tofsee | 740fe2c8e4dd0b8d589b35781d97b36d73e919742553910eab419f314bbd2650

Analysis

max time kernel
146s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-11-2024 22:15

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General

Target

adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe
Size

11.5MB
MD5

adbd70490450994bf9c1055a86213eaa
SHA1

232eb1058e2bca78dc7fddd7218329b4a5e7638c
SHA256

740fe2c8e4dd0b8d589b35781d97b36d73e919742553910eab419f314bbd2650
SHA512

107e9c49de8eddb0681d81b9bedd82aa79e3a940e7929a40aa6473d7225fcaeaf48e82f9bcff50c3d95adb6d6d9216a17d7274f49bbf7d708e932cbcb8221526
SSDEEP

12288:TvSzTpTpTpTpTpTpTpTpTpTpTpTpTpTpTpTpTpTpTpTpTpTpTpTpTpTpTpTpTpTt:2z

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\dephadwb = "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
2628	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\dephadwb\ImagePath = "C:\\Windows\\SysWOW64\\dephadwb\\sezwdccq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3048	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2572	sezwdccq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2572 set thread context of 3048	2572	sezwdccq.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2956	sc.exe
2600	sc.exe
2632	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	adbd70490450994bf9c1055a86213eaa_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	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	sezwdccq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 2788	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	30
PID 1524 wrote to memory of 2788	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	30
PID 1524 wrote to memory of 2788	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	30
PID 1524 wrote to memory of 2788	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	30
PID 1524 wrote to memory of 2728	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	32
PID 1524 wrote to memory of 2728	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	32
PID 1524 wrote to memory of 2728	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	32
PID 1524 wrote to memory of 2728	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	32
PID 1524 wrote to memory of 2956	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	34
PID 1524 wrote to memory of 2956	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	34
PID 1524 wrote to memory of 2956	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	34
PID 1524 wrote to memory of 2956	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	34
PID 1524 wrote to memory of 2600	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	36
PID 1524 wrote to memory of 2600	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	36
PID 1524 wrote to memory of 2600	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	36
PID 1524 wrote to memory of 2600	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	36
PID 1524 wrote to memory of 2632	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	38
PID 1524 wrote to memory of 2632	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	38
PID 1524 wrote to memory of 2632	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	38
PID 1524 wrote to memory of 2632	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	38
PID 1524 wrote to memory of 2628	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	41
PID 1524 wrote to memory of 2628	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	41
PID 1524 wrote to memory of 2628	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	41
PID 1524 wrote to memory of 2628	1524	adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe	41
PID 2572 wrote to memory of 3048	2572	sezwdccq.exe	43
PID 2572 wrote to memory of 3048	2572	sezwdccq.exe	43
PID 2572 wrote to memory of 3048	2572	sezwdccq.exe	43
PID 2572 wrote to memory of 3048	2572	sezwdccq.exe	43
PID 2572 wrote to memory of 3048	2572	sezwdccq.exe	43
PID 2572 wrote to memory of 3048	2572	sezwdccq.exe	43

C:\Users\Admin\AppData\Local\Temp\adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dephadwb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sezwdccq.exe" C:\Windows\SysWOW64\dephadwb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2728
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dephadwb binPath= "C:\Windows\SysWOW64\dephadwb\sezwdccq.exe /d\"C:\Users\Admin\AppData\Local\Temp\adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2956
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dephadwb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2600
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dephadwb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2632
- 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:2628

C:\Windows\SysWOW64\dephadwb\sezwdccq.exe
C:\Windows\SysWOW64\dephadwb\sezwdccq.exe /d"C:\Users\Admin\AppData\Local\Temp\adbd70490450994bf9c1055a86213eaa_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- 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:3048

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\sezwdccq.exe

Filesize
12.4MB

MD5
5eaec182a25eb9814c4a8550ab575174

SHA1
c2da89693cb40bb85e26801e1af8063f1cc6de91

SHA256
dd94c06cb0c444c79ff582678cef957a7d7623d48864a4f20c18618834d8a4db

SHA512
84bf0a4aee6ba1e2318cce13c5b259db47724354e8f52a37c8bc78f68d2369ec9de184a9b1ab9aa356ac38880b8ae4d56a858c8759061a705f8873fe435a58eb

Download Submit
memory/1524-8-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/1524-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1524-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1524-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1524-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1524-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download
memory/2572-17-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/3048-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3048-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3048-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3048-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3048-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads