tofsee | 6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708

Analysis

max time kernel
149s
max time network
147s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 19:20

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General

Target

JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe
Size

138KB
MD5

cdb1e2cb6739f193391b6cb9b1ca1041
SHA1

c125ffa0af699f6b761a787a4dbc653fd8a26c9d
SHA256

6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708
SHA512

e285535a2a351ae98d6f75d7277a4521f353a6d8f3450b4ba1c86032db9b1e604cf9e3b24293a3c30b40563a15b494c943c24783b06cdbba4ec5d75eb7dc5912
SSDEEP

1536:gB0hlXF9aPJf1cNZXQdRUIE6xEhGT2awEkLaBZhXRqk5ksw+CEZ+UONiU+g0n:aAUKHAxAhCaEkLALBqk55PdZ7giZ

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\pqcmhwic = "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\pqcmhwic\ImagePath = "C:\\Windows\\SysWOW64\\pqcmhwic\\xaytnueo.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1712	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2672	xaytnueo.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 1712	2672	xaytnueo.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2924	sc.exe
2852	sc.exe
2112	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_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe
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	xaytnueo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 2932	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	30
PID 2800 wrote to memory of 2932	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	30
PID 2800 wrote to memory of 2932	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	30
PID 2800 wrote to memory of 2932	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	30
PID 2800 wrote to memory of 2140	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	32
PID 2800 wrote to memory of 2140	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	32
PID 2800 wrote to memory of 2140	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	32
PID 2800 wrote to memory of 2140	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	32
PID 2800 wrote to memory of 2924	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	34
PID 2800 wrote to memory of 2924	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	34
PID 2800 wrote to memory of 2924	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	34
PID 2800 wrote to memory of 2924	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	34
PID 2800 wrote to memory of 2852	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	36
PID 2800 wrote to memory of 2852	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	36
PID 2800 wrote to memory of 2852	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	36
PID 2800 wrote to memory of 2852	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	36
PID 2800 wrote to memory of 2112	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	38
PID 2800 wrote to memory of 2112	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	38
PID 2800 wrote to memory of 2112	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	38
PID 2800 wrote to memory of 2112	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	38
PID 2800 wrote to memory of 2724	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	41
PID 2800 wrote to memory of 2724	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	41
PID 2800 wrote to memory of 2724	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	41
PID 2800 wrote to memory of 2724	2800	JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe	41
PID 2672 wrote to memory of 1712	2672	xaytnueo.exe	43
PID 2672 wrote to memory of 1712	2672	xaytnueo.exe	43
PID 2672 wrote to memory of 1712	2672	xaytnueo.exe	43
PID 2672 wrote to memory of 1712	2672	xaytnueo.exe	43
PID 2672 wrote to memory of 1712	2672	xaytnueo.exe	43
PID 2672 wrote to memory of 1712	2672	xaytnueo.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2800
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pqcmhwic\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2932
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xaytnueo.exe" C:\Windows\SysWOW64\pqcmhwic\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2140
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create pqcmhwic binPath= "C:\Windows\SysWOW64\pqcmhwic\xaytnueo.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2924
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description pqcmhwic "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 pqcmhwic
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2112
- 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\pqcmhwic\xaytnueo.exe
C:\Windows\SysWOW64\pqcmhwic\xaytnueo.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a56b41ceccdc929ee57b32c75f555ccab69deb4e46dc37abf6650d477a96708.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2672
- 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:1712

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\xaytnueo.exe

Filesize
13.6MB

MD5
c6bec1ca865c4a2c2fdee82a3361f343

SHA1
0ab1039d93d574af5ba95804927c5d6e7da51ebe

SHA256
ab681191987969b327cdc00a5b7d4f0d8cead6b7a80a57da80c34b2c77a5b9cb

SHA512
cc8a21c1876e72d6f0410305f4eaf2e9872c98be784ac972a831d5c0ca6ceb8685a1ab5f405746dd1dbc4203a35f5ba062cf0dee60e0d8409237e8de9cae5b48

Download Submit
memory/1712-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1712-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1712-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1712-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1712-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2672-16-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2800-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2800-2-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/2800-8-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2800-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2800-9-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download
memory/2800-1-0x0000000000530000-0x0000000000630000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads