tofsee | 9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/12/2024, 16:25

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General

Target

JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe
Size

179KB
MD5

091abd4eddf1fce2d33a6b066453e4c9
SHA1

de05a70e3dca3ce6a0b64cb6adca073248302840
SHA256

9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887
SHA512

4406692d65a81517a19d14cf082ebe9f40bf41dbf43d3c4ae44efc4eff46f1580ebfee0e43c1fe52bad36a9fae2f2d32f2bf004b81ae051a82f42ebf7f5c9971
SSDEEP

3072:l744SpmfTOqHTO8nYzvoI+6+gNU22HNgesS5nXm:MmfTO0Vn0oxXga2QudmX

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\awugrfjt = "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
2552	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\awugrfjt\ImagePath = "C:\\Windows\\SysWOW64\\awugrfjt\\rxsvenni.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3068	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2604	rxsvenni.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2604 set thread context of 3068	2604	rxsvenni.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2688	sc.exe
2120	sc.exe
2584	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_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rxsvenni.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2776	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	30
PID 2384 wrote to memory of 2776	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	30
PID 2384 wrote to memory of 2776	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	30
PID 2384 wrote to memory of 2776	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	30
PID 2384 wrote to memory of 2816	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	32
PID 2384 wrote to memory of 2816	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	32
PID 2384 wrote to memory of 2816	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	32
PID 2384 wrote to memory of 2816	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	32
PID 2384 wrote to memory of 2120	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	34
PID 2384 wrote to memory of 2120	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	34
PID 2384 wrote to memory of 2120	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	34
PID 2384 wrote to memory of 2120	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	34
PID 2384 wrote to memory of 2584	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	36
PID 2384 wrote to memory of 2584	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	36
PID 2384 wrote to memory of 2584	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	36
PID 2384 wrote to memory of 2584	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	36
PID 2384 wrote to memory of 2688	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	38
PID 2384 wrote to memory of 2688	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	38
PID 2384 wrote to memory of 2688	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	38
PID 2384 wrote to memory of 2688	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	38
PID 2384 wrote to memory of 2552	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	41
PID 2384 wrote to memory of 2552	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	41
PID 2384 wrote to memory of 2552	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	41
PID 2384 wrote to memory of 2552	2384	JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe	41
PID 2604 wrote to memory of 3068	2604	rxsvenni.exe	43
PID 2604 wrote to memory of 3068	2604	rxsvenni.exe	43
PID 2604 wrote to memory of 3068	2604	rxsvenni.exe	43
PID 2604 wrote to memory of 3068	2604	rxsvenni.exe	43
PID 2604 wrote to memory of 3068	2604	rxsvenni.exe	43
PID 2604 wrote to memory of 3068	2604	rxsvenni.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\awugrfjt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rxsvenni.exe" C:\Windows\SysWOW64\awugrfjt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create awugrfjt binPath= "C:\Windows\SysWOW64\awugrfjt\rxsvenni.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2120
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description awugrfjt "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2584
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start awugrfjt
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2688
- 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:2552

C:\Windows\SysWOW64\awugrfjt\rxsvenni.exe
C:\Windows\SysWOW64\awugrfjt\rxsvenni.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9244e2f59d0654663f6d0bca90be9a12b84a44251f3454e79e950a4e65943887.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2604
- 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:3068

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\rxsvenni.exe

Filesize
12.8MB

MD5
7a74d206315188c284766ee39702b552

SHA1
f6c19790df67176b2e2a30c9bceb7bf7d4ea67d5

SHA256
7c6f6c4b8427a1855c25b120c32f8f64dc7c9346e2fec9509081ee83e50d813f

SHA512
158713cc3df05269f6aa146a48404533906c8913d79df89a296f726dc790cbf448e8a3fc416622f0eb495e222dbd6eeea919f894598e4a60d4797bd60c20bcec

Download Submit
memory/2384-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2384-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2384-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2384-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2384-8-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2384-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2384-6-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2604-16-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3068-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3068-13-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3068-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3068-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3068-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads