tofsee | c63d0265b46bd1335dc44497a173abdbe8ffc762cacd9bebd485596dac45613c

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-10-2024 05:33

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General

Target

72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe
Size

14.8MB
MD5

72828f1e6f5011fb0f2a17c7f5ad6a92
SHA1

66f13212a070876bab338f0e742c47a8c26f9c27
SHA256

c63d0265b46bd1335dc44497a173abdbe8ffc762cacd9bebd485596dac45613c
SHA512

46f3825999754e9242d9def36cd7caa11883675c5a1783dbd5b8e41e230257c7ce309e5cbf3be6ec0c3c4eddc18b473ed58533e710ca4b9b01e6daae9e63329d
SSDEEP

196608:Cvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvn:

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

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\srqtdwum = "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
2168	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\srqtdwum\ImagePath = "C:\\Windows\\SysWOW64\\srqtdwum\\enzfpkgw.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2684	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1244	enzfpkgw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1244 set thread context of 2684	1244	enzfpkgw.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2776	sc.exe
760	sc.exe
2260	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	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	enzfpkgw.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2064	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	28
PID 2296 wrote to memory of 2064	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	28
PID 2296 wrote to memory of 2064	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	28
PID 2296 wrote to memory of 2064	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	28
PID 2296 wrote to memory of 2264	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	30
PID 2296 wrote to memory of 2264	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	30
PID 2296 wrote to memory of 2264	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	30
PID 2296 wrote to memory of 2264	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	30
PID 2296 wrote to memory of 2260	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	32
PID 2296 wrote to memory of 2260	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	32
PID 2296 wrote to memory of 2260	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	32
PID 2296 wrote to memory of 2260	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	32
PID 2296 wrote to memory of 2776	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	34
PID 2296 wrote to memory of 2776	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	34
PID 2296 wrote to memory of 2776	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	34
PID 2296 wrote to memory of 2776	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	34
PID 2296 wrote to memory of 760	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	36
PID 2296 wrote to memory of 760	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	36
PID 2296 wrote to memory of 760	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	36
PID 2296 wrote to memory of 760	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	36
PID 2296 wrote to memory of 2168	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	39
PID 2296 wrote to memory of 2168	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	39
PID 2296 wrote to memory of 2168	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	39
PID 2296 wrote to memory of 2168	2296	72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe	39
PID 1244 wrote to memory of 2684	1244	enzfpkgw.exe	41
PID 1244 wrote to memory of 2684	1244	enzfpkgw.exe	41
PID 1244 wrote to memory of 2684	1244	enzfpkgw.exe	41
PID 1244 wrote to memory of 2684	1244	enzfpkgw.exe	41
PID 1244 wrote to memory of 2684	1244	enzfpkgw.exe	41
PID 1244 wrote to memory of 2684	1244	enzfpkgw.exe	41

C:\Users\Admin\AppData\Local\Temp\72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\srqtdwum\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\enzfpkgw.exe" C:\Windows\SysWOW64\srqtdwum\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create srqtdwum binPath= "C:\Windows\SysWOW64\srqtdwum\enzfpkgw.exe /d\"C:\Users\Admin\AppData\Local\Temp\72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2260
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description srqtdwum "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start srqtdwum
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:760
- 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:2168

C:\Windows\SysWOW64\srqtdwum\enzfpkgw.exe
C:\Windows\SysWOW64\srqtdwum\enzfpkgw.exe /d"C:\Users\Admin\AppData\Local\Temp\72828f1e6f5011fb0f2a17c7f5ad6a92_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1244
- 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:2684

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\enzfpkgw.exe

Filesize
11.4MB

MD5
f121a2486d6c9662f924c704845b7b5b

SHA1
31b0a4fbff8fa21f43bd13bbb6e5c3ffc6463427

SHA256
e19071b79033762498d7506613108025ae2d3060651d530244f1ef8c2a9f7bd0

SHA512
66ce8264becf7574f5f2c844f1a86834a3a5fd73c676d0b37d9fa01b9e64875e0daab7cad1091bcb00472f6540187ef2ba0a3db971024e295fa96ab0c9e68fc2

Download Submit
memory/1244-15-0x0000000000400000-0x0000000002C6D000-memory.dmp

Filesize
40.4MB

Download
memory/2296-9-0x00000000002A0000-0x00000000002B3000-memory.dmp

Filesize
76KB

Download
memory/2296-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2296-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2296-8-0x0000000000400000-0x0000000002C6D000-memory.dmp

Filesize
40.4MB

Download
memory/2296-1-0x0000000002CE0000-0x0000000002DE0000-memory.dmp

Filesize
1024KB

Download
memory/2296-2-0x00000000002A0000-0x00000000002B3000-memory.dmp

Filesize
76KB

Download
memory/2684-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2684-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2684-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2684-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2684-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads