tofsee | 149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 21:47

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General

Target

JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe
Size

245KB
MD5

5d66b3351af42903b27bcb20cb3d0ab4
SHA1

247621e2325573507fdb548943a4533c4a956c4c
SHA256

149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328
SHA512

ec4086c62a5fc68e103ad4b929358240092194bfd6709995724118df0c685a49ecbed4502ae86d65eb5d945f2f097ad3eba446c12247e69aafdffefa254e37b7
SSDEEP

6144:G2xmE8GXkonz4RMSwuzbgwu6QigabwVf:G0mE807nJunn5

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\zuinkhot = "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
2764	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\zuinkhot\ImagePath = "C:\\Windows\\SysWOW64\\zuinkhot\\tclthzhq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2756	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2384	tclthzhq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2384 set thread context of 2756	2384	tclthzhq.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
292	sc.exe
3048	sc.exe
2948	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	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.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	svchost.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	tclthzhq.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2044	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	30
PID 2324 wrote to memory of 2044	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	30
PID 2324 wrote to memory of 2044	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	30
PID 2324 wrote to memory of 2044	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	30
PID 2324 wrote to memory of 2520	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	32
PID 2324 wrote to memory of 2520	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	32
PID 2324 wrote to memory of 2520	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	32
PID 2324 wrote to memory of 2520	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	32
PID 2324 wrote to memory of 292	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	34
PID 2324 wrote to memory of 292	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	34
PID 2324 wrote to memory of 292	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	34
PID 2324 wrote to memory of 292	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	34
PID 2324 wrote to memory of 3048	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	37
PID 2324 wrote to memory of 3048	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	37
PID 2324 wrote to memory of 3048	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	37
PID 2324 wrote to memory of 3048	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	37
PID 2324 wrote to memory of 2948	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	39
PID 2324 wrote to memory of 2948	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	39
PID 2324 wrote to memory of 2948	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	39
PID 2324 wrote to memory of 2948	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	39
PID 2324 wrote to memory of 2764	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	42
PID 2324 wrote to memory of 2764	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	42
PID 2324 wrote to memory of 2764	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	42
PID 2324 wrote to memory of 2764	2324	JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe	42
PID 2384 wrote to memory of 2756	2384	tclthzhq.exe	44
PID 2384 wrote to memory of 2756	2384	tclthzhq.exe	44
PID 2384 wrote to memory of 2756	2384	tclthzhq.exe	44
PID 2384 wrote to memory of 2756	2384	tclthzhq.exe	44
PID 2384 wrote to memory of 2756	2384	tclthzhq.exe	44
PID 2384 wrote to memory of 2756	2384	tclthzhq.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zuinkhot\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tclthzhq.exe" C:\Windows\SysWOW64\zuinkhot\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2520
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zuinkhot binPath= "C:\Windows\SysWOW64\zuinkhot\tclthzhq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:292
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zuinkhot "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3048
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zuinkhot
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- 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:2764

C:\Windows\SysWOW64\zuinkhot\tclthzhq.exe
C:\Windows\SysWOW64\zuinkhot\tclthzhq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_149a9e09d9ae785e2143685d52fe50243e0b981cf5ad5890fb6b80818ca80328.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- 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:2756

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\tclthzhq.exe

Filesize
13.5MB

MD5
6c9cd2853d50d7e0c78623f3b2b055af

SHA1
5573d6ede44d84690c7cd8df3e0d4c0ddbe0c4ce

SHA256
7617149a1074ec7470223ed84a69b3bb092ff7166088122cedac13af3d91e17e

SHA512
825a11fab21e32fca4fb0b67ba889f78e61117a6ffc22d2408ca8009abccdacff141e6f65051211d9be18216c6a526a904371e65dbfdb2813a27f0c89bcdf36a

Download Submit
memory/2324-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2324-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2324-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2324-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2324-8-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2324-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2324-6-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2384-14-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2756-13-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2756-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2756-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2756-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2756-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads