tofsee | 60e01eabbc05e7a80be2f23ad0902b0598f433ac3bfd06e0371429893ceb57ea

Analysis

max time kernel
146s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 04:58

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General

Target

JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe
Size

13.2MB
MD5

4ed52beb87115613314a21d52638e6fb
SHA1

f85427d24582cf1a66606d171f6718d93b141546
SHA256

60e01eabbc05e7a80be2f23ad0902b0598f433ac3bfd06e0371429893ceb57ea
SHA512

fcd09c63032cba0d290ebef76830f095e84ccb4671dd53e4423cfcbba1fe0945e00f91b00c68b135591768937c520e71acad14dc3a06492de0208c17dd9b0db9
SSDEEP

49152:MIc6CLNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN3:1c6C

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

lazystax.ru

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\zukkkhwy = "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
2736	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\zukkkhwy\ImagePath = "C:\\Windows\\SysWOW64\\zukkkhwy\\aabmhigo.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
876	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	aabmhigo.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2692 set thread context of 876	2692	aabmhigo.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
3024	sc.exe
2796	sc.exe
2660	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aabmhigo.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2768	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	30
PID 2908 wrote to memory of 2768	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	30
PID 2908 wrote to memory of 2768	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	30
PID 2908 wrote to memory of 2768	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	30
PID 2908 wrote to memory of 2820	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	32
PID 2908 wrote to memory of 2820	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	32
PID 2908 wrote to memory of 2820	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	32
PID 2908 wrote to memory of 2820	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	32
PID 2908 wrote to memory of 3024	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	34
PID 2908 wrote to memory of 3024	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	34
PID 2908 wrote to memory of 3024	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	34
PID 2908 wrote to memory of 3024	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	34
PID 2908 wrote to memory of 2796	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	36
PID 2908 wrote to memory of 2796	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	36
PID 2908 wrote to memory of 2796	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	36
PID 2908 wrote to memory of 2796	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	36
PID 2908 wrote to memory of 2660	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	38
PID 2908 wrote to memory of 2660	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	38
PID 2908 wrote to memory of 2660	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	38
PID 2908 wrote to memory of 2660	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	38
PID 2908 wrote to memory of 2736	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	41
PID 2908 wrote to memory of 2736	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	41
PID 2908 wrote to memory of 2736	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	41
PID 2908 wrote to memory of 2736	2908	JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe	41
PID 2692 wrote to memory of 876	2692	aabmhigo.exe	43
PID 2692 wrote to memory of 876	2692	aabmhigo.exe	43
PID 2692 wrote to memory of 876	2692	aabmhigo.exe	43
PID 2692 wrote to memory of 876	2692	aabmhigo.exe	43
PID 2692 wrote to memory of 876	2692	aabmhigo.exe	43
PID 2692 wrote to memory of 876	2692	aabmhigo.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zukkkhwy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\aabmhigo.exe" C:\Windows\SysWOW64\zukkkhwy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2820
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zukkkhwy binPath= "C:\Windows\SysWOW64\zukkkhwy\aabmhigo.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ed52beb87115613314a21d52638e6fb.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3024
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zukkkhwy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2796
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zukkkhwy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2660
- 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:2736

C:\Windows\SysWOW64\zukkkhwy\aabmhigo.exe
C:\Windows\SysWOW64\zukkkhwy\aabmhigo.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ed52beb87115613314a21d52638e6fb.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:876

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\aabmhigo.exe

Filesize
13.0MB

MD5
5c6f710188dfb2867eb57014cd6f0505

SHA1
45bbeefa7573004d673d8bfad802ddcf1cb1a47f

SHA256
1dbbb98951f2eb5395f7c75aea0738624c9adcb5fe817e359fb93079c288be72

SHA512
fa866aaf1cb770a03b01c388cf7fd1a678fee2139a97ea7abd577096ac38acd55da46b9499eaabdeb07d5c25b26eaab063cb7c42b52f9e06c61925d7df991edf

Download Submit
memory/876-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/876-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/876-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/876-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/876-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2692-15-0x0000000000400000-0x0000000002BAB000-memory.dmp

Filesize
39.7MB

Download
memory/2908-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2908-1-0x0000000002C50000-0x0000000002D50000-memory.dmp

Filesize
1024KB

Download
memory/2908-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2908-7-0x0000000000400000-0x0000000002BAB000-memory.dmp

Filesize
39.7MB

Download
memory/2908-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2908-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads