tofsee | 94f3a611c239a6b1c3299127bdfcc989d979e6e701cf0662a1f8cabdeaea5227

Analysis

max time kernel
146s
max time network
147s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 23:45

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General

Target

JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe
Size

14.1MB
MD5

75a2fd988159ad2855f0d8e85b72a5e6
SHA1

86bc86cddb0fb7c8a1e9297a5587ba5e2e027003
SHA256

94f3a611c239a6b1c3299127bdfcc989d979e6e701cf0662a1f8cabdeaea5227
SHA512

0f152c1e9f026d8cc5302c26b356cca73aabaf177d20a8de471dd9a944eb57d49f5c08b038ffa2db1ef96092fadb480eb2fe0e48013180b06b53326744b30ca8
SSDEEP

196608:EFIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIP:E

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\ompmsgt = "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
2916	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\ompmsgt\ImagePath = "C:\\Windows\\SysWOW64\\ompmsgt\\qoywwmvl.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3000	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2812	qoywwmvl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2812 set thread context of 3000	2812	qoywwmvl.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2312	sc.exe
1404	sc.exe
2992	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	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	qoywwmvl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 1048	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	30
PID 2128 wrote to memory of 1048	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	30
PID 2128 wrote to memory of 1048	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	30
PID 2128 wrote to memory of 1048	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	30
PID 2128 wrote to memory of 2320	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	32
PID 2128 wrote to memory of 2320	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	32
PID 2128 wrote to memory of 2320	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	32
PID 2128 wrote to memory of 2320	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	32
PID 2128 wrote to memory of 1404	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	34
PID 2128 wrote to memory of 1404	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	34
PID 2128 wrote to memory of 1404	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	34
PID 2128 wrote to memory of 1404	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	34
PID 2128 wrote to memory of 2992	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	36
PID 2128 wrote to memory of 2992	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	36
PID 2128 wrote to memory of 2992	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	36
PID 2128 wrote to memory of 2992	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	36
PID 2128 wrote to memory of 2312	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	38
PID 2128 wrote to memory of 2312	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	38
PID 2128 wrote to memory of 2312	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	38
PID 2128 wrote to memory of 2312	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	38
PID 2128 wrote to memory of 2916	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	41
PID 2128 wrote to memory of 2916	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	41
PID 2128 wrote to memory of 2916	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	41
PID 2128 wrote to memory of 2916	2128	JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe	41
PID 2812 wrote to memory of 3000	2812	qoywwmvl.exe	43
PID 2812 wrote to memory of 3000	2812	qoywwmvl.exe	43
PID 2812 wrote to memory of 3000	2812	qoywwmvl.exe	43
PID 2812 wrote to memory of 3000	2812	qoywwmvl.exe	43
PID 2812 wrote to memory of 3000	2812	qoywwmvl.exe	43
PID 2812 wrote to memory of 3000	2812	qoywwmvl.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ompmsgt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1048
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qoywwmvl.exe" C:\Windows\SysWOW64\ompmsgt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2320
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ompmsgt binPath= "C:\Windows\SysWOW64\ompmsgt\qoywwmvl.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1404
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ompmsgt "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2992
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ompmsgt
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2312
- 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:2916

C:\Windows\SysWOW64\ompmsgt\qoywwmvl.exe
C:\Windows\SysWOW64\ompmsgt\qoywwmvl.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75a2fd988159ad2855f0d8e85b72a5e6.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812
- 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:3000

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\qoywwmvl.exe

Filesize
13.1MB

MD5
458c735b0f532908d90d20f8220845dd

SHA1
8be0cf64505dffb4b8f499fff743dd2d4e4d4241

SHA256
a9e63ad73c118200bd8d3b1b7c5de97f0b73f1770577e5c5793418004f302b7b

SHA512
5f5aa5e4939aef66b9f08f91c53cecdf2f2fd1277b5ae133fce440eb15fd1a010cd11761d41e583765df535d9fda59d56e8a2cba660ff131f7dc81fb5b908202

Download Submit
memory/2128-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2128-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2128-1-0x0000000000980000-0x0000000000A80000-memory.dmp

Filesize
1024KB

Download
memory/2128-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2128-10-0x0000000000980000-0x0000000000A80000-memory.dmp

Filesize
1024KB

Download
memory/2128-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2128-8-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/2812-18-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/3000-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3000-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3000-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3000-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3000-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads