tofsee | 1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6

Analysis

max time kernel
144s
max time network
148s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 10:51

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General

Target

JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe
Size

238KB
MD5

9b58fb125967b2e13c612fd5914b88a3
SHA1

64b1235daa9bf5626f103de55fbda99f07bd1bb2
SHA256

1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6
SHA512

988e330b7ffad344211ad85aaf5e7a42efa9f922aa72ad7fa7ba15aace22c914d0e2af5557edfffbdc9d0fd68c180249542c99ba81f0883f8471e070b1d9f923
SSDEEP

6144:G1ZQ7rqS/SWrdP8m/0B3GETtrLNCE9ZvKHy/o9:IZDWrdP8sET5L1/A6o9

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\twpmozwh = "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
2396	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\twpmozwh\ImagePath = "C:\\Windows\\SysWOW64\\twpmozwh\\tadbccsg.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2828	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2916	tadbccsg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2916 set thread context of 2828	2916	tadbccsg.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
876	sc.exe
2748	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	cmd.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.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	tadbccsg.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2152	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	31
PID 2500 wrote to memory of 2152	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	31
PID 2500 wrote to memory of 2152	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	31
PID 2500 wrote to memory of 2152	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	31
PID 2500 wrote to memory of 2816	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	33
PID 2500 wrote to memory of 2816	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	33
PID 2500 wrote to memory of 2816	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	33
PID 2500 wrote to memory of 2816	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	33
PID 2500 wrote to memory of 876	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	35
PID 2500 wrote to memory of 876	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	35
PID 2500 wrote to memory of 876	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	35
PID 2500 wrote to memory of 876	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	35
PID 2500 wrote to memory of 2748	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	37
PID 2500 wrote to memory of 2748	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	37
PID 2500 wrote to memory of 2748	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	37
PID 2500 wrote to memory of 2748	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	37
PID 2500 wrote to memory of 2808	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	39
PID 2500 wrote to memory of 2808	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	39
PID 2500 wrote to memory of 2808	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	39
PID 2500 wrote to memory of 2808	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	39
PID 2500 wrote to memory of 2396	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	42
PID 2500 wrote to memory of 2396	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	42
PID 2500 wrote to memory of 2396	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	42
PID 2500 wrote to memory of 2396	2500	JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe	42
PID 2916 wrote to memory of 2828	2916	tadbccsg.exe	44
PID 2916 wrote to memory of 2828	2916	tadbccsg.exe	44
PID 2916 wrote to memory of 2828	2916	tadbccsg.exe	44
PID 2916 wrote to memory of 2828	2916	tadbccsg.exe	44
PID 2916 wrote to memory of 2828	2916	tadbccsg.exe	44
PID 2916 wrote to memory of 2828	2916	tadbccsg.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\twpmozwh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2152
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tadbccsg.exe" C:\Windows\SysWOW64\twpmozwh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create twpmozwh binPath= "C:\Windows\SysWOW64\twpmozwh\tadbccsg.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:876
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description twpmozwh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start twpmozwh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2808
- 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:2396

C:\Windows\SysWOW64\twpmozwh\tadbccsg.exe
C:\Windows\SysWOW64\twpmozwh\tadbccsg.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1169ad7e7d5ef548ba83516573609de08e98c4b44ec21b9a85f38ff608ef2ba6.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916
- 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:2828

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\tadbccsg.exe

Filesize
11.0MB

MD5
6182fac87d540adb41d48d59d99c9cf7

SHA1
a0816aa72d071d81d9628b7ee8604339f84b2be5

SHA256
db019e887e18c5dbd3de336058561ce700fb497f3de787e4e65f5f854806ac3c

SHA512
45be46b7158ca24a2fa3d8703e521148430536f4c81b5f44493337f00a6abed926976ed6ed76b4769bbeaa73c05d6502e3685b184e4fb88dfb0f2090c9b1e1a1

Download Submit
memory/2500-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2500-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2500-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2500-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2500-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2500-1-0x0000000000890000-0x0000000000990000-memory.dmp

Filesize
1024KB

Download
memory/2828-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2828-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2828-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2828-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2828-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2916-15-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads