tofsee | ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa

Analysis

max time kernel
148s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 17:50

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General

Target
JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe
Size 164KB
Sample241223-wew6hawpcs
SHA256 ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa
MD5 683f74e088d0049fb003a0e21ffc9159
SHA1 b2e967a6b07fcacd50b26665e9c7cbb051e2503e
SHA512 4eee32dd38697b6e28f17235aa0a020d0996cc22b35bb9bd9f46cec8c64f1f2b79394c183c21a2f30d6c9a7c3b5074ac29ded88693e6fc59d4c457a8e6ec3ff9
SSDEEP 3072:vvsXt4/tRBX7iK3yV26O6a9vh5LTEnsBfQS9H6S:vkXS533OE9j0Ea
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru
refabyd.info

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\lxggxhhd = "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
2864	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\lxggxhhd\ImagePath = "C:\\Windows\\SysWOW64\\lxggxhhd\\qcjdiobj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1072	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2676	qcjdiobj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2676 set thread context of 1072	2676	qcjdiobj.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2872	sc.exe
1508	sc.exe
2856	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_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.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	qcjdiobj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2744	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	30
PID 2208 wrote to memory of 2744	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	30
PID 2208 wrote to memory of 2744	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	30
PID 2208 wrote to memory of 2744	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	30
PID 2208 wrote to memory of 2760	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	32
PID 2208 wrote to memory of 2760	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	32
PID 2208 wrote to memory of 2760	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	32
PID 2208 wrote to memory of 2760	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	32
PID 2208 wrote to memory of 2872	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	34
PID 2208 wrote to memory of 2872	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	34
PID 2208 wrote to memory of 2872	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	34
PID 2208 wrote to memory of 2872	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	34
PID 2208 wrote to memory of 1508	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	36
PID 2208 wrote to memory of 1508	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	36
PID 2208 wrote to memory of 1508	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	36
PID 2208 wrote to memory of 1508	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	36
PID 2208 wrote to memory of 2856	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	38
PID 2208 wrote to memory of 2856	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	38
PID 2208 wrote to memory of 2856	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	38
PID 2208 wrote to memory of 2856	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	38
PID 2208 wrote to memory of 2864	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	41
PID 2208 wrote to memory of 2864	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	41
PID 2208 wrote to memory of 2864	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	41
PID 2208 wrote to memory of 2864	2208	JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe	41
PID 2676 wrote to memory of 1072	2676	qcjdiobj.exe	43
PID 2676 wrote to memory of 1072	2676	qcjdiobj.exe	43
PID 2676 wrote to memory of 1072	2676	qcjdiobj.exe	43
PID 2676 wrote to memory of 1072	2676	qcjdiobj.exe	43
PID 2676 wrote to memory of 1072	2676	qcjdiobj.exe	43
PID 2676 wrote to memory of 1072	2676	qcjdiobj.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lxggxhhd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qcjdiobj.exe" C:\Windows\SysWOW64\lxggxhhd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lxggxhhd binPath= "C:\Windows\SysWOW64\lxggxhhd\qcjdiobj.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lxggxhhd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1508
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lxggxhhd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2856
- 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:2864

C:\Windows\SysWOW64\lxggxhhd\qcjdiobj.exe
C:\Windows\SysWOW64\lxggxhhd\qcjdiobj.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ff5130d64fbb3dbe15cf06ca1bd28d5ab5983a5fe1af3b6354205b03021b0baa.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- 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:1072

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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qcjdiobj.exe

Path C:\Users\Admin\AppData\Local\Temp\qcjdiobj.exe
Size 12.1MB
SHA256 a84d0675108da80d54028d3d435d1a54e9314441b91b124439c420894e66573a
MD5 994512229b56b800d4c3ae0b29b1dc92
SHA1 bee5d72124a6e90434810073f5dd7c3832515f19
SHA512 4833fb8ebdc2ca6a5691142e269a83fc4b4ce28e0fe34ad69ea598ad8beb71794e5ab0771647c08e2f17e46c3aa5cb34f97f51e5dab127ff600c38e066f25631
SSDEEP 24576:JHzje5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5e5en:Zz
MD5 SHA1 SHA512 SSDEEP

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memory/1072-14-0x0000000000080000-0x0000000000095000-memory.dmp

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memory/1072-16-0x0000000000080000-0x0000000000095000-memory.dmp

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memory/1072-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/1072-11-0x0000000000080000-0x0000000000095000-memory.dmp

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memory/1072-18-0x0000000000080000-0x0000000000095000-memory.dmp

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memory/2208-2-0x0000000000400000-0x0000000000415000-memory.dmp

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memory/2208-3-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2208-1-0x0000000000910000-0x0000000000A10000-memory.dmp

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memory/2208-10-0x0000000000400000-0x0000000000415000-memory.dmp

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memory/2208-9-0x0000000000400000-0x00000000004AF000-memory.dmp

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memory/2676-17-0x0000000000400000-0x00000000004AF000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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