tofsee | bfd52b9121ffd76cdc7eeb2cf9fa1f229700e0fd5725634390c7f2c8c572cf70

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-10-2024 13:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe
Size

11.8MB
MD5

6f42522b5beeb70d31d19fdf9854a81a
SHA1

e03a1240c6cb12b9131fb67ba7653afa743e401e
SHA256

bfd52b9121ffd76cdc7eeb2cf9fa1f229700e0fd5725634390c7f2c8c572cf70
SHA512

1f643ea0b547f4bd6a6cc44f0c32d1ecfadd2559d563b15c99a2279a1e68f98ce91b6f0a400330d086c24ae2f8f19a63f4f1bc3366edf412c332cf51ea1b5ed4
SSDEEP

12288:oUR4+0lGrUPDHQahTzrdCcrFy55555555555555555555555555555555555555J:ol+PrmrXrd1p

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

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\gexxifiw = "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
3024	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\gexxifiw\ImagePath = "C:\\Windows\\SysWOW64\\gexxifiw\\ipnydyma.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2708	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	ipnydyma.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2708	2704	ipnydyma.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2900	sc.exe
1508	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	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.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	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	ipnydyma.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2152	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	30
PID 3040 wrote to memory of 2152	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	30
PID 3040 wrote to memory of 2152	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	30
PID 3040 wrote to memory of 2152	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	30
PID 3040 wrote to memory of 2132	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	32
PID 3040 wrote to memory of 2132	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	32
PID 3040 wrote to memory of 2132	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	32
PID 3040 wrote to memory of 2132	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	32
PID 3040 wrote to memory of 2900	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	34
PID 3040 wrote to memory of 2900	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	34
PID 3040 wrote to memory of 2900	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	34
PID 3040 wrote to memory of 2900	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	34
PID 3040 wrote to memory of 1508	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	36
PID 3040 wrote to memory of 1508	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	36
PID 3040 wrote to memory of 1508	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	36
PID 3040 wrote to memory of 1508	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	36
PID 3040 wrote to memory of 2684	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	38
PID 3040 wrote to memory of 2684	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	38
PID 3040 wrote to memory of 2684	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	38
PID 3040 wrote to memory of 2684	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	38
PID 3040 wrote to memory of 3024	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	40
PID 3040 wrote to memory of 3024	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	40
PID 3040 wrote to memory of 3024	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	40
PID 3040 wrote to memory of 3024	3040	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	40
PID 2704 wrote to memory of 2708	2704	ipnydyma.exe	43
PID 2704 wrote to memory of 2708	2704	ipnydyma.exe	43
PID 2704 wrote to memory of 2708	2704	ipnydyma.exe	43
PID 2704 wrote to memory of 2708	2704	ipnydyma.exe	43
PID 2704 wrote to memory of 2708	2704	ipnydyma.exe	43
PID 2704 wrote to memory of 2708	2704	ipnydyma.exe	43

C:\Users\Admin\AppData\Local\Temp\6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gexxifiw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2152
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ipnydyma.exe" C:\Windows\SysWOW64\gexxifiw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2132
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create gexxifiw binPath= "C:\Windows\SysWOW64\gexxifiw\ipnydyma.exe /d\"C:\Users\Admin\AppData\Local\Temp\6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2900
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description gexxifiw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1508
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start gexxifiw
  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:3024

C:\Windows\SysWOW64\gexxifiw\ipnydyma.exe
C:\Windows\SysWOW64\gexxifiw\ipnydyma.exe /d"C:\Users\Admin\AppData\Local\Temp\6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- 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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\ipnydyma.exe

Filesize
13.9MB

MD5
0fe8828cb25438579ca3083f992792ee

SHA1
af1d47bfcb3e06d3004e0bf00bc20aa3fe70e114

SHA256
e8ad388e0c8484eac8a4cb255c1f11c98b65b1fd2543076d6ebfb0c31030c12c

SHA512
e10d1e671da39a58e2c637ad3d000b47ffbf907f9769f096f9fb78d9b00bcc893f87b0822e10eeab7d302911442e4dd687ee1fae0031ff0278a78b7fc96e2b44

Download Submit
memory/2704-16-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2708-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

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

Filesize
84KB

Download
memory/2708-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2708-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3040-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3040-6-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3040-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3040-8-0x00000000008C0000-0x00000000009C0000-memory.dmp

Filesize
1024KB

Download
memory/3040-7-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3040-1-0x00000000008C0000-0x00000000009C0000-memory.dmp

Filesize
1024KB

Download
memory/3040-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads