tofsee | 04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f

Analysis

max time kernel
150s
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 13:39

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General

Target

JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe
Size

285KB
MD5

6034f6a8acb2a90178de54274fa1544a
SHA1

09328269dfc3b4b2765f1e246505f575693bcb47
SHA256

04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f
SHA512

7ead9d7cbb2358f0bba6f4f1e20da2b3d6199ae73fddf3d9f3a7c1352a4bf4ca268c175e58a7bd1fa938d8b00eef7a492999425cb02219f77e66b0c26e09ea63
SSDEEP

6144:QKFbjnHEkmOZQgxVpuzbgwu6L7ITsqSigaTwVf:DbjkMxVpunnn7s

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\zsqckjav = "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
2856	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\zsqckjav\ImagePath = "C:\\Windows\\SysWOW64\\zsqckjav\\rjbihyjq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2872	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2824	rjbihyjq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2824 set thread context of 2872	2824	rjbihyjq.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
1424	sc.exe
1248	sc.exe
2756	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_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rjbihyjq.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2988	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	30
PID 1716 wrote to memory of 2988	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	30
PID 1716 wrote to memory of 2988	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	30
PID 1716 wrote to memory of 2988	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	30
PID 1716 wrote to memory of 2312	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	32
PID 1716 wrote to memory of 2312	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	32
PID 1716 wrote to memory of 2312	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	32
PID 1716 wrote to memory of 2312	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	32
PID 1716 wrote to memory of 1424	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	34
PID 1716 wrote to memory of 1424	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	34
PID 1716 wrote to memory of 1424	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	34
PID 1716 wrote to memory of 1424	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	34
PID 1716 wrote to memory of 1248	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	36
PID 1716 wrote to memory of 1248	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	36
PID 1716 wrote to memory of 1248	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	36
PID 1716 wrote to memory of 1248	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	36
PID 1716 wrote to memory of 2756	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	39
PID 1716 wrote to memory of 2756	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	39
PID 1716 wrote to memory of 2756	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	39
PID 1716 wrote to memory of 2756	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	39
PID 1716 wrote to memory of 2856	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	42
PID 1716 wrote to memory of 2856	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	42
PID 1716 wrote to memory of 2856	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	42
PID 1716 wrote to memory of 2856	1716	JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe	42
PID 2824 wrote to memory of 2872	2824	rjbihyjq.exe	44
PID 2824 wrote to memory of 2872	2824	rjbihyjq.exe	44
PID 2824 wrote to memory of 2872	2824	rjbihyjq.exe	44
PID 2824 wrote to memory of 2872	2824	rjbihyjq.exe	44
PID 2824 wrote to memory of 2872	2824	rjbihyjq.exe	44
PID 2824 wrote to memory of 2872	2824	rjbihyjq.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zsqckjav\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2988
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rjbihyjq.exe" C:\Windows\SysWOW64\zsqckjav\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2312
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zsqckjav binPath= "C:\Windows\SysWOW64\zsqckjav\rjbihyjq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1424
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zsqckjav "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1248
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zsqckjav
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2756
- 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:2856

C:\Windows\SysWOW64\zsqckjav\rjbihyjq.exe
C:\Windows\SysWOW64\zsqckjav\rjbihyjq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04ef826d7d0601ffd19f2a1fd76b6431570e6577ab67ffbbfe2f2a9305a9518f.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- 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:2872

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\rjbihyjq.exe

Filesize
13.6MB

MD5
e9739091776a545722363c7b6020558a

SHA1
1c11b655891386e4e3588c5550f0bddf3ac5f43b

SHA256
476868ea36b7a732634b8b6866e852a64851bde35070d4af0260d0551b942fca

SHA512
733e52a04e8c8d0032f17eb1e9a45eeb1f6eb2422baa2534c56ea6c407d59048effd7e990c3c01ab850b0b73f0a7f97832bea1f1a581bac51527917d74e83462

Download Submit
memory/1716-6-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1716-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1716-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1716-8-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1716-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1716-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1716-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2824-16-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/2872-13-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2872-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2872-10-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2872-15-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download
memory/2872-17-0x0000000000100000-0x0000000000115000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads