tofsee | 700fb5ae3600141c1634dcfd95fcf5c6a45c1745f42ca21d50612e442e78e4a3

Analysis

max time kernel
144s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 15:21

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General

Target

JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe
Size

10.8MB
MD5

249a58536bbcb7a6e8d6955def7e2f13
SHA1

6351d807c7eb2cb473f51011a91b6218606fab6b
SHA256

700fb5ae3600141c1634dcfd95fcf5c6a45c1745f42ca21d50612e442e78e4a3
SHA512

e080a05c501b33f7a1277ff3d5ddfb683c0880718022a29d6f2d663dd0497cca9947dded191e0bdd0a693faa2fd3fc74db3bfc5c3b57e8b5f61feda2e71b4bbb
SSDEEP

12288:yZrif5ZHYBN6U7EP9rFRnyphAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAn:yBif5ZCEFxV

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\aopbmslu = "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
2860	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\aopbmslu\ImagePath = "C:\\Windows\\SysWOW64\\aopbmslu\\ndddsjph.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2472	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	ndddsjph.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2692 set thread context of 2472	2692	ndddsjph.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2956	sc.exe
2312	sc.exe
2876	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ndddsjph.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2672	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	30
PID 2856 wrote to memory of 2672	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	30
PID 2856 wrote to memory of 2672	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	30
PID 2856 wrote to memory of 2672	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	30
PID 2856 wrote to memory of 2960	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	32
PID 2856 wrote to memory of 2960	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	32
PID 2856 wrote to memory of 2960	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	32
PID 2856 wrote to memory of 2960	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	32
PID 2856 wrote to memory of 2956	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	34
PID 2856 wrote to memory of 2956	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	34
PID 2856 wrote to memory of 2956	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	34
PID 2856 wrote to memory of 2956	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	34
PID 2856 wrote to memory of 2312	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	36
PID 2856 wrote to memory of 2312	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	36
PID 2856 wrote to memory of 2312	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	36
PID 2856 wrote to memory of 2312	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	36
PID 2856 wrote to memory of 2876	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	38
PID 2856 wrote to memory of 2876	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	38
PID 2856 wrote to memory of 2876	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	38
PID 2856 wrote to memory of 2876	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	38
PID 2856 wrote to memory of 2860	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	41
PID 2856 wrote to memory of 2860	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	41
PID 2856 wrote to memory of 2860	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	41
PID 2856 wrote to memory of 2860	2856	JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe	41
PID 2692 wrote to memory of 2472	2692	ndddsjph.exe	43
PID 2692 wrote to memory of 2472	2692	ndddsjph.exe	43
PID 2692 wrote to memory of 2472	2692	ndddsjph.exe	43
PID 2692 wrote to memory of 2472	2692	ndddsjph.exe	43
PID 2692 wrote to memory of 2472	2692	ndddsjph.exe	43
PID 2692 wrote to memory of 2472	2692	ndddsjph.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aopbmslu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2672
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ndddsjph.exe" C:\Windows\SysWOW64\aopbmslu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2960
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create aopbmslu binPath= "C:\Windows\SysWOW64\aopbmslu\ndddsjph.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.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 aopbmslu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2312
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start aopbmslu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2876
- 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:2860

C:\Windows\SysWOW64\aopbmslu\ndddsjph.exe
C:\Windows\SysWOW64\aopbmslu\ndddsjph.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_249a58536bbcb7a6e8d6955def7e2f13.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692
- 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:2472

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\ndddsjph.exe

Filesize
12.7MB

MD5
1245332a90d4d8db4ffa857a47e02248

SHA1
b741cf0ea31230e4f0173119fccda4cda0ebd661

SHA256
214d33224fde586725c29f6064f122960ad6f21bbdb8b73b33fe875ac9d7e63f

SHA512
debc9898c4226089dca03b17f708d4b603d25b5731d80fee5a50cd44ef451319cff1bc69602d79f980b0281fd9ec728420aa0dd9f24a685e59e955e9b031186e

Download Submit
memory/2472-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2472-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2472-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2472-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2472-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2692-17-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2856-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2856-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/2856-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2856-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2856-8-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2856-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads