tofsee | fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 05:10

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General

Target

JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe
Size

187KB
MD5

d4e72c3cedb1d55b2e305c35bab67f9b
SHA1

fd954e6d944b39bf3696c3fc358ea97c76165e47
SHA256

fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb
SHA512

86b31e0e3930a427b549951476ae010b2d9632ff2c651798f50c6964a432741189b88a424d53e84ac8ebd0cd26219935ad61c48f5245ba0871be0fdf5205ff1f
SSDEEP

3072:F7IjKaF6/lWkDI90YEM/ToigZzx0cBapZa9uD6Vdyhkp:4KaF6/lWkDtLNi20cBawVf

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\hkacdahe = "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
2888	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\hkacdahe\ImagePath = "C:\\Windows\\SysWOW64\\hkacdahe\\bufvgdwp.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2840	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2808	bufvgdwp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2808 set thread context of 2840	2808	bufvgdwp.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
584	sc.exe
2104	sc.exe
2964	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	bufvgdwp.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2616	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	30
PID 2188 wrote to memory of 2616	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	30
PID 2188 wrote to memory of 2616	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	30
PID 2188 wrote to memory of 2616	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	30
PID 2188 wrote to memory of 2304	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	32
PID 2188 wrote to memory of 2304	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	32
PID 2188 wrote to memory of 2304	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	32
PID 2188 wrote to memory of 2304	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	32
PID 2188 wrote to memory of 2104	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	34
PID 2188 wrote to memory of 2104	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	34
PID 2188 wrote to memory of 2104	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	34
PID 2188 wrote to memory of 2104	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	34
PID 2188 wrote to memory of 2964	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	36
PID 2188 wrote to memory of 2964	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	36
PID 2188 wrote to memory of 2964	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	36
PID 2188 wrote to memory of 2964	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	36
PID 2188 wrote to memory of 584	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	38
PID 2188 wrote to memory of 584	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	38
PID 2188 wrote to memory of 584	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	38
PID 2188 wrote to memory of 584	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	38
PID 2188 wrote to memory of 2888	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	41
PID 2188 wrote to memory of 2888	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	41
PID 2188 wrote to memory of 2888	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	41
PID 2188 wrote to memory of 2888	2188	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	41
PID 2808 wrote to memory of 2840	2808	bufvgdwp.exe	44
PID 2808 wrote to memory of 2840	2808	bufvgdwp.exe	44
PID 2808 wrote to memory of 2840	2808	bufvgdwp.exe	44
PID 2808 wrote to memory of 2840	2808	bufvgdwp.exe	44
PID 2808 wrote to memory of 2840	2808	bufvgdwp.exe	44
PID 2808 wrote to memory of 2840	2808	bufvgdwp.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hkacdahe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2616
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bufvgdwp.exe" C:\Windows\SysWOW64\hkacdahe\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2304
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hkacdahe binPath= "C:\Windows\SysWOW64\hkacdahe\bufvgdwp.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.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 hkacdahe "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2964
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hkacdahe
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:584
- 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:2888

C:\Windows\SysWOW64\hkacdahe\bufvgdwp.exe
C:\Windows\SysWOW64\hkacdahe\bufvgdwp.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- 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:2840

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\bufvgdwp.exe

Filesize
14.6MB

MD5
1b2b11a60dea90c937fd89b1c7238ec0

SHA1
02c5ce73664ae4c09d21fc120de64f60d1161386

SHA256
afeefd0346e40f1bd7845f5baffd99df72d0fc32e7f8378a927999884378f103

SHA512
cc18011ca24ae5176bb509d8481edbff42ab9291a71fe86fda9f49fef3d1046539235e15e9af417a378c9a075ab0e9bea9048fe751105474c6f8268f0b0aa1a1

Download Submit
memory/2188-7-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2188-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2188-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2188-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2188-8-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2188-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2188-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2808-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2840-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2840-13-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2840-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2840-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2840-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads