tofsee | ee9b872015d916a29d3cb56629f02477d60ad22e62013ded3914fd72ea97f966

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10-12-2024 21:13

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General

Target

de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe
Size

11.4MB
MD5

de8324c81f580d5f1f3f313224f9cee2
SHA1

e0eeaa9e3000f88f3c37c15949bc90cd45a80fab
SHA256

ee9b872015d916a29d3cb56629f02477d60ad22e62013ded3914fd72ea97f966
SHA512

d5ebd3502d271830240fceac7aacf5b2235383584c86917f825191cc351c81b4517df589d98bcc066cbeb8ecdc2108bf57974d0324f107d04e0e19493de1523c
SSDEEP

24576:Wm1111111111111111111111111111111111111111111111111111111111111V:

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\pyilagg = "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
2556	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\pyilagg\ImagePath = "C:\\Windows\\SysWOW64\\pyilagg\\fxgolyke.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
572	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2812	fxgolyke.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2812 set thread context of 572	2812	fxgolyke.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2712	sc.exe
2828	sc.exe
2748	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	fxgolyke.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.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	netsh.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 2996 wrote to memory of 2116	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	30
PID 2996 wrote to memory of 2116	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	30
PID 2996 wrote to memory of 2116	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	30
PID 2996 wrote to memory of 2116	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	30
PID 2996 wrote to memory of 2884	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	32
PID 2996 wrote to memory of 2884	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	32
PID 2996 wrote to memory of 2884	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	32
PID 2996 wrote to memory of 2884	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	32
PID 2996 wrote to memory of 2828	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	34
PID 2996 wrote to memory of 2828	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	34
PID 2996 wrote to memory of 2828	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	34
PID 2996 wrote to memory of 2828	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	34
PID 2996 wrote to memory of 2748	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	36
PID 2996 wrote to memory of 2748	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	36
PID 2996 wrote to memory of 2748	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	36
PID 2996 wrote to memory of 2748	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	36
PID 2996 wrote to memory of 2712	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	38
PID 2996 wrote to memory of 2712	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	38
PID 2996 wrote to memory of 2712	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	38
PID 2996 wrote to memory of 2712	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	38
PID 2996 wrote to memory of 2556	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	41
PID 2996 wrote to memory of 2556	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	41
PID 2996 wrote to memory of 2556	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	41
PID 2996 wrote to memory of 2556	2996	de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe	41
PID 2812 wrote to memory of 572	2812	fxgolyke.exe	43
PID 2812 wrote to memory of 572	2812	fxgolyke.exe	43
PID 2812 wrote to memory of 572	2812	fxgolyke.exe	43
PID 2812 wrote to memory of 572	2812	fxgolyke.exe	43
PID 2812 wrote to memory of 572	2812	fxgolyke.exe	43
PID 2812 wrote to memory of 572	2812	fxgolyke.exe	43

C:\Users\Admin\AppData\Local\Temp\de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pyilagg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fxgolyke.exe" C:\Windows\SysWOW64\pyilagg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2884
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create pyilagg binPath= "C:\Windows\SysWOW64\pyilagg\fxgolyke.exe /d\"C:\Users\Admin\AppData\Local\Temp\de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2828
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description pyilagg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start pyilagg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2712
- 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:2556

C:\Windows\SysWOW64\pyilagg\fxgolyke.exe
C:\Windows\SysWOW64\pyilagg\fxgolyke.exe /d"C:\Users\Admin\AppData\Local\Temp\de8324c81f580d5f1f3f313224f9cee2_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812
- 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:572

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\fxgolyke.exe

Filesize
14.8MB

MD5
920cd67126d4a86566725d0d36f9c308

SHA1
32cd4b0e94151151f0e4cf60619a5da5db2a379e

SHA256
2bc4b7295de138391d09b0c15e5031ea69e4adc41174e8197099d73a9276d49c

SHA512
1e8370ff0ee6eb9c1042d7fa3924f74de5d0aa51e8893139078da98944eda7ffdaf3e560cfa7ed42587fba49265b25f52a8ff317bc854f0078222e3af8063a44

Download Submit
memory/572-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/572-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/572-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/572-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/572-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2812-17-0x0000000000400000-0x0000000002C6D000-memory.dmp

Filesize
40.4MB

Download
memory/2996-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2996-2-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2996-9-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2996-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2996-8-0x0000000000400000-0x0000000002C6D000-memory.dmp

Filesize
40.4MB

Download
memory/2996-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads