tofsee | feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 14:46

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General

Target

JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe
Size

165KB
MD5

e7263f05e56336fec5a7f4babddef26f
SHA1

92ca7e6f6ee496b966f3539f4fcca3f46c5ff208
SHA256

feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5
SHA512

3c8da0e630db031f49415f02c46b876d4587214e0fd20a15017946cd2eeaf5131cb626fcc295e1caf31abab117f400934da4bf68f0071da8daabee934c72ef6f
SSDEEP

3072:/De/Z5VptcYOMkNhl7oT7grwKXsVzfBus46D2:S/ZrptcYObbsVzf8sna

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\ppkoauzf = "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
2708	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\ppkoauzf\ImagePath = "C:\\Windows\\SysWOW64\\ppkoauzf\\zsdtebun.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2856	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2968	zsdtebun.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2968 set thread context of 2856	2968	zsdtebun.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2464	sc.exe
2424	sc.exe
2800	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.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	zsdtebun.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 1732	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	30
PID 3004 wrote to memory of 1732	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	30
PID 3004 wrote to memory of 1732	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	30
PID 3004 wrote to memory of 1732	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	30
PID 3004 wrote to memory of 2112	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	32
PID 3004 wrote to memory of 2112	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	32
PID 3004 wrote to memory of 2112	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	32
PID 3004 wrote to memory of 2112	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	32
PID 3004 wrote to memory of 2464	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	34
PID 3004 wrote to memory of 2464	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	34
PID 3004 wrote to memory of 2464	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	34
PID 3004 wrote to memory of 2464	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	34
PID 3004 wrote to memory of 2424	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	36
PID 3004 wrote to memory of 2424	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	36
PID 3004 wrote to memory of 2424	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	36
PID 3004 wrote to memory of 2424	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	36
PID 3004 wrote to memory of 2800	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	38
PID 3004 wrote to memory of 2800	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	38
PID 3004 wrote to memory of 2800	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	38
PID 3004 wrote to memory of 2800	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	38
PID 2968 wrote to memory of 2856	2968	zsdtebun.exe	41
PID 2968 wrote to memory of 2856	2968	zsdtebun.exe	41
PID 2968 wrote to memory of 2856	2968	zsdtebun.exe	41
PID 2968 wrote to memory of 2856	2968	zsdtebun.exe	41
PID 2968 wrote to memory of 2856	2968	zsdtebun.exe	41
PID 2968 wrote to memory of 2856	2968	zsdtebun.exe	41
PID 3004 wrote to memory of 2708	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	42
PID 3004 wrote to memory of 2708	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	42
PID 3004 wrote to memory of 2708	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	42
PID 3004 wrote to memory of 2708	3004	JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ppkoauzf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zsdtebun.exe" C:\Windows\SysWOW64\ppkoauzf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2112
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ppkoauzf binPath= "C:\Windows\SysWOW64\ppkoauzf\zsdtebun.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2464
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ppkoauzf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2424
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ppkoauzf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2800
- 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:2708

C:\Windows\SysWOW64\ppkoauzf\zsdtebun.exe
C:\Windows\SysWOW64\ppkoauzf\zsdtebun.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_feab054c96a27cc00b2fc254de1085abad802cda81b9c98b80e0538ad99888e5.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2968
- 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:2856

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\zsdtebun.exe

Filesize
11.2MB

MD5
ec50de35474727363ba8583671a14828

SHA1
0e3a871e923d1a978ced6359c9b6fc6ad8936dcd

SHA256
990cb96cf7b4adb2a3d3d5fac4a4afbeafb445f5efeff5bf162b8fce42a1dae7

SHA512
d305dcae654a945b6354589719b35d97adf809a34aaa17a70b43fba450d79029beaad1cf202aac59c332ae717b0b2d64470a91fc5f7b3b3aadf60f463aab21b0

Download Submit
memory/2856-7-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2856-9-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2856-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2856-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2968-10-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3004-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3004-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/3004-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/3004-12-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3004-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3004-14-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/3004-13-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads