tofsee | 2f2d7e013231cda4388c4615e51bad3f9afe6c2f023543ad66501bee6ff7dc38

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 12:56

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General

Target

JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe
Size

13.5MB
MD5

a0990e14693094968d8c4d477e4af16c
SHA1

be2d58786c4208d854a72c8a136b7a9e9a3d3d84
SHA256

2f2d7e013231cda4388c4615e51bad3f9afe6c2f023543ad66501bee6ff7dc38
SHA512

9fcf21dcafdeddeab72b43b56519e5940f27e8a6fe33d01dc71a9e0326bf6a5fbae5286778bb2e7ab0d1a03f9766a5852f43cabf967b8704527d6aabd3db6d7f
SSDEEP

49152:gzPOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO:g

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.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\ifgexngg = "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
2904	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\ifgexngg\ImagePath = "C:\\Windows\\SysWOW64\\ifgexngg\\jkisvote.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2708	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2740	jkisvote.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2740 set thread context of 2708	2740	jkisvote.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2336	sc.exe
2408	sc.exe
2636	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	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.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
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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jkisvote.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 2296	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	29
PID 2388 wrote to memory of 2296	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	29
PID 2388 wrote to memory of 2296	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	29
PID 2388 wrote to memory of 2296	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	29
PID 2388 wrote to memory of 2912	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	31
PID 2388 wrote to memory of 2912	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	31
PID 2388 wrote to memory of 2912	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	31
PID 2388 wrote to memory of 2912	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	31
PID 2388 wrote to memory of 2336	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	33
PID 2388 wrote to memory of 2336	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	33
PID 2388 wrote to memory of 2336	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	33
PID 2388 wrote to memory of 2336	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	33
PID 2388 wrote to memory of 2408	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	35
PID 2388 wrote to memory of 2408	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	35
PID 2388 wrote to memory of 2408	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	35
PID 2388 wrote to memory of 2408	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	35
PID 2388 wrote to memory of 2636	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	37
PID 2388 wrote to memory of 2636	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	37
PID 2388 wrote to memory of 2636	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	37
PID 2388 wrote to memory of 2636	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	37
PID 2388 wrote to memory of 2904	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	40
PID 2388 wrote to memory of 2904	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	40
PID 2388 wrote to memory of 2904	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	40
PID 2388 wrote to memory of 2904	2388	JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe	40
PID 2740 wrote to memory of 2708	2740	jkisvote.exe	42
PID 2740 wrote to memory of 2708	2740	jkisvote.exe	42
PID 2740 wrote to memory of 2708	2740	jkisvote.exe	42
PID 2740 wrote to memory of 2708	2740	jkisvote.exe	42
PID 2740 wrote to memory of 2708	2740	jkisvote.exe	42
PID 2740 wrote to memory of 2708	2740	jkisvote.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ifgexngg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2296
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jkisvote.exe" C:\Windows\SysWOW64\ifgexngg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2912
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ifgexngg binPath= "C:\Windows\SysWOW64\ifgexngg\jkisvote.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2336
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ifgexngg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2408
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ifgexngg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2636
- 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:2904

C:\Windows\SysWOW64\ifgexngg\jkisvote.exe
C:\Windows\SysWOW64\ifgexngg\jkisvote.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a0990e14693094968d8c4d477e4af16c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740
- 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:2708

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\jkisvote.exe

Filesize
12.4MB

MD5
7977fa162235a0f7a0d2fc1167f7deb8

SHA1
6f275170536690edc954035fcfdbc79b5815980c

SHA256
54c5ce9a98a7eab8cfd286347d55372b6462eb816b2db850408430b510446098

SHA512
52518059570303650ad56c38aa89ef46d2da4c552022d79e73c049b0b3b8e6b50ffbd90e7a1bb9d56ff205a85cfcfb7063c7c5dd5f51dd9ab1a85a0cf2f8c745

Download Submit
memory/2388-8-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/2388-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2388-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2388-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2388-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2388-1-0x0000000001810000-0x0000000001910000-memory.dmp

Filesize
1024KB

Download
memory/2708-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2740-15-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads