tofsee | 9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 00:32

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General

Target

JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe
Size

286KB
MD5

c8db952495476598e4a9e817faa66bd3
SHA1

bf87819d97967eb84812028e724acccbecc308c6
SHA256

9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3
SHA512

1ba0653a1489761d66042f8732532d028a51dd50734d2188eeb54157cde4498e4ac5322067e75b768176f060f04cc65c4178c3bb06447192133e9be54510f427
SSDEEP

6144:yK8kEQgA+ApiK1eO0CICsClp+TV6T0YeMx:WQbH3/ICsClp+wQY

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\hprfdezd = "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
2768	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\hprfdezd\ImagePath = "C:\\Windows\\SysWOW64\\hprfdezd\\schubwvk.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2620	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2628	schubwvk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2628 set thread context of 2620	2628	schubwvk.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2728	sc.exe
2364	sc.exe
2904	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schubwvk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.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	sc.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2748	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	30
PID 2788 wrote to memory of 2748	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	30
PID 2788 wrote to memory of 2748	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	30
PID 2788 wrote to memory of 2748	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	30
PID 2788 wrote to memory of 2816	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	32
PID 2788 wrote to memory of 2816	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	32
PID 2788 wrote to memory of 2816	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	32
PID 2788 wrote to memory of 2816	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	32
PID 2788 wrote to memory of 2728	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	34
PID 2788 wrote to memory of 2728	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	34
PID 2788 wrote to memory of 2728	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	34
PID 2788 wrote to memory of 2728	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	34
PID 2788 wrote to memory of 2364	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	36
PID 2788 wrote to memory of 2364	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	36
PID 2788 wrote to memory of 2364	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	36
PID 2788 wrote to memory of 2364	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	36
PID 2788 wrote to memory of 2904	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	38
PID 2788 wrote to memory of 2904	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	38
PID 2788 wrote to memory of 2904	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	38
PID 2788 wrote to memory of 2904	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	38
PID 2788 wrote to memory of 2768	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	41
PID 2788 wrote to memory of 2768	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	41
PID 2788 wrote to memory of 2768	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	41
PID 2788 wrote to memory of 2768	2788	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	41
PID 2628 wrote to memory of 2620	2628	schubwvk.exe	43
PID 2628 wrote to memory of 2620	2628	schubwvk.exe	43
PID 2628 wrote to memory of 2620	2628	schubwvk.exe	43
PID 2628 wrote to memory of 2620	2628	schubwvk.exe	43
PID 2628 wrote to memory of 2620	2628	schubwvk.exe	43
PID 2628 wrote to memory of 2620	2628	schubwvk.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hprfdezd\
  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\schubwvk.exe" C:\Windows\SysWOW64\hprfdezd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hprfdezd binPath= "C:\Windows\SysWOW64\hprfdezd\schubwvk.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2728
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hprfdezd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2364
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hprfdezd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2904
- 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:2768

C:\Windows\SysWOW64\hprfdezd\schubwvk.exe
C:\Windows\SysWOW64\hprfdezd\schubwvk.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2628
- 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:2620

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\schubwvk.exe

Filesize
12.0MB

MD5
d7a7d64a853c63c10fa6dc97c9f6631e

SHA1
9a7a7d81e00ad9aac7fde8ad7901cff4ca136d02

SHA256
b276f6ba83645d391e13de058bf10878a101d4c399851e9def7b5059d7db9a15

SHA512
895f07e451a60f1a029f7f2b7780af9844d09f0d90426b568523a06b78aceee20192dc0ddb10be71d7d562bf6b9ea02fb08efcfbca033a833bf824113383180a

Download Submit
memory/2620-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2620-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2620-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2620-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2620-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2628-15-0x0000000000400000-0x0000000002B40000-memory.dmp

Filesize
39.2MB

Download
memory/2788-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2788-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2788-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2788-7-0x0000000000400000-0x0000000002B40000-memory.dmp

Filesize
39.2MB

Download
memory/2788-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2788-1-0x0000000002C50000-0x0000000002D50000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads