tofsee | edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26/12/2024, 16:11

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General

Target

JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe
Size

234KB
MD5

23c4dddcbb1118afe8e89be556182646
SHA1

fbda92dcf9cabd1f106d6315a064756cd7bd8494
SHA256

edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a
SHA512

06cd65c7a3d8b4cf63d9898c578a5527dd96222669789e3973d17b3446a4c6bdf0af5ef7a28d8ea6de10fc4e8923542bfbabad481c9490de291b930f97c384be
SSDEEP

6144:eZRil6yHn3xm61E1jhPUn6CHuzbgwujigaLwVf:eZRioyH3xm6+Cn6CHunnb

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\xdtaahms = "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
2436	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\xdtaahms\ImagePath = "C:\\Windows\\SysWOW64\\xdtaahms\\anwtuzly.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1716	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2728	anwtuzly.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2728 set thread context of 1716	2728	anwtuzly.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
1300	sc.exe
2804	sc.exe
2800	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	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	anwtuzly.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 1948	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	31
PID 2332 wrote to memory of 1948	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	31
PID 2332 wrote to memory of 1948	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	31
PID 2332 wrote to memory of 1948	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	31
PID 2332 wrote to memory of 1888	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	33
PID 2332 wrote to memory of 1888	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	33
PID 2332 wrote to memory of 1888	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	33
PID 2332 wrote to memory of 1888	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	33
PID 2332 wrote to memory of 1300	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	35
PID 2332 wrote to memory of 1300	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	35
PID 2332 wrote to memory of 1300	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	35
PID 2332 wrote to memory of 1300	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	35
PID 2332 wrote to memory of 2804	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	37
PID 2332 wrote to memory of 2804	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	37
PID 2332 wrote to memory of 2804	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	37
PID 2332 wrote to memory of 2804	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	37
PID 2332 wrote to memory of 2800	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	39
PID 2332 wrote to memory of 2800	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	39
PID 2332 wrote to memory of 2800	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	39
PID 2332 wrote to memory of 2800	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	39
PID 2332 wrote to memory of 2436	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	42
PID 2332 wrote to memory of 2436	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	42
PID 2332 wrote to memory of 2436	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	42
PID 2332 wrote to memory of 2436	2332	JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe	42
PID 2728 wrote to memory of 1716	2728	anwtuzly.exe	44
PID 2728 wrote to memory of 1716	2728	anwtuzly.exe	44
PID 2728 wrote to memory of 1716	2728	anwtuzly.exe	44
PID 2728 wrote to memory of 1716	2728	anwtuzly.exe	44
PID 2728 wrote to memory of 1716	2728	anwtuzly.exe	44
PID 2728 wrote to memory of 1716	2728	anwtuzly.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xdtaahms\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1948
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\anwtuzly.exe" C:\Windows\SysWOW64\xdtaahms\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1888
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xdtaahms binPath= "C:\Windows\SysWOW64\xdtaahms\anwtuzly.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1300
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xdtaahms "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xdtaahms
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2800
- 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:2436

C:\Windows\SysWOW64\xdtaahms\anwtuzly.exe
C:\Windows\SysWOW64\xdtaahms\anwtuzly.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_edf91adac029089d20ecaa12dfaf37aa6f30048fc11dbc94ab22c2fe16eaf72a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2728
- 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:1716

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\anwtuzly.exe

Filesize
14.9MB

MD5
1e27ee174cf9273e81f9ec0c71a52d15

SHA1
934042af22138a45ada1e697861f5ebc531f48ef

SHA256
af76e1414eb34c8e85d9092a4dccc8941ea44d94548b7d6fdfa8af27e8903e4d

SHA512
5552c4bb11fd0262dc9bc5ed06849d55e85da51855a331a9d1575cd6e4eb4426c5c347b002d2dd56eeaa234292cba94f888567d670e720d73adcaebde136002d

Download Submit
memory/1716-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1716-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1716-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1716-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1716-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2332-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2332-1-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/2332-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2332-8-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/2332-7-0x00000000002A0000-0x00000000002AD000-memory.dmp

Filesize
52KB

Download
memory/2332-6-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2332-0-0x00000000002A0000-0x00000000002AD000-memory.dmp

Filesize
52KB

Download
memory/2728-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads