tofsee | c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 02:14

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General

Target

JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe
Size

164KB
MD5

d734569001b69222d805738edfc47168
SHA1

f4879b2f7c66698f0debcc545836e8a6d63a7cec
SHA256

c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a
SHA512

a78389a5b03ebed89ac85f2be37bcbcbfd03c02e5fe89e504ad4f9162162a1ad3080a8ff93ad1b94dafae525d18498c17cb2b7842ec533ae0676f4a16b2c0977
SSDEEP

3072:mQOLRBnPGJFSBbG8PnQoa8kZwc46B4OqXXs4zyAPKYCUkO2:lOdBnPGSR/Qoa8pq8s4zysdCUkB

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\fvshprit = "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
2820	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\fvshprit\ImagePath = "C:\\Windows\\SysWOW64\\fvshprit\\urchfpmj.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2868	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2860	urchfpmj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2860 set thread context of 2868	2860	urchfpmj.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2404	sc.exe
2280	sc.exe
2816	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	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	urchfpmj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.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	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2528	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	30
PID 2380 wrote to memory of 2528	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	30
PID 2380 wrote to memory of 2528	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	30
PID 2380 wrote to memory of 2528	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	30
PID 2380 wrote to memory of 1664	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	32
PID 2380 wrote to memory of 1664	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	32
PID 2380 wrote to memory of 1664	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	32
PID 2380 wrote to memory of 1664	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	32
PID 2380 wrote to memory of 2404	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	34
PID 2380 wrote to memory of 2404	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	34
PID 2380 wrote to memory of 2404	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	34
PID 2380 wrote to memory of 2404	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	34
PID 2380 wrote to memory of 2280	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	37
PID 2380 wrote to memory of 2280	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	37
PID 2380 wrote to memory of 2280	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	37
PID 2380 wrote to memory of 2280	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	37
PID 2380 wrote to memory of 2816	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	39
PID 2380 wrote to memory of 2816	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	39
PID 2380 wrote to memory of 2816	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	39
PID 2380 wrote to memory of 2816	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	39
PID 2380 wrote to memory of 2820	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	42
PID 2380 wrote to memory of 2820	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	42
PID 2380 wrote to memory of 2820	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	42
PID 2380 wrote to memory of 2820	2380	JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe	42
PID 2860 wrote to memory of 2868	2860	urchfpmj.exe	44
PID 2860 wrote to memory of 2868	2860	urchfpmj.exe	44
PID 2860 wrote to memory of 2868	2860	urchfpmj.exe	44
PID 2860 wrote to memory of 2868	2860	urchfpmj.exe	44
PID 2860 wrote to memory of 2868	2860	urchfpmj.exe	44
PID 2860 wrote to memory of 2868	2860	urchfpmj.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fvshprit\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2528
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\urchfpmj.exe" C:\Windows\SysWOW64\fvshprit\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1664
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fvshprit binPath= "C:\Windows\SysWOW64\fvshprit\urchfpmj.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2404
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fvshprit "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2280
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fvshprit
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2816
- 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:2820

C:\Windows\SysWOW64\fvshprit\urchfpmj.exe
C:\Windows\SysWOW64\fvshprit\urchfpmj.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c36d92eb67d8771a4fa4f2c7bd8c1b12d0ea8645fab45b3321000a9941e7304a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2860
- 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:2868

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\urchfpmj.exe

Filesize
13.6MB

MD5
777be7d60788720f77f456cb115ce590

SHA1
372d08646836ecb1f9c65adecd473802396a05f8

SHA256
19ce95849b758744479ae3ee8d32e19b7d83ce8270307042023eae8002f8face

SHA512
8425ad90d5ad2868659d25944fda8d52e373c459ef2c19d3264bb2fce4fd77aeb6b8b2f27783f28bdd0719ac0eba46583dcf52b95fb5b82726cbcf5c8eb3e951

Download Submit
memory/2380-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2380-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2380-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2380-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2380-8-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2380-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2380-6-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2860-16-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2868-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2868-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2868-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2868-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2868-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads