tofsee | ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 16:19

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General

Target

JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe
Size

328KB
MD5

a73c813fc82d9241239cce8bcb32ec7c
SHA1

dcac6a0e5617e9370d80abc63f1c7322b5e0326c
SHA256

ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f
SHA512

a816ddf984550d3b19c3c42d0c620f6017a4793869914b33357a7d8b4fcec54edfe8d250ca04a64af2a686241af536a6ca42f3d3c78634244209116f9f37d23c
SSDEEP

6144:w3VYRDgJ9dCwbNAJIZMVfwoi4YnbL+lKf7xUsDYXboo:oV0sY2fnbL+lKtUyYv

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.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\dqskczft = "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
2808	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\dqskczft\ImagePath = "C:\\Windows\\SysWOW64\\dqskczft\\jlfuqmiz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2564	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2548	jlfuqmiz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2548 set thread context of 2564	2548	jlfuqmiz.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2692	sc.exe
2228	sc.exe
2412	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	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jlfuqmiz.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 1704	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	31
PID 2308 wrote to memory of 1704	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	31
PID 2308 wrote to memory of 1704	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	31
PID 2308 wrote to memory of 1704	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	31
PID 2308 wrote to memory of 2324	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	33
PID 2308 wrote to memory of 2324	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	33
PID 2308 wrote to memory of 2324	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	33
PID 2308 wrote to memory of 2324	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	33
PID 2308 wrote to memory of 2228	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	35
PID 2308 wrote to memory of 2228	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	35
PID 2308 wrote to memory of 2228	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	35
PID 2308 wrote to memory of 2228	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	35
PID 2308 wrote to memory of 2412	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	37
PID 2308 wrote to memory of 2412	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	37
PID 2308 wrote to memory of 2412	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	37
PID 2308 wrote to memory of 2412	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	37
PID 2308 wrote to memory of 2692	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	39
PID 2308 wrote to memory of 2692	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	39
PID 2308 wrote to memory of 2692	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	39
PID 2308 wrote to memory of 2692	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	39
PID 2308 wrote to memory of 2808	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	42
PID 2308 wrote to memory of 2808	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	42
PID 2308 wrote to memory of 2808	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	42
PID 2308 wrote to memory of 2808	2308	JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe	42
PID 2548 wrote to memory of 2564	2548	jlfuqmiz.exe	44
PID 2548 wrote to memory of 2564	2548	jlfuqmiz.exe	44
PID 2548 wrote to memory of 2564	2548	jlfuqmiz.exe	44
PID 2548 wrote to memory of 2564	2548	jlfuqmiz.exe	44
PID 2548 wrote to memory of 2564	2548	jlfuqmiz.exe	44
PID 2548 wrote to memory of 2564	2548	jlfuqmiz.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dqskczft\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jlfuqmiz.exe" C:\Windows\SysWOW64\dqskczft\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2324
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dqskczft binPath= "C:\Windows\SysWOW64\dqskczft\jlfuqmiz.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2228
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dqskczft "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2412
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dqskczft
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2692
- 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:2808

C:\Windows\SysWOW64\dqskczft\jlfuqmiz.exe
C:\Windows\SysWOW64\dqskczft\jlfuqmiz.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac4b01f7584ce24c3e53d9b67355d4492837efb70c46fea6bb1b283c0bbf3c8f.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2548
- 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:2564

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\jlfuqmiz.exe

Filesize
13.5MB

MD5
e81494454da1ab6bc71f22adf1b7e770

SHA1
dcc9d7543054783ec8a6d68b9a916d75bff890ca

SHA256
a0b5f1a7454208f5a8c8baf1c8239cac2dd0d92568708016c12dfc9eab505d2a

SHA512
e0a73b6ed6bff80c0e68cec62e1aa4428f95d776db6d44319aa86718347fdaa43e636618c39041439a3bec689db369d161384283345f9a0bcdb93093df05e7ef

Download Submit
memory/2308-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2308-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2308-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2308-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2308-7-0x0000000000400000-0x00000000023A8000-memory.dmp

Filesize
31.7MB

Download
memory/2308-1-0x00000000027F0000-0x00000000028F0000-memory.dmp

Filesize
1024KB

Download
memory/2548-16-0x0000000000400000-0x00000000023A8000-memory.dmp

Filesize
31.7MB

Download
memory/2564-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2564-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2564-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2564-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2564-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads