tofsee | b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 23:33

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General

Target

JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe
Size

211KB
MD5

9665aea33b898abe45a17f0a37ddada2
SHA1

a3fcb62d1007a17387827d5562c08defa2c2768d
SHA256

b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959
SHA512

6fd6d11effc468b4c25cb0dac504057ebb59219a51ff3dd6cc87ac599111b266f11f3cb3a736b4fa1afde2a71e4c9b6700914631b2a445b5e0a31b1418c1f524
SSDEEP

3072:3prJOGCT28OJwIvGvt1LpqC6mcLsRuR5WHeHruAZPwOxAV6fjMfvNZhgC:3prsoJwIvaLpqCIAKWHnALNjMfv5

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\slncikto = "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
2840	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\slncikto\ImagePath = "C:\\Windows\\SysWOW64\\slncikto\\htfnnynv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2920	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2780	htfnnynv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2780 set thread context of 2920	2780	htfnnynv.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2560	sc.exe
2484	sc.exe
2148	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	netsh.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	htfnnynv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 352	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	30
PID 2564 wrote to memory of 352	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	30
PID 2564 wrote to memory of 352	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	30
PID 2564 wrote to memory of 352	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	30
PID 2564 wrote to memory of 1004	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	32
PID 2564 wrote to memory of 1004	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	32
PID 2564 wrote to memory of 1004	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	32
PID 2564 wrote to memory of 1004	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	32
PID 2564 wrote to memory of 2560	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	34
PID 2564 wrote to memory of 2560	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	34
PID 2564 wrote to memory of 2560	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	34
PID 2564 wrote to memory of 2560	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	34
PID 2564 wrote to memory of 2484	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	36
PID 2564 wrote to memory of 2484	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	36
PID 2564 wrote to memory of 2484	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	36
PID 2564 wrote to memory of 2484	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	36
PID 2564 wrote to memory of 2148	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	38
PID 2564 wrote to memory of 2148	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	38
PID 2564 wrote to memory of 2148	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	38
PID 2564 wrote to memory of 2148	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	38
PID 2564 wrote to memory of 2840	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	41
PID 2564 wrote to memory of 2840	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	41
PID 2564 wrote to memory of 2840	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	41
PID 2564 wrote to memory of 2840	2564	JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe	41
PID 2780 wrote to memory of 2920	2780	htfnnynv.exe	43
PID 2780 wrote to memory of 2920	2780	htfnnynv.exe	43
PID 2780 wrote to memory of 2920	2780	htfnnynv.exe	43
PID 2780 wrote to memory of 2920	2780	htfnnynv.exe	43
PID 2780 wrote to memory of 2920	2780	htfnnynv.exe	43
PID 2780 wrote to memory of 2920	2780	htfnnynv.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\slncikto\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:352
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\htfnnynv.exe" C:\Windows\SysWOW64\slncikto\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1004
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create slncikto binPath= "C:\Windows\SysWOW64\slncikto\htfnnynv.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description slncikto "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2484
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start slncikto
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2148
- 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:2840

C:\Windows\SysWOW64\slncikto\htfnnynv.exe
C:\Windows\SysWOW64\slncikto\htfnnynv.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b795f0e271a1bd7fc188917caa65ea765c83ffa1ce5dd48d2a5ee3c036562959.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- 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:2920

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\htfnnynv.exe

Filesize
11.6MB

MD5
ffb3a6caa4a3b68eeb73c6d8331b6753

SHA1
4d83bbbb5098da481f8fba36a3c20d828998b2ce

SHA256
86318220879a6ef0f6834363143a3875af8082ec05e24d8bee45cfd13c42d54e

SHA512
bd9037b47aa02ee84543a1e37bfb12a4236f157d4c7c1ecbf3925980561ef0da79fa85143e3be0d73adb136603538c5eb15ce762177c8325a2b2af0be62063f0

Download Submit
memory/2564-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2564-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2564-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/2564-8-0x0000000000400000-0x0000000002B74000-memory.dmp

Filesize
39.5MB

Download
memory/2564-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2564-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2780-17-0x0000000000400000-0x0000000002B74000-memory.dmp

Filesize
39.5MB

Download
memory/2920-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2920-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2920-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2920-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2920-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads