tofsee | 621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02

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
29-12-2024 11:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe
Size

220KB
MD5

5c43af858cebe82b1ad78c645061cc44
SHA1

5babb64955d52797a58604a9aef14d689e90d35f
SHA256

621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02
SHA512

2d2c7e9483b0b13dd8cabbbc5d1218fe0acdac78f1c676c8fc302e91c3d11cf44ea5f2c3ea53bbfa125e60769f1c99b0da9e27fc05c7f2a743116915aec39c60
SSDEEP

3072:IUlCE+24yRwiP95GXu0bJ/rWrxpzbgqru+sxkgaBChmx/LI03qbN:ZV+Tybjijuzbgwu7igaQk

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\reheurhg = "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
2360	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\reheurhg\ImagePath = "C:\\Windows\\SysWOW64\\reheurhg\\joyoch.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2808	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2752	joyoch.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2752 set thread context of 2808	2752	joyoch.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
492	sc.exe
2868	sc.exe
2884	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	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.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
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	joyoch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2380	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	30
PID 2400 wrote to memory of 2380	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	30
PID 2400 wrote to memory of 2380	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	30
PID 2400 wrote to memory of 2380	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	30
PID 2400 wrote to memory of 2908	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	32
PID 2400 wrote to memory of 2908	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	32
PID 2400 wrote to memory of 2908	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	32
PID 2400 wrote to memory of 2908	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	32
PID 2400 wrote to memory of 492	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	34
PID 2400 wrote to memory of 492	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	34
PID 2400 wrote to memory of 492	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	34
PID 2400 wrote to memory of 492	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	34
PID 2400 wrote to memory of 2868	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	36
PID 2400 wrote to memory of 2868	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	36
PID 2400 wrote to memory of 2868	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	36
PID 2400 wrote to memory of 2868	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	36
PID 2400 wrote to memory of 2884	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	38
PID 2400 wrote to memory of 2884	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	38
PID 2400 wrote to memory of 2884	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	38
PID 2400 wrote to memory of 2884	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	38
PID 2400 wrote to memory of 2360	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	41
PID 2400 wrote to memory of 2360	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	41
PID 2400 wrote to memory of 2360	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	41
PID 2400 wrote to memory of 2360	2400	JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe	41
PID 2752 wrote to memory of 2808	2752	joyoch.exe	43
PID 2752 wrote to memory of 2808	2752	joyoch.exe	43
PID 2752 wrote to memory of 2808	2752	joyoch.exe	43
PID 2752 wrote to memory of 2808	2752	joyoch.exe	43
PID 2752 wrote to memory of 2808	2752	joyoch.exe	43
PID 2752 wrote to memory of 2808	2752	joyoch.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\reheurhg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\joyoch.exe" C:\Windows\SysWOW64\reheurhg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2908
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create reheurhg binPath= "C:\Windows\SysWOW64\reheurhg\joyoch.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:492
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description reheurhg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2868
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start reheurhg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2884
- 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:2360

C:\Windows\SysWOW64\reheurhg\joyoch.exe
C:\Windows\SysWOW64\reheurhg\joyoch.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_621af9ea3a44e4fab71237e384a0ca3808339d2d566a1b0144af74fe9d48bd02.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752
- 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:2808

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\joyoch.exe

Filesize
12.7MB

MD5
df2ccbd756901ebe0e831e8cabc92a04

SHA1
7b9f1f301be5c5a9643a64b994f28a367a1f690a

SHA256
981c1674f1e52792bb49c2ec1b78caebc6f1a34e2b4342c9c804142eddcfb9db

SHA512
370901014457256945b26e35a1dd37d437ba93beca06c1bf0e2d1f2661a57136c4aeb6c993a2580ec54b08dd27de26eab12312c555a56ef5b8a9c30011272250

Download Submit
memory/2400-8-0x0000000000260000-0x0000000000273000-memory.dmp

Filesize
76KB

Download
memory/2400-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2400-1-0x0000000000260000-0x0000000000273000-memory.dmp

Filesize
76KB

Download
memory/2400-6-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2400-7-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2400-0-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2400-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2752-16-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2808-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2808-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2808-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2808-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2808-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads