tofsee | 60d3784c885a575e4da68efddcaadd42b60de71878fcf1059dcb911182c692f7

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
31-12-2024 12:31

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General

Target

JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe
Size

14.3MB
MD5

1b883b5d2b888c636af27554843ba011
SHA1

87d6dec397d1431c24d09eaab7f216dc84581982
SHA256

60d3784c885a575e4da68efddcaadd42b60de71878fcf1059dcb911182c692f7
SHA512

0164eb1b14f1793f8068cc016ecbdc7f0d7891e1206577776c0b67d4a9d03fcc8a49c3c8458fb9559e1f4fdf67b5aa5cc4bc73fb8fb4ca27b24e08f4373d671f
SSDEEP

196608:NE/vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvn:NE

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\hpeqfage = "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
2776	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\hpeqfage\ImagePath = "C:\\Windows\\SysWOW64\\hpeqfage\\aynztpaq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2644	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2928	aynztpaq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2928 set thread context of 2644	2928	aynztpaq.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2804	sc.exe
2320	sc.exe
2900	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1b883b5d2b888c636af27554843ba011.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	aynztpaq.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2580	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	31
PID 2072 wrote to memory of 2580	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	31
PID 2072 wrote to memory of 2580	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	31
PID 2072 wrote to memory of 2580	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	31
PID 2072 wrote to memory of 1796	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	33
PID 2072 wrote to memory of 1796	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	33
PID 2072 wrote to memory of 1796	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	33
PID 2072 wrote to memory of 1796	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	33
PID 2072 wrote to memory of 2804	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	35
PID 2072 wrote to memory of 2804	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	35
PID 2072 wrote to memory of 2804	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	35
PID 2072 wrote to memory of 2804	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	35
PID 2072 wrote to memory of 2320	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	37
PID 2072 wrote to memory of 2320	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	37
PID 2072 wrote to memory of 2320	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	37
PID 2072 wrote to memory of 2320	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	37
PID 2072 wrote to memory of 2900	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	39
PID 2072 wrote to memory of 2900	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	39
PID 2072 wrote to memory of 2900	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	39
PID 2072 wrote to memory of 2900	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	39
PID 2072 wrote to memory of 2776	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	42
PID 2072 wrote to memory of 2776	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	42
PID 2072 wrote to memory of 2776	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	42
PID 2072 wrote to memory of 2776	2072	JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe	42
PID 2928 wrote to memory of 2644	2928	aynztpaq.exe	44
PID 2928 wrote to memory of 2644	2928	aynztpaq.exe	44
PID 2928 wrote to memory of 2644	2928	aynztpaq.exe	44
PID 2928 wrote to memory of 2644	2928	aynztpaq.exe	44
PID 2928 wrote to memory of 2644	2928	aynztpaq.exe	44
PID 2928 wrote to memory of 2644	2928	aynztpaq.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hpeqfage\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2580
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\aynztpaq.exe" C:\Windows\SysWOW64\hpeqfage\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1796
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hpeqfage binPath= "C:\Windows\SysWOW64\hpeqfage\aynztpaq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hpeqfage "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2320
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hpeqfage
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2900
- 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:2776

C:\Windows\SysWOW64\hpeqfage\aynztpaq.exe
C:\Windows\SysWOW64\hpeqfage\aynztpaq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b883b5d2b888c636af27554843ba011.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2928
- 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:2644

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\aynztpaq.exe

Filesize
11.4MB

MD5
0b093888cc5d156247c536e800a26c00

SHA1
f4b8e375f65f8a7846294be8134473d32a691033

SHA256
5a3d1f03ba1ebcbc4778cdbaad1d39bd90c44e478ad46e2e30ea54579bf455c5

SHA512
144bff03af01423333e081c20ade2d3ceca233c9e7abe081a27aa6dd2ba36bf6c607aad97bb55b7ce2b267242020bd93b3365afa75636a2b8283568fdd728fc0

Download Submit
memory/2072-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2072-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2072-4-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2072-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2072-9-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2644-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2644-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2644-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2644-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2928-17-0x0000000000400000-0x0000000000870000-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