tofsee | 31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0

Analysis

max time kernel
146s
max time network
146s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 12:43

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General

Target

JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe
Size

307KB
MD5

679b272d1cd99cd1afb007e8725b6c0b
SHA1

d187d9bd52a15e258e2eb6718cccc63adc2f75e0
SHA256

31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0
SHA512

1b8ff6fe6c6287a02f28fc2710c663b886d29760a69cf8bc0476b4285e8a81dbd084c28567112fb276381e6600945079f907b7ed43184eb777c2e443c06323b6
SSDEEP

6144:a3nvZPBRh7Q+FLZaBoN9xUWQzuvJduB+hufxh:GvZPBRh75Fb9x06v7O+Efx

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\wwsrjocq = "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
2564	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\wwsrjocq\ImagePath = "C:\\Windows\\SysWOW64\\wwsrjocq\\puqigjv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2716	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2784	puqigjv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2784 set thread context of 2716	2784	puqigjv.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2712	sc.exe
2664	sc.exe
2740	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	puqigjv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2760	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	30
PID 1792 wrote to memory of 2760	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	30
PID 1792 wrote to memory of 2760	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	30
PID 1792 wrote to memory of 2760	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	30
PID 1792 wrote to memory of 2952	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	32
PID 1792 wrote to memory of 2952	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	32
PID 1792 wrote to memory of 2952	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	32
PID 1792 wrote to memory of 2952	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	32
PID 1792 wrote to memory of 2664	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	34
PID 1792 wrote to memory of 2664	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	34
PID 1792 wrote to memory of 2664	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	34
PID 1792 wrote to memory of 2664	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	34
PID 1792 wrote to memory of 2740	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	36
PID 1792 wrote to memory of 2740	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	36
PID 1792 wrote to memory of 2740	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	36
PID 1792 wrote to memory of 2740	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	36
PID 1792 wrote to memory of 2712	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	38
PID 1792 wrote to memory of 2712	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	38
PID 1792 wrote to memory of 2712	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	38
PID 1792 wrote to memory of 2712	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	38
PID 1792 wrote to memory of 2564	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	41
PID 1792 wrote to memory of 2564	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	41
PID 1792 wrote to memory of 2564	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	41
PID 1792 wrote to memory of 2564	1792	JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe	41
PID 2784 wrote to memory of 2716	2784	puqigjv.exe	43
PID 2784 wrote to memory of 2716	2784	puqigjv.exe	43
PID 2784 wrote to memory of 2716	2784	puqigjv.exe	43
PID 2784 wrote to memory of 2716	2784	puqigjv.exe	43
PID 2784 wrote to memory of 2716	2784	puqigjv.exe	43
PID 2784 wrote to memory of 2716	2784	puqigjv.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.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\wwsrjocq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\puqigjv.exe" C:\Windows\SysWOW64\wwsrjocq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2952
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wwsrjocq binPath= "C:\Windows\SysWOW64\wwsrjocq\puqigjv.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wwsrjocq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wwsrjocq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2712
- 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:2564

C:\Windows\SysWOW64\wwsrjocq\puqigjv.exe
C:\Windows\SysWOW64\wwsrjocq\puqigjv.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_31653973bdcd072dec9d14ffbceb3a6f27c1913f1789b1efbbd7aee6e01dbff0.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2784
- 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:2716

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\puqigjv.exe

Filesize
12.8MB

MD5
a76d34d8ca49ddac7bd81e56a3d15200

SHA1
ef9bb2e036b16323dce0c6641fd09610c7970e63

SHA256
efd4ba902408668cb7f9aff91656550e50b10842f85279e8f0a408898d9aed3b

SHA512
ff71056a414ece82428e72a7acc0da03f6629484b3e5f1e01bf9b87cbd2586796a7ec5dacbb63dcc7dd00213484e98448358adb976bf4eec274ce3624ac160e1

Download Submit
memory/1792-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

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

Filesize
84KB

Download
memory/1792-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1792-8-0x0000000000400000-0x0000000002B94000-memory.dmp

Filesize
39.6MB

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

Filesize
84KB

Download
memory/1792-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2716-16-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2716-14-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2716-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2716-11-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2716-18-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2784-17-0x0000000000400000-0x0000000002B94000-memory.dmp

Filesize
39.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads