tofsee | 240967f196a84b28e897545973dd24e2f2f1b6b0e5793b2f296005d89d91f87a

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
12-10-2024 07:06

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General

Target

38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe
Size

10.1MB
MD5

38f15aaf745fb328eeeefd9eeb7fb715
SHA1

15ad9fd116c2fa305f3fd917901f536fae85bf5f
SHA256

240967f196a84b28e897545973dd24e2f2f1b6b0e5793b2f296005d89d91f87a
SHA512

d6e3269978f85a478875b7d33d16524a06ce959f1db77145e121dc2fa7d916d68f98dbdcba7c08705672b94e551dee2c4925f51569595b6afeb8a75a1dc9364d
SSDEEP

24576:YerU5sWbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbH:YsW

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\qjeqdome = "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
2688	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\qjeqdome\ImagePath = "C:\\Windows\\SysWOW64\\qjeqdome\\avkuzewu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2720	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2792	avkuzewu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2792 set thread context of 2720	2792	avkuzewu.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2940	sc.exe
1740	sc.exe
2832	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	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	avkuzewu.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2060	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	30
PID 1792 wrote to memory of 2060	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	30
PID 1792 wrote to memory of 2060	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	30
PID 1792 wrote to memory of 2060	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	30
PID 1792 wrote to memory of 2768	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	33
PID 1792 wrote to memory of 2768	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	33
PID 1792 wrote to memory of 2768	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	33
PID 1792 wrote to memory of 2768	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	33
PID 1792 wrote to memory of 1740	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	35
PID 1792 wrote to memory of 1740	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	35
PID 1792 wrote to memory of 1740	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	35
PID 1792 wrote to memory of 1740	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	35
PID 1792 wrote to memory of 2832	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	37
PID 1792 wrote to memory of 2832	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	37
PID 1792 wrote to memory of 2832	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	37
PID 1792 wrote to memory of 2832	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	37
PID 1792 wrote to memory of 2940	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	39
PID 1792 wrote to memory of 2940	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	39
PID 1792 wrote to memory of 2940	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	39
PID 1792 wrote to memory of 2940	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	39
PID 1792 wrote to memory of 2688	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	42
PID 1792 wrote to memory of 2688	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	42
PID 1792 wrote to memory of 2688	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	42
PID 1792 wrote to memory of 2688	1792	38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe	42
PID 2792 wrote to memory of 2720	2792	avkuzewu.exe	44
PID 2792 wrote to memory of 2720	2792	avkuzewu.exe	44
PID 2792 wrote to memory of 2720	2792	avkuzewu.exe	44
PID 2792 wrote to memory of 2720	2792	avkuzewu.exe	44
PID 2792 wrote to memory of 2720	2792	avkuzewu.exe	44
PID 2792 wrote to memory of 2720	2792	avkuzewu.exe	44

C:\Users\Admin\AppData\Local\Temp\38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qjeqdome\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2060
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\avkuzewu.exe" C:\Windows\SysWOW64\qjeqdome\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qjeqdome binPath= "C:\Windows\SysWOW64\qjeqdome\avkuzewu.exe /d\"C:\Users\Admin\AppData\Local\Temp\38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qjeqdome "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qjeqdome
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2940
- 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:2688

C:\Windows\SysWOW64\qjeqdome\avkuzewu.exe
C:\Windows\SysWOW64\qjeqdome\avkuzewu.exe /d"C:\Users\Admin\AppData\Local\Temp\38f15aaf745fb328eeeefd9eeb7fb715_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792
- 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:2720

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\avkuzewu.exe

Filesize
13.7MB

MD5
6ccbc2b470f1ea8997edb620efbd2c8d

SHA1
5ff4b3373b413c876beb48e15b669893d5032584

SHA256
76694192b9aa66c145968c143c17492f669cf115124b655cbf691826c53032d4

SHA512
8af227699305339a726972dae88800b6960106fa2d6cd8c6ec3a2b6fdc4b8029faab91749d356e678267efa95f9ae9a2501a2cb056cf52f196e0e8cc8eb182ca

Download Submit
memory/1792-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1792-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1792-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1792-8-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1792-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1792-1-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2720-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2720-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2720-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2720-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2792-15-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads