tofsee | e801ec0c491f33580b9474ab6e202b18f6952d48b69019a9c4ed48c279c5cf33

Analysis

max time kernel
141s
max time network
140s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 00:24

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General

Target

df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe
Size

10.5MB
MD5

df22722085baaf84cd07e5d92b7ac69a
SHA1

9be3215a254149267f6477c8e3e64d18aef0e38d
SHA256

e801ec0c491f33580b9474ab6e202b18f6952d48b69019a9c4ed48c279c5cf33
SHA512

c804dcc3643d69d1a4c330eafddd39e043584220d907d42e7dfeb353f5bc67e0fc0d1614e4e769b1d25b627cbe413369bb13e81243b3d25add5b8ad371589531
SSDEEP

49152:Z88888888888888888888888888888888888888888888888888888888888888f:

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\svbfgmtk = "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
2972	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\svbfgmtk\ImagePath = "C:\\Windows\\SysWOW64\\svbfgmtk\\ziqohjmm.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2560	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2880	ziqohjmm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2880 set thread context of 2560	2880	ziqohjmm.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2668	sc.exe
2312	sc.exe
1336	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	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ziqohjmm.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	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	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2124	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	30
PID 2084 wrote to memory of 2124	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	30
PID 2084 wrote to memory of 2124	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	30
PID 2084 wrote to memory of 2124	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	30
PID 2084 wrote to memory of 2340	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	32
PID 2084 wrote to memory of 2340	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	32
PID 2084 wrote to memory of 2340	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	32
PID 2084 wrote to memory of 2340	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	32
PID 2084 wrote to memory of 2668	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	34
PID 2084 wrote to memory of 2668	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	34
PID 2084 wrote to memory of 2668	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	34
PID 2084 wrote to memory of 2668	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	34
PID 2084 wrote to memory of 2312	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	36
PID 2084 wrote to memory of 2312	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	36
PID 2084 wrote to memory of 2312	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	36
PID 2084 wrote to memory of 2312	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	36
PID 2084 wrote to memory of 1336	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	38
PID 2084 wrote to memory of 1336	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	38
PID 2084 wrote to memory of 1336	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	38
PID 2084 wrote to memory of 1336	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	38
PID 2084 wrote to memory of 2972	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	41
PID 2084 wrote to memory of 2972	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	41
PID 2084 wrote to memory of 2972	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	41
PID 2084 wrote to memory of 2972	2084	df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe	41
PID 2880 wrote to memory of 2560	2880	ziqohjmm.exe	44
PID 2880 wrote to memory of 2560	2880	ziqohjmm.exe	44
PID 2880 wrote to memory of 2560	2880	ziqohjmm.exe	44
PID 2880 wrote to memory of 2560	2880	ziqohjmm.exe	44
PID 2880 wrote to memory of 2560	2880	ziqohjmm.exe	44
PID 2880 wrote to memory of 2560	2880	ziqohjmm.exe	44

C:\Users\Admin\AppData\Local\Temp\df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\svbfgmtk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2124
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ziqohjmm.exe" C:\Windows\SysWOW64\svbfgmtk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2340
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create svbfgmtk binPath= "C:\Windows\SysWOW64\svbfgmtk\ziqohjmm.exe /d\"C:\Users\Admin\AppData\Local\Temp\df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2668
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description svbfgmtk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2312
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start svbfgmtk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1336
- 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:2972

C:\Windows\SysWOW64\svbfgmtk\ziqohjmm.exe
C:\Windows\SysWOW64\svbfgmtk\ziqohjmm.exe /d"C:\Users\Admin\AppData\Local\Temp\df22722085baaf84cd07e5d92b7ac69a_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2880
- 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:2560

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\ziqohjmm.exe

Filesize
11.7MB

MD5
e626f5883ad8361e8c5d670263bd38ce

SHA1
11857b4fee8f214b686ab6554e37d3a8a5804a48

SHA256
b7d840685f86fe58ba44dca0a225185930e7d8255f5c4e01445196401fb127ae

SHA512
c23ce412c8679db0951c1a7c45e98a10a64bdb5ba0f2a5640f1cbc42b3bfd6c161f249ba3b1cb598eed76392508c3121e4b8c94aae1e7b42f946e11297cdd3a5

Download Submit
memory/2084-2-0x0000000000400000-0x0000000002C68000-memory.dmp

Filesize
40.4MB

Download
memory/2084-3-0x0000000000400000-0x0000000002C68000-memory.dmp

Filesize
40.4MB

Download
memory/2084-8-0x0000000000400000-0x0000000002C68000-memory.dmp

Filesize
40.4MB

Download
memory/2560-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2560-12-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2560-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2560-9-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2560-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2880-14-0x0000000000400000-0x0000000002C68000-memory.dmp

Filesize
40.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads