tofsee | 63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3

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
24-12-2024 02:43

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General

Target

JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe
Size

160KB
MD5

cdc9a53f7998e1e5e4e77dd418592ad6
SHA1

525c36641a284b1b5488ce8923b5f21a87ba047e
SHA256

63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3
SHA512

e31a58d9f65177ec815f0d91b46a9e854d228cfae14397255165bf248afd70e0b903bb2cb4a89193f0ee6cf8665cba8795a7aa85dfaf57de23c92cf3c5a83dd2
SSDEEP

3072:U754OjNeZE6gjfPaYUf3VF9Gtmrib4R1eWvVw8Bf:4NeZE6gLYVxR1eWdw8B

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\colvumez = "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
2724	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\colvumez\ImagePath = "C:\\Windows\\SysWOW64\\colvumez\\spafdnkh.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2744	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2260	spafdnkh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2260 set thread context of 2744	2260	spafdnkh.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2288	sc.exe
2528	sc.exe
2760	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spafdnkh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.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 1724 wrote to memory of 2176	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	30
PID 1724 wrote to memory of 2176	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	30
PID 1724 wrote to memory of 2176	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	30
PID 1724 wrote to memory of 2176	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	30
PID 1724 wrote to memory of 1812	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	32
PID 1724 wrote to memory of 1812	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	32
PID 1724 wrote to memory of 1812	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	32
PID 1724 wrote to memory of 1812	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	32
PID 1724 wrote to memory of 2288	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	34
PID 1724 wrote to memory of 2288	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	34
PID 1724 wrote to memory of 2288	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	34
PID 1724 wrote to memory of 2288	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	34
PID 1724 wrote to memory of 2528	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	36
PID 1724 wrote to memory of 2528	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	36
PID 1724 wrote to memory of 2528	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	36
PID 1724 wrote to memory of 2528	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	36
PID 1724 wrote to memory of 2760	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	38
PID 1724 wrote to memory of 2760	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	38
PID 1724 wrote to memory of 2760	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	38
PID 1724 wrote to memory of 2760	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	38
PID 1724 wrote to memory of 2724	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	41
PID 1724 wrote to memory of 2724	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	41
PID 1724 wrote to memory of 2724	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	41
PID 1724 wrote to memory of 2724	1724	JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe	41
PID 2260 wrote to memory of 2744	2260	spafdnkh.exe	43
PID 2260 wrote to memory of 2744	2260	spafdnkh.exe	43
PID 2260 wrote to memory of 2744	2260	spafdnkh.exe	43
PID 2260 wrote to memory of 2744	2260	spafdnkh.exe	43
PID 2260 wrote to memory of 2744	2260	spafdnkh.exe	43
PID 2260 wrote to memory of 2744	2260	spafdnkh.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\colvumez\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2176
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\spafdnkh.exe" C:\Windows\SysWOW64\colvumez\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create colvumez binPath= "C:\Windows\SysWOW64\colvumez\spafdnkh.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2288
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description colvumez "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2528
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start colvumez
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2760
- 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:2724

C:\Windows\SysWOW64\colvumez\spafdnkh.exe
C:\Windows\SysWOW64\colvumez\spafdnkh.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63c5c408d762a1b5e4fe0a4d3e0538bb3bb292fe61b986c7b6c9f7f4080cfab3.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2260
- 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:2744

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\spafdnkh.exe

Filesize
11.4MB

MD5
51a7b9d0f9cfbe389cc1d2d913f0e711

SHA1
52acabeb990ba59f90eda0ec32090cb7ddaa46af

SHA256
036e9adccf74c8159484f715b703b76d15f8d74ba8063be80ffff6bc9d819a2b

SHA512
1359e7b6eb5150e7ce010fbc226350ba8f7923f250c6b8dd01e51c81f9f7a15654502328fde1a0b6be729faf519779867d667397d2436c280bc3085a7abd7fbc

Download Submit
memory/1724-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1724-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1724-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1724-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1724-8-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1724-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1724-6-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2260-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2744-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2744-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2744-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2744-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2744-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads