tofsee | 78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10-01-2025 12:34

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General

Target

JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe
Size

11.3MB
MD5

e465df146e4a00ed2e4a0d941003a13c
SHA1

451f1f0877d638646261a730de87929f01debf68
SHA256

78ffb37d0d83a6cab5ffda39feca2226b7313e14cf2591742a713cbbf4346ef5
SHA512

39151020dc52e537ae0333a2a317f70406f9da72fb9013fd49358cb71a39fabc5c267e0fb19d2e28dc2fa221b218857b9dc03320f64b03e99fb31a615cc06983
SSDEEP

3072:NoiqjV0QCeV75zMwb2EfDXTBrt0c5f+Z7ApWt+0krytpObPUfAGM4H1M4CjiJNx4:NoiqjWHeV9zthDjBrmA+VkDbSAgQiTx

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\objvzcmm = "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
2772	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\objvzcmm\ImagePath = "C:\\Windows\\SysWOW64\\objvzcmm\\pjscpsxj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2864	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2472	pjscpsxj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2472 set thread context of 2864	2472	pjscpsxj.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
1824	sc.exe
2104	sc.exe
2724	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.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	pjscpsxj.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2544	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	30
PID 1740 wrote to memory of 2544	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	30
PID 1740 wrote to memory of 2544	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	30
PID 1740 wrote to memory of 2544	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	30
PID 1740 wrote to memory of 948	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	32
PID 1740 wrote to memory of 948	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	32
PID 1740 wrote to memory of 948	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	32
PID 1740 wrote to memory of 948	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	32
PID 1740 wrote to memory of 1824	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	34
PID 1740 wrote to memory of 1824	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	34
PID 1740 wrote to memory of 1824	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	34
PID 1740 wrote to memory of 1824	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	34
PID 1740 wrote to memory of 2104	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	36
PID 1740 wrote to memory of 2104	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	36
PID 1740 wrote to memory of 2104	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	36
PID 1740 wrote to memory of 2104	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	36
PID 1740 wrote to memory of 2724	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	38
PID 1740 wrote to memory of 2724	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	38
PID 1740 wrote to memory of 2724	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	38
PID 1740 wrote to memory of 2724	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	38
PID 1740 wrote to memory of 2772	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	41
PID 1740 wrote to memory of 2772	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	41
PID 1740 wrote to memory of 2772	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	41
PID 1740 wrote to memory of 2772	1740	JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe	41
PID 2472 wrote to memory of 2864	2472	pjscpsxj.exe	43
PID 2472 wrote to memory of 2864	2472	pjscpsxj.exe	43
PID 2472 wrote to memory of 2864	2472	pjscpsxj.exe	43
PID 2472 wrote to memory of 2864	2472	pjscpsxj.exe	43
PID 2472 wrote to memory of 2864	2472	pjscpsxj.exe	43
PID 2472 wrote to memory of 2864	2472	pjscpsxj.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\objvzcmm\
  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\pjscpsxj.exe" C:\Windows\SysWOW64\objvzcmm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create objvzcmm binPath= "C:\Windows\SysWOW64\objvzcmm\pjscpsxj.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1824
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description objvzcmm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2104
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start objvzcmm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2724
- 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:2772

C:\Windows\SysWOW64\objvzcmm\pjscpsxj.exe
C:\Windows\SysWOW64\objvzcmm\pjscpsxj.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e465df146e4a00ed2e4a0d941003a13c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2472
- 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:2864

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\pjscpsxj.exe

Filesize
13.8MB

MD5
8e25925eba4f51b3cede303e2996a323

SHA1
7f562824a32f2aff51277738edda859bcd7e63b7

SHA256
de6054f3ec030915bdb1a175e5d4b9ff671d16527f61d252f76687469f019a3d

SHA512
2f449309844a37c6a31f4054bb236544fc036be31fda8334579cd94c5bdd6d690aff301f34e2bb8bd5f63594ffdea11eff427d6f9ba099776961b9acb78cc5f6

Download Submit
memory/1740-8-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/1740-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1740-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1740-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1740-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1740-1-0x0000000000990000-0x0000000000A90000-memory.dmp

Filesize
1024KB

Download
memory/2472-15-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2864-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2864-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2864-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2864-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2864-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2864-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads