tofsee | 620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412

Analysis

max time kernel
149s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 21:34

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General

Target

JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe
Size

339KB
MD5

5f299cb2641189797532b4399ab2db88
SHA1

37f78ffb3e351479344153db438b28a752a2a0bc
SHA256

620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412
SHA512

8985d918b23ae4508926c3db9ea28b7c7935ce466914154296c8cd3b7429a213af2ba90acf3a4ab0e4c130c355d7036fcaac5b3e092dcb639e04e06465f18df5
SSDEEP

6144:59Zdc9hBN4DUd7gE0RWiWRl9yMPIzPTt3kk7z:59Zdc9Hug7g7R1WRl9yMPIFn

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\paaqrpee = "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
2768	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\paaqrpee\ImagePath = "C:\\Windows\\SysWOW64\\paaqrpee\\kxgdejvi.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2632	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2972	kxgdejvi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2972 set thread context of 2632	2972	kxgdejvi.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
1972	sc.exe
2720	sc.exe
2828	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	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.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	kxgdejvi.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 876	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	30
PID 2392 wrote to memory of 876	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	30
PID 2392 wrote to memory of 876	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	30
PID 2392 wrote to memory of 876	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	30
PID 2392 wrote to memory of 2492	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	32
PID 2392 wrote to memory of 2492	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	32
PID 2392 wrote to memory of 2492	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	32
PID 2392 wrote to memory of 2492	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	32
PID 2392 wrote to memory of 1972	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	34
PID 2392 wrote to memory of 1972	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	34
PID 2392 wrote to memory of 1972	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	34
PID 2392 wrote to memory of 1972	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	34
PID 2392 wrote to memory of 2720	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	36
PID 2392 wrote to memory of 2720	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	36
PID 2392 wrote to memory of 2720	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	36
PID 2392 wrote to memory of 2720	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	36
PID 2392 wrote to memory of 2828	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	38
PID 2392 wrote to memory of 2828	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	38
PID 2392 wrote to memory of 2828	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	38
PID 2392 wrote to memory of 2828	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	38
PID 2392 wrote to memory of 2768	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	41
PID 2392 wrote to memory of 2768	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	41
PID 2392 wrote to memory of 2768	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	41
PID 2392 wrote to memory of 2768	2392	JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe	41
PID 2972 wrote to memory of 2632	2972	kxgdejvi.exe	43
PID 2972 wrote to memory of 2632	2972	kxgdejvi.exe	43
PID 2972 wrote to memory of 2632	2972	kxgdejvi.exe	43
PID 2972 wrote to memory of 2632	2972	kxgdejvi.exe	43
PID 2972 wrote to memory of 2632	2972	kxgdejvi.exe	43
PID 2972 wrote to memory of 2632	2972	kxgdejvi.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\paaqrpee\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:876
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kxgdejvi.exe" C:\Windows\SysWOW64\paaqrpee\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2492
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create paaqrpee binPath= "C:\Windows\SysWOW64\paaqrpee\kxgdejvi.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1972
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description paaqrpee "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2720
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start paaqrpee
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2828
- 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:2768

C:\Windows\SysWOW64\paaqrpee\kxgdejvi.exe
C:\Windows\SysWOW64\paaqrpee\kxgdejvi.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_620949d6514c4f73ee8767cbc20ad26b6ca25cc78dc41f4a30a3e987b5c19412.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2972
- 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:2632

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\kxgdejvi.exe

Filesize
14.8MB

MD5
37e7bf83621f509300292c2a757f8da7

SHA1
54145d83f729481e5795df428ad92274e9669857

SHA256
98d69dbd3b23ebe65cf88fe3114b318da38e94af0416dc67d8d1d1002f6e45a2

SHA512
a26f043b79c6b97f9ac80277b0f67defc291c276b278def61ef90b1b5cac6b39002fe2795804ea5ea9b04a4932d907872dc78d2995f3fa1c15d5ee64c69d4db1

Download Submit
memory/2392-8-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2392-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2392-2-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2392-7-0x0000000000400000-0x00000000008F8000-memory.dmp

Filesize
5.0MB

Download
memory/2392-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2392-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2632-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2632-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2632-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2632-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2632-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2972-15-0x0000000000400000-0x00000000008F8000-memory.dmp

Filesize
5.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads