tofsee | e22cebdc511361af6279b3d257d5ca3c69fdd3b799f193fe3fdd8f9eeb303573

Analysis

max time kernel
147s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 13:33

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General

Target

JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe
Size

12.1MB
MD5

57093deb4af9d588900f67fc2e2d677e
SHA1

a83d4ced5a0d5fa7e4f1748bd1f8a9c9105bcdac
SHA256

e22cebdc511361af6279b3d257d5ca3c69fdd3b799f193fe3fdd8f9eeb303573
SHA512

da85cff41991841286401dcac9341db0740304c6d4421b5246160a1075b084c305f0069b05fd5e2dd85952de0382118857bad2fe473c95c4553761f7c504756d
SSDEEP

6144:/uumRZNKfLWUAUx6z6z1PiK/GasVhMz/bY:GbUR6z6zHGasVhU

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\coigbles = "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
2912	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\coigbles\ImagePath = "C:\\Windows\\SysWOW64\\coigbles\\tdivcxwl.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
864	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2664	tdivcxwl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2664 set thread context of 864	2664	tdivcxwl.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
3068	sc.exe
2672	sc.exe
2924	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	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	tdivcxwl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 2316	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	31
PID 1696 wrote to memory of 2316	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	31
PID 1696 wrote to memory of 2316	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	31
PID 1696 wrote to memory of 2316	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	31
PID 1696 wrote to memory of 2264	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	33
PID 1696 wrote to memory of 2264	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	33
PID 1696 wrote to memory of 2264	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	33
PID 1696 wrote to memory of 2264	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	33
PID 1696 wrote to memory of 3068	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	35
PID 1696 wrote to memory of 3068	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	35
PID 1696 wrote to memory of 3068	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	35
PID 1696 wrote to memory of 3068	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	35
PID 1696 wrote to memory of 2672	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	37
PID 1696 wrote to memory of 2672	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	37
PID 1696 wrote to memory of 2672	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	37
PID 1696 wrote to memory of 2672	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	37
PID 1696 wrote to memory of 2924	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	39
PID 1696 wrote to memory of 2924	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	39
PID 1696 wrote to memory of 2924	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	39
PID 1696 wrote to memory of 2924	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	39
PID 1696 wrote to memory of 2912	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	42
PID 1696 wrote to memory of 2912	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	42
PID 1696 wrote to memory of 2912	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	42
PID 1696 wrote to memory of 2912	1696	JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe	42
PID 2664 wrote to memory of 864	2664	tdivcxwl.exe	44
PID 2664 wrote to memory of 864	2664	tdivcxwl.exe	44
PID 2664 wrote to memory of 864	2664	tdivcxwl.exe	44
PID 2664 wrote to memory of 864	2664	tdivcxwl.exe	44
PID 2664 wrote to memory of 864	2664	tdivcxwl.exe	44
PID 2664 wrote to memory of 864	2664	tdivcxwl.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\coigbles\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tdivcxwl.exe" C:\Windows\SysWOW64\coigbles\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create coigbles binPath= "C:\Windows\SysWOW64\coigbles\tdivcxwl.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3068
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description coigbles "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2672
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start coigbles
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2924
- 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:2912

C:\Windows\SysWOW64\coigbles\tdivcxwl.exe
C:\Windows\SysWOW64\coigbles\tdivcxwl.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_57093deb4af9d588900f67fc2e2d677e.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- 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:864

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\tdivcxwl.exe

Filesize
12.3MB

MD5
04e323b7c66026131e5a3becffd2d09b

SHA1
cb1257b9cc39011724e2486404987a52f150ed26

SHA256
7291e5bdbc0e3d967ab5e530c5b91a39f309f035b614827a3a675f03678bdee7

SHA512
88993a6ea0a5313d85852213cf38c3bff2074caefa9116442e9693e7abb07f60668228de19eb5eaddfe2e66634fe7fb5099020974c41da1cbc4736b5e2236831

Download Submit
memory/864-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/864-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/864-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/864-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/864-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1696-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1696-2-0x00000000003B0000-0x00000000003C3000-memory.dmp

Filesize
76KB

Download
memory/1696-9-0x00000000003B0000-0x00000000003C3000-memory.dmp

Filesize
76KB

Download
memory/1696-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1696-10-0x0000000001B00000-0x0000000001C00000-memory.dmp

Filesize
1024KB

Download
memory/1696-8-0x0000000000400000-0x00000000016BD000-memory.dmp

Filesize
18.7MB

Download
memory/1696-1-0x0000000001B00000-0x0000000001C00000-memory.dmp

Filesize
1024KB

Download
memory/2664-18-0x0000000000400000-0x00000000016BD000-memory.dmp

Filesize
18.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads