tofsee | 00a7fe01857f4c5a118c936b5573b4c2755c8369534870394c3d61a5af058bcc

Analysis

max time kernel
148s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 16:24

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General

Target

JaffaCakes118_6673656f0eea34edbe311046d2525113.exe
Size

11.2MB
MD5

6673656f0eea34edbe311046d2525113
SHA1

d94411ba9cec4a38a2f2ddf11df6f2e27eb5cbfd
SHA256

00a7fe01857f4c5a118c936b5573b4c2755c8369534870394c3d61a5af058bcc
SHA512

f321489b42db6d062837414749adaefffeb87703f937b8ebb1e27a670cae75128af278222284b8bd72d26828535b1683d821e97b721d110b971d183312f37a01
SSDEEP

12288:ozZd0++++++++++++++++++++++++++++++++++++++++++++++++++++++++++/:ozZ

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\rhmprtim = "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
2680	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\rhmprtim\ImagePath = "C:\\Windows\\SysWOW64\\rhmprtim\\nmacqnog.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2572	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2424	nmacqnog.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2424 set thread context of 2572	2424	nmacqnog.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2648	sc.exe
2764	sc.exe
2688	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	nmacqnog.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	JaffaCakes118_6673656f0eea34edbe311046d2525113.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2448	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	31
PID 2080 wrote to memory of 2448	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	31
PID 2080 wrote to memory of 2448	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	31
PID 2080 wrote to memory of 2448	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	31
PID 2080 wrote to memory of 2288	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	33
PID 2080 wrote to memory of 2288	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	33
PID 2080 wrote to memory of 2288	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	33
PID 2080 wrote to memory of 2288	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	33
PID 2080 wrote to memory of 2648	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	35
PID 2080 wrote to memory of 2648	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	35
PID 2080 wrote to memory of 2648	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	35
PID 2080 wrote to memory of 2648	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	35
PID 2080 wrote to memory of 2764	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	37
PID 2080 wrote to memory of 2764	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	37
PID 2080 wrote to memory of 2764	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	37
PID 2080 wrote to memory of 2764	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	37
PID 2080 wrote to memory of 2688	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	39
PID 2080 wrote to memory of 2688	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	39
PID 2080 wrote to memory of 2688	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	39
PID 2080 wrote to memory of 2688	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	39
PID 2424 wrote to memory of 2572	2424	nmacqnog.exe	42
PID 2424 wrote to memory of 2572	2424	nmacqnog.exe	42
PID 2424 wrote to memory of 2572	2424	nmacqnog.exe	42
PID 2424 wrote to memory of 2572	2424	nmacqnog.exe	42
PID 2424 wrote to memory of 2572	2424	nmacqnog.exe	42
PID 2424 wrote to memory of 2572	2424	nmacqnog.exe	42
PID 2080 wrote to memory of 2680	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	43
PID 2080 wrote to memory of 2680	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	43
PID 2080 wrote to memory of 2680	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	43
PID 2080 wrote to memory of 2680	2080	JaffaCakes118_6673656f0eea34edbe311046d2525113.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6673656f0eea34edbe311046d2525113.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6673656f0eea34edbe311046d2525113.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rhmprtim\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2448
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nmacqnog.exe" C:\Windows\SysWOW64\rhmprtim\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2288
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rhmprtim binPath= "C:\Windows\SysWOW64\rhmprtim\nmacqnog.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6673656f0eea34edbe311046d2525113.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2648
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rhmprtim "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2764
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rhmprtim
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2688
- 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:2680

C:\Windows\SysWOW64\rhmprtim\nmacqnog.exe
C:\Windows\SysWOW64\rhmprtim\nmacqnog.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6673656f0eea34edbe311046d2525113.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2424
- 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:2572

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\nmacqnog.exe

Filesize
13.2MB

MD5
40a3fb98ae41433e474df0246417ac62

SHA1
70b2dd2b55417bdd85acb31d459ce26e140be03e

SHA256
4ed7972e188dfd866ab1ff7b8d5b28bd3e46dc4147457c592d03999f2fb46b03

SHA512
2dd745fda9a69314cdea638970012437527bb7af95a1193eb5461401f6a648418f687152ac3dbc70db51b43662c7864e4b6a4f82e1724614a369a95a32a79359

Download Submit
memory/2080-2-0x0000000000400000-0x0000000002DAC000-memory.dmp

Filesize
41.7MB

Download
memory/2080-3-0x0000000000400000-0x0000000002DAC000-memory.dmp

Filesize
41.7MB

Download
memory/2080-14-0x0000000000400000-0x0000000002DAC000-memory.dmp

Filesize
41.7MB

Download
memory/2424-11-0x0000000000400000-0x0000000002DAC000-memory.dmp

Filesize
41.7MB

Download
memory/2572-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2572-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-7-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2572-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2572-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads