tofsee | 7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2024, 17:19

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General

Target
JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe
Size 214KB
Sample241226-vv8zkasmdn
SHA256 7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30
MD5 ac6e290d0141fe9be72a6379ae438e1c
SHA1 ac6cf2c5fa673887cbef396b0cd1f9fd503bb739
SHA512 43f7f7afd25cc626e0f8383e4988693d9d19352feb530aabc64a25940462cf3d7b754b93c3e61c3201d2f0dd80e1114f617d5927880456924bf4a79be23b0c6f
SSDEEP 3072:m7Zt0dLUdxVjd6XlJdtHspVFFReJH4xNCL8EQylObFwJDsxkgaBChopZa9uD6Vdu:yt0edxVd6XZavFFRCm9weigaTwVf
MD5 SHA1 SHA512 SSDEEP

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
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
2688	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\gixztlab\ImagePath = "C:\\Windows\\SysWOW64\\gixztlab\\iojmveez.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe

Deletes itself 1 IoCs

pid	Process
764	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1472	iojmveez.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1472 set thread context of 764	1472	iojmveez.exe	97

Launches sc.exe 3 IoCs

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

pid	Process
3180	sc.exe
4528	sc.exe
4208	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	iojmveez.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 1596	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	83
PID 208 wrote to memory of 1596	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	83
PID 208 wrote to memory of 1596	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	83
PID 208 wrote to memory of 2128	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	85
PID 208 wrote to memory of 2128	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	85
PID 208 wrote to memory of 2128	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	85
PID 208 wrote to memory of 4208	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	87
PID 208 wrote to memory of 4208	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	87
PID 208 wrote to memory of 4208	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	87
PID 208 wrote to memory of 3180	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	89
PID 208 wrote to memory of 3180	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	89
PID 208 wrote to memory of 3180	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	89
PID 208 wrote to memory of 4528	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	92
PID 208 wrote to memory of 4528	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	92
PID 208 wrote to memory of 4528	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	92
PID 208 wrote to memory of 2688	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	95
PID 208 wrote to memory of 2688	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	95
PID 208 wrote to memory of 2688	208	JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe	95
PID 1472 wrote to memory of 764	1472	iojmveez.exe	97
PID 1472 wrote to memory of 764	1472	iojmveez.exe	97
PID 1472 wrote to memory of 764	1472	iojmveez.exe	97
PID 1472 wrote to memory of 764	1472	iojmveez.exe	97
PID 1472 wrote to memory of 764	1472	iojmveez.exe	97

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:208
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gixztlab\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1596
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\iojmveez.exe" C:\Windows\SysWOW64\gixztlab\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2128
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gixztlab binPath= "C:\Windows\SysWOW64\gixztlab\iojmveez.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4208
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gixztlab "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3180
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gixztlab
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4528
- 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:2688

C:\Windows\SysWOW64\gixztlab\iojmveez.exe
C:\Windows\SysWOW64\gixztlab\iojmveez.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7f7464d02f9c3daac364afa9b7f96b97c407dcfdbdcb750a4e118d4a7abf2a30.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:764

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

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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

iojmveez.exe

Path C:\Users\Admin\AppData\Local\Temp\iojmveez.exe
Size 11.4MB
SHA256 b7c2ef2bde30fb9faa5953ba4e130f4ea888a89d0d1b0d11e810713fd8183ea9
MD5 b5b77db61a0790457624f8749ef14073
SHA1 22f1312e3a111c17042c01a8a693ccc7e620969e
SHA512 23e8a27dfc30fbfeeebc89f4922898e8a0ad33be95a0e91ca4c9170e51e30e6a3fcd143e31986a8a6c47b06eb41f3cd625a52bd4c6bc014ed884ad7cac7e6fb9
SSDEEP 24576:JCU9qGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGC:J
MD5 SHA1 SHA512 SSDEEP

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memory/208-7-0x0000000002180000-0x000000000218D000-memory.dmp

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memory/208-2-0x0000000000400000-0x0000000000415000-memory.dmp

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memory/208-1-0x0000000002190000-0x00000000021A3000-memory.dmp

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memory/208-9-0x0000000000400000-0x0000000000415000-memory.dmp

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memory/208-8-0x0000000002190000-0x00000000021A3000-memory.dmp

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memory/208-0-0x0000000002180000-0x000000000218D000-memory.dmp

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memory/208-6-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/764-13-0x0000000000900000-0x0000000000915000-memory.dmp

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memory/764-17-0x0000000000900000-0x0000000000915000-memory.dmp

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memory/764-18-0x0000000000900000-0x0000000000915000-memory.dmp

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memory/1472-10-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/1472-12-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/1472-11-0x0000000000400000-0x000000000043F000-memory.dmp

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memory/1472-16-0x0000000000400000-0x000000000043F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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