tofsee | 2f82a0c6e14edc35e09a3a1cac9ad392baa94447467e7ef69e00c7540a801150

Analysis

max time kernel
144s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 14:41

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General

Target

JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe
Size

10.6MB
MD5

ab109c913445e8a0251de173a629b44d
SHA1

79f7aa660bb6d35ba15d507eca8f9b84bc67a910
SHA256

2f82a0c6e14edc35e09a3a1cac9ad392baa94447467e7ef69e00c7540a801150
SHA512

51521f2442de9ba6d0f8be85d886bb83132eb3d73c1fbeedfaa2977bb38d628a8e8ada0b91f7d3b0eaaade13781d50e5bb8e991dbbbebe7775937d96e654b652
SSDEEP

196608:g4TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTH:g

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\aqtocljs = "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
2588	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\aqtocljs\ImagePath = "C:\\Windows\\SysWOW64\\aqtocljs\\qkgmxhzf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2612	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2792	qkgmxhzf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 2612	2792	qkgmxhzf.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2904	sc.exe
2692	sc.exe
2720	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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_ab109c913445e8a0251de173a629b44d.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	qkgmxhzf.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2652	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	30
PID 3036 wrote to memory of 2652	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	30
PID 3036 wrote to memory of 2652	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	30
PID 3036 wrote to memory of 2652	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	30
PID 3036 wrote to memory of 2664	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	32
PID 3036 wrote to memory of 2664	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	32
PID 3036 wrote to memory of 2664	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	32
PID 3036 wrote to memory of 2664	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	32
PID 3036 wrote to memory of 2904	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	34
PID 3036 wrote to memory of 2904	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	34
PID 3036 wrote to memory of 2904	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	34
PID 3036 wrote to memory of 2904	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	34
PID 3036 wrote to memory of 2692	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	36
PID 3036 wrote to memory of 2692	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	36
PID 3036 wrote to memory of 2692	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	36
PID 3036 wrote to memory of 2692	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	36
PID 3036 wrote to memory of 2720	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	38
PID 3036 wrote to memory of 2720	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	38
PID 3036 wrote to memory of 2720	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	38
PID 3036 wrote to memory of 2720	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	38
PID 3036 wrote to memory of 2588	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	41
PID 3036 wrote to memory of 2588	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	41
PID 3036 wrote to memory of 2588	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	41
PID 3036 wrote to memory of 2588	3036	JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe	41
PID 2792 wrote to memory of 2612	2792	qkgmxhzf.exe	43
PID 2792 wrote to memory of 2612	2792	qkgmxhzf.exe	43
PID 2792 wrote to memory of 2612	2792	qkgmxhzf.exe	43
PID 2792 wrote to memory of 2612	2792	qkgmxhzf.exe	43
PID 2792 wrote to memory of 2612	2792	qkgmxhzf.exe	43
PID 2792 wrote to memory of 2612	2792	qkgmxhzf.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aqtocljs\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2652
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qkgmxhzf.exe" C:\Windows\SysWOW64\aqtocljs\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create aqtocljs binPath= "C:\Windows\SysWOW64\aqtocljs\qkgmxhzf.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2904
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description aqtocljs "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2692
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start aqtocljs
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2720
- 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:2588

C:\Windows\SysWOW64\aqtocljs\qkgmxhzf.exe
C:\Windows\SysWOW64\aqtocljs\qkgmxhzf.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ab109c913445e8a0251de173a629b44d.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792
- 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:2612

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\qkgmxhzf.exe

Filesize
12.4MB

MD5
02594dac6569b4f8aa9d0abd0afa89de

SHA1
8158a5f6c23e1d27a5008b34037a5b7da6952d03

SHA256
82865eb6181eb48df2b399d5c86a4c988c6565a28b3ab87d4c3e1aa5e17f8c26

SHA512
9e2c581e148a0ed83c5a46931088b86d716d484489ba90e53335c24014f486ed93e0d29476aa9de179b5c45667b6e074b46557ab932638c242e97232c5653401

Download Submit
memory/2612-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2612-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2612-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2612-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2792-17-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/3036-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3036-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3036-8-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/3036-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3036-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3036-1-0x0000000000A40000-0x0000000000B40000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads