tofsee | f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 02:30

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General

Target

JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe
Size

159KB
MD5

e99963dcc190612b5e494ede0de3f4a8
SHA1

420c50f90d40a751b519b32884c01a0966554177
SHA256

f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c
SHA512

0f0d6788d7e0ba7224bb98f19c3dd11b88d9fb151a6a04a457f41b5f943d8e177ccc603a05ddd5af5bf0e9e26ee389b74431e31c464acb2d344b2595e92a3d37
SSDEEP

3072:g+7ItK82vZxiNi/yKGcCXNybw3kv+CFhyF9:ga82vZxiNiqKlCdynK

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\tgulmnoi = "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
2700	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\tgulmnoi\ImagePath = "C:\\Windows\\SysWOW64\\tgulmnoi\\pyhpdvdm.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3044	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2680	pyhpdvdm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2680 set thread context of 3044	2680	pyhpdvdm.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
1628	sc.exe
2784	sc.exe
2428	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	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	pyhpdvdm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.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	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2776	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	31
PID 2232 wrote to memory of 2776	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	31
PID 2232 wrote to memory of 2776	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	31
PID 2232 wrote to memory of 2776	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	31
PID 2232 wrote to memory of 2304	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	33
PID 2232 wrote to memory of 2304	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	33
PID 2232 wrote to memory of 2304	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	33
PID 2232 wrote to memory of 2304	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	33
PID 2232 wrote to memory of 1628	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	35
PID 2232 wrote to memory of 1628	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	35
PID 2232 wrote to memory of 1628	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	35
PID 2232 wrote to memory of 1628	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	35
PID 2232 wrote to memory of 2784	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	37
PID 2232 wrote to memory of 2784	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	37
PID 2232 wrote to memory of 2784	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	37
PID 2232 wrote to memory of 2784	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	37
PID 2232 wrote to memory of 2428	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	39
PID 2232 wrote to memory of 2428	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	39
PID 2232 wrote to memory of 2428	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	39
PID 2232 wrote to memory of 2428	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	39
PID 2232 wrote to memory of 2700	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	42
PID 2232 wrote to memory of 2700	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	42
PID 2232 wrote to memory of 2700	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	42
PID 2232 wrote to memory of 2700	2232	JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe	42
PID 2680 wrote to memory of 3044	2680	pyhpdvdm.exe	44
PID 2680 wrote to memory of 3044	2680	pyhpdvdm.exe	44
PID 2680 wrote to memory of 3044	2680	pyhpdvdm.exe	44
PID 2680 wrote to memory of 3044	2680	pyhpdvdm.exe	44
PID 2680 wrote to memory of 3044	2680	pyhpdvdm.exe	44
PID 2680 wrote to memory of 3044	2680	pyhpdvdm.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tgulmnoi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pyhpdvdm.exe" C:\Windows\SysWOW64\tgulmnoi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2304
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tgulmnoi binPath= "C:\Windows\SysWOW64\tgulmnoi\pyhpdvdm.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1628
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tgulmnoi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2784
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tgulmnoi
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2428
- 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:2700

C:\Windows\SysWOW64\tgulmnoi\pyhpdvdm.exe
C:\Windows\SysWOW64\tgulmnoi\pyhpdvdm.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f62db2d3722f8e72269ffa71d176a9bc7d73d181a2b8196e562ce21f2cbf8b7c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- 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:3044

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\pyhpdvdm.exe

Filesize
10.6MB

MD5
3f0a5d89d2e9f20ca72e09315ee224d7

SHA1
255c1ae5eedd8893ff56fbabe478a5cae75a1d4f

SHA256
f2237f696939c190358bc35965a37bfea5c59434d39592c15b3376851c75a955

SHA512
d237e2a6fe62128ec896c68980c76c161e7f4bf88538e4cb9a06e6eeb83b00a692750231c9d5b18c7690ea042770162848711c4d15471ad71bec45812e6d90eb

Download Submit
memory/2232-7-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2232-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2232-1-0x0000000000250000-0x0000000000263000-memory.dmp

Filesize
76KB

Download
memory/2232-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2232-8-0x0000000000250000-0x0000000000263000-memory.dmp

Filesize
76KB

Download
memory/2232-0-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2232-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2680-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3044-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3044-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3044-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3044-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3044-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads