tofsee | 9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a

Analysis

max time kernel
147s
max time network
146s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 12:38

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General

Target

JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe
Size

167KB
MD5

0549a72976da108addc3768d017139c9
SHA1

47234f5fd7e7887e31f138c70a54968a91d81a81
SHA256

9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a
SHA512

d31cbc2263649268b38303811c40daee1651f4562d76face85a526e32ba340d75e7fcea695c4c83d19c7b840f38e5e9465bfce350e4dd8b5cf4fa6aacd874ff4
SSDEEP

3072:CcLgGzlfz8/TpIdGVTLwC25gOPU68zB3fBx/S9H6dYs:3rB+/TEwz5z/Ead

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\vdpbtsso = "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
2888	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\vdpbtsso\ImagePath = "C:\\Windows\\SysWOW64\\vdpbtsso\\iljeyfpz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2692	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2856	iljeyfpz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2856 set thread context of 2692	2856	iljeyfpz.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2132	sc.exe
2144	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	iljeyfpz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.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	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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 1944	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	30
PID 1520 wrote to memory of 1944	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	30
PID 1520 wrote to memory of 1944	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	30
PID 1520 wrote to memory of 1944	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	30
PID 1520 wrote to memory of 2944	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	32
PID 1520 wrote to memory of 2944	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	32
PID 1520 wrote to memory of 2944	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	32
PID 1520 wrote to memory of 2944	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	32
PID 1520 wrote to memory of 2132	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	34
PID 1520 wrote to memory of 2132	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	34
PID 1520 wrote to memory of 2132	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	34
PID 1520 wrote to memory of 2132	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	34
PID 1520 wrote to memory of 2144	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	36
PID 1520 wrote to memory of 2144	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	36
PID 1520 wrote to memory of 2144	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	36
PID 1520 wrote to memory of 2144	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	36
PID 1520 wrote to memory of 2876	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	38
PID 1520 wrote to memory of 2876	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	38
PID 1520 wrote to memory of 2876	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	38
PID 1520 wrote to memory of 2876	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	38
PID 1520 wrote to memory of 2888	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	41
PID 1520 wrote to memory of 2888	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	41
PID 1520 wrote to memory of 2888	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	41
PID 1520 wrote to memory of 2888	1520	JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe	41
PID 2856 wrote to memory of 2692	2856	iljeyfpz.exe	43
PID 2856 wrote to memory of 2692	2856	iljeyfpz.exe	43
PID 2856 wrote to memory of 2692	2856	iljeyfpz.exe	43
PID 2856 wrote to memory of 2692	2856	iljeyfpz.exe	43
PID 2856 wrote to memory of 2692	2856	iljeyfpz.exe	43
PID 2856 wrote to memory of 2692	2856	iljeyfpz.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vdpbtsso\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1944
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\iljeyfpz.exe" C:\Windows\SysWOW64\vdpbtsso\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2944
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create vdpbtsso binPath= "C:\Windows\SysWOW64\vdpbtsso\iljeyfpz.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2132
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description vdpbtsso "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2144
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start vdpbtsso
  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:2888

C:\Windows\SysWOW64\vdpbtsso\iljeyfpz.exe
C:\Windows\SysWOW64\vdpbtsso\iljeyfpz.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9f7e3c133fda9173878f3a1c3a63925a82a2cb868409ac5aacd4f92d8c94911a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856
- 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:2692

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\iljeyfpz.exe

Filesize
13.1MB

MD5
82109a1e359776ab24e636650c0d01a0

SHA1
6165268138bc67dbee256020210bc0f3edc22a58

SHA256
51364adcc9affe934dedef22172c629f387dd37517376342d8f009c0cc023106

SHA512
8230281fba3f1985382bf65c930fff2ece0f3e7c61ff054b3d257bea7651f947325024d0e7332c2c71a1ffaef83797b81f18240443288b589940bfc285bd7723

Download Submit
memory/1520-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1520-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1520-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1520-8-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1520-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1520-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/2692-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2692-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2692-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2692-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2692-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2692-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2856-15-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads