sc.exe
2828	sc.exe
2808	sc.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 9 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	geommclb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2740	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	30
PID 2872 wrote to memory of 2740	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	30
PID 2872 wrote to memory of 2740	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	30
PID 2872 wrote to memory of 2740	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	30
PID 2872 wrote to memory of 2840	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	32
PID 2872 wrote to memory of 2840	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	32
PID 2872 wrote to memory of 2840	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	32
PID 2872 wrote to memory of 2840	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	32
PID 2872 wrote to memory of 2828	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	34
PID 2872 wrote to memory of 2828	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	34
PID 2872 wrote to memory of 2828	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	34
PID 2872 wrote to memory of 2828	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	34
PID 2872 wrote to memory of 2808	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	36
PID 2872 wrote to memory of 2808	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	36
PID 2872 wrote to memory of 2808	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	36
PID 2872 wrote to memory of 2808	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	36
PID 2872 wrote to memory of 2748	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	38
PID 2872 wrote to memory of 2748	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	38
PID 2872 wrote to memory of 2748	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	38
PID 2872 wrote to memory of 2748	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	38
PID 2872 wrote to memory of 2688	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	41
PID 2872 wrote to memory of 2688	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	41
PID 2872 wrote to memory of 2688	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	41
PID 2872 wrote to memory of 2688	2872	JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe	41
PID 2632 wrote to memory of 2680	2632	geommclb.exe	43
PID 2632 wrote to memory of 2680	2632	geommclb.exe	43
PID 2632 wrote to memory of 2680	2632	geommclb.exe	43
PID 2632 wrote to memory of 2680	2632	geommclb.exe	43
PID 2632 wrote to memory of 2680	2632	geommclb.exe	43
PID 2632 wrote to memory of 2680	2632	geommclb.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kopwtyxy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\geommclb.exe" C:\Windows\SysWOW64\kopwtyxy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2840
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kopwtyxy binPath= "C:\Windows\SysWOW64\kopwtyxy\geommclb.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2828
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kopwtyxy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2808
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kopwtyxy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2688

C:\Windows\SysWOW64\kopwtyxy\geommclb.exe
C:\Windows\SysWOW64\kopwtyxy\geommclb.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6b1b9d0dbe7ab8cc243bf56a7beec0d09aa27becbc334d82b8b511bfd68b6e66.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

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

C:\Users\Admin\AppData\Local\Temp\geommclb.exe

Filesize
12.3MB

MD5
1815b1112d7a62a59acc42d444fc0fdf

SHA1
6602862e96a76208beafd60a9a178039015057e1

SHA256
09645802b066b10b10d26d2fbbaf3b2874ef8c7da26153635d0337449585a9ef

SHA512
af0ae5deef380439f793cb7c416ba3537a1f32c71f9d67e834f416167e28be2fe541f487a58a608060156ab918560c47d01f9645b0ef2aa8baefebf4332853cb

Download Submit
memory/2632-17-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2680-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2872-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2872-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2872-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2872-8-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2872-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2872-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads