tofsee | cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37

Analysis

max time kernel
150s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 11:41

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General

Target

JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe
Size

296KB
MD5

142a7605680f58824eeb973ced7547b6
SHA1

2512decd1bdf871d20970b46d73ccd2b894ac6fa
SHA256

cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37
SHA512

80447b00d84881c4cf5240e1f7682a77c1e464dffd7f45f629935e2d0fd297f8c9634669785a5350f60d8ec8ad46c29b9ca5a1a7675eb5cdf6ba9376bb2aebed
SSDEEP

6144:1EQM+a/agwAS8XfaSXuZet0yy8TUoG9FPxfdTV:1lMh/agdS8vaSXuZet0yy8wzPxfT

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\tonmzlxh = "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
2868	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\tonmzlxh\ImagePath = "C:\\Windows\\SysWOW64\\tonmzlxh\\bgfdtzix.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2636	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2792	bgfdtzix.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 2636	2792	bgfdtzix.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2568	sc.exe
2720	sc.exe
2768	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bgfdtzix.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 3060	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	30
PID 3016 wrote to memory of 3060	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	30
PID 3016 wrote to memory of 3060	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	30
PID 3016 wrote to memory of 3060	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	30
PID 3016 wrote to memory of 2020	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	32
PID 3016 wrote to memory of 2020	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	32
PID 3016 wrote to memory of 2020	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	32
PID 3016 wrote to memory of 2020	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	32
PID 3016 wrote to memory of 2768	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	34
PID 3016 wrote to memory of 2768	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	34
PID 3016 wrote to memory of 2768	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	34
PID 3016 wrote to memory of 2768	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	34
PID 3016 wrote to memory of 2568	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	36
PID 3016 wrote to memory of 2568	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	36
PID 3016 wrote to memory of 2568	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	36
PID 3016 wrote to memory of 2568	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	36
PID 3016 wrote to memory of 2720	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	38
PID 3016 wrote to memory of 2720	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	38
PID 3016 wrote to memory of 2720	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	38
PID 3016 wrote to memory of 2720	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	38
PID 3016 wrote to memory of 2868	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	41
PID 3016 wrote to memory of 2868	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	41
PID 3016 wrote to memory of 2868	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	41
PID 3016 wrote to memory of 2868	3016	JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe	41
PID 2792 wrote to memory of 2636	2792	bgfdtzix.exe	43
PID 2792 wrote to memory of 2636	2792	bgfdtzix.exe	43
PID 2792 wrote to memory of 2636	2792	bgfdtzix.exe	43
PID 2792 wrote to memory of 2636	2792	bgfdtzix.exe	43
PID 2792 wrote to memory of 2636	2792	bgfdtzix.exe	43
PID 2792 wrote to memory of 2636	2792	bgfdtzix.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tonmzlxh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3060
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bgfdtzix.exe" C:\Windows\SysWOW64\tonmzlxh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2020
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tonmzlxh binPath= "C:\Windows\SysWOW64\tonmzlxh\bgfdtzix.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tonmzlxh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2568
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tonmzlxh
  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:2868

C:\Windows\SysWOW64\tonmzlxh\bgfdtzix.exe
C:\Windows\SysWOW64\tonmzlxh\bgfdtzix.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cbe2de6f93b8a38d091c13ace24a93655bc4198d3ec65a5f9de58c01c8d52f37.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:2636

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\bgfdtzix.exe

Filesize
12.4MB

MD5
1ec9b16f3df20eae194e2e1bfcafaaa6

SHA1
ccbb191918e07142a68db60e12677c3b055924d7

SHA256
6ccb802fccf8f2accdb4275b3736208e0715bd54bb8be68064a4d51afe7cdbff

SHA512
a860f5f824a35f628d7f71167db055ecfadbc88f6bdde4cdae52b4e212fae410e9d294cabf0c5a069a539b563ccec5ace13e220d503eee151dc7824b4777d791

Download Submit
memory/2636-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2636-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2636-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2636-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2636-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2792-17-0x0000000000400000-0x0000000001C00000-memory.dmp

Filesize
24.0MB

Download
memory/3016-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3016-2-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/3016-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3016-8-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/3016-7-0x0000000000400000-0x0000000001C00000-memory.dmp

Filesize
24.0MB

Download
memory/3016-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads