tofsee | 70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 17:57

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General

Target

JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe
Size

238KB
MD5

59495123890f405379efb2be1f540734
SHA1

921d2c24a21fdf66e0146b406e03a14922423b07
SHA256

70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934
SHA512

78dbfbcc4c6be158e698022fdbaea8d4b7ef3a63b8b05e0fa93cd3186f63eddba7dcfb3d24bbe11dd199420ec530dc0c8eaebc81121ebfdcaef8eaa839d69643
SSDEEP

6144:qzNQs30ECx6n19V+OEpr5d7ITsq7igavwVf:qRQs34x6n/I1d79

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\kfefpiyx = "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
2844	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\kfefpiyx\ImagePath = "C:\\Windows\\SysWOW64\\kfefpiyx\\pitjurkd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3008	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2860	pitjurkd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2860 set thread context of 3008	2860	pitjurkd.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2252	sc.exe
2976	sc.exe
2008	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	pitjurkd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2444	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	30
PID 1720 wrote to memory of 2444	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	30
PID 1720 wrote to memory of 2444	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	30
PID 1720 wrote to memory of 2444	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	30
PID 1720 wrote to memory of 624	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	32
PID 1720 wrote to memory of 624	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	32
PID 1720 wrote to memory of 624	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	32
PID 1720 wrote to memory of 624	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	32
PID 1720 wrote to memory of 2008	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	34
PID 1720 wrote to memory of 2008	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	34
PID 1720 wrote to memory of 2008	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	34
PID 1720 wrote to memory of 2008	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	34
PID 1720 wrote to memory of 2252	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	36
PID 1720 wrote to memory of 2252	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	36
PID 1720 wrote to memory of 2252	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	36
PID 1720 wrote to memory of 2252	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	36
PID 1720 wrote to memory of 2976	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	38
PID 1720 wrote to memory of 2976	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	38
PID 1720 wrote to memory of 2976	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	38
PID 1720 wrote to memory of 2976	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	38
PID 1720 wrote to memory of 2844	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	41
PID 1720 wrote to memory of 2844	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	41
PID 1720 wrote to memory of 2844	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	41
PID 1720 wrote to memory of 2844	1720	JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe	41
PID 2860 wrote to memory of 3008	2860	pitjurkd.exe	43
PID 2860 wrote to memory of 3008	2860	pitjurkd.exe	43
PID 2860 wrote to memory of 3008	2860	pitjurkd.exe	43
PID 2860 wrote to memory of 3008	2860	pitjurkd.exe	43
PID 2860 wrote to memory of 3008	2860	pitjurkd.exe	43
PID 2860 wrote to memory of 3008	2860	pitjurkd.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\kfefpiyx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2444
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pitjurkd.exe" C:\Windows\SysWOW64\kfefpiyx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:624
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create kfefpiyx binPath= "C:\Windows\SysWOW64\kfefpiyx\pitjurkd.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2008
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description kfefpiyx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2252
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start kfefpiyx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2976
- 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:2844

C:\Windows\SysWOW64\kfefpiyx\pitjurkd.exe
C:\Windows\SysWOW64\kfefpiyx\pitjurkd.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_70f65b52920189113e1ae0506801ecb171397fb98b092ebe80ae5c683d479934.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2860
- 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:3008

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\pitjurkd.exe

Filesize
11.1MB

MD5
a651612e945cc1224f638c4591675610

SHA1
8970311a7c69ace671eb1e693907b810f3167bf7

SHA256
863257dae995ac545ec2404c788701c9bf5b71f6b8529a926943d74c8c54654a

SHA512
9370538054c69812712ef72d09e20c6235061ac78dc2547730c26270f749551a1ebe4d8a659d3684d3e1927a003f0b22ecf90b276472c75ed746c177aed2bb23

Download Submit
memory/1720-8-0x0000000000240000-0x0000000000253000-memory.dmp

Filesize
76KB

Download
memory/1720-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1720-1-0x0000000000240000-0x0000000000253000-memory.dmp

Filesize
76KB

Download
memory/1720-6-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1720-7-0x0000000000230000-0x000000000023D000-memory.dmp

Filesize
52KB

Download
memory/1720-0-0x0000000000230000-0x000000000023D000-memory.dmp

Filesize
52KB

Download
memory/1720-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2860-16-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3008-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3008-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3008-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3008-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3008-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads