tofsee | c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 19:49

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General

Target

JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe
Size

342KB
MD5

d59317b58186bec4fcbb185c627a2146
SHA1

cac51347fb2b77384e971b4027fe9fc242cd26a3
SHA256

c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2
SHA512

2b15e8ed9e630d5fe3360e7f0c3cb248a66c06a5978f48621034e5544efb729150d78f03141ed47530b353d580190698d6210716d316663e3b1274a5394cf6a6
SSDEEP

6144:pownzj/xv5jECO8eaTd3pkQFoo3JXz7G7vyn7N4Bs:pHnvR3KQFoo3JXz7G784B

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\jkcgrzz = "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
2020	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\jkcgrzz\ImagePath = "C:\\Windows\\SysWOW64\\jkcgrzz\\spafdnkh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2844	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2668	spafdnkh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2668 set thread context of 2844	2668	spafdnkh.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2720	sc.exe
2624	sc.exe
2596	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	cmd.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_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spafdnkh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 2752	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	31
PID 2760 wrote to memory of 2752	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	31
PID 2760 wrote to memory of 2752	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	31
PID 2760 wrote to memory of 2752	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	31
PID 2760 wrote to memory of 2608	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	33
PID 2760 wrote to memory of 2608	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	33
PID 2760 wrote to memory of 2608	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	33
PID 2760 wrote to memory of 2608	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	33
PID 2760 wrote to memory of 2720	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	35
PID 2760 wrote to memory of 2720	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	35
PID 2760 wrote to memory of 2720	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	35
PID 2760 wrote to memory of 2720	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	35
PID 2760 wrote to memory of 2624	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	37
PID 2760 wrote to memory of 2624	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	37
PID 2760 wrote to memory of 2624	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	37
PID 2760 wrote to memory of 2624	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	37
PID 2760 wrote to memory of 2596	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	39
PID 2760 wrote to memory of 2596	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	39
PID 2760 wrote to memory of 2596	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	39
PID 2760 wrote to memory of 2596	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	39
PID 2760 wrote to memory of 2020	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	42
PID 2760 wrote to memory of 2020	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	42
PID 2760 wrote to memory of 2020	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	42
PID 2760 wrote to memory of 2020	2760	JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe	42
PID 2668 wrote to memory of 2844	2668	spafdnkh.exe	44
PID 2668 wrote to memory of 2844	2668	spafdnkh.exe	44
PID 2668 wrote to memory of 2844	2668	spafdnkh.exe	44
PID 2668 wrote to memory of 2844	2668	spafdnkh.exe	44
PID 2668 wrote to memory of 2844	2668	spafdnkh.exe	44
PID 2668 wrote to memory of 2844	2668	spafdnkh.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jkcgrzz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2752
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\spafdnkh.exe" C:\Windows\SysWOW64\jkcgrzz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2608
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jkcgrzz binPath= "C:\Windows\SysWOW64\jkcgrzz\spafdnkh.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2720
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jkcgrzz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2624
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jkcgrzz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2596
- 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:2020

C:\Windows\SysWOW64\jkcgrzz\spafdnkh.exe
C:\Windows\SysWOW64\jkcgrzz\spafdnkh.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c56060ee4c891b8292ee11e09389bb360bd3abc5aabf1177de4d59938e4c8ed2.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2668
- 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:2844

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\spafdnkh.exe

Filesize
13.3MB

MD5
ec912f045a8edb21d1c46c27a9639151

SHA1
ff7691784ce5602ef3caab99cbc3fe92fd3f4efe

SHA256
a2393a82352ee1df803ba95494a6baed5b1f9a0c35abd50b71e78c38b8673b21

SHA512
b01023a6cff9d436b3b1be555f0d8b58697895e86c7fc8fb8f1f35d4fc0d52cc45e5cf592280ae9cda83326d617180a4b2cd5e0b98a10884c896068b5cfc8359

Download Submit
memory/2668-17-0x0000000000400000-0x00000000008FA000-memory.dmp

Filesize
5.0MB

Download
memory/2760-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2760-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2760-7-0x0000000000400000-0x00000000008FA000-memory.dmp

Filesize
5.0MB

Download
memory/2760-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2760-1-0x0000000000A40000-0x0000000000B40000-memory.dmp

Filesize
1024KB

Download
memory/2760-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2844-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2844-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2844-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2844-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2844-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads