tofsee | 5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23

Analysis

max time kernel
146s
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, 08:19

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General

Target

JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe
Size

167KB
MD5

7a418d23ee221c55a141484703811b86
SHA1

e66e5b34f33f49961ed1b469fb88dd4020a3357b
SHA256

5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23
SHA512

ad35649dca8bb5720981c8941e2733c9d9dec3e6b57f70083948cb9c89b3e0d12ffee0b151dd301b0e80d3e1e3782acf7502d3302e423a5223b0a6a349264700
SSDEEP

3072:icIJ8Ty2eHnl+YF7MZrXrYLWvY25glvzs6PS9H6dYs:XIWe2eHRF7mrXsLvvzBEad

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\mpheebfb = "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
2740	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\mpheebfb\ImagePath = "C:\\Windows\\SysWOW64\\mpheebfb\\dgeztaku.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2656	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1636	dgeztaku.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1636 set thread context of 2656	1636	dgeztaku.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2516	sc.exe
2252	sc.exe
2784	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.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	dgeztaku.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 1804	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	30
PID 2068 wrote to memory of 1804	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	30
PID 2068 wrote to memory of 1804	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	30
PID 2068 wrote to memory of 1804	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	30
PID 2068 wrote to memory of 2332	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	32
PID 2068 wrote to memory of 2332	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	32
PID 2068 wrote to memory of 2332	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	32
PID 2068 wrote to memory of 2332	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	32
PID 2068 wrote to memory of 2516	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	34
PID 2068 wrote to memory of 2516	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	34
PID 2068 wrote to memory of 2516	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	34
PID 2068 wrote to memory of 2516	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	34
PID 2068 wrote to memory of 2252	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	36
PID 2068 wrote to memory of 2252	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	36
PID 2068 wrote to memory of 2252	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	36
PID 2068 wrote to memory of 2252	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	36
PID 2068 wrote to memory of 2784	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	38
PID 2068 wrote to memory of 2784	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	38
PID 2068 wrote to memory of 2784	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	38
PID 2068 wrote to memory of 2784	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	38
PID 2068 wrote to memory of 2740	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	41
PID 2068 wrote to memory of 2740	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	41
PID 2068 wrote to memory of 2740	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	41
PID 2068 wrote to memory of 2740	2068	JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe	41
PID 1636 wrote to memory of 2656	1636	dgeztaku.exe	43
PID 1636 wrote to memory of 2656	1636	dgeztaku.exe	43
PID 1636 wrote to memory of 2656	1636	dgeztaku.exe	43
PID 1636 wrote to memory of 2656	1636	dgeztaku.exe	43
PID 1636 wrote to memory of 2656	1636	dgeztaku.exe	43
PID 1636 wrote to memory of 2656	1636	dgeztaku.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mpheebfb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dgeztaku.exe" C:\Windows\SysWOW64\mpheebfb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2332
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mpheebfb binPath= "C:\Windows\SysWOW64\mpheebfb\dgeztaku.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2516
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mpheebfb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2252
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mpheebfb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2784
- 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:2740

C:\Windows\SysWOW64\mpheebfb\dgeztaku.exe
C:\Windows\SysWOW64\mpheebfb\dgeztaku.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5315c094dff5dc94036b83598b252b83d4ba1d72f856cae3fc1dc95cf72ffd23.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1636
- 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:2656

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\dgeztaku.exe

Filesize
13.9MB

MD5
f95b670bd16a13bc6cd61ecfcaf662fb

SHA1
979240860fb105cf721e79900b9194bfed897e57

SHA256
4d719050218d7a0880143fa929e471a5d91c6d83bf6c9c3e3de6489bfb69e2ee

SHA512
385ff71a3b03ceadfc6f612ee590ade9027634f7b589ecf840204cd0688bb9812c31c7871374ab01bd7d509e558fcd45cc38793ac7e47a3989825ce54c43c29e

Download Submit
memory/1636-17-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2068-8-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2068-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2068-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2068-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2068-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/2068-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2656-11-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2656-14-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2656-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-16-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2656-18-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads