tofsee | fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41

Analysis

max time kernel
146s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/12/2024, 21:27

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General

Target

JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe
Size

287KB
MD5

dd7144f014d58bf5de980c0476d61dd3
SHA1

c6d2f048115642dff1dbc44d23f8474151120457
SHA256

fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41
SHA512

d39aaaa2f8f478c3c9d16f0600d28f4b593f2efceb597656285a26d8332ffe1babfff2a4704a1ea9839ceb88ec821f5ff9fdaee259668e2bc7a3b6c6c5538789
SSDEEP

3072:mJZLEYc2tTaOjoQkzlzBFsfTnu0ay/MCYbCD+1G4mkl0zXi9qZwWLnrYKopn1m5J:m/LEsaOjoflzbwTRhD6fljqyWDsR

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\gjjqwtex = "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
3008	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\gjjqwtex\ImagePath = "C:\\Windows\\SysWOW64\\gjjqwtex\\uxqywygq.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2772	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2680	uxqywygq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2680 set thread context of 2772	2680	uxqywygq.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2464	sc.exe
2168	sc.exe
2412	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_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.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	uxqywygq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 3052	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	30
PID 1812 wrote to memory of 3052	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	30
PID 1812 wrote to memory of 3052	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	30
PID 1812 wrote to memory of 3052	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	30
PID 1812 wrote to memory of 2020	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	32
PID 1812 wrote to memory of 2020	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	32
PID 1812 wrote to memory of 2020	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	32
PID 1812 wrote to memory of 2020	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	32
PID 1812 wrote to memory of 2464	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	34
PID 1812 wrote to memory of 2464	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	34
PID 1812 wrote to memory of 2464	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	34
PID 1812 wrote to memory of 2464	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	34
PID 1812 wrote to memory of 2168	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	37
PID 1812 wrote to memory of 2168	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	37
PID 1812 wrote to memory of 2168	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	37
PID 1812 wrote to memory of 2168	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	37
PID 1812 wrote to memory of 2412	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	39
PID 1812 wrote to memory of 2412	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	39
PID 1812 wrote to memory of 2412	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	39
PID 1812 wrote to memory of 2412	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	39
PID 1812 wrote to memory of 3008	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	42
PID 1812 wrote to memory of 3008	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	42
PID 1812 wrote to memory of 3008	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	42
PID 1812 wrote to memory of 3008	1812	JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe	42
PID 2680 wrote to memory of 2772	2680	uxqywygq.exe	44
PID 2680 wrote to memory of 2772	2680	uxqywygq.exe	44
PID 2680 wrote to memory of 2772	2680	uxqywygq.exe	44
PID 2680 wrote to memory of 2772	2680	uxqywygq.exe	44
PID 2680 wrote to memory of 2772	2680	uxqywygq.exe	44
PID 2680 wrote to memory of 2772	2680	uxqywygq.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gjjqwtex\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3052
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uxqywygq.exe" C:\Windows\SysWOW64\gjjqwtex\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2020
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gjjqwtex binPath= "C:\Windows\SysWOW64\gjjqwtex\uxqywygq.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2464
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gjjqwtex "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2168
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gjjqwtex
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2412
- 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:3008

C:\Windows\SysWOW64\gjjqwtex\uxqywygq.exe
C:\Windows\SysWOW64\gjjqwtex\uxqywygq.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fd14ab99b55fcea1192cc29f821fb3a98ca553e337501e63a7cb60d345747e41.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- 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\uxqywygq.exe

Filesize
12.9MB

MD5
b0c35756d030d465ec523b62563ffbac

SHA1
87808981d537f2ed559b7cf0d46192309c977f75

SHA256
a63a87da842159c33762875fc7e44579114631b551f74407077a0adc500428ae

SHA512
8fb442c692d25d2d9d7f3f56f2ba751f15650de30c28150a8793fddc0d1c1f99b7df5da93ed1479c95d8dad77f62b7036575c64a8903bfb282c00a6b7352349d

Download Submit
memory/1812-2-0x0000000000400000-0x0000000002B91000-memory.dmp

Filesize
39.6MB

Download
memory/1812-3-0x0000000000400000-0x0000000002B91000-memory.dmp

Filesize
39.6MB

Download
memory/1812-8-0x0000000000400000-0x0000000002B91000-memory.dmp

Filesize
39.6MB

Download
memory/2680-14-0x0000000000400000-0x0000000002B91000-memory.dmp

Filesize
39.6MB

Download
memory/2772-12-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2772-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-9-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2772-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2772-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads