tofsee | 4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58

Analysis

max time kernel
150s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/12/2024, 20:18

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General

Target

JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe
Size

286KB
MD5

30f334034890bf4e9978e88c3a8d289e
SHA1

c01f11ade66a776369c5e661ade581f5141f7e53
SHA256

4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58
SHA512

b3278c0ffca87a27d3bc80743a80b830cf94d88bee4791e21d1a0d9f31d719593e993ca897e86cb0d2b9262745bad7a5db04feab3ec2ad0de5640131863fc774
SSDEEP

3072:FFVyYf0kx6mLP1mrJpQ6mld1JCHyOzoLOS7XuWVOO5Z8jVw7DWk7MW+CJUBU4wuj:7Smz1UJ50JCHyU0XGUZiVOCYBJh4b

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\lmgcxokj = "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
2908	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\lmgcxokj\ImagePath = "C:\\Windows\\SysWOW64\\lmgcxokj\\afpfty.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2772	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2804	afpfty.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2804 set thread context of 2772	2804	afpfty.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2188	sc.exe
2852	sc.exe
2684	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.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	afpfty.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 3028	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	31
PID 1708 wrote to memory of 3028	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	31
PID 1708 wrote to memory of 3028	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	31
PID 1708 wrote to memory of 3028	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	31
PID 1708 wrote to memory of 2156	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	33
PID 1708 wrote to memory of 2156	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	33
PID 1708 wrote to memory of 2156	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	33
PID 1708 wrote to memory of 2156	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	33
PID 1708 wrote to memory of 2188	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	35
PID 1708 wrote to memory of 2188	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	35
PID 1708 wrote to memory of 2188	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	35
PID 1708 wrote to memory of 2188	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	35
PID 1708 wrote to memory of 2852	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	37
PID 1708 wrote to memory of 2852	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	37
PID 1708 wrote to memory of 2852	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	37
PID 1708 wrote to memory of 2852	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	37
PID 1708 wrote to memory of 2684	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	39
PID 1708 wrote to memory of 2684	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	39
PID 1708 wrote to memory of 2684	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	39
PID 1708 wrote to memory of 2684	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	39
PID 1708 wrote to memory of 2908	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	42
PID 1708 wrote to memory of 2908	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	42
PID 1708 wrote to memory of 2908	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	42
PID 1708 wrote to memory of 2908	1708	JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe	42
PID 2804 wrote to memory of 2772	2804	afpfty.exe	44
PID 2804 wrote to memory of 2772	2804	afpfty.exe	44
PID 2804 wrote to memory of 2772	2804	afpfty.exe	44
PID 2804 wrote to memory of 2772	2804	afpfty.exe	44
PID 2804 wrote to memory of 2772	2804	afpfty.exe	44
PID 2804 wrote to memory of 2772	2804	afpfty.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lmgcxokj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3028
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\afpfty.exe" C:\Windows\SysWOW64\lmgcxokj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2156
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lmgcxokj binPath= "C:\Windows\SysWOW64\lmgcxokj\afpfty.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2188
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lmgcxokj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2852
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lmgcxokj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2684
- 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:2908

C:\Windows\SysWOW64\lmgcxokj\afpfty.exe
C:\Windows\SysWOW64\lmgcxokj\afpfty.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4d9b3eaae7f591289d07eb6df10c78b68ad583b011ece723d4aaa669e19d8e58.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2804
- 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:2772

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\afpfty.exe

Filesize
13.0MB

MD5
04a918c379e8652282fae5454318a7c2

SHA1
523814876def2d7d22de4962a82bd11195abc32d

SHA256
036c92f24fe5d060c8b93eba9c88795b06b360bccb42211c0b0b8386996bc968

SHA512
41040ab173134e86ef92808395c9ee388ebe93eac1580a8d97f53ad0c63507656de766d9213a633f52e0ac5f4126a84674da2f0beacc41f6162d5bdafb85c233

Download Submit
memory/1708-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1708-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1708-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1708-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1708-7-0x0000000000400000-0x0000000002B40000-memory.dmp

Filesize
39.2MB

Download
memory/1708-1-0x0000000002BD0000-0x0000000002CD0000-memory.dmp

Filesize
1024KB

Download
memory/2772-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2772-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2772-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2772-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2804-16-0x0000000000400000-0x0000000002B40000-memory.dmp

Filesize
39.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads