tofsee | 2896824b730913854e31b41bc3a6df606d85792c03d6b435e73ed8022a7887e7

Analysis

max time kernel
145s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-01-2025 10:31

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General

Target

JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe
Size

13.0MB
MD5

5dd36b82638e15936007cf495f55d620
SHA1

3ba72b0f6aeee447d6eda839b20bc30c0dd80f33
SHA256

2896824b730913854e31b41bc3a6df606d85792c03d6b435e73ed8022a7887e7
SHA512

038823445ccc70984e921647ce555a3bc9521aefc4aceae5425a5dff96b780079a74055011f3261d45fbfe22159366c88c4309c2f515beba6866bbadb51ba397
SSDEEP

3072:LwGatcHwtl+h5fYdC7azLpUb2Y5G3wtl+h5fYdC7HIQDrwtR:kGUcHwtls5KCu49I3wtls5KCUQDrwt

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

lazystax.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\uvpzxjvm = "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
2784	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\uvpzxjvm\ImagePath = "C:\\Windows\\SysWOW64\\uvpzxjvm\\xbissgqm.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2884	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2900	xbissgqm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2900 set thread context of 2884	2900	xbissgqm.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2560	sc.exe
2256	sc.exe
2864	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5dd36b82638e15936007cf495f55d620.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	xbissgqm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2940	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	30
PID 2012 wrote to memory of 2940	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	30
PID 2012 wrote to memory of 2940	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	30
PID 2012 wrote to memory of 2940	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	30
PID 2012 wrote to memory of 1960	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	32
PID 2012 wrote to memory of 1960	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	32
PID 2012 wrote to memory of 1960	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	32
PID 2012 wrote to memory of 1960	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	32
PID 2012 wrote to memory of 2560	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	34
PID 2012 wrote to memory of 2560	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	34
PID 2012 wrote to memory of 2560	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	34
PID 2012 wrote to memory of 2560	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	34
PID 2012 wrote to memory of 2256	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	36
PID 2012 wrote to memory of 2256	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	36
PID 2012 wrote to memory of 2256	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	36
PID 2012 wrote to memory of 2256	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	36
PID 2012 wrote to memory of 2864	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	38
PID 2012 wrote to memory of 2864	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	38
PID 2012 wrote to memory of 2864	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	38
PID 2012 wrote to memory of 2864	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	38
PID 2900 wrote to memory of 2884	2900	xbissgqm.exe	41
PID 2900 wrote to memory of 2884	2900	xbissgqm.exe	41
PID 2900 wrote to memory of 2884	2900	xbissgqm.exe	41
PID 2900 wrote to memory of 2884	2900	xbissgqm.exe	41
PID 2900 wrote to memory of 2884	2900	xbissgqm.exe	41
PID 2900 wrote to memory of 2884	2900	xbissgqm.exe	41
PID 2012 wrote to memory of 2784	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	42
PID 2012 wrote to memory of 2784	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	42
PID 2012 wrote to memory of 2784	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	42
PID 2012 wrote to memory of 2784	2012	JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uvpzxjvm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2940
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xbissgqm.exe" C:\Windows\SysWOW64\uvpzxjvm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1960
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uvpzxjvm binPath= "C:\Windows\SysWOW64\uvpzxjvm\xbissgqm.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uvpzxjvm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2256
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uvpzxjvm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2864
- 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:2784

C:\Windows\SysWOW64\uvpzxjvm\xbissgqm.exe
C:\Windows\SysWOW64\uvpzxjvm\xbissgqm.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5dd36b82638e15936007cf495f55d620.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2900
- 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:2884

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\xbissgqm.exe

Filesize
12.0MB

MD5
b87c0559410162eb2c783be6eca894ba

SHA1
69a112a0b22b69afb73a54bc6cd17dc55dd39c62

SHA256
921f487c853788f571e29739ce7a68b9e9f25f310759427508d650a1c811fa85

SHA512
0f7c0658c5f235177c6e3e031b29a77c39b57bda56b03f13fff31b4ed52c7b9b329c22d57be9022e2dd71872e2ea971197d5cbbf7c8e3b913bbdb22ebc520e75

Download Submit
memory/2012-0-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2012-1-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2012-2-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2012-13-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2884-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-7-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2884-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2900-6-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2900-12-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads