tofsee | 0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 12:25

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General

Target

JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe
Size

319KB
MD5

3fec5b2cd8ad9cf5e402e5917d0a2d28
SHA1

e7bb71e2a451c80dea5d8817ce2baf57d431d967
SHA256

0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95
SHA512

6983581c36a46842292a90ab6499beb484d6c0933ca0f87f68bc3859a2f47b6210bbbf69365eafbf2cc74430fa656957aeb977838b5461a2376c53df7f564cb9
SSDEEP

6144:DMh8SvMvFv8Ibbn71octhHlOZU5PtV7WexP2:wh8SvMRbLpocthHlF5Pj7z2

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\fxjymjca = "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
1948	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\fxjymjca\ImagePath = "C:\\Windows\\SysWOW64\\fxjymjca\\mbcivgaz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2872	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2628	mbcivgaz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2628 set thread context of 2872	2628	mbcivgaz.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2740	sc.exe
2564	sc.exe
2732	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mbcivgaz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2676	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	31
PID 2788 wrote to memory of 2676	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	31
PID 2788 wrote to memory of 2676	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	31
PID 2788 wrote to memory of 2676	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	31
PID 2788 wrote to memory of 1792	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	33
PID 2788 wrote to memory of 1792	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	33
PID 2788 wrote to memory of 1792	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	33
PID 2788 wrote to memory of 1792	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	33
PID 2788 wrote to memory of 2732	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	35
PID 2788 wrote to memory of 2732	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	35
PID 2788 wrote to memory of 2732	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	35
PID 2788 wrote to memory of 2732	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	35
PID 2788 wrote to memory of 2740	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	37
PID 2788 wrote to memory of 2740	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	37
PID 2788 wrote to memory of 2740	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	37
PID 2788 wrote to memory of 2740	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	37
PID 2788 wrote to memory of 2564	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	39
PID 2788 wrote to memory of 2564	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	39
PID 2788 wrote to memory of 2564	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	39
PID 2788 wrote to memory of 2564	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	39
PID 2788 wrote to memory of 1948	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	42
PID 2788 wrote to memory of 1948	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	42
PID 2788 wrote to memory of 1948	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	42
PID 2788 wrote to memory of 1948	2788	JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe	42
PID 2628 wrote to memory of 2872	2628	mbcivgaz.exe	44
PID 2628 wrote to memory of 2872	2628	mbcivgaz.exe	44
PID 2628 wrote to memory of 2872	2628	mbcivgaz.exe	44
PID 2628 wrote to memory of 2872	2628	mbcivgaz.exe	44
PID 2628 wrote to memory of 2872	2628	mbcivgaz.exe	44
PID 2628 wrote to memory of 2872	2628	mbcivgaz.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fxjymjca\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2676
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mbcivgaz.exe" C:\Windows\SysWOW64\fxjymjca\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1792
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fxjymjca binPath= "C:\Windows\SysWOW64\fxjymjca\mbcivgaz.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2732
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fxjymjca "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fxjymjca
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2564
- 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:1948

C:\Windows\SysWOW64\fxjymjca\mbcivgaz.exe
C:\Windows\SysWOW64\fxjymjca\mbcivgaz.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ad8dc80eef06a5cedcbcec0871e8aa976fd870b814fc80c1534c6e9fd378b95.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628
- 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:2872

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\mbcivgaz.exe

Filesize
10.5MB

MD5
3f25eb0ffffd277e8289bd2627eb6dda

SHA1
84a4eb0d21bbb1a30c40247e117fe71267d331c0

SHA256
50fd5995cd1b9801f0024e9ed617dac174f3be4d431321c949875cff401de113

SHA512
7dfb777ca0a6020afa3eaf7851ba305438bf60245874f9a7f10317383b6516a98d6f3134bd78d0f3188fa58ae27d5c9185c6beeb93a3b92c5bded12ccc3dd7d1

Download Submit
memory/2628-17-0x0000000000400000-0x0000000002B48000-memory.dmp

Filesize
39.3MB

Download
memory/2788-7-0x0000000000400000-0x0000000002B48000-memory.dmp

Filesize
39.3MB

Download
memory/2788-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2788-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2788-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2788-1-0x0000000002D00000-0x0000000002E00000-memory.dmp

Filesize
1024KB

Download
memory/2788-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2872-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2872-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2872-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2872-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2872-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads