tofsee | 74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641

Analysis

max time kernel
145s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/12/2024, 17:22

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General

Target

JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe
Size

290KB
MD5

9946c671ddc90253608354599a3dcf42
SHA1

675c3b3e4682298fdd3120b836a68b84ee74730e
SHA256

74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641
SHA512

efcad1ff557ed3b8cf91c8e09580dfeb752f7011edc7404c95076a17285c852b154516015049d73c000a01cf2a128ae73e486a730e5b5d089364d8944b67d2c4
SSDEEP

6144:QZDhTWrhgUaxjFftGu35QZ+2PPFGrGuislc03r:QZDhTWrhgUWFfMuP0FGqb/0

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\ummdelpj = "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
2860	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\ummdelpj\ImagePath = "C:\\Windows\\SysWOW64\\ummdelpj\\adbwqxhr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2796	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	adbwqxhr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2692 set thread context of 2796	2692	adbwqxhr.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2740	sc.exe
2804	sc.exe
3032	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	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	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.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	adbwqxhr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 592	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	31
PID 2964 wrote to memory of 592	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	31
PID 2964 wrote to memory of 592	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	31
PID 2964 wrote to memory of 592	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	31
PID 2964 wrote to memory of 2852	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	33
PID 2964 wrote to memory of 2852	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	33
PID 2964 wrote to memory of 2852	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	33
PID 2964 wrote to memory of 2852	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	33
PID 2964 wrote to memory of 3032	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	35
PID 2964 wrote to memory of 3032	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	35
PID 2964 wrote to memory of 3032	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	35
PID 2964 wrote to memory of 3032	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	35
PID 2964 wrote to memory of 2740	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	37
PID 2964 wrote to memory of 2740	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	37
PID 2964 wrote to memory of 2740	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	37
PID 2964 wrote to memory of 2740	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	37
PID 2964 wrote to memory of 2804	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	39
PID 2964 wrote to memory of 2804	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	39
PID 2964 wrote to memory of 2804	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	39
PID 2964 wrote to memory of 2804	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	39
PID 2964 wrote to memory of 2860	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	42
PID 2964 wrote to memory of 2860	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	42
PID 2964 wrote to memory of 2860	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	42
PID 2964 wrote to memory of 2860	2964	JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe	42
PID 2692 wrote to memory of 2796	2692	adbwqxhr.exe	44
PID 2692 wrote to memory of 2796	2692	adbwqxhr.exe	44
PID 2692 wrote to memory of 2796	2692	adbwqxhr.exe	44
PID 2692 wrote to memory of 2796	2692	adbwqxhr.exe	44
PID 2692 wrote to memory of 2796	2692	adbwqxhr.exe	44
PID 2692 wrote to memory of 2796	2692	adbwqxhr.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2964
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ummdelpj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:592
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\adbwqxhr.exe" C:\Windows\SysWOW64\ummdelpj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2852
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ummdelpj binPath= "C:\Windows\SysWOW64\ummdelpj\adbwqxhr.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3032
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ummdelpj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ummdelpj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- 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:2860

C:\Windows\SysWOW64\ummdelpj\adbwqxhr.exe
C:\Windows\SysWOW64\ummdelpj\adbwqxhr.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_74125bebe72f5fb29914fbdd87b8e8083cbb1a285310f0ec1a942c74adc4b641.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692
- 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:2796

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\adbwqxhr.exe

Filesize
13.8MB

MD5
9f37779cf42a89d8ff35a42eca1bbd64

SHA1
c322fe6b75e883a06c4bda56c9263c0007abf791

SHA256
1783fe7b1ba02a1f6ddb4c8176ea4e512c9ab9e7b21c9c6262728f1c5b593e5c

SHA512
747709759e4e3d6fab515d2733926944601ab8a8462b1efcffca65f58485b9d5747a1e0a18159c6b63f01e60d623830e5e1a340c93de725b1cb8d21111aca6ae

Download Submit
memory/2692-17-0x0000000000400000-0x0000000000878000-memory.dmp

Filesize
4.5MB

Download
memory/2796-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2796-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2796-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2796-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2964-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2964-8-0x0000000000400000-0x0000000000878000-memory.dmp

Filesize
4.5MB

Download
memory/2964-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2964-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2964-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2964-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads