tofsee | a53984677b2902d3935ac26b6f742969a2c686d4f98d7246eade0aa6e0ed14c5

Analysis

max time kernel
146s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 06:09

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General

Target

38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe
Size

13.5MB
MD5

38c2e6e7c809096dcb36e8ea89d9009c
SHA1

42344f575410699204c587a55a9b05f604e54275
SHA256

a53984677b2902d3935ac26b6f742969a2c686d4f98d7246eade0aa6e0ed14c5
SHA512

aee6c803d1cf73370eb66c109e5b359d6cf0aa0fade0b76243537d7e711ae2b6b6028855b7b675524670c9c9ce6280d26c08055d48a6bb82896fbf062cc07a21
SSDEEP

98304:3G1QbQkIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIn:22b

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

lazystax.ru

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\uxdwjvvq = "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
2692	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\uxdwjvvq\ImagePath = "C:\\Windows\\SysWOW64\\uxdwjvvq\\jobbedty.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2600	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2712	jobbedty.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2712 set thread context of 2600	2712	jobbedty.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2652	sc.exe
2700	sc.exe
2832	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jobbedty.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 1596	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	31
PID 2536 wrote to memory of 1596	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	31
PID 2536 wrote to memory of 1596	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	31
PID 2536 wrote to memory of 1596	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	31
PID 2536 wrote to memory of 2316	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	33
PID 2536 wrote to memory of 2316	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	33
PID 2536 wrote to memory of 2316	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	33
PID 2536 wrote to memory of 2316	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	33
PID 2536 wrote to memory of 2652	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	35
PID 2536 wrote to memory of 2652	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	35
PID 2536 wrote to memory of 2652	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	35
PID 2536 wrote to memory of 2652	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	35
PID 2536 wrote to memory of 2700	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	37
PID 2536 wrote to memory of 2700	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	37
PID 2536 wrote to memory of 2700	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	37
PID 2536 wrote to memory of 2700	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	37
PID 2536 wrote to memory of 2832	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	39
PID 2536 wrote to memory of 2832	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	39
PID 2536 wrote to memory of 2832	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	39
PID 2536 wrote to memory of 2832	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	39
PID 2536 wrote to memory of 2692	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	42
PID 2536 wrote to memory of 2692	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	42
PID 2536 wrote to memory of 2692	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	42
PID 2536 wrote to memory of 2692	2536	38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe	42
PID 2712 wrote to memory of 2600	2712	jobbedty.exe	44
PID 2712 wrote to memory of 2600	2712	jobbedty.exe	44
PID 2712 wrote to memory of 2600	2712	jobbedty.exe	44
PID 2712 wrote to memory of 2600	2712	jobbedty.exe	44
PID 2712 wrote to memory of 2600	2712	jobbedty.exe	44
PID 2712 wrote to memory of 2600	2712	jobbedty.exe	44

C:\Users\Admin\AppData\Local\Temp\38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uxdwjvvq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1596
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jobbedty.exe" C:\Windows\SysWOW64\uxdwjvvq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2316
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uxdwjvvq binPath= "C:\Windows\SysWOW64\uxdwjvvq\jobbedty.exe /d\"C:\Users\Admin\AppData\Local\Temp\38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2652
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uxdwjvvq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uxdwjvvq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2832
- 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:2692

C:\Windows\SysWOW64\uxdwjvvq\jobbedty.exe
C:\Windows\SysWOW64\uxdwjvvq\jobbedty.exe /d"C:\Users\Admin\AppData\Local\Temp\38c2e6e7c809096dcb36e8ea89d9009c_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712
- 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:2600

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\jobbedty.exe

Filesize
13.9MB

MD5
73438fbc1b4757491880853bb2f1fedd

SHA1
a22b5143e18384bc2e373df49ae0b8abdd31ecc7

SHA256
80eeb59149a40aa8fbeccddb28d34bac793dabaa8839392b80651a2ef8630c5f

SHA512
70aab0105d0528fb7f92ce040594fc63e63dc800c1a4c45b3fa72174fbfa9afa1b81194ba3158f53170a17471eb1a10ce0e098ddc31fa6eed26e575082dc07a3

Download Submit
memory/2536-8-0x0000000000240000-0x0000000000253000-memory.dmp

Filesize
76KB

Download
memory/2536-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2536-2-0x0000000000240000-0x0000000000253000-memory.dmp

Filesize
76KB

Download
memory/2536-7-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download
memory/2536-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2536-1-0x0000000000650000-0x0000000000750000-memory.dmp

Filesize
1024KB

Download
memory/2600-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2600-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2600-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2600-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2712-15-0x0000000000400000-0x00000000004E9000-memory.dmp

Filesize
932KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads