tofsee | 71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 14:34

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General

Target

JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe
Size

238KB
MD5

7ac48fea930450a7921154d8fce9af73
SHA1

7d5d237614902b12e9284a268cfec555ddce2c91
SHA256

71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020
SHA512

2aeba3519f28465b0b771e60f8dd786d37fb556810d92f0a15f38990aa597d24d7b93a0ad87e6cb700a84f2d587e369f94d016b788d570ee689ffce2ae4bca50
SSDEEP

6144:9X2ED6j2XfHNWY2CAhgfzoup0x17ITsq7igavwVf:9X246iXQzbGfcupk79

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\dqejbngy = "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
2728	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\dqejbngy\ImagePath = "C:\\Windows\\SysWOW64\\dqejbngy\\wfowkckt.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2880	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2708	wfowkckt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2708 set thread context of 2880	2708	wfowkckt.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2460	sc.exe
868	sc.exe
2124	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wfowkckt.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	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 816	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	30
PID 1016 wrote to memory of 816	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	30
PID 1016 wrote to memory of 816	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	30
PID 1016 wrote to memory of 816	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	30
PID 1016 wrote to memory of 1608	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	32
PID 1016 wrote to memory of 1608	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	32
PID 1016 wrote to memory of 1608	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	32
PID 1016 wrote to memory of 1608	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	32
PID 1016 wrote to memory of 2460	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	34
PID 1016 wrote to memory of 2460	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	34
PID 1016 wrote to memory of 2460	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	34
PID 1016 wrote to memory of 2460	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	34
PID 1016 wrote to memory of 868	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	36
PID 1016 wrote to memory of 868	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	36
PID 1016 wrote to memory of 868	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	36
PID 1016 wrote to memory of 868	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	36
PID 1016 wrote to memory of 2124	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	38
PID 1016 wrote to memory of 2124	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	38
PID 1016 wrote to memory of 2124	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	38
PID 1016 wrote to memory of 2124	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	38
PID 1016 wrote to memory of 2728	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	41
PID 1016 wrote to memory of 2728	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	41
PID 1016 wrote to memory of 2728	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	41
PID 1016 wrote to memory of 2728	1016	JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe	41
PID 2708 wrote to memory of 2880	2708	wfowkckt.exe	43
PID 2708 wrote to memory of 2880	2708	wfowkckt.exe	43
PID 2708 wrote to memory of 2880	2708	wfowkckt.exe	43
PID 2708 wrote to memory of 2880	2708	wfowkckt.exe	43
PID 2708 wrote to memory of 2880	2708	wfowkckt.exe	43
PID 2708 wrote to memory of 2880	2708	wfowkckt.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dqejbngy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:816
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wfowkckt.exe" C:\Windows\SysWOW64\dqejbngy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1608
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dqejbngy binPath= "C:\Windows\SysWOW64\dqejbngy\wfowkckt.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2460
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dqejbngy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:868
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dqejbngy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2124
- 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:2728

C:\Windows\SysWOW64\dqejbngy\wfowkckt.exe
C:\Windows\SysWOW64\dqejbngy\wfowkckt.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71aac11a291af42dfe2de42ae6523b9c1c8a08d1335d4e41ff37a8c2a3f5a020.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708
- 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:2880

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\wfowkckt.exe

Filesize
11.3MB

MD5
34a46381527efdad31f851cd92a31652

SHA1
8ad2ca56599b4fcedf30cac605c523cdabb48fc2

SHA256
f973e10c8c52a6c8104126ac957a75d57c9ccfc82d711f46d6759d5e062f5131

SHA512
39f19d5897bab29c7047d211967af9551b05464fbc2cc58fd4ef61164f6731b68714c4698b6ae4dcdb1c74d378f918c4fd1a6fca3f0b7ff68df8535fa3d7dc99

Download Submit
memory/1016-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1016-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1016-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1016-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1016-8-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1016-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1016-6-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2708-14-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2880-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2880-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2880-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2880-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2880-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads