tofsee | 734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de

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
27-12-2024 00:45

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General

Target

JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe
Size

237KB
MD5

3f9580e7c89cc2d22f588f66933a2b55
SHA1

be3c020e42343867e8e1068033ffa86e65639b53
SHA256

734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de
SHA512

c60adc3c1c2667ad40a3e4ad7ee2101151621935081f82a37f6cb8631636c5432fe307d8cabf6e12be6ee7a019e8ed1745b18fb692f5b479c2103000e40a69f1
SSDEEP

6144:+jRN5kfRaTc+ww37vkSjX7ITsq7igavwVf:+dN5kfew+X79

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\lorcdcjy = "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
2884	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\lorcdcjy\ImagePath = "C:\\Windows\\SysWOW64\\lorcdcjy\\cpyvwbna.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3060	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2828	cpyvwbna.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2828 set thread context of 3060	2828	cpyvwbna.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2420	sc.exe
2700	sc.exe
3064	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	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cpyvwbna.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 1692	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	30
PID 2480 wrote to memory of 1692	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	30
PID 2480 wrote to memory of 1692	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	30
PID 2480 wrote to memory of 1692	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	30
PID 2480 wrote to memory of 2464	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	32
PID 2480 wrote to memory of 2464	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	32
PID 2480 wrote to memory of 2464	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	32
PID 2480 wrote to memory of 2464	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	32
PID 2480 wrote to memory of 2420	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	34
PID 2480 wrote to memory of 2420	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	34
PID 2480 wrote to memory of 2420	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	34
PID 2480 wrote to memory of 2420	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	34
PID 2480 wrote to memory of 2700	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	36
PID 2480 wrote to memory of 2700	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	36
PID 2480 wrote to memory of 2700	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	36
PID 2480 wrote to memory of 2700	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	36
PID 2480 wrote to memory of 3064	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	38
PID 2480 wrote to memory of 3064	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	38
PID 2480 wrote to memory of 3064	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	38
PID 2480 wrote to memory of 3064	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	38
PID 2480 wrote to memory of 2884	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	41
PID 2480 wrote to memory of 2884	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	41
PID 2480 wrote to memory of 2884	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	41
PID 2480 wrote to memory of 2884	2480	JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe	41
PID 2828 wrote to memory of 3060	2828	cpyvwbna.exe	43
PID 2828 wrote to memory of 3060	2828	cpyvwbna.exe	43
PID 2828 wrote to memory of 3060	2828	cpyvwbna.exe	43
PID 2828 wrote to memory of 3060	2828	cpyvwbna.exe	43
PID 2828 wrote to memory of 3060	2828	cpyvwbna.exe	43
PID 2828 wrote to memory of 3060	2828	cpyvwbna.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lorcdcjy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1692
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cpyvwbna.exe" C:\Windows\SysWOW64\lorcdcjy\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2464
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lorcdcjy binPath= "C:\Windows\SysWOW64\lorcdcjy\cpyvwbna.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2420
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lorcdcjy "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lorcdcjy
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3064
- 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:2884

C:\Windows\SysWOW64\lorcdcjy\cpyvwbna.exe
C:\Windows\SysWOW64\lorcdcjy\cpyvwbna.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_734eeb6ca8d2f16d680071810ea459f3babc4e510d8fca3667e93574790566de.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2828
- 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:3060

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\cpyvwbna.exe

Filesize
12.5MB

MD5
0f0808d9ff8f06eb3d6f20cfda289c0b

SHA1
120f6c9a73154293ed39aafb891c3bae78f9ef1f

SHA256
4f77cd35b0efa6260ae8751eeb997e0ab98859ab9458441b178ac875b5542cdb

SHA512
41e30784e0eb4ea0a3666d93318ee1742be250c1640ac5f484ed6d5012b7912fa7610af90b0c139bf5fb471dd34f77fb9b1e111492b711f1fe3d862e1ee6b59a

Download Submit
memory/2480-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2480-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2480-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2480-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2480-8-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2480-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2480-6-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2828-16-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3060-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3060-13-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3060-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3060-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/3060-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads