tofsee | 364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 00:11

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General

Target

JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe
Size

295KB
MD5

bf217862842c46b8757f366e820a86f0
SHA1

8a0f595178acd3e2ccda4c7d50d18cd76aa8eb2e
SHA256

364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3
SHA512

357b54ce1b33dcaa7df998154cb8c0d0507d23b350428f2377f6c68be05f07af117fa3d4b460f9874da5acee4eb5805d0e58b7ae0faf41af64f348c275a2a02b
SSDEEP

6144:tEPes46o9a0hKGJXjasSXuZet0yy8coHPk85Gm:tG46o9a8JXGsSXuZet0yy8c185z

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\ehkfoauc = "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
2804	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\ehkfoauc\ImagePath = "C:\\Windows\\SysWOW64\\ehkfoauc\\fhbqmiev.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2840	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2684	fhbqmiev.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2684 set thread context of 2840	2684	fhbqmiev.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2408	sc.exe
1848	sc.exe
2256	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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.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	fhbqmiev.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2420	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	30
PID 3044 wrote to memory of 2420	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	30
PID 3044 wrote to memory of 2420	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	30
PID 3044 wrote to memory of 2420	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	30
PID 3044 wrote to memory of 2472	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	32
PID 3044 wrote to memory of 2472	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	32
PID 3044 wrote to memory of 2472	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	32
PID 3044 wrote to memory of 2472	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	32
PID 3044 wrote to memory of 2408	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	34
PID 3044 wrote to memory of 2408	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	34
PID 3044 wrote to memory of 2408	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	34
PID 3044 wrote to memory of 2408	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	34
PID 3044 wrote to memory of 1848	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	36
PID 3044 wrote to memory of 1848	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	36
PID 3044 wrote to memory of 1848	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	36
PID 3044 wrote to memory of 1848	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	36
PID 3044 wrote to memory of 2256	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	38
PID 3044 wrote to memory of 2256	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	38
PID 3044 wrote to memory of 2256	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	38
PID 3044 wrote to memory of 2256	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	38
PID 3044 wrote to memory of 2804	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	41
PID 3044 wrote to memory of 2804	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	41
PID 3044 wrote to memory of 2804	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	41
PID 3044 wrote to memory of 2804	3044	JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe	41
PID 2684 wrote to memory of 2840	2684	fhbqmiev.exe	44
PID 2684 wrote to memory of 2840	2684	fhbqmiev.exe	44
PID 2684 wrote to memory of 2840	2684	fhbqmiev.exe	44
PID 2684 wrote to memory of 2840	2684	fhbqmiev.exe	44
PID 2684 wrote to memory of 2840	2684	fhbqmiev.exe	44
PID 2684 wrote to memory of 2840	2684	fhbqmiev.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ehkfoauc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fhbqmiev.exe" C:\Windows\SysWOW64\ehkfoauc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2472
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ehkfoauc binPath= "C:\Windows\SysWOW64\ehkfoauc\fhbqmiev.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2408
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ehkfoauc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1848
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ehkfoauc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2256
- 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:2804

C:\Windows\SysWOW64\ehkfoauc\fhbqmiev.exe
C:\Windows\SysWOW64\ehkfoauc\fhbqmiev.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_364ae9c5cdf3bf4e477155a84d1a18d43c74074891819cff85d9741ad5a9f5c3.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684
- 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:2840

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\fhbqmiev.exe

Filesize
11.4MB

MD5
69c4ea1c0bdbbeb49918c1ea56cb518e

SHA1
11fbd52ffe21bd10bbcd6075eb20c4a95d040eb9

SHA256
fa3f050ecb4c98dbebf20dbb1d66560aeb4c338ac0c5926bfe8187b3458237ed

SHA512
8853292ff882eb493d4e14d6903eb6cb781bfb58739ae19cdcbcc0b30f9f5bf3d90aee791366e43210474de303dff4483284f5ce2b194c836c5585f14612ae02

Download Submit
memory/2684-16-0x0000000000400000-0x0000000001C00000-memory.dmp

Filesize
24.0MB

Download
memory/2840-10-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2840-13-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2840-15-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2840-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2840-17-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/3044-1-0x0000000002060000-0x0000000002160000-memory.dmp

Filesize
1024KB

Download
memory/3044-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3044-2-0x00000000003B0000-0x00000000003C3000-memory.dmp

Filesize
76KB

Download
memory/3044-8-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3044-7-0x0000000000400000-0x0000000001C00000-memory.dmp

Filesize
24.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads