tofsee | 8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875

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
25-12-2024 00:26

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General

Target

JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe
Size

154KB
MD5

07d39bc6ccb9cdea500fd8d175b74c67
SHA1

b2e40b713608cce63c15b581feff213dc87954bb
SHA256

8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875
SHA512

907fa8db9a50c94deb74fc221743bb3c781cc8b9bb9128d15ed789776a93fa345ec60d1a1edc6567d4a569eb3dd6879fcbbeb64babe587d2e2b280d6c78945f9
SSDEEP

3072:KzamdKU4X+INwWgwLZMtUo5iOCuNNV00OHz:KzldKT+KwWgwl+7VN/OT

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\hqkofaiw = "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
2236	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\hqkofaiw\ImagePath = "C:\\Windows\\SysWOW64\\hqkofaiw\\rlueruzl.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
536	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2664	rlueruzl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2664 set thread context of 536	2664	rlueruzl.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
1996	sc.exe
2732	sc.exe
2820	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rlueruzl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.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 2512 wrote to memory of 304	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	31
PID 2512 wrote to memory of 304	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	31
PID 2512 wrote to memory of 304	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	31
PID 2512 wrote to memory of 304	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	31
PID 2512 wrote to memory of 2836	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	33
PID 2512 wrote to memory of 2836	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	33
PID 2512 wrote to memory of 2836	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	33
PID 2512 wrote to memory of 2836	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	33
PID 2512 wrote to memory of 1996	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	35
PID 2512 wrote to memory of 1996	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	35
PID 2512 wrote to memory of 1996	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	35
PID 2512 wrote to memory of 1996	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	35
PID 2512 wrote to memory of 2732	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	37
PID 2512 wrote to memory of 2732	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	37
PID 2512 wrote to memory of 2732	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	37
PID 2512 wrote to memory of 2732	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	37
PID 2512 wrote to memory of 2820	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	39
PID 2512 wrote to memory of 2820	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	39
PID 2512 wrote to memory of 2820	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	39
PID 2512 wrote to memory of 2820	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	39
PID 2512 wrote to memory of 2236	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	42
PID 2512 wrote to memory of 2236	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	42
PID 2512 wrote to memory of 2236	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	42
PID 2512 wrote to memory of 2236	2512	JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe	42
PID 2664 wrote to memory of 536	2664	rlueruzl.exe	44
PID 2664 wrote to memory of 536	2664	rlueruzl.exe	44
PID 2664 wrote to memory of 536	2664	rlueruzl.exe	44
PID 2664 wrote to memory of 536	2664	rlueruzl.exe	44
PID 2664 wrote to memory of 536	2664	rlueruzl.exe	44
PID 2664 wrote to memory of 536	2664	rlueruzl.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hqkofaiw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:304
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rlueruzl.exe" C:\Windows\SysWOW64\hqkofaiw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hqkofaiw binPath= "C:\Windows\SysWOW64\hqkofaiw\rlueruzl.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1996
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hqkofaiw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2732
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hqkofaiw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2820
- 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:2236

C:\Windows\SysWOW64\hqkofaiw\rlueruzl.exe
C:\Windows\SysWOW64\hqkofaiw\rlueruzl.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8f174ea90273feb2f39e1c72f9f56a3c9a1b90ff2cbeb235817a0fb454bb8875.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- 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:536

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\rlueruzl.exe

Filesize
13.9MB

MD5
ef22aaa0a269b4d5017bad16f9eb36ba

SHA1
3955b20256d62a23b9762b7d90d183bdb0ef6b30

SHA256
1777402fb60bb4b2877685c63d1099d9ee4b27a40b052572b7418db4947e37c4

SHA512
546d70d7d02333962f5dccdc8eda96fe558e23ef5acf4499a38c7b4c6a70bf884b904414490c7a214552723d4bb502dd9da57f4f393f93e507f2bfe1acc05ec8

Download Submit
memory/536-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/536-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/536-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/536-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/536-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2512-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2512-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2512-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2512-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2512-8-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/2512-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/2664-17-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads