tofsee | b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566

Analysis

max time kernel
145s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 09:17

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General

Target

JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe
Size

300KB
MD5

4189f2a27dfdbdc0424f4b04964a1cb1
SHA1

276ccfa3cef69d41b4ae7dfca5ca170a90d5032a
SHA256

b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566
SHA512

55fd82b856ffcf1c0c1febeda8ce04ae4893a84d8a0bfb617fca3fdd1090f667f43aeb569857913e7a0e1388b769dd77006926a6469c23f9b339f06a7d705355
SSDEEP

6144:+X5T4tWtxqDstWhZxQxHdEXhG904J6KkE:+X5UtWCDstWhfQNdKhV40Kk

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

patmushta.info

parubey.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\lhqaccxc = "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
2848	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\lhqaccxc\ImagePath = "C:\\Windows\\SysWOW64\\lhqaccxc\\csgqswfa.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2640	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2892	csgqswfa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2892 set thread context of 2640	2892	csgqswfa.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2196	sc.exe
2436	sc.exe
2864	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csgqswfa.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 2936 wrote to memory of 3036	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	30
PID 2936 wrote to memory of 3036	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	30
PID 2936 wrote to memory of 3036	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	30
PID 2936 wrote to memory of 3036	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	30
PID 2936 wrote to memory of 2556	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	32
PID 2936 wrote to memory of 2556	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	32
PID 2936 wrote to memory of 2556	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	32
PID 2936 wrote to memory of 2556	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	32
PID 2936 wrote to memory of 2196	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	34
PID 2936 wrote to memory of 2196	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	34
PID 2936 wrote to memory of 2196	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	34
PID 2936 wrote to memory of 2196	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	34
PID 2936 wrote to memory of 2436	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	36
PID 2936 wrote to memory of 2436	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	36
PID 2936 wrote to memory of 2436	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	36
PID 2936 wrote to memory of 2436	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	36
PID 2936 wrote to memory of 2864	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	38
PID 2936 wrote to memory of 2864	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	38
PID 2936 wrote to memory of 2864	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	38
PID 2936 wrote to memory of 2864	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	38
PID 2936 wrote to memory of 2848	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	41
PID 2936 wrote to memory of 2848	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	41
PID 2936 wrote to memory of 2848	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	41
PID 2936 wrote to memory of 2848	2936	JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe	41
PID 2892 wrote to memory of 2640	2892	csgqswfa.exe	43
PID 2892 wrote to memory of 2640	2892	csgqswfa.exe	43
PID 2892 wrote to memory of 2640	2892	csgqswfa.exe	43
PID 2892 wrote to memory of 2640	2892	csgqswfa.exe	43
PID 2892 wrote to memory of 2640	2892	csgqswfa.exe	43
PID 2892 wrote to memory of 2640	2892	csgqswfa.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lhqaccxc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\csgqswfa.exe" C:\Windows\SysWOW64\lhqaccxc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2556
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lhqaccxc binPath= "C:\Windows\SysWOW64\lhqaccxc\csgqswfa.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2196
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lhqaccxc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2436
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lhqaccxc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2864
- 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:2848

C:\Windows\SysWOW64\lhqaccxc\csgqswfa.exe
C:\Windows\SysWOW64\lhqaccxc\csgqswfa.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b94d0e8435e9f0dadb6f683f7eaf08ef0917aabd80ab0c5ae38296921bc6d566.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:2640

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\csgqswfa.exe

Filesize
15.0MB

MD5
28e3741f199cd01468c7e3544792116d

SHA1
1c7f8f9c15aab4f42e3ddd9c1b7cd6f8a12eb262

SHA256
f6cf9eab9e932d44e7db159bae2a043c5c13a3560e675b1cfe0ce8d0d6b24ea7

SHA512
eab04c57e514ce4506037b21ef239a81c5a24d0040a6c2b12b87df5638ae55ea14d996b4ae42956956cadeebad220f2da0f5bed73804b0d463718c8f479ad082

Download Submit
memory/2640-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2640-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2640-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2640-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2892-17-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2936-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2936-1-0x0000000000580000-0x0000000000680000-memory.dmp

Filesize
1024KB

Download
memory/2936-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2936-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2936-7-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2936-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads