tofsee | ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f

Analysis

max time kernel
145s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 13:17

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General

Target

JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe
Size

239KB
MD5

fd72d95adb8b07cdc8a7dfa8a6b6131a
SHA1

4836083fc513785fb3f1515b6ac9b7a0f8c3a4d0
SHA256

ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f
SHA512

8e9d8c81f3b5a7228512048989509777e3a16f612a7d4f0551d629a8239913577e192037935239888d8c66ae72df13be7947d5e2f4eee7b6b3a82cdcbb82e725
SSDEEP

3072:gNexIXVg04czVH2c7rY/yWA1t6RzQKL00vycfCnMcK6bqBCLfvhv6f4FKPsQ:gNexwy0/zI4E/zA1WzQDMYXFi

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\qckdkgym = "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
2996	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\qckdkgym\ImagePath = "C:\\Windows\\SysWOW64\\qckdkgym\\dknlmmcq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2868	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2628	dknlmmcq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2628 set thread context of 2868	2628	dknlmmcq.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2368	sc.exe
2816	sc.exe
2772	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	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dknlmmcq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 2584	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	30
PID 2352 wrote to memory of 2584	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	30
PID 2352 wrote to memory of 2584	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	30
PID 2352 wrote to memory of 2584	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	30
PID 2352 wrote to memory of 1652	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	32
PID 2352 wrote to memory of 1652	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	32
PID 2352 wrote to memory of 1652	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	32
PID 2352 wrote to memory of 1652	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	32
PID 2352 wrote to memory of 2368	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	34
PID 2352 wrote to memory of 2368	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	34
PID 2352 wrote to memory of 2368	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	34
PID 2352 wrote to memory of 2368	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	34
PID 2352 wrote to memory of 2816	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	36
PID 2352 wrote to memory of 2816	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	36
PID 2352 wrote to memory of 2816	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	36
PID 2352 wrote to memory of 2816	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	36
PID 2352 wrote to memory of 2772	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	38
PID 2352 wrote to memory of 2772	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	38
PID 2352 wrote to memory of 2772	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	38
PID 2352 wrote to memory of 2772	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	38
PID 2352 wrote to memory of 2996	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	41
PID 2352 wrote to memory of 2996	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	41
PID 2352 wrote to memory of 2996	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	41
PID 2352 wrote to memory of 2996	2352	JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe	41
PID 2628 wrote to memory of 2868	2628	dknlmmcq.exe	43
PID 2628 wrote to memory of 2868	2628	dknlmmcq.exe	43
PID 2628 wrote to memory of 2868	2628	dknlmmcq.exe	43
PID 2628 wrote to memory of 2868	2628	dknlmmcq.exe	43
PID 2628 wrote to memory of 2868	2628	dknlmmcq.exe	43
PID 2628 wrote to memory of 2868	2628	dknlmmcq.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qckdkgym\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2584
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dknlmmcq.exe" C:\Windows\SysWOW64\qckdkgym\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1652
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qckdkgym binPath= "C:\Windows\SysWOW64\qckdkgym\dknlmmcq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2368
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qckdkgym "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qckdkgym
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2772
- 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:2996

C:\Windows\SysWOW64\qckdkgym\dknlmmcq.exe
C:\Windows\SysWOW64\qckdkgym\dknlmmcq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ce5524b77582e31c3c35e03476b31c78ca6a197ee31fb903058f4c90ccd4106f.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628
- 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:2868

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\dknlmmcq.exe

Filesize
10.5MB

MD5
5209e3d646f07e44455c42691babe8f2

SHA1
1a1dcc0a05aa9f606e188010893c8598c423a54f

SHA256
1922d379b298553c907714767a53eb262f068a7a945c1e29fe75c03e8b6a1860

SHA512
4a5e5ef348de577e6cf261987702052869a8e82bb7abd4d0c20a40cc5dd0cdb282d1a0570c32789138beecc4ac275767ab80173881217fa500b989978f2189e0

Download Submit
memory/2352-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2352-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2352-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2352-8-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2352-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2352-1-0x0000000000A00000-0x0000000000B00000-memory.dmp

Filesize
1024KB

Download
memory/2628-16-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/2868-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2868-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2868-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2868-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2868-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads