tofsee | 52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33

Analysis

max time kernel
150s
max time network
146s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 06:32

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General

Target

JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe
Size

277KB
MD5

4414f4165580b1cee38b46abc9e404ed
SHA1

6e39fcb13209a4683d3b74f9bd5ce0f67b4c8dc1
SHA256

52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33
SHA512

2d6f542377d583b45428605650aead53f837c76d7b44f177143f8885352d98838f638a5817cbf41d4713eb816565a6f11e90ac12e08e4f1df3c564277c293a45
SSDEEP

3072:n0ZpS7y4OGK7t1wzsBj694paz55PP/w4MOduPbeujgAB34LYVmjo4FUrPfoiL4m/:VdqXw4B29jPBUbeufBoc4jo4md8mrz

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\qoyrlsak = "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
2852	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\qoyrlsak\ImagePath = "C:\\Windows\\SysWOW64\\qoyrlsak\\jbtazqbi.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2188	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2848	jbtazqbi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2848 set thread context of 2188	2848	jbtazqbi.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2228	sc.exe
2740	sc.exe
2752	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.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	jbtazqbi.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	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2528	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	30
PID 2184 wrote to memory of 2528	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	30
PID 2184 wrote to memory of 2528	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	30
PID 2184 wrote to memory of 2528	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	30
PID 2184 wrote to memory of 2900	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	32
PID 2184 wrote to memory of 2900	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	32
PID 2184 wrote to memory of 2900	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	32
PID 2184 wrote to memory of 2900	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	32
PID 2184 wrote to memory of 2228	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	34
PID 2184 wrote to memory of 2228	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	34
PID 2184 wrote to memory of 2228	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	34
PID 2184 wrote to memory of 2228	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	34
PID 2184 wrote to memory of 2740	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	36
PID 2184 wrote to memory of 2740	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	36
PID 2184 wrote to memory of 2740	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	36
PID 2184 wrote to memory of 2740	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	36
PID 2184 wrote to memory of 2752	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	38
PID 2184 wrote to memory of 2752	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	38
PID 2184 wrote to memory of 2752	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	38
PID 2184 wrote to memory of 2752	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	38
PID 2184 wrote to memory of 2852	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	41
PID 2184 wrote to memory of 2852	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	41
PID 2184 wrote to memory of 2852	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	41
PID 2184 wrote to memory of 2852	2184	JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe	41
PID 2848 wrote to memory of 2188	2848	jbtazqbi.exe	43
PID 2848 wrote to memory of 2188	2848	jbtazqbi.exe	43
PID 2848 wrote to memory of 2188	2848	jbtazqbi.exe	43
PID 2848 wrote to memory of 2188	2848	jbtazqbi.exe	43
PID 2848 wrote to memory of 2188	2848	jbtazqbi.exe	43
PID 2848 wrote to memory of 2188	2848	jbtazqbi.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qoyrlsak\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2528
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jbtazqbi.exe" C:\Windows\SysWOW64\qoyrlsak\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2900
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qoyrlsak binPath= "C:\Windows\SysWOW64\qoyrlsak\jbtazqbi.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.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 qoyrlsak "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qoyrlsak
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2752
- 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:2852

C:\Windows\SysWOW64\qoyrlsak\jbtazqbi.exe
C:\Windows\SysWOW64\qoyrlsak\jbtazqbi.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_52f93bb73ff8446b36a885d7cbf949a32740e8a7f8f5af3152cc402940b12b33.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- 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:2188

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\jbtazqbi.exe

Filesize
14.8MB

MD5
eb8d272ca80345d79dbc6508a101dc34

SHA1
ca287f3f6f0c34df5cbce3d45dbf1c56564bb709

SHA256
e8ee2134b11fb6a4d9cbc5ca344dd9c5bca19d1d95b3345c65f34c16598ba89b

SHA512
f67d7aeb1be754cd69f05088c904a2c590ef6a081b076deaf9c51e8b5b20419e287f946958f0d92f170074c9e3a978c849d1ea318d0685bccb9f16c9053ddf62

Download Submit
memory/2184-8-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2184-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2184-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2184-7-0x0000000000400000-0x0000000001FCB000-memory.dmp

Filesize
27.8MB

Download
memory/2184-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2184-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2188-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2188-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2188-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2188-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2188-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-15-0x0000000000400000-0x0000000001FCB000-memory.dmp

Filesize
27.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads