tofsee | 700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:46

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General

Target

JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe
Size

332KB
MD5

8b10f8df78e752a7f7185dafcf21a73a
SHA1

719fbd6bffe35110995f357ef38e4ceba1532ed8
SHA256

700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10
SHA512

40f3e6727f60b50b3aa803938540ff47b14e3c1a21deef0d072bf7edc77a1ce091deadaff4505571e0fd6c227811167e5bbd1570cef5b46fee9c50299cc50835
SSDEEP

6144:boO+WzjWb0yklQbZG8dn6MyrMlTJhct0rDyChIo:E5QWb0plQbZG8dn6MYiTJh7/HI

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\isdawfhw = "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
2800	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\isdawfhw\ImagePath = "C:\\Windows\\SysWOW64\\isdawfhw\\exlxpjly.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2832	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2820	exlxpjly.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2820 set thread context of 2832	2820	exlxpjly.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2452	sc.exe
1032	sc.exe
2704	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_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.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	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	exlxpjly.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2108	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	30
PID 2000 wrote to memory of 2108	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	30
PID 2000 wrote to memory of 2108	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	30
PID 2000 wrote to memory of 2108	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	30
PID 2000 wrote to memory of 2384	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	32
PID 2000 wrote to memory of 2384	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	32
PID 2000 wrote to memory of 2384	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	32
PID 2000 wrote to memory of 2384	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	32
PID 2000 wrote to memory of 2452	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	34
PID 2000 wrote to memory of 2452	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	34
PID 2000 wrote to memory of 2452	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	34
PID 2000 wrote to memory of 2452	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	34
PID 2000 wrote to memory of 1032	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	36
PID 2000 wrote to memory of 1032	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	36
PID 2000 wrote to memory of 1032	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	36
PID 2000 wrote to memory of 1032	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	36
PID 2000 wrote to memory of 2704	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	38
PID 2000 wrote to memory of 2704	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	38
PID 2000 wrote to memory of 2704	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	38
PID 2000 wrote to memory of 2704	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	38
PID 2000 wrote to memory of 2800	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	41
PID 2000 wrote to memory of 2800	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	41
PID 2000 wrote to memory of 2800	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	41
PID 2000 wrote to memory of 2800	2000	JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe	41
PID 2820 wrote to memory of 2832	2820	exlxpjly.exe	43
PID 2820 wrote to memory of 2832	2820	exlxpjly.exe	43
PID 2820 wrote to memory of 2832	2820	exlxpjly.exe	43
PID 2820 wrote to memory of 2832	2820	exlxpjly.exe	43
PID 2820 wrote to memory of 2832	2820	exlxpjly.exe	43
PID 2820 wrote to memory of 2832	2820	exlxpjly.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\isdawfhw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2108
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\exlxpjly.exe" C:\Windows\SysWOW64\isdawfhw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2384
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create isdawfhw binPath= "C:\Windows\SysWOW64\isdawfhw\exlxpjly.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2452
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description isdawfhw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1032
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start isdawfhw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2704
- 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:2800

C:\Windows\SysWOW64\isdawfhw\exlxpjly.exe
C:\Windows\SysWOW64\isdawfhw\exlxpjly.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_700893c0f8426f83c2731df16e089f2f463eaf91c4cd07f2feddf826a8581d10.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2820
- 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:2832

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\exlxpjly.exe

Filesize
10.3MB

MD5
aa05935e7621be91ba086bdb06ef23a6

SHA1
6d6b8e2243e6bd9516c05f92ceae26146d88be66

SHA256
9e2108c9420de77cd26fdb251856681924e366acddf9b8dcb582bf2b2c36b19e

SHA512
bd3f527f726a7ddf67b3d82520c822ae55794ca10d0ce8a24d0e94024dfb6f9d6e8026245ed715b60594393f246ceaa7942d89beaeb8aba60a6010360e6d40e7

Download Submit
memory/2000-7-0x0000000000400000-0x0000000002B4B000-memory.dmp

Filesize
39.3MB

Download
memory/2000-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2000-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2000-8-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2000-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2000-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2820-15-0x0000000000400000-0x0000000002B4B000-memory.dmp

Filesize
39.3MB

Download
memory/2832-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2832-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2832-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2832-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads