tofsee | a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 21:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe
Size

169KB
MD5

54bd5f89f412ae17884504b9a86c5e63
SHA1

8c596d102e6836e640a083ed4f9e9d127f919749
SHA256

a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232
SHA512

66342f222dc8739599c51d0f46e0c71dc2649734717c33dc940a56fb080508c30f64f289f414c2c37a0c807fb4e5cb2761ca6e41b2b372fbd139b90a089535ce
SSDEEP

3072:g5FWLk1FgKtHVuVtDcfLHQT0WXFl5TSQtXV7YZScM+kYBUS92:EMg1FgKRVu3DcTHQTvDTtxYgzMy

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\hkwkvntv = "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
2596	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\hkwkvntv\ImagePath = "C:\\Windows\\SysWOW64\\hkwkvntv\\hmljzfod.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2664	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2708	hmljzfod.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2708 set thread context of 2664	2708	hmljzfod.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2824	sc.exe
2704	sc.exe
2564	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	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	hmljzfod.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2748	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	30
PID 2440 wrote to memory of 2748	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	30
PID 2440 wrote to memory of 2748	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	30
PID 2440 wrote to memory of 2748	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	30
PID 2440 wrote to memory of 2948	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	32
PID 2440 wrote to memory of 2948	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	32
PID 2440 wrote to memory of 2948	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	32
PID 2440 wrote to memory of 2948	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	32
PID 2440 wrote to memory of 2824	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	34
PID 2440 wrote to memory of 2824	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	34
PID 2440 wrote to memory of 2824	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	34
PID 2440 wrote to memory of 2824	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	34
PID 2440 wrote to memory of 2704	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	36
PID 2440 wrote to memory of 2704	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	36
PID 2440 wrote to memory of 2704	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	36
PID 2440 wrote to memory of 2704	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	36
PID 2440 wrote to memory of 2564	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	38
PID 2440 wrote to memory of 2564	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	38
PID 2440 wrote to memory of 2564	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	38
PID 2440 wrote to memory of 2564	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	38
PID 2440 wrote to memory of 2596	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	41
PID 2440 wrote to memory of 2596	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	41
PID 2440 wrote to memory of 2596	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	41
PID 2440 wrote to memory of 2596	2440	JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe	41
PID 2708 wrote to memory of 2664	2708	hmljzfod.exe	43
PID 2708 wrote to memory of 2664	2708	hmljzfod.exe	43
PID 2708 wrote to memory of 2664	2708	hmljzfod.exe	43
PID 2708 wrote to memory of 2664	2708	hmljzfod.exe	43
PID 2708 wrote to memory of 2664	2708	hmljzfod.exe	43
PID 2708 wrote to memory of 2664	2708	hmljzfod.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hkwkvntv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hmljzfod.exe" C:\Windows\SysWOW64\hkwkvntv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hkwkvntv binPath= "C:\Windows\SysWOW64\hkwkvntv\hmljzfod.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2824
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hkwkvntv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2704
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hkwkvntv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2564
- 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:2596

C:\Windows\SysWOW64\hkwkvntv\hmljzfod.exe
C:\Windows\SysWOW64\hkwkvntv\hmljzfod.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a8fbca1fa917a16435b65abf5e83d85dcd4514f401ca4b635691f95d44834232.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:2664

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\hmljzfod.exe

Filesize
12.1MB

MD5
65c9e7328982940eefc7093014bbccd5

SHA1
f450d4c96292b06644df8f7a57e26dd014e54c90

SHA256
f01c4f83b3df946a627aba8404c3816be84949789d9fe3034f04428522a313d3

SHA512
7f0a3e195ed088c93932f4cfd9f361dec4ebfde72ef4d2ba47f3efa1d5d7ff7bf903e5ce7e8391b6aa444d685eb3928f511c5e6e429fb0f66e29a6e51d56fcee

Download Submit
memory/2440-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2440-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2440-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2440-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2440-8-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2440-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2440-6-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/2664-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-16-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads