tofsee | ac3310b8260fc47ddf03699e3efcb700099b2daa4b751f5c0fcaa1abb69643a3

Analysis

max time kernel
147s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/12/2024, 07:08

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General

Target

e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe
Size

12.9MB
MD5

e5411982e48ac4e1458b3671a97177fe
SHA1

1d8b356af353be5708d53527b5c9a09d4f442e94
SHA256

ac3310b8260fc47ddf03699e3efcb700099b2daa4b751f5c0fcaa1abb69643a3
SHA512

fe220b6c34fce251f80ae93d00a6d72f2afa9bd7e078dc76df5eee22102e2dc01cb41cf68fd0b9dabafeb58ea24521e3c80d76082e7a73b5c9d680426d058be2
SSDEEP

24576:ME2llllllllllllllllllllllllllllllllllllllllllllllllllllllllllll/:ME

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\swzsydaq = "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
2884	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\swzsydaq\ImagePath = "C:\\Windows\\SysWOW64\\swzsydaq\\fuhdpoht.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2832	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2840	fuhdpoht.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2840 set thread context of 2832	2840	fuhdpoht.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
988	sc.exe
2156	sc.exe
2276	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	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fuhdpoht.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	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 2908 wrote to memory of 2428	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2428	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2428	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2428	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2332	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	32
PID 2908 wrote to memory of 2332	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	32
PID 2908 wrote to memory of 2332	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	32
PID 2908 wrote to memory of 2332	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	32
PID 2908 wrote to memory of 988	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	34
PID 2908 wrote to memory of 988	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	34
PID 2908 wrote to memory of 988	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	34
PID 2908 wrote to memory of 988	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	34
PID 2908 wrote to memory of 2156	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	36
PID 2908 wrote to memory of 2156	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	36
PID 2908 wrote to memory of 2156	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	36
PID 2908 wrote to memory of 2156	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	36
PID 2908 wrote to memory of 2276	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	38
PID 2908 wrote to memory of 2276	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	38
PID 2908 wrote to memory of 2276	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	38
PID 2908 wrote to memory of 2276	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	38
PID 2908 wrote to memory of 2884	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	41
PID 2908 wrote to memory of 2884	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	41
PID 2908 wrote to memory of 2884	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	41
PID 2908 wrote to memory of 2884	2908	e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe	41
PID 2840 wrote to memory of 2832	2840	fuhdpoht.exe	44
PID 2840 wrote to memory of 2832	2840	fuhdpoht.exe	44
PID 2840 wrote to memory of 2832	2840	fuhdpoht.exe	44
PID 2840 wrote to memory of 2832	2840	fuhdpoht.exe	44
PID 2840 wrote to memory of 2832	2840	fuhdpoht.exe	44
PID 2840 wrote to memory of 2832	2840	fuhdpoht.exe	44

C:\Users\Admin\AppData\Local\Temp\e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\swzsydaq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2428
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fuhdpoht.exe" C:\Windows\SysWOW64\swzsydaq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2332
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create swzsydaq binPath= "C:\Windows\SysWOW64\swzsydaq\fuhdpoht.exe /d\"C:\Users\Admin\AppData\Local\Temp\e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:988
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description swzsydaq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2156
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start swzsydaq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2276
- 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:2884

C:\Windows\SysWOW64\swzsydaq\fuhdpoht.exe
C:\Windows\SysWOW64\swzsydaq\fuhdpoht.exe /d"C:\Users\Admin\AppData\Local\Temp\e5411982e48ac4e1458b3671a97177fe_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2840
- 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:2832

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\fuhdpoht.exe

Filesize
14.0MB

MD5
3d493c267faebead2ada65f42c1d0f39

SHA1
d138609826640357a496ae915f96b0d910d496f8

SHA256
737063d86efbb8a7459c29898cd16f4f86537ab8caad9b7b26a27f49e18c9136

SHA512
0c86cc8f0b240bdae974e02dd0b9aa1e3b3ce8f23dc637d76fb9c447933103d7862b5a1cef7a4d6d28374166953abf8fafc02120d70c732caec4268928aef5cb

Download Submit
memory/2832-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2832-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2832-12-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2832-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2832-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2840-15-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2908-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2908-3-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2908-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2908-9-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2908-1-0x0000000000910000-0x0000000000A10000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads