tofsee | 73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 13:59

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General

Target

JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe
Size

287KB
MD5

508ea1cca364e2f73832dd3ef1160a84
SHA1

daab9d02720b6609f64628388611d09e02433633
SHA256

73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86
SHA512

39bec63482d99132d5ac18b5fdd8e22e01f5dc02b9ee458d37b2d271494356d23f6f7abe17ac020b45657fea476b52973a847005ec6ca4f1a576d2498fdc634f
SSDEEP

6144:uuj9qXmzAuZ8PT6HMgTp915tMvuDH4PKa7tqY:3EXrE8PT6HMgTp96vaY77o

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\dbhfjzbu = "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
2812	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\dbhfjzbu\ImagePath = "C:\\Windows\\SysWOW64\\dbhfjzbu\\vocogacp.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2740	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2956	vocogacp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2956 set thread context of 2740	2956	vocogacp.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2684	sc.exe
2328	sc.exe
2896	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	vocogacp.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2780	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	30
PID 2904 wrote to memory of 2780	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	30
PID 2904 wrote to memory of 2780	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	30
PID 2904 wrote to memory of 2780	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	30
PID 2904 wrote to memory of 2928	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	32
PID 2904 wrote to memory of 2928	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	32
PID 2904 wrote to memory of 2928	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	32
PID 2904 wrote to memory of 2928	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	32
PID 2904 wrote to memory of 2684	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	34
PID 2904 wrote to memory of 2684	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	34
PID 2904 wrote to memory of 2684	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	34
PID 2904 wrote to memory of 2684	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	34
PID 2904 wrote to memory of 2328	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	36
PID 2904 wrote to memory of 2328	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	36
PID 2904 wrote to memory of 2328	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	36
PID 2904 wrote to memory of 2328	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	36
PID 2904 wrote to memory of 2896	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	38
PID 2904 wrote to memory of 2896	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	38
PID 2904 wrote to memory of 2896	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	38
PID 2904 wrote to memory of 2896	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	38
PID 2904 wrote to memory of 2812	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	40
PID 2904 wrote to memory of 2812	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	40
PID 2904 wrote to memory of 2812	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	40
PID 2904 wrote to memory of 2812	2904	JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe	40
PID 2956 wrote to memory of 2740	2956	vocogacp.exe	43
PID 2956 wrote to memory of 2740	2956	vocogacp.exe	43
PID 2956 wrote to memory of 2740	2956	vocogacp.exe	43
PID 2956 wrote to memory of 2740	2956	vocogacp.exe	43
PID 2956 wrote to memory of 2740	2956	vocogacp.exe	43
PID 2956 wrote to memory of 2740	2956	vocogacp.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dbhfjzbu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2780
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vocogacp.exe" C:\Windows\SysWOW64\dbhfjzbu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2928
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dbhfjzbu binPath= "C:\Windows\SysWOW64\dbhfjzbu\vocogacp.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2684
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dbhfjzbu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2328
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dbhfjzbu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2896
- 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:2812

C:\Windows\SysWOW64\dbhfjzbu\vocogacp.exe
C:\Windows\SysWOW64\dbhfjzbu\vocogacp.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_73ce70fc473c2e6bad991731f810ba9d3ef400fd3788b4e45339068f69807b86.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956
- 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:2740

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\vocogacp.exe

Filesize
10.0MB

MD5
5b3fd14eff4d1a3a131db48a46d17de6

SHA1
ae66b71bbccadfe7a14efb03acc511699b126b14

SHA256
17c32f9cb84ff985141b9c518be8a0bc631484e49687682920c170159f8dbca7

SHA512
3e03314351a367b000cde57e1840b2990cca7ac8596f19a8d9816ea23dcce4fdffab4705e880fde5ba4dad2fca98cfc30c2a86a7a8e43a2580a5908e869c5a00

Download Submit
memory/2740-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2740-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2740-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2740-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2904-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2904-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2904-4-0x0000000000400000-0x0000000002B40000-memory.dmp

Filesize
39.2MB

Download
memory/2904-6-0x0000000000400000-0x0000000002B40000-memory.dmp

Filesize
39.2MB

Download
memory/2904-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2956-14-0x0000000000400000-0x0000000002B40000-memory.dmp

Filesize
39.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads