tofsee | a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c

Analysis

max time kernel
145s
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 23:17

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General

Target

JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe
Size

237KB
MD5

1191183d3c4cca2e9799d6a6d1c67b18
SHA1

6924ade5ffeef5b226223b83820e0e7c962a6102
SHA256

a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c
SHA512

7dcf7b30bb597917996ae1b22125df13127ee0a67242440c4b1ca3d7eb3f14f7435d180b1141d7c0cdee6e50891398ccac2a05c7953b372173b20bd66b282353
SSDEEP

6144:64Mm3W6nJ+lQ/7O3gLtA3wdZwwisdBLyJFJN5P0:6dbYJ+lQMgLtAgtiMxyJFJNN0

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\zwageczq = "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
2700	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\zwageczq\ImagePath = "C:\\Windows\\SysWOW64\\zwageczq\\igqooend.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2580	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2808	igqooend.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2808 set thread context of 2580	2808	igqooend.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2828	sc.exe
2688	sc.exe
2744	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.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	igqooend.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 3016	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	31
PID 868 wrote to memory of 3016	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	31
PID 868 wrote to memory of 3016	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	31
PID 868 wrote to memory of 3016	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	31
PID 868 wrote to memory of 2084	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	33
PID 868 wrote to memory of 2084	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	33
PID 868 wrote to memory of 2084	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	33
PID 868 wrote to memory of 2084	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	33
PID 868 wrote to memory of 2828	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	35
PID 868 wrote to memory of 2828	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	35
PID 868 wrote to memory of 2828	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	35
PID 868 wrote to memory of 2828	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	35
PID 868 wrote to memory of 2688	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	37
PID 868 wrote to memory of 2688	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	37
PID 868 wrote to memory of 2688	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	37
PID 868 wrote to memory of 2688	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	37
PID 868 wrote to memory of 2744	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	39
PID 868 wrote to memory of 2744	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	39
PID 868 wrote to memory of 2744	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	39
PID 868 wrote to memory of 2744	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	39
PID 868 wrote to memory of 2700	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	42
PID 868 wrote to memory of 2700	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	42
PID 868 wrote to memory of 2700	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	42
PID 868 wrote to memory of 2700	868	JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe	42
PID 2808 wrote to memory of 2580	2808	igqooend.exe	44
PID 2808 wrote to memory of 2580	2808	igqooend.exe	44
PID 2808 wrote to memory of 2580	2808	igqooend.exe	44
PID 2808 wrote to memory of 2580	2808	igqooend.exe	44
PID 2808 wrote to memory of 2580	2808	igqooend.exe	44
PID 2808 wrote to memory of 2580	2808	igqooend.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:868
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zwageczq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\igqooend.exe" C:\Windows\SysWOW64\zwageczq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2084
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zwageczq binPath= "C:\Windows\SysWOW64\zwageczq\igqooend.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.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 zwageczq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zwageczq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2744
- 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:2700

C:\Windows\SysWOW64\zwageczq\igqooend.exe
C:\Windows\SysWOW64\zwageczq\igqooend.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3adb0166f99e3d6632f0c915e9bf9361223b42639703f13873d9a1934e6797c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- 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:2580

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\igqooend.exe

Filesize
14.3MB

MD5
272e3d689f5215bd643f70f499ff0137

SHA1
e65e39c8336b777863a040eb2ede8d017a7d539d

SHA256
6a06a829731f0fd8c3015882f9cb3d2b3daafe696233a54972a69ae8b0b7eb73

SHA512
bbd68b2729aea486c89967698514980a8cbef6c036a14b150d18de00b5746f47ff987039cd48e68513d211d562f8ace973dc441a6db55ce838b5d61461d96fe1

Download Submit
memory/868-8-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/868-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/868-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/868-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/868-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/868-1-0x00000000009E0000-0x0000000000AE0000-memory.dmp

Filesize
1024KB

Download
memory/2580-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2580-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2580-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2580-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2580-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2808-15-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads