tofsee | 8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e

Analysis

max time kernel
146s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 20:51

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General

Target

JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe
Size

289KB
MD5

f0b389eddb739dff2910a5fd0ac9e230
SHA1

1f53d0c5cf8d47155288fbb095da8042e3187486
SHA256

8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e
SHA512

a936a339ce4180f330d556eba167f34f415d3fa1526368a142a2bd232e3c73277f810a5d15d23fa2962c52ffcb2a30ee3b4bb4456b8cb579fec9176c7d679cf3
SSDEEP

6144:1OpmAt9iWg1uqJL6BbxOOhxxdeTr/ekI:eji/L6BJzxd6L

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\orrtcqgg = "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
2984	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\orrtcqgg\ImagePath = "C:\\Windows\\SysWOW64\\orrtcqgg\\smiozjbh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2600	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2988	smiozjbh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2988 set thread context of 2600	2988	smiozjbh.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
804	sc.exe
2680	sc.exe
2804	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	smiozjbh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 532	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	31
PID 2328 wrote to memory of 532	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	31
PID 2328 wrote to memory of 532	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	31
PID 2328 wrote to memory of 532	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	31
PID 2328 wrote to memory of 480	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	33
PID 2328 wrote to memory of 480	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	33
PID 2328 wrote to memory of 480	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	33
PID 2328 wrote to memory of 480	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	33
PID 2328 wrote to memory of 804	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	35
PID 2328 wrote to memory of 804	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	35
PID 2328 wrote to memory of 804	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	35
PID 2328 wrote to memory of 804	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	35
PID 2328 wrote to memory of 2680	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	37
PID 2328 wrote to memory of 2680	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	37
PID 2328 wrote to memory of 2680	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	37
PID 2328 wrote to memory of 2680	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	37
PID 2328 wrote to memory of 2804	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	39
PID 2328 wrote to memory of 2804	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	39
PID 2328 wrote to memory of 2804	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	39
PID 2328 wrote to memory of 2804	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	39
PID 2328 wrote to memory of 2984	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	42
PID 2328 wrote to memory of 2984	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	42
PID 2328 wrote to memory of 2984	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	42
PID 2328 wrote to memory of 2984	2328	JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe	42
PID 2988 wrote to memory of 2600	2988	smiozjbh.exe	44
PID 2988 wrote to memory of 2600	2988	smiozjbh.exe	44
PID 2988 wrote to memory of 2600	2988	smiozjbh.exe	44
PID 2988 wrote to memory of 2600	2988	smiozjbh.exe	44
PID 2988 wrote to memory of 2600	2988	smiozjbh.exe	44
PID 2988 wrote to memory of 2600	2988	smiozjbh.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\orrtcqgg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\smiozjbh.exe" C:\Windows\SysWOW64\orrtcqgg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:480
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create orrtcqgg binPath= "C:\Windows\SysWOW64\orrtcqgg\smiozjbh.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description orrtcqgg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2680
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start orrtcqgg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- 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:2984

C:\Windows\SysWOW64\orrtcqgg\smiozjbh.exe
C:\Windows\SysWOW64\orrtcqgg\smiozjbh.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8e4c774250513b7e0b5b1bfdc151ff584a2f92f150d3b9314f71b54cd9e5e85e.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988
- 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:2600

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\smiozjbh.exe

Filesize
14.0MB

MD5
5363a72c1f307255b4e9d3f2defbf7c4

SHA1
16b9a2c862d1738b6c6ab356b8c295e884caf8e4

SHA256
1e00c80f5cfbec09684c7c1e887d692802bf8ae96c4f7c1b9f212ecf17c66ff1

SHA512
1ec481d866eb6d22bd291249669206eb59ea338391982229467182d5453aedeca1e1efb9d20e63609fe3f1da42fb8b37272b67fb1d45b6f379153fb4ade63721

Download Submit
memory/2328-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2328-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2328-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2328-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2328-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2328-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2600-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2600-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2600-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2600-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2988-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads