tofsee | ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2

Analysis

max time kernel
150s
max time network
144s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 14:58

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General

Target

JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe
Size

138KB
MD5

223b4026fb997a4de0d42991a3629e85
SHA1

0d03685aeae7b4e49068e3e84bc154be5fc1f8b6
SHA256

ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2
SHA512

28b9e376420562d2354b995d834cf25611c787aceaea0ec22a6f736ee6fe54717e98bfb031012130f254d0d599fc134c48eba824d42ef02ca6c51a97a0812429
SSDEEP

1536:QtZPAC2DLRaPLmePIWdy38y9Pk9HDQ21XNk+fMk5NjIOhY0U+j0n:XumeAD8vjnZPMk5mj0e

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\wemlzxzm = "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
2176	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\wemlzxzm\ImagePath = "C:\\Windows\\SysWOW64\\wemlzxzm\\ndddsjph.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2680	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2892	ndddsjph.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2892 set thread context of 2680	2892	ndddsjph.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
1664	sc.exe
2872	sc.exe
2784	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	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.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	ndddsjph.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 2544	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	29
PID 1056 wrote to memory of 2544	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	29
PID 1056 wrote to memory of 2544	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	29
PID 1056 wrote to memory of 2544	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	29
PID 1056 wrote to memory of 1484	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	31
PID 1056 wrote to memory of 1484	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	31
PID 1056 wrote to memory of 1484	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	31
PID 1056 wrote to memory of 1484	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	31
PID 1056 wrote to memory of 1664	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	33
PID 1056 wrote to memory of 1664	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	33
PID 1056 wrote to memory of 1664	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	33
PID 1056 wrote to memory of 1664	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	33
PID 1056 wrote to memory of 2872	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	35
PID 1056 wrote to memory of 2872	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	35
PID 1056 wrote to memory of 2872	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	35
PID 1056 wrote to memory of 2872	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	35
PID 1056 wrote to memory of 2784	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	37
PID 1056 wrote to memory of 2784	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	37
PID 1056 wrote to memory of 2784	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	37
PID 1056 wrote to memory of 2784	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	37
PID 1056 wrote to memory of 2176	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	40
PID 1056 wrote to memory of 2176	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	40
PID 1056 wrote to memory of 2176	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	40
PID 1056 wrote to memory of 2176	1056	JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe	40
PID 2892 wrote to memory of 2680	2892	ndddsjph.exe	42
PID 2892 wrote to memory of 2680	2892	ndddsjph.exe	42
PID 2892 wrote to memory of 2680	2892	ndddsjph.exe	42
PID 2892 wrote to memory of 2680	2892	ndddsjph.exe	42
PID 2892 wrote to memory of 2680	2892	ndddsjph.exe	42
PID 2892 wrote to memory of 2680	2892	ndddsjph.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wemlzxzm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ndddsjph.exe" C:\Windows\SysWOW64\wemlzxzm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1484
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wemlzxzm binPath= "C:\Windows\SysWOW64\wemlzxzm\ndddsjph.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wemlzxzm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wemlzxzm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2784
- 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:2176

C:\Windows\SysWOW64\wemlzxzm\ndddsjph.exe
C:\Windows\SysWOW64\wemlzxzm\ndddsjph.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ff133f96c330a714e7fa30fa0744529db63e650fe9bad172f6d3e032ec2121c2.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892
- 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\ndddsjph.exe

Filesize
12.0MB

MD5
a4053ee05bbf9f3785c1f7f07b8e06a7

SHA1
1d7a7f76f9ff91cfcb86ae318f9672109abb2858

SHA256
5e1ebcc8dc8d786611b09180c0d76ca42ea8575acf88dfd15bde0df5b6c00d8d

SHA512
1202d2f64e2fb8d24ed29bd6304e7975f71c45f6a950657a0908479fba013a8cabed74b1a37880b090772913b5803eab0f892503075a5757881b02c5b4ede40a

Download Submit
memory/1056-8-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1056-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/1056-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1056-10-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/1056-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1056-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2680-11-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2680-16-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2680-14-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

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

Filesize
4KB

Download
memory/2680-18-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2892-17-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads