tofsee | 9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819

Analysis

max time kernel
145s
max time network
143s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 01:39

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General

Target

JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe
Size

299KB
MD5

e6000425f67565c7d4234f3d380b2504
SHA1

866fb85524643bfecb3c6682196d4f0ae90e3114
SHA256

9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819
SHA512

ee95aadc6808319fa9e4acca541da55c461de164c87280c2e3271a168fbd23bccaf457e81508bd51f3c3e932b261070f6a271b2cf1c3c77a4de484066e2a630e
SSDEEP

3072:d2QC1KyeOzjzX4Ud67OBKExAxWtrFmXz7UFAeO2qciZf3Ox1RYphOXSuuW35KiIV:dakOBKZXzIFwBZf3g1RkhOCU345oNC

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

patmushta.info

parubey.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\nobnwusd = "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
2612	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\nobnwusd\ImagePath = "C:\\Windows\\SysWOW64\\nobnwusd\\smkefucr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2520	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2584	smkefucr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2584 set thread context of 2520	2584	smkefucr.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2528	sc.exe
1968	sc.exe
2648	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_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.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	smkefucr.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	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 2132 wrote to memory of 2860	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	30
PID 2132 wrote to memory of 2860	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	30
PID 2132 wrote to memory of 2860	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	30
PID 2132 wrote to memory of 2860	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	30
PID 2132 wrote to memory of 2668	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	32
PID 2132 wrote to memory of 2668	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	32
PID 2132 wrote to memory of 2668	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	32
PID 2132 wrote to memory of 2668	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	32
PID 2132 wrote to memory of 1968	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	34
PID 2132 wrote to memory of 1968	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	34
PID 2132 wrote to memory of 1968	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	34
PID 2132 wrote to memory of 1968	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	34
PID 2132 wrote to memory of 2648	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	36
PID 2132 wrote to memory of 2648	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	36
PID 2132 wrote to memory of 2648	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	36
PID 2132 wrote to memory of 2648	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	36
PID 2132 wrote to memory of 2528	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	38
PID 2132 wrote to memory of 2528	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	38
PID 2132 wrote to memory of 2528	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	38
PID 2132 wrote to memory of 2528	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	38
PID 2132 wrote to memory of 2612	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	41
PID 2132 wrote to memory of 2612	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	41
PID 2132 wrote to memory of 2612	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	41
PID 2132 wrote to memory of 2612	2132	JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe	41
PID 2584 wrote to memory of 2520	2584	smkefucr.exe	43
PID 2584 wrote to memory of 2520	2584	smkefucr.exe	43
PID 2584 wrote to memory of 2520	2584	smkefucr.exe	43
PID 2584 wrote to memory of 2520	2584	smkefucr.exe	43
PID 2584 wrote to memory of 2520	2584	smkefucr.exe	43
PID 2584 wrote to memory of 2520	2584	smkefucr.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nobnwusd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2860
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\smkefucr.exe" C:\Windows\SysWOW64\nobnwusd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2668
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nobnwusd binPath= "C:\Windows\SysWOW64\nobnwusd\smkefucr.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1968
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nobnwusd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2648
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nobnwusd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2528
- 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:2612

C:\Windows\SysWOW64\nobnwusd\smkefucr.exe
C:\Windows\SysWOW64\nobnwusd\smkefucr.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9674f8093e7a4372c9ac6220c77c7e8cf1c9f42c725ea9c20b9c21465a7b2819.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2584
- 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:2520

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\smkefucr.exe

Filesize
12.9MB

MD5
17abf3c9c0da30254120ad28e61a9caa

SHA1
92daabca44074110a6e67ecb028ac4da723153c9

SHA256
bee42980d7d2dfb6bcfdf5735de0f701a8a113c5ce00cde70dad49e3f989817b

SHA512
58caf87096066154e2604c75b8542484a6f4136b3d51faf4bc553931f10c131cd51d1bee7ead485abfbfe3691a884a4a55720191ec8e66bef55785edacfb61ca

Download Submit
memory/2132-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2132-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2132-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2132-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2132-9-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2132-1-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2132-7-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2520-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2520-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2520-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2520-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2520-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2584-18-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads