tofsee | 27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc

Analysis

max time kernel
145s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 00:03

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General

Target

JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe
Size

11.6MB
MD5

cecab87eece6151682a5dffe04831bb6
SHA1

e3d6a4c3d0f25f63abf5aa5c906da1b681462714
SHA256

27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc
SHA512

1d39a758f9415b493fee4bc0921bfa627d2939d21386a7cd3b9b8f216d75e5025a5f3ff6414b6bfaf2a8acac817cf42a77005677e99ff10094572318a4933ebd
SSDEEP

3072:8CWKsDRr8015LRYiiU/WCMecR3MTjzTjzTjzTjzTjzTjzTjzTjzTjzTjzTjzTjzj:8Ust8015p/WLD

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

43.231.4.7

lazystax.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\cycpoojq = "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
2768	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\cycpoojq\ImagePath = "C:\\Windows\\SysWOW64\\cycpoojq\\oqlrkxh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2708	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2936	oqlrkxh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 2708	2936	oqlrkxh.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2908	sc.exe
3060	sc.exe
3052	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	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	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oqlrkxh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2436	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	30
PID 2296 wrote to memory of 2436	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	30
PID 2296 wrote to memory of 2436	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	30
PID 2296 wrote to memory of 2436	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	30
PID 2296 wrote to memory of 2228	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	32
PID 2296 wrote to memory of 2228	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	32
PID 2296 wrote to memory of 2228	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	32
PID 2296 wrote to memory of 2228	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	32
PID 2296 wrote to memory of 2908	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	34
PID 2296 wrote to memory of 2908	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	34
PID 2296 wrote to memory of 2908	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	34
PID 2296 wrote to memory of 2908	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	34
PID 2296 wrote to memory of 3060	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	36
PID 2296 wrote to memory of 3060	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	36
PID 2296 wrote to memory of 3060	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	36
PID 2296 wrote to memory of 3060	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	36
PID 2296 wrote to memory of 3052	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	38
PID 2296 wrote to memory of 3052	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	38
PID 2296 wrote to memory of 3052	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	38
PID 2296 wrote to memory of 3052	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	38
PID 2296 wrote to memory of 2768	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	41
PID 2296 wrote to memory of 2768	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	41
PID 2296 wrote to memory of 2768	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	41
PID 2296 wrote to memory of 2768	2296	JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe	41
PID 2936 wrote to memory of 2708	2936	oqlrkxh.exe	43
PID 2936 wrote to memory of 2708	2936	oqlrkxh.exe	43
PID 2936 wrote to memory of 2708	2936	oqlrkxh.exe	43
PID 2936 wrote to memory of 2708	2936	oqlrkxh.exe	43
PID 2936 wrote to memory of 2708	2936	oqlrkxh.exe	43
PID 2936 wrote to memory of 2708	2936	oqlrkxh.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cycpoojq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2436
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\oqlrkxh.exe" C:\Windows\SysWOW64\cycpoojq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2228
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cycpoojq binPath= "C:\Windows\SysWOW64\cycpoojq\oqlrkxh.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2908
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cycpoojq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3060
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cycpoojq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3052
- 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:2768

C:\Windows\SysWOW64\cycpoojq\oqlrkxh.exe
C:\Windows\SysWOW64\cycpoojq\oqlrkxh.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27a880b8a04d59fa74e9ca0c7db57718599f1efca0c593739c12cb1fad9040dc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- 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:2708

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\oqlrkxh.exe

Filesize
10.4MB

MD5
c8e45c1b56bcbfb24eda502373a47e8a

SHA1
48ea2ee77e68a021a0653d5f4946f63a1a9fde51

SHA256
6109e9f92856144446e6e0988bbf685a2824e5a719809ac8a8e5d91a0ab11a2a

SHA512
0dc5522c87a641c4d81da292a8d9a56922cfda74b38c18ea71bb45790a8339e9ec36f54a6b6b883310884289b688f91148ba419978ce747b4e8475adcc67075e

Download Submit
memory/2296-7-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2296-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2296-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2296-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2296-8-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2296-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

Filesize
1024KB

Download
memory/2708-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2936-17-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads