tofsee | 4a1faed551556efe2e1e3e4f1c333f78adeb905ebffc84e4575da1da95f2a3ad

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 03:21

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General

Target

c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe
Size

10.5MB
MD5

c09354355fb07d6facea3c22adda2229
SHA1

73720603323de6932680de01f1ca5f71db192281
SHA256

4a1faed551556efe2e1e3e4f1c333f78adeb905ebffc84e4575da1da95f2a3ad
SHA512

cedcec999ca8c1d81733a5ecf1edeaa68a2a20fe124373a22276beb376148e4fa34be8ea5c52f13ffce0a45f44129a10d271a471084ba2b3f8ebbf422500782e
SSDEEP

6144:mrZQVnJzxj5nP76vk7wQ6udJm1lzvGCUWlnpj:iZ2zxj5nPmRQ6QgjzOCnl

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\xptkhkpo = "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
2716	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\xptkhkpo\ImagePath = "C:\\Windows\\SysWOW64\\xptkhkpo\\hoanwjke.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2944	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2932	hoanwjke.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2932 set thread context of 2944	2932	hoanwjke.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2896	sc.exe
2836	sc.exe
2928	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	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
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	hoanwjke.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2976	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	30
PID 2296 wrote to memory of 2976	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	30
PID 2296 wrote to memory of 2976	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	30
PID 2296 wrote to memory of 2976	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	30
PID 2296 wrote to memory of 2800	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	32
PID 2296 wrote to memory of 2800	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	32
PID 2296 wrote to memory of 2800	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	32
PID 2296 wrote to memory of 2800	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	32
PID 2296 wrote to memory of 2896	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	34
PID 2296 wrote to memory of 2896	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	34
PID 2296 wrote to memory of 2896	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	34
PID 2296 wrote to memory of 2896	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	34
PID 2296 wrote to memory of 2836	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	36
PID 2296 wrote to memory of 2836	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	36
PID 2296 wrote to memory of 2836	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	36
PID 2296 wrote to memory of 2836	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	36
PID 2296 wrote to memory of 2928	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	38
PID 2296 wrote to memory of 2928	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	38
PID 2296 wrote to memory of 2928	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	38
PID 2296 wrote to memory of 2928	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	38
PID 2296 wrote to memory of 2716	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	41
PID 2296 wrote to memory of 2716	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	41
PID 2296 wrote to memory of 2716	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	41
PID 2296 wrote to memory of 2716	2296	c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe	41
PID 2932 wrote to memory of 2944	2932	hoanwjke.exe	43
PID 2932 wrote to memory of 2944	2932	hoanwjke.exe	43
PID 2932 wrote to memory of 2944	2932	hoanwjke.exe	43
PID 2932 wrote to memory of 2944	2932	hoanwjke.exe	43
PID 2932 wrote to memory of 2944	2932	hoanwjke.exe	43
PID 2932 wrote to memory of 2944	2932	hoanwjke.exe	43

C:\Users\Admin\AppData\Local\Temp\c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xptkhkpo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2976
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hoanwjke.exe" C:\Windows\SysWOW64\xptkhkpo\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xptkhkpo binPath= "C:\Windows\SysWOW64\xptkhkpo\hoanwjke.exe /d\"C:\Users\Admin\AppData\Local\Temp\c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xptkhkpo "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xptkhkpo
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2928
- 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:2716

C:\Windows\SysWOW64\xptkhkpo\hoanwjke.exe
C:\Windows\SysWOW64\xptkhkpo\hoanwjke.exe /d"C:\Users\Admin\AppData\Local\Temp\c09354355fb07d6facea3c22adda2229_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2932
- 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:2944

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\hoanwjke.exe

Filesize
11.0MB

MD5
3299a82c5a0fff322bb3cfe5604ab293

SHA1
3db0ab06fa0e86d91d8dd7eddfb59ef9f60e6afa

SHA256
e4d4b3cd3947cb94fa4a0e2bae41d354db98cb367bb753ffaa9cfeb5cd455770

SHA512
389941571c10a262221a31fb0efd390599c19d818478e11981b2b9c74f85ea9403eb38730a86114ac4e66c69ac87578394abdc9dc2bf7892e4be13c475f3dbdf

Download Submit
memory/2296-8-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2296-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2296-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2296-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2296-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2296-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2932-16-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2944-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2944-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2944-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2944-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2944-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads