tofsee | 499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 05:25

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General

Target

JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe
Size

285KB
MD5

c7c81a19e0a0682869c98da734e55b25
SHA1

d2e58799c4814e11beb7bf23b594ddfdb654bbfe
SHA256

499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd
SHA512

7e9059ce89b52ec5fc16c75fc3db559751ad29f288452228670068db3063628e8828e06bebc3ed3d6ad5ce43400a7f4a50294aa535b5064d6b8acd1612ec2d13
SSDEEP

6144:QKFbjoZovivz4hNuzbgwu6L7ITsqSigaTwVf:DbjoZMlhNunnn7s

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\znjycoqm = "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
2788	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\znjycoqm\ImagePath = "C:\\Windows\\SysWOW64\\znjycoqm\\yqipofqx.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2936	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2676	yqipofqx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2676 set thread context of 2936	2676	yqipofqx.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2056	sc.exe
2092	sc.exe
264	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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yqipofqx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2388	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	30
PID 3048 wrote to memory of 2388	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	30
PID 3048 wrote to memory of 2388	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	30
PID 3048 wrote to memory of 2388	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	30
PID 3048 wrote to memory of 356	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	32
PID 3048 wrote to memory of 356	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	32
PID 3048 wrote to memory of 356	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	32
PID 3048 wrote to memory of 356	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	32
PID 3048 wrote to memory of 264	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	34
PID 3048 wrote to memory of 264	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	34
PID 3048 wrote to memory of 264	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	34
PID 3048 wrote to memory of 264	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	34
PID 3048 wrote to memory of 2056	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	36
PID 3048 wrote to memory of 2056	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	36
PID 3048 wrote to memory of 2056	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	36
PID 3048 wrote to memory of 2056	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	36
PID 3048 wrote to memory of 2092	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	38
PID 3048 wrote to memory of 2092	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	38
PID 3048 wrote to memory of 2092	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	38
PID 3048 wrote to memory of 2092	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	38
PID 3048 wrote to memory of 2788	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	41
PID 3048 wrote to memory of 2788	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	41
PID 3048 wrote to memory of 2788	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	41
PID 3048 wrote to memory of 2788	3048	JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe	41
PID 2676 wrote to memory of 2936	2676	yqipofqx.exe	43
PID 2676 wrote to memory of 2936	2676	yqipofqx.exe	43
PID 2676 wrote to memory of 2936	2676	yqipofqx.exe	43
PID 2676 wrote to memory of 2936	2676	yqipofqx.exe	43
PID 2676 wrote to memory of 2936	2676	yqipofqx.exe	43
PID 2676 wrote to memory of 2936	2676	yqipofqx.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\znjycoqm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2388
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\yqipofqx.exe" C:\Windows\SysWOW64\znjycoqm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:356
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create znjycoqm binPath= "C:\Windows\SysWOW64\znjycoqm\yqipofqx.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description znjycoqm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2056
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start znjycoqm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2092
- 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:2788

C:\Windows\SysWOW64\znjycoqm\yqipofqx.exe
C:\Windows\SysWOW64\znjycoqm\yqipofqx.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_499d65ae848034b47448e62a1f54b52a7f5210836e009ef02f44a7ede4a46edd.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- 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:2936

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\yqipofqx.exe

Filesize
13.9MB

MD5
630fad5aec57b6e8dbc7c20d02472c68

SHA1
9c705b05879220357df47582317c73d9e3df5b18

SHA256
e8a6fea93af2eac307425db1bababe7b53bb540c17d7199ea8727a1e6d021f44

SHA512
9938e1ea9bbcbf6b78fa69601b4b018cb1bae6d7223203cc23cfc97508164f9997f4f2676931f31f243807302a7e6e55491f1a4484488f5deaa5e38f0764c927

Download Submit
memory/2676-14-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2936-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2936-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3048-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3048-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3048-8-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/3048-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/3048-6-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/3048-1-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/3048-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads