tofsee | 024b1ff3808f448395efcc16feb5905a841149f9765a3a247a8437949108fa51

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 13:45

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General

Target

JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe
Size

12.0MB
MD5

1f81a2c3835fcdd7652325ea0eb70326
SHA1

a0297513774b23399b9e1747b68db90bba1a097b
SHA256

024b1ff3808f448395efcc16feb5905a841149f9765a3a247a8437949108fa51
SHA512

ccc3b7dbd4a8cbf01c3a4c1ceee8ded3b6882ce8d98c0059b51fac3249ed860b7ea21d229fcb9f61dcc658322ef393f2ac6c7cc4554fb904da73f573d9db295b
SSDEEP

49152:y/m3UeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeK:y

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\bqjhrjzv = "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
2816	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\bqjhrjzv\ImagePath = "C:\\Windows\\SysWOW64\\bqjhrjzv\\qfgmzked.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2728	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2748	qfgmzked.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2748 set thread context of 2728	2748	qfgmzked.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
1672	sc.exe
1740	sc.exe
2692	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	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	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qfgmzked.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 1260	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	30
PID 1540 wrote to memory of 1260	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	30
PID 1540 wrote to memory of 1260	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	30
PID 1540 wrote to memory of 1260	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	30
PID 1540 wrote to memory of 2348	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	32
PID 1540 wrote to memory of 2348	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	32
PID 1540 wrote to memory of 2348	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	32
PID 1540 wrote to memory of 2348	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	32
PID 1540 wrote to memory of 1672	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	34
PID 1540 wrote to memory of 1672	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	34
PID 1540 wrote to memory of 1672	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	34
PID 1540 wrote to memory of 1672	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	34
PID 1540 wrote to memory of 1740	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	36
PID 1540 wrote to memory of 1740	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	36
PID 1540 wrote to memory of 1740	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	36
PID 1540 wrote to memory of 1740	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	36
PID 1540 wrote to memory of 2692	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	38
PID 1540 wrote to memory of 2692	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	38
PID 1540 wrote to memory of 2692	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	38
PID 1540 wrote to memory of 2692	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	38
PID 1540 wrote to memory of 2816	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	41
PID 1540 wrote to memory of 2816	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	41
PID 1540 wrote to memory of 2816	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	41
PID 1540 wrote to memory of 2816	1540	JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe	41
PID 2748 wrote to memory of 2728	2748	qfgmzked.exe	43
PID 2748 wrote to memory of 2728	2748	qfgmzked.exe	43
PID 2748 wrote to memory of 2728	2748	qfgmzked.exe	43
PID 2748 wrote to memory of 2728	2748	qfgmzked.exe	43
PID 2748 wrote to memory of 2728	2748	qfgmzked.exe	43
PID 2748 wrote to memory of 2728	2748	qfgmzked.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bqjhrjzv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qfgmzked.exe" C:\Windows\SysWOW64\bqjhrjzv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2348
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create bqjhrjzv binPath= "C:\Windows\SysWOW64\bqjhrjzv\qfgmzked.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1672
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description bqjhrjzv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start bqjhrjzv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2692
- 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:2816

C:\Windows\SysWOW64\bqjhrjzv\qfgmzked.exe
C:\Windows\SysWOW64\bqjhrjzv\qfgmzked.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f81a2c3835fcdd7652325ea0eb70326.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2748
- 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:2728

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\qfgmzked.exe

Filesize
13.1MB

MD5
4d3e24a7a61532737b66fb87c4e5274b

SHA1
85fbe58a71839d17961a9b0b570ed8a8125dc139

SHA256
d64e6e56fc93bbc067a3a228e9001979cda0166df3bbb4effb392e1138a163a7

SHA512
64971a65848c108063a1dd3beb12615a73a30346f4ddaae4c247ce93e7bba848a62b85610f975c6e58998fd28b3f138b3f66f56f937b144de4e35e961c68b0af

Download Submit
memory/1540-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1540-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1540-1-0x0000000001730000-0x0000000001830000-memory.dmp

Filesize
1024KB

Download
memory/1540-10-0x0000000001730000-0x0000000001830000-memory.dmp

Filesize
1024KB

Download
memory/1540-8-0x0000000000400000-0x00000000016BC000-memory.dmp

Filesize
18.7MB

Download
memory/1540-2-0x00000000002A0000-0x00000000002B3000-memory.dmp

Filesize
76KB

Download
memory/1540-9-0x00000000002A0000-0x00000000002B3000-memory.dmp

Filesize
76KB

Download
memory/2728-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2728-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2728-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2728-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2748-17-0x0000000000400000-0x00000000016BC000-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