tofsee | 94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 15:50

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General

Target

JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe
Size

160KB
MD5

6ec4ce9ef727b0ce459f8b33a2558946
SHA1

223323ff0bbd014582fe858475493e7786fa75a6
SHA256

94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1
SHA512

a4197009bc6dbeb5fc37dc38feca53d3f444a9a3de98fa9e6c5c640a6cab0454ce05b6d58ce4c666e8530f87c7efff22506528b4f9fa8c4120011374a394926a
SSDEEP

3072:Y27J44gMgmR69KfphQ2j11L0Jbudv5aNlXdUMQ:YggmR6oBhQ2j1oqv5aTG

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\fwvigkau = "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
2992	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\fwvigkau\ImagePath = "C:\\Windows\\SysWOW64\\fwvigkau\\boxuvamz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2684	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	boxuvamz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2736 set thread context of 2684	2736	boxuvamz.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
1244	sc.exe
2672	sc.exe
1260	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	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.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	boxuvamz.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 352 wrote to memory of 2460	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	30
PID 352 wrote to memory of 2460	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	30
PID 352 wrote to memory of 2460	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	30
PID 352 wrote to memory of 2460	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	30
PID 352 wrote to memory of 1912	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	32
PID 352 wrote to memory of 1912	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	32
PID 352 wrote to memory of 1912	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	32
PID 352 wrote to memory of 1912	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	32
PID 352 wrote to memory of 1260	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	34
PID 352 wrote to memory of 1260	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	34
PID 352 wrote to memory of 1260	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	34
PID 352 wrote to memory of 1260	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	34
PID 352 wrote to memory of 1244	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	36
PID 352 wrote to memory of 1244	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	36
PID 352 wrote to memory of 1244	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	36
PID 352 wrote to memory of 1244	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	36
PID 352 wrote to memory of 2672	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	38
PID 352 wrote to memory of 2672	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	38
PID 352 wrote to memory of 2672	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	38
PID 352 wrote to memory of 2672	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	38
PID 2736 wrote to memory of 2684	2736	boxuvamz.exe	41
PID 2736 wrote to memory of 2684	2736	boxuvamz.exe	41
PID 2736 wrote to memory of 2684	2736	boxuvamz.exe	41
PID 2736 wrote to memory of 2684	2736	boxuvamz.exe	41
PID 2736 wrote to memory of 2684	2736	boxuvamz.exe	41
PID 2736 wrote to memory of 2684	2736	boxuvamz.exe	41
PID 352 wrote to memory of 2992	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	42
PID 352 wrote to memory of 2992	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	42
PID 352 wrote to memory of 2992	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	42
PID 352 wrote to memory of 2992	352	JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:352
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fwvigkau\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2460
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\boxuvamz.exe" C:\Windows\SysWOW64\fwvigkau\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1912
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fwvigkau binPath= "C:\Windows\SysWOW64\fwvigkau\boxuvamz.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1260
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fwvigkau "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1244
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fwvigkau
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2672
- 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:2992

C:\Windows\SysWOW64\fwvigkau\boxuvamz.exe
C:\Windows\SysWOW64\fwvigkau\boxuvamz.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94d8164b8e24f05fc9a654c110a8a126816f69554fda6ad4971a6a7a450059b1.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- 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:2684

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\boxuvamz.exe

Filesize
13.9MB

MD5
119816b50da1bb76153bababd0a64ba4

SHA1
416cf9dd2b9a0e0cb53e77ea03c0b37679d79089

SHA256
d59efcb3bb15f0f186aeb75248abd47cf1f922d386a51d8116b5bd1633e035ef

SHA512
dec5a07d4e987088f9d05341afc98946cb05add9d7c8aff68a28bf9405e27b16022362f76d03a2099b559aabc90651861b6ff1c2dc92644a983c001145584702

Download Submit
memory/352-13-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/352-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/352-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/352-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/352-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/352-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/352-14-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2684-7-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2684-9-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2684-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2684-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2684-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2736-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads