tofsee | 36a91e9e960776f49ee5bc32abe2c39e57e1bf4f6d20d7c1c3dc29ee26cca7c9

Analysis

max time kernel
148s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 14:42

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General

Target

b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe
Size

14.4MB
MD5

b1e9e8aa6e9fb7e6eecc2ff67a5c3a49
SHA1

6dcb58533fbb4e8e70161fe38459670504daaf59
SHA256

36a91e9e960776f49ee5bc32abe2c39e57e1bf4f6d20d7c1c3dc29ee26cca7c9
SHA512

94e0e4ab1b541d92cbce3f82addc732c49f13add925840edb410a0bd7e28fbba0e706283a9c69e4938c8e71aa40f61316d2d3acdc5b5ef34daab92e34afbc7d1
SSDEEP

49152:R66666666666666666666666666666666666666666666666666666666666666m:

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.6

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\pvqghmdm = "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
2732	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\pvqghmdm\ImagePath = "C:\\Windows\\SysWOW64\\pvqghmdm\\jkmnhkfx.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
596	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2640	jkmnhkfx.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2640 set thread context of 596	2640	jkmnhkfx.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2880	sc.exe
280	sc.exe
2608	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	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.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	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	jkmnhkfx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2808	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2808	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2808	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2808	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2616	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	32
PID 2372 wrote to memory of 2616	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	32
PID 2372 wrote to memory of 2616	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	32
PID 2372 wrote to memory of 2616	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	32
PID 2372 wrote to memory of 2880	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	34
PID 2372 wrote to memory of 2880	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	34
PID 2372 wrote to memory of 2880	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	34
PID 2372 wrote to memory of 2880	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	34
PID 2372 wrote to memory of 280	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	36
PID 2372 wrote to memory of 280	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	36
PID 2372 wrote to memory of 280	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	36
PID 2372 wrote to memory of 280	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	36
PID 2372 wrote to memory of 2608	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	38
PID 2372 wrote to memory of 2608	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	38
PID 2372 wrote to memory of 2608	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	38
PID 2372 wrote to memory of 2608	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	38
PID 2372 wrote to memory of 2732	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	41
PID 2372 wrote to memory of 2732	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	41
PID 2372 wrote to memory of 2732	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	41
PID 2372 wrote to memory of 2732	2372	b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe	41
PID 2640 wrote to memory of 596	2640	jkmnhkfx.exe	43
PID 2640 wrote to memory of 596	2640	jkmnhkfx.exe	43
PID 2640 wrote to memory of 596	2640	jkmnhkfx.exe	43
PID 2640 wrote to memory of 596	2640	jkmnhkfx.exe	43
PID 2640 wrote to memory of 596	2640	jkmnhkfx.exe	43
PID 2640 wrote to memory of 596	2640	jkmnhkfx.exe	43

C:\Users\Admin\AppData\Local\Temp\b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pvqghmdm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2808
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jkmnhkfx.exe" C:\Windows\SysWOW64\pvqghmdm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2616
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create pvqghmdm binPath= "C:\Windows\SysWOW64\pvqghmdm\jkmnhkfx.exe /d\"C:\Users\Admin\AppData\Local\Temp\b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description pvqghmdm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:280
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start pvqghmdm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2608
- 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:2732

C:\Windows\SysWOW64\pvqghmdm\jkmnhkfx.exe
C:\Windows\SysWOW64\pvqghmdm\jkmnhkfx.exe /d"C:\Users\Admin\AppData\Local\Temp\b1e9e8aa6e9fb7e6eecc2ff67a5c3a49_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2640
- 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:596

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\jkmnhkfx.exe

Filesize
13.4MB

MD5
642f9b533503085cf78abdc8b29e10aa

SHA1
bba990f44ea3ae8a7f8ffe25621563b5b10d5167

SHA256
67fed80b7e1fe175761f3e0e319b395c388a7fbbef8bfb53b8ecb5a64488155c

SHA512
ae46d849a1cfe23d5fb097f56a7a11224b68aa4e72301ef1773510f0aaaa4ec1395ed287f51a4879082b2fc492857049274a4a9b35fded59cb182035ec5fb6a7

Download Submit
memory/596-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/596-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/596-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/596-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/596-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2372-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2372-2-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2372-7-0x0000000000400000-0x0000000000C0A000-memory.dmp

Filesize
8.0MB

Download
memory/2372-8-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2372-9-0x0000000000D00000-0x0000000000E00000-memory.dmp

Filesize
1024KB

Download
memory/2372-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2372-1-0x0000000000D00000-0x0000000000E00000-memory.dmp

Filesize
1024KB

Download
memory/2640-18-0x0000000000400000-0x0000000000C0A000-memory.dmp

Filesize
8.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads