tofsee | 696ba220cd5d19564f0fc05692cdd5a0f0ba2d73ea616c4bc1c49eacbf710f40

Analysis

max time kernel
144s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 20:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe
Size

11.4MB
MD5

7ac7e3c5e937ec52217f11f08670f74b
SHA1

2d06048a68a5a6cd48f956645e4d101a2b5b76b5
SHA256

696ba220cd5d19564f0fc05692cdd5a0f0ba2d73ea616c4bc1c49eacbf710f40
SHA512

00206814babfb2df3c2a71173159509c30b27dc1f3a578d18e76b26cf3690e1fbfdc3e165abb5f32813c4ad2ef3247a7aa2bce21414d185f0f249cc07cbdcc3e
SSDEEP

3072:0rLSAaIXFM9X/WWIyOEfEDQMZWecFKmZ:aNWktyH9V

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

lazystax.ru

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\dglzhhu = "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
2632	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\dglzhhu\ImagePath = "C:\\Windows\\SysWOW64\\dglzhhu\\nnmsdryb.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3036	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2424	nnmsdryb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2424 set thread context of 3036	2424	nnmsdryb.exe	39

Launches sc.exe 3 IoCs

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

pid	Process
2948	sc.exe
2124	sc.exe
1964	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	7ac7e3c5e937ec52217f11f08670f74b_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	nnmsdryb.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 268	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	28
PID 2868 wrote to memory of 268	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	28
PID 2868 wrote to memory of 268	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	28
PID 2868 wrote to memory of 268	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	28
PID 2868 wrote to memory of 2840	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	30
PID 2868 wrote to memory of 2840	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	30
PID 2868 wrote to memory of 2840	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	30
PID 2868 wrote to memory of 2840	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	30
PID 2868 wrote to memory of 2948	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	32
PID 2868 wrote to memory of 2948	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	32
PID 2868 wrote to memory of 2948	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	32
PID 2868 wrote to memory of 2948	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	32
PID 2868 wrote to memory of 2124	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	34
PID 2868 wrote to memory of 2124	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	34
PID 2868 wrote to memory of 2124	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	34
PID 2868 wrote to memory of 2124	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	34
PID 2868 wrote to memory of 1964	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	36
PID 2868 wrote to memory of 1964	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	36
PID 2868 wrote to memory of 1964	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	36
PID 2868 wrote to memory of 1964	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	36
PID 2424 wrote to memory of 3036	2424	nnmsdryb.exe	39
PID 2424 wrote to memory of 3036	2424	nnmsdryb.exe	39
PID 2424 wrote to memory of 3036	2424	nnmsdryb.exe	39
PID 2424 wrote to memory of 3036	2424	nnmsdryb.exe	39
PID 2424 wrote to memory of 3036	2424	nnmsdryb.exe	39
PID 2424 wrote to memory of 3036	2424	nnmsdryb.exe	39
PID 2868 wrote to memory of 2632	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	40
PID 2868 wrote to memory of 2632	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	40
PID 2868 wrote to memory of 2632	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	40
PID 2868 wrote to memory of 2632	2868	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	40

C:\Users\Admin\AppData\Local\Temp\7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dglzhhu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:268
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nnmsdryb.exe" C:\Windows\SysWOW64\dglzhhu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2840
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dglzhhu binPath= "C:\Windows\SysWOW64\dglzhhu\nnmsdryb.exe /d\"C:\Users\Admin\AppData\Local\Temp\7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dglzhhu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2124
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dglzhhu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1964
- 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:2632

C:\Windows\SysWOW64\dglzhhu\nnmsdryb.exe
C:\Windows\SysWOW64\dglzhhu\nnmsdryb.exe /d"C:\Users\Admin\AppData\Local\Temp\7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2424
- 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:3036

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nnmsdryb.exe

Filesize
14.6MB

MD5
37d54516cb3c25d2d3c6133b6a58e182

SHA1
88ad5b5d6742a60cfea4c92eddbcf5efce225212

SHA256
6eaa26c136c8085d26f37dcf12f1762382a281b8f324efe8bdf6b3c49c1b8c5e

SHA512
6b780ac62de19b408068f29235b5ad5272025c23f0533b7e6134f311189f0a5ee38704d09aac4cf1c165daa7bae169c76b569d6e4d89c9398a585ae93ec21d9f

Download Submit
memory/2424-14-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2424-15-0x00000000050E0000-0x00000000050F1000-memory.dmp

Filesize
68KB

Download
memory/2868-13-0x00000000050E0000-0x00000000050F1000-memory.dmp

Filesize
68KB

Download
memory/2868-0-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2868-1-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2868-2-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2868-12-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3036-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3036-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3036-7-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3036-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3036-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads