tofsee | bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 20:05

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General

Target

JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe
Size

254KB
MD5

3e043f2612e852802ff985d954946303
SHA1

f930345bf9605d7c343067c234b5985eec755aff
SHA256

bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac
SHA512

eb7be1f0017628ad12a9f5d37c38d2cbc10f9f5c62a031b669b39fa8118e43dfd0358ace83e94d6b7159c705d32f4c5f8814cde0489a33895528fca158708956
SSDEEP

3072:N0Op87yjsXyye+S0k3Ge2NnU5Z4mBwFkASvIlPfcRjOIqvMRbY8YhVccii+duBpp:dEyh2eV4mkkASgNajOILRsN/ccngHR

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\blvtiqjq = "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
2108	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\blvtiqjq\ImagePath = "C:\\Windows\\SysWOW64\\blvtiqjq\\ixyercwv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2656	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2780	ixyercwv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2780 set thread context of 2656	2780	ixyercwv.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2908	sc.exe
2896	sc.exe
2516	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	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ixyercwv.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 1804	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	30
PID 2068 wrote to memory of 1804	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	30
PID 2068 wrote to memory of 1804	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	30
PID 2068 wrote to memory of 1804	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	30
PID 2068 wrote to memory of 2332	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	32
PID 2068 wrote to memory of 2332	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	32
PID 2068 wrote to memory of 2332	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	32
PID 2068 wrote to memory of 2332	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	32
PID 2068 wrote to memory of 2516	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	34
PID 2068 wrote to memory of 2516	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	34
PID 2068 wrote to memory of 2516	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	34
PID 2068 wrote to memory of 2516	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	34
PID 2068 wrote to memory of 2908	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	36
PID 2068 wrote to memory of 2908	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	36
PID 2068 wrote to memory of 2908	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	36
PID 2068 wrote to memory of 2908	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	36
PID 2068 wrote to memory of 2896	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	38
PID 2068 wrote to memory of 2896	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	38
PID 2068 wrote to memory of 2896	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	38
PID 2068 wrote to memory of 2896	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	38
PID 2068 wrote to memory of 2108	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	41
PID 2068 wrote to memory of 2108	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	41
PID 2068 wrote to memory of 2108	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	41
PID 2068 wrote to memory of 2108	2068	JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe	41
PID 2780 wrote to memory of 2656	2780	ixyercwv.exe	43
PID 2780 wrote to memory of 2656	2780	ixyercwv.exe	43
PID 2780 wrote to memory of 2656	2780	ixyercwv.exe	43
PID 2780 wrote to memory of 2656	2780	ixyercwv.exe	43
PID 2780 wrote to memory of 2656	2780	ixyercwv.exe	43
PID 2780 wrote to memory of 2656	2780	ixyercwv.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\blvtiqjq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ixyercwv.exe" C:\Windows\SysWOW64\blvtiqjq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2332
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create blvtiqjq binPath= "C:\Windows\SysWOW64\blvtiqjq\ixyercwv.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2516
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description blvtiqjq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2908
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start blvtiqjq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2896
- 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:2108

C:\Windows\SysWOW64\blvtiqjq\ixyercwv.exe
C:\Windows\SysWOW64\blvtiqjq\ixyercwv.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bcab11e14d281232fd89ecbd980282470b5d7c451ed76f0d6bb5509991c176ac.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- 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:2656

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\ixyercwv.exe

Filesize
11.7MB

MD5
b831dbad7c344d4b998e2b7e925e3c1c

SHA1
9783dca93a0d1e32f6b50df66c573c449d72b8b1

SHA256
aaa7f9998bad3cb5fe06647d093a8e7af77db3362fd4bd99421e89c67fdb8683

SHA512
e5ea55d3071547959308b0c0a4546e487ba716e683894bbb204d80324f2a38499d91aa623caca7649375fb601276ab1def26b929ffcbf01dece5ead246648e2f

Download Submit
memory/2068-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2068-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2068-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2068-7-0x0000000000400000-0x0000000001085000-memory.dmp

Filesize
12.5MB

Download
memory/2068-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2068-1-0x00000000011C0000-0x00000000012C0000-memory.dmp

Filesize
1024KB

Download
memory/2656-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2656-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2780-17-0x0000000000400000-0x0000000001085000-memory.dmp

Filesize
12.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads