tofsee | 1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830

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
30-12-2024 03:53

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General

Target

JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe
Size

335KB
MD5

017583b1057e7938a8328077ea6798c9
SHA1

216cf9f3c20d94f1b61963e1a9bfc3bbfbe10148
SHA256

1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830
SHA512

4b18b0cf7c43a66b8c77351ca96b992a89f0f8db0cebb3443cac413933921f44c48540729acbcf52617f901c6e873f368089febaeb0a937f8b4de97384eb1f63
SSDEEP

6144:VAlVbQ7oF8g8oGQtHsdVlZYtLQLyF1nRETd:mlh4oPbjtHsdV7sQLyLyT

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\gaciaawa = "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
2744	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\gaciaawa\ImagePath = "C:\\Windows\\SysWOW64\\gaciaawa\\dihfvbkz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
984	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2708	dihfvbkz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2708 set thread context of 984	2708	dihfvbkz.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2104	sc.exe
2832	sc.exe
2664	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dihfvbkz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2224	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	30
PID 2892 wrote to memory of 2224	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	30
PID 2892 wrote to memory of 2224	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	30
PID 2892 wrote to memory of 2224	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	30
PID 2892 wrote to memory of 2672	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	32
PID 2892 wrote to memory of 2672	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	32
PID 2892 wrote to memory of 2672	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	32
PID 2892 wrote to memory of 2672	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	32
PID 2892 wrote to memory of 2104	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	34
PID 2892 wrote to memory of 2104	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	34
PID 2892 wrote to memory of 2104	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	34
PID 2892 wrote to memory of 2104	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	34
PID 2892 wrote to memory of 2832	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	36
PID 2892 wrote to memory of 2832	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	36
PID 2892 wrote to memory of 2832	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	36
PID 2892 wrote to memory of 2832	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	36
PID 2892 wrote to memory of 2664	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	38
PID 2892 wrote to memory of 2664	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	38
PID 2892 wrote to memory of 2664	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	38
PID 2892 wrote to memory of 2664	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	38
PID 2892 wrote to memory of 2744	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	41
PID 2892 wrote to memory of 2744	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	41
PID 2892 wrote to memory of 2744	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	41
PID 2892 wrote to memory of 2744	2892	JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe	41
PID 2708 wrote to memory of 984	2708	dihfvbkz.exe	43
PID 2708 wrote to memory of 984	2708	dihfvbkz.exe	43
PID 2708 wrote to memory of 984	2708	dihfvbkz.exe	43
PID 2708 wrote to memory of 984	2708	dihfvbkz.exe	43
PID 2708 wrote to memory of 984	2708	dihfvbkz.exe	43
PID 2708 wrote to memory of 984	2708	dihfvbkz.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gaciaawa\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2224
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dihfvbkz.exe" C:\Windows\SysWOW64\gaciaawa\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2672
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gaciaawa binPath= "C:\Windows\SysWOW64\gaciaawa\dihfvbkz.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2104
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gaciaawa "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gaciaawa
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2664
- 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:2744

C:\Windows\SysWOW64\gaciaawa\dihfvbkz.exe
C:\Windows\SysWOW64\gaciaawa\dihfvbkz.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ac1ba9e387d088187f04697d6365f7b750d0883c82581d2aef0609c6060a830.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:984

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\dihfvbkz.exe

Filesize
11.7MB

MD5
7c6f3b9fa8d6924ace120719963f6577

SHA1
698ddf0a3afbbecdbef7662c29880f90a5f01d1e

SHA256
05a63683a55caba45c928df534563935e72dd591534f7119b80a524018f7c3e0

SHA512
0416b55b6f16a9b0c9683d8a27736679d6aed6b12a5060ced4287ea3207ac601cbe74a77c0a170709a06d78b6bf1d90c68699ec815563a6c8ddd0ca9746299c3

Download Submit
memory/984-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/984-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/984-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/984-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/984-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-16-0x0000000000400000-0x0000000002B4C000-memory.dmp

Filesize
39.3MB

Download
memory/2892-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2892-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/2892-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2892-8-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2892-7-0x0000000000400000-0x0000000002B4C000-memory.dmp

Filesize
39.3MB

Download
memory/2892-2-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads