tofsee | 8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e

Analysis

max time kernel
148s
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, 17:27

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General

Target

JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe
Size

159KB
MD5

60581cefc3ebdcfba7ab65039c713789
SHA1

579d83b65618226c00de84c4b767369cc80db1e8
SHA256

8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e
SHA512

a4756078c21afaf68e836bc66b21889ecf6c19530e16e14fd919cef3e550075ad34e5a8f43b306a351c79d97ce7fc9e5a47d38b3f488cf7298124ac940634e1f
SSDEEP

3072:Z47FGXpybBYZZhvV97DxqSeFdywcIWnv3/35ugf8FtKZ7Ev2:ZHpybBYZZhb7dqSqdNBWn3p84m

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\hooexyhv = "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
2724	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\hooexyhv\ImagePath = "C:\\Windows\\SysWOW64\\hooexyhv\\hudabgsf.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2820	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2688	hudabgsf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2688 set thread context of 2820	2688	hudabgsf.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2392	sc.exe
2680	sc.exe
2824	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	hudabgsf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2088	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	31
PID 2616 wrote to memory of 2088	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	31
PID 2616 wrote to memory of 2088	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	31
PID 2616 wrote to memory of 2088	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	31
PID 2616 wrote to memory of 2440	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	33
PID 2616 wrote to memory of 2440	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	33
PID 2616 wrote to memory of 2440	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	33
PID 2616 wrote to memory of 2440	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	33
PID 2616 wrote to memory of 2392	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	35
PID 2616 wrote to memory of 2392	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	35
PID 2616 wrote to memory of 2392	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	35
PID 2616 wrote to memory of 2392	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	35
PID 2616 wrote to memory of 2680	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	37
PID 2616 wrote to memory of 2680	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	37
PID 2616 wrote to memory of 2680	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	37
PID 2616 wrote to memory of 2680	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	37
PID 2616 wrote to memory of 2824	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	39
PID 2616 wrote to memory of 2824	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	39
PID 2616 wrote to memory of 2824	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	39
PID 2616 wrote to memory of 2824	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	39
PID 2688 wrote to memory of 2820	2688	hudabgsf.exe	42
PID 2688 wrote to memory of 2820	2688	hudabgsf.exe	42
PID 2688 wrote to memory of 2820	2688	hudabgsf.exe	42
PID 2688 wrote to memory of 2820	2688	hudabgsf.exe	42
PID 2688 wrote to memory of 2820	2688	hudabgsf.exe	42
PID 2688 wrote to memory of 2820	2688	hudabgsf.exe	42
PID 2616 wrote to memory of 2724	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	43
PID 2616 wrote to memory of 2724	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	43
PID 2616 wrote to memory of 2724	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	43
PID 2616 wrote to memory of 2724	2616	JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hooexyhv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2088
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hudabgsf.exe" C:\Windows\SysWOW64\hooexyhv\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2440
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hooexyhv binPath= "C:\Windows\SysWOW64\hooexyhv\hudabgsf.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2392
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hooexyhv "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2680
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hooexyhv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2824
- 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:2724

C:\Windows\SysWOW64\hooexyhv\hudabgsf.exe
C:\Windows\SysWOW64\hooexyhv\hudabgsf.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8745eebbbf3398803f2d705627196b59071b4d327af4c98d461983d5427e6a7e.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- 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:2820

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\hudabgsf.exe

Filesize
14.5MB

MD5
1a486743a3e98115b011838358baa38f

SHA1
5ea0ba99b63e8dc7f8a7ada0c9a6208a1beafd3a

SHA256
175ae644c15a1bf19ae79f78fea1ea87a3609ae259cfdec7a244157f233b23b4

SHA512
591ad55a7f2b98beb56612752dda0de024e03ca684233929e7c629aa31cb42d3e612b184d8605116ab7713f869ffc06998c9f80f3942cc583b8cf7fa2eef3ab9

Download Submit
memory/2616-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2616-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2616-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2616-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2616-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2616-14-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2616-13-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2688-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2820-9-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2820-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2820-6-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2820-16-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2820-17-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads