tofsee | d34f204c379a0efa108374e436319aa5910bf896d8ee1cb4bdc4032df5e147eb

Analysis

max time kernel
146s
max time network
145s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 14:15

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General

Target

af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe
Size

15.0MB
MD5

af8b6df755cc465a0ccb5772c272d50d
SHA1

66c47d68fa9e0134ac65b36c72a3c440adb89cba
SHA256

d34f204c379a0efa108374e436319aa5910bf896d8ee1cb4bdc4032df5e147eb
SHA512

ebf2da3cfb78bddaff3cc5f578c45f4c9d57fbedd85618034d9700ffeb1e35971bb5a26fdca34f2da5eac5b382314f6fb8fe92ef9af40b19f4e20d8c3bc7cbf7
SSDEEP

12288:rUR4+0lGrUPDHQahTzrdCcrFy55555555555555555555555555555555555555p:rl+PrmrXrd1p

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

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\tjoflexi = "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
2948	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\tjoflexi\ImagePath = "C:\\Windows\\SysWOW64\\tjoflexi\\uscaaqzp.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2680	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2784	uscaaqzp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2784 set thread context of 2680	2784	uscaaqzp.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2644	sc.exe
2796	sc.exe
2656	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	uscaaqzp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 2060	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	31
PID 1904 wrote to memory of 2060	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	31
PID 1904 wrote to memory of 2060	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	31
PID 1904 wrote to memory of 2060	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	31
PID 1904 wrote to memory of 2136	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	33
PID 1904 wrote to memory of 2136	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	33
PID 1904 wrote to memory of 2136	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	33
PID 1904 wrote to memory of 2136	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	33
PID 1904 wrote to memory of 2644	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	35
PID 1904 wrote to memory of 2644	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	35
PID 1904 wrote to memory of 2644	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	35
PID 1904 wrote to memory of 2644	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	35
PID 1904 wrote to memory of 2796	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	37
PID 1904 wrote to memory of 2796	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	37
PID 1904 wrote to memory of 2796	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	37
PID 1904 wrote to memory of 2796	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	37
PID 1904 wrote to memory of 2656	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	39
PID 1904 wrote to memory of 2656	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	39
PID 1904 wrote to memory of 2656	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	39
PID 1904 wrote to memory of 2656	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	39
PID 1904 wrote to memory of 2948	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	42
PID 1904 wrote to memory of 2948	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	42
PID 1904 wrote to memory of 2948	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	42
PID 1904 wrote to memory of 2948	1904	af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe	42
PID 2784 wrote to memory of 2680	2784	uscaaqzp.exe	44
PID 2784 wrote to memory of 2680	2784	uscaaqzp.exe	44
PID 2784 wrote to memory of 2680	2784	uscaaqzp.exe	44
PID 2784 wrote to memory of 2680	2784	uscaaqzp.exe	44
PID 2784 wrote to memory of 2680	2784	uscaaqzp.exe	44
PID 2784 wrote to memory of 2680	2784	uscaaqzp.exe	44

C:\Users\Admin\AppData\Local\Temp\af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tjoflexi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2060
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uscaaqzp.exe" C:\Windows\SysWOW64\tjoflexi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2136
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tjoflexi binPath= "C:\Windows\SysWOW64\tjoflexi\uscaaqzp.exe /d\"C:\Users\Admin\AppData\Local\Temp\af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2644
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tjoflexi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2796
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tjoflexi
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2656
- 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:2948

C:\Windows\SysWOW64\tjoflexi\uscaaqzp.exe
C:\Windows\SysWOW64\tjoflexi\uscaaqzp.exe /d"C:\Users\Admin\AppData\Local\Temp\af8b6df755cc465a0ccb5772c272d50d_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2784
- 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:2680

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\uscaaqzp.exe

Filesize
11.0MB

MD5
4544916580c7139a67658759645fbbbd

SHA1
181f336f108fcc4f3077152ed683a4e7b0090be1

SHA256
8da76141561e31e8d31b6a4e5c5bb223468ec581024e8d5ee25afed37bdeb018

SHA512
825d64d898d7fec03105beb6ffc745e643e8ac2f317488164d2d8920877be103be60c3366780f1ec1f46bf75b934b0c82bbbb3be145eed7b9109c4849996e763

Download Submit
memory/1904-8-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1904-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1904-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1904-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1904-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1904-1-0x00000000008C0000-0x00000000009C0000-memory.dmp

Filesize
1024KB

Download
memory/2680-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-16-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads