tofsee | 43c7f3dcdaa26dd8bbd5da79110c58070386e7a0334fa523765d3122ee92ae31

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 21:24

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General

Target

JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe
Size

13.5MB
MD5

37ce0ec1b25c9f496f74d90e6d548b46
SHA1

1933f0eafa5d0e2f7935d23ae34b33b7a7772c3c
SHA256

43c7f3dcdaa26dd8bbd5da79110c58070386e7a0334fa523765d3122ee92ae31
SHA512

275d3ce3336fe32e291503ae36e8491eb9ddfa0fa5f9e7e6e46188e4b00e68f56ae70670a005fb544920fce3ee6a7771bdf4e9367378295f896ae458754bea6f
SSDEEP

196608:vwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww:

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.ru

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\uzilqxvk = "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
2552	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\uzilqxvk\ImagePath = "C:\\Windows\\SysWOW64\\uzilqxvk\\dmvdrjra.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3052	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2656	dmvdrjra.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2656 set thread context of 3052	2656	dmvdrjra.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2820	sc.exe
2568	sc.exe
2716	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dmvdrjra.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2760	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	30
PID 1924 wrote to memory of 2760	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	30
PID 1924 wrote to memory of 2760	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	30
PID 1924 wrote to memory of 2760	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	30
PID 1924 wrote to memory of 2700	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	32
PID 1924 wrote to memory of 2700	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	32
PID 1924 wrote to memory of 2700	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	32
PID 1924 wrote to memory of 2700	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	32
PID 1924 wrote to memory of 2820	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	34
PID 1924 wrote to memory of 2820	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	34
PID 1924 wrote to memory of 2820	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	34
PID 1924 wrote to memory of 2820	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	34
PID 1924 wrote to memory of 2568	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	36
PID 1924 wrote to memory of 2568	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	36
PID 1924 wrote to memory of 2568	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	36
PID 1924 wrote to memory of 2568	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	36
PID 1924 wrote to memory of 2716	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	38
PID 1924 wrote to memory of 2716	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	38
PID 1924 wrote to memory of 2716	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	38
PID 1924 wrote to memory of 2716	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	38
PID 1924 wrote to memory of 2552	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	41
PID 1924 wrote to memory of 2552	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	41
PID 1924 wrote to memory of 2552	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	41
PID 1924 wrote to memory of 2552	1924	JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe	41
PID 2656 wrote to memory of 3052	2656	dmvdrjra.exe	43
PID 2656 wrote to memory of 3052	2656	dmvdrjra.exe	43
PID 2656 wrote to memory of 3052	2656	dmvdrjra.exe	43
PID 2656 wrote to memory of 3052	2656	dmvdrjra.exe	43
PID 2656 wrote to memory of 3052	2656	dmvdrjra.exe	43
PID 2656 wrote to memory of 3052	2656	dmvdrjra.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uzilqxvk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dmvdrjra.exe" C:\Windows\SysWOW64\uzilqxvk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uzilqxvk binPath= "C:\Windows\SysWOW64\uzilqxvk\dmvdrjra.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2820
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uzilqxvk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2568
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uzilqxvk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2716
- 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:2552

C:\Windows\SysWOW64\uzilqxvk\dmvdrjra.exe
C:\Windows\SysWOW64\uzilqxvk\dmvdrjra.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37ce0ec1b25c9f496f74d90e6d548b46.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656
- 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:3052

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\dmvdrjra.exe

Filesize
13.0MB

MD5
11e5b059cdbfb139bbfd4348e78c76a9

SHA1
2515915b03a4e7d092b5dbf881369c8c72d712a2

SHA256
18932977b62ea409b2635430a805334e223c9fc7e0ff5aac222c5eb9e79afa59

SHA512
89f8cbbacd18aa2381c567b69fe653ae60e9610e90ed98fe1c5b1ccc29fcd7b0224e9b777f8ea436146047f5949074bf5a672a8dd63e47e44ca65309e34a1744

Download Submit
memory/1924-1-0x00000000030C0000-0x00000000031C0000-memory.dmp

Filesize
1024KB

Download
memory/1924-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1924-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1924-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1924-8-0x0000000000400000-0x0000000002F11000-memory.dmp

Filesize
43.1MB

Download
memory/2656-16-0x0000000000400000-0x0000000002F11000-memory.dmp

Filesize
43.1MB

Download
memory/3052-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3052-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3052-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3052-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3052-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads