tofsee | de2c494713e4ca980f0f55c5d183def1f1a68c698eacd6627778b704566fce14

Analysis

max time kernel
152s
max time network
147s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
24-10-2024 06:37

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General

Target

72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe
Size

11.1MB
MD5

72b6657e5633ebdcd2b4b49b034ab0d8
SHA1

c8b0081902a005b88b18319e7488d81ab7a4d348
SHA256

de2c494713e4ca980f0f55c5d183def1f1a68c698eacd6627778b704566fce14
SHA512

ee9777886dad70c6d34aad658ab799668db3441ace3507ab1f686b44123206a7e8c14c7788e2260533af2eb50550c1120adaff69b886e9d75d5d92df751f6aa9
SSDEEP

24576:RPTYeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeO:RP

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

Processes:

svchost.exe

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\eaqrrlpt = "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

Processes:

netsh.exe

pid	Process
2844	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\eaqrrlpt\ImagePath = "C:\\Windows\\SysWOW64\\eaqrrlpt\\jvqnutth.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid	Process
2120	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

jvqnutth.exe

pid	Process
2900	jvqnutth.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

jvqnutth.exe

description	pid	Process	procid_target
PID 2900 set thread context of 2120	2900	jvqnutth.exe	42

Launches sc.exe 3 IoCs

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

Processes:

sc.exesc.exesc.exe

pid	Process
2740	sc.exe
2768	sc.exe
2964	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

Processes:

netsh.exe

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

Processes:

72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.execmd.exesc.exenetsh.execmd.exesc.exesc.exejvqnutth.exesvchost.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.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	netsh.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jvqnutth.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exejvqnutth.exe

description	pid	Process	procid_target
PID 2460 wrote to memory of 2880	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	29
PID 2460 wrote to memory of 2880	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	29
PID 2460 wrote to memory of 2880	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	29
PID 2460 wrote to memory of 2880	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	29
PID 2460 wrote to memory of 2972	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	31
PID 2460 wrote to memory of 2972	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	31
PID 2460 wrote to memory of 2972	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	31
PID 2460 wrote to memory of 2972	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	31
PID 2460 wrote to memory of 2740	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	33
PID 2460 wrote to memory of 2740	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	33
PID 2460 wrote to memory of 2740	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	33
PID 2460 wrote to memory of 2740	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	33
PID 2460 wrote to memory of 2768	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	35
PID 2460 wrote to memory of 2768	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	35
PID 2460 wrote to memory of 2768	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	35
PID 2460 wrote to memory of 2768	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	35
PID 2460 wrote to memory of 2964	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	37
PID 2460 wrote to memory of 2964	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	37
PID 2460 wrote to memory of 2964	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	37
PID 2460 wrote to memory of 2964	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	37
PID 2460 wrote to memory of 2844	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	40
PID 2460 wrote to memory of 2844	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	40
PID 2460 wrote to memory of 2844	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	40
PID 2460 wrote to memory of 2844	2460	72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe	40
PID 2900 wrote to memory of 2120	2900	jvqnutth.exe	42
PID 2900 wrote to memory of 2120	2900	jvqnutth.exe	42
PID 2900 wrote to memory of 2120	2900	jvqnutth.exe	42
PID 2900 wrote to memory of 2120	2900	jvqnutth.exe	42
PID 2900 wrote to memory of 2120	2900	jvqnutth.exe	42
PID 2900 wrote to memory of 2120	2900	jvqnutth.exe	42

C:\Users\Admin\AppData\Local\Temp\72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\eaqrrlpt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jvqnutth.exe" C:\Windows\SysWOW64\eaqrrlpt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2972
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create eaqrrlpt binPath= "C:\Windows\SysWOW64\eaqrrlpt\jvqnutth.exe /d\"C:\Users\Admin\AppData\Local\Temp\72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description eaqrrlpt "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2768
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start eaqrrlpt
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2964
- 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:2844

C:\Windows\SysWOW64\eaqrrlpt\jvqnutth.exe
C:\Windows\SysWOW64\eaqrrlpt\jvqnutth.exe /d"C:\Users\Admin\AppData\Local\Temp\72b6657e5633ebdcd2b4b49b034ab0d8_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2900
- 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:2120

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\jvqnutth.exe

Filesize
10.8MB

MD5
4b3deffbdf572bc1e6c19de4f598a54c

SHA1
3eed78ea1320bb44c0b09541e070d0c56cf35a8b

SHA256
ffb0cdc3a6197cb948adfd7c54c0763034880fcee30ca7583fe29ffb864b8ede

SHA512
106a920cdb2443c8e883677b34c7fdc77b5f3c17433adaba098fe344669ce4d8cc7d0fec5fbdecb374e30fcf76fd4d3e7c6d1860e9b08a361276d265083d9c54

Download Submit
memory/2120-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2120-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2120-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2120-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2120-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2460-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2460-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2460-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2460-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2460-8-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2460-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2900-17-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download