tofsee | 0d585f9d23e7debf3ba7a4c9ed10ccf37b78e19b00a7a65dc5c2231a56c0e61b

Analysis

max time kernel
146s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-10-2024 05:23

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General

Target

609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe
Size

10.8MB
MD5

609150c7dd4a20fa574d34e95e0aa3bc
SHA1

db7b53d7a3f2f73cca80c70a74ecfc4e4b42bb90
SHA256

0d585f9d23e7debf3ba7a4c9ed10ccf37b78e19b00a7a65dc5c2231a56c0e61b
SHA512

0b73c269886fd4059377f86183dad5ca1e3cde4e031664d8a4b7a270b80c1cc1534091c305c7905bb239abb697c3f003f2f7553316c53bdb135e3ce28d637c2e
SSDEEP

24576:vkp7SCOI1SDGI1SDGI1SDGI1SDGI1SDGI1SDGI1SDGI1SDGI1SDGI1SDGI1SDGIP:vG

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\tkrazjhj = "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
2644	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\tkrazjhj\ImagePath = "C:\\Windows\\SysWOW64\\tkrazjhj\\ombnhdoe.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
820	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2584	ombnhdoe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2584 set thread context of 820	2584	ombnhdoe.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2604	sc.exe
2788	sc.exe
2368	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.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	ombnhdoe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2864	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	31
PID 2676 wrote to memory of 2864	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	31
PID 2676 wrote to memory of 2864	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	31
PID 2676 wrote to memory of 2864	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	31
PID 2676 wrote to memory of 2128	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	33
PID 2676 wrote to memory of 2128	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	33
PID 2676 wrote to memory of 2128	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	33
PID 2676 wrote to memory of 2128	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	33
PID 2676 wrote to memory of 2368	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	35
PID 2676 wrote to memory of 2368	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	35
PID 2676 wrote to memory of 2368	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	35
PID 2676 wrote to memory of 2368	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	35
PID 2676 wrote to memory of 2604	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	37
PID 2676 wrote to memory of 2604	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	37
PID 2676 wrote to memory of 2604	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	37
PID 2676 wrote to memory of 2604	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	37
PID 2676 wrote to memory of 2788	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	39
PID 2676 wrote to memory of 2788	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	39
PID 2676 wrote to memory of 2788	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	39
PID 2676 wrote to memory of 2788	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	39
PID 2676 wrote to memory of 2644	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	42
PID 2676 wrote to memory of 2644	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	42
PID 2676 wrote to memory of 2644	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	42
PID 2676 wrote to memory of 2644	2676	609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe	42
PID 2584 wrote to memory of 820	2584	ombnhdoe.exe	44
PID 2584 wrote to memory of 820	2584	ombnhdoe.exe	44
PID 2584 wrote to memory of 820	2584	ombnhdoe.exe	44
PID 2584 wrote to memory of 820	2584	ombnhdoe.exe	44
PID 2584 wrote to memory of 820	2584	ombnhdoe.exe	44
PID 2584 wrote to memory of 820	2584	ombnhdoe.exe	44

C:\Users\Admin\AppData\Local\Temp\609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tkrazjhj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2864
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ombnhdoe.exe" C:\Windows\SysWOW64\tkrazjhj\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2128
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tkrazjhj binPath= "C:\Windows\SysWOW64\tkrazjhj\ombnhdoe.exe /d\"C:\Users\Admin\AppData\Local\Temp\609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2368
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tkrazjhj "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2604
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tkrazjhj
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2788
- 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:2644

C:\Windows\SysWOW64\tkrazjhj\ombnhdoe.exe
C:\Windows\SysWOW64\tkrazjhj\ombnhdoe.exe /d"C:\Users\Admin\AppData\Local\Temp\609150c7dd4a20fa574d34e95e0aa3bc_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2584
- 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:820

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\ombnhdoe.exe

Filesize
11.7MB

MD5
b974b8da21b153e57d0e9eb658e0e114

SHA1
4841753a8d4a0d7332973b8dcee1659a033d1b81

SHA256
1eed9997cba94cb249ae0617b4aa11c8f2470a2fe271b527e6e5c10da38193c6

SHA512
7417fe5a099bca80c4d59a84e96d02736e8468f43b018e12904a7a2d98f6111e3c3d703a539d8adefe598cc15208de7dd13138125018474008325b33be33ca2b

Download Submit
memory/820-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/820-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/820-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/820-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/820-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2584-17-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2676-8-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2676-9-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2676-2-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2676-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2676-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2676-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads