tofsee | a8180497b3670425ac073f544fa2bb502f94e064238ead126a73bd0b3683af9b

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
24-11-2024 00:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe
Size

11.1MB
MD5

917c560ccf9f6e6c0f05e0e9229edeae
SHA1

3bf4053d4738ef001bad8159fe0038ec86b6b8be
SHA256

a8180497b3670425ac073f544fa2bb502f94e064238ead126a73bd0b3683af9b
SHA512

f2e058b532775ef9ca8a60d1c8fa8be5fdb905b8cb56e573d5198289d0133a7623a980e9597e14e0ba20ec713c26f9c9c6bf31c64d8df04cc8f50165a833c03b
SSDEEP

196608:BNIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIX:7IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIw

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\yzacgwgq = "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
2824	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\yzacgwgq\ImagePath = "C:\\Windows\\SysWOW64\\yzacgwgq\\vlllarxp.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2776	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2764	vlllarxp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2776	2764	vlllarxp.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2156	sc.exe
2436	sc.exe
2720	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	917c560ccf9f6e6c0f05e0e9229edeae_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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vlllarxp.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 1660	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	31
PID 2392 wrote to memory of 1660	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	31
PID 2392 wrote to memory of 1660	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	31
PID 2392 wrote to memory of 1660	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	31
PID 2392 wrote to memory of 2052	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	33
PID 2392 wrote to memory of 2052	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	33
PID 2392 wrote to memory of 2052	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	33
PID 2392 wrote to memory of 2052	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	33
PID 2392 wrote to memory of 2156	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	35
PID 2392 wrote to memory of 2156	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	35
PID 2392 wrote to memory of 2156	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	35
PID 2392 wrote to memory of 2156	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	35
PID 2392 wrote to memory of 2436	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	37
PID 2392 wrote to memory of 2436	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	37
PID 2392 wrote to memory of 2436	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	37
PID 2392 wrote to memory of 2436	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	37
PID 2392 wrote to memory of 2720	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	39
PID 2392 wrote to memory of 2720	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	39
PID 2392 wrote to memory of 2720	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	39
PID 2392 wrote to memory of 2720	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	39
PID 2392 wrote to memory of 2824	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	42
PID 2392 wrote to memory of 2824	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	42
PID 2392 wrote to memory of 2824	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	42
PID 2392 wrote to memory of 2824	2392	917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe	42
PID 2764 wrote to memory of 2776	2764	vlllarxp.exe	44
PID 2764 wrote to memory of 2776	2764	vlllarxp.exe	44
PID 2764 wrote to memory of 2776	2764	vlllarxp.exe	44
PID 2764 wrote to memory of 2776	2764	vlllarxp.exe	44
PID 2764 wrote to memory of 2776	2764	vlllarxp.exe	44
PID 2764 wrote to memory of 2776	2764	vlllarxp.exe	44

C:\Users\Admin\AppData\Local\Temp\917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\yzacgwgq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1660
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vlllarxp.exe" C:\Windows\SysWOW64\yzacgwgq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2052
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create yzacgwgq binPath= "C:\Windows\SysWOW64\yzacgwgq\vlllarxp.exe /d\"C:\Users\Admin\AppData\Local\Temp\917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2156
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description yzacgwgq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2436
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start yzacgwgq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2720
- 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:2824

C:\Windows\SysWOW64\yzacgwgq\vlllarxp.exe
C:\Windows\SysWOW64\yzacgwgq\vlllarxp.exe /d"C:\Users\Admin\AppData\Local\Temp\917c560ccf9f6e6c0f05e0e9229edeae_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764
- 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:2776

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\vlllarxp.exe

Filesize
11.9MB

MD5
231c0e8227b7ff0089e26ae3a5dbbd58

SHA1
f84401c651f47076e983289e0b7e42763d2a42d2

SHA256
7c62a5cb2264a1b3d8d77daa06a4e0ee924464d227d7598c0364e779c8120e03

SHA512
eeb619089450a285bee88e871784dd706f19e2a7166b0a3042dcdbb5aba11fc9e7730b43200a8a1f79b5d92b45cb4707661de40d6ade7379f5dc035eb9acc953

Download Submit
memory/2392-8-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2392-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2392-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2392-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2392-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2392-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/2764-16-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2776-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2776-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2776-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2776-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2776-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads