tofsee | 99bdf7a088252ed99a70a040d9453d7081a72d08ed1d76e3b2595f768803554c

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-10-2024 15:49

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General

Target

7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe
Size

12.3MB
MD5

7454b1a70a8f8acf82a9c2f9302d48d8
SHA1

38727c4e426faca0db4da54f73511eb10df8c22c
SHA256

99bdf7a088252ed99a70a040d9453d7081a72d08ed1d76e3b2595f768803554c
SHA512

10e31fbf5966bd7146490dbfe2e6d6582f5458e10c9fc33e1e8e1d7b86da10af30e2ea10ff180e5c70b3bb524ba2404d0d912ff6969c0f4627281e6bba8c349f
SSDEEP

24576:KyNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNhNn:

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

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\etnwauob = "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
2904	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\etnwauob\ImagePath = "C:\\Windows\\SysWOW64\\etnwauob\\igqooend.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2168	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2964	igqooend.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2964 set thread context of 2168	2964	igqooend.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2856	sc.exe
2932	sc.exe
3004	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igqooend.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	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2840	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	29
PID 3016 wrote to memory of 2840	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	29
PID 3016 wrote to memory of 2840	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	29
PID 3016 wrote to memory of 2840	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	29
PID 3016 wrote to memory of 2972	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	31
PID 3016 wrote to memory of 2972	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	31
PID 3016 wrote to memory of 2972	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	31
PID 3016 wrote to memory of 2972	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	31
PID 3016 wrote to memory of 2856	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	33
PID 3016 wrote to memory of 2856	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	33
PID 3016 wrote to memory of 2856	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	33
PID 3016 wrote to memory of 2856	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	33
PID 3016 wrote to memory of 2932	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	35
PID 3016 wrote to memory of 2932	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	35
PID 3016 wrote to memory of 2932	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	35
PID 3016 wrote to memory of 2932	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	35
PID 3016 wrote to memory of 3004	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	37
PID 3016 wrote to memory of 3004	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	37
PID 3016 wrote to memory of 3004	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	37
PID 3016 wrote to memory of 3004	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	37
PID 3016 wrote to memory of 2904	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	40
PID 3016 wrote to memory of 2904	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	40
PID 3016 wrote to memory of 2904	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	40
PID 3016 wrote to memory of 2904	3016	7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe	40
PID 2964 wrote to memory of 2168	2964	igqooend.exe	42
PID 2964 wrote to memory of 2168	2964	igqooend.exe	42
PID 2964 wrote to memory of 2168	2964	igqooend.exe	42
PID 2964 wrote to memory of 2168	2964	igqooend.exe	42
PID 2964 wrote to memory of 2168	2964	igqooend.exe	42
PID 2964 wrote to memory of 2168	2964	igqooend.exe	42

C:\Users\Admin\AppData\Local\Temp\7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\etnwauob\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2840
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\igqooend.exe" C:\Windows\SysWOW64\etnwauob\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2972
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create etnwauob binPath= "C:\Windows\SysWOW64\etnwauob\igqooend.exe /d\"C:\Users\Admin\AppData\Local\Temp\7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2856
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description etnwauob "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2932
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start etnwauob
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3004
- 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:2904

C:\Windows\SysWOW64\etnwauob\igqooend.exe
C:\Windows\SysWOW64\etnwauob\igqooend.exe /d"C:\Users\Admin\AppData\Local\Temp\7454b1a70a8f8acf82a9c2f9302d48d8_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2964
- 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:2168

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\igqooend.exe

Filesize
10.8MB

MD5
5ffb2c93ccd6026929615ddf51786082

SHA1
021f2ba6c79ab301bd8ff64dae999bc598572192

SHA256
17ccf59c098cbda6fd7808ced7869e6c582ed8ed22bb9a24c29496b1080ce46e

SHA512
cab6e84bc44d329e118e169806d5718ff99ad2648d6fb32a1d02d322dbb6cb64e037b81464522825ce655801c178d9ca03cc50271e3640eede7a5bb197e94cca

Download Submit
memory/2168-11-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2168-14-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2168-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2168-17-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2168-18-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2964-15-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3016-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3016-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/3016-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3016-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/3016-8-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3016-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads