tofsee | 9364999d416a2de1c0b9b3bb46948e40be929418c06154cebee0602ca4e7b800

Analysis

max time kernel
143s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-10-2024 07:49

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General

Target

12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe
Size

13.4MB
MD5

12754fe20fd60bd57247b65d64d97e83
SHA1

bf98f755046fb4092788ee8821bd0c1fa0530efa
SHA256

9364999d416a2de1c0b9b3bb46948e40be929418c06154cebee0602ca4e7b800
SHA512

90a1f91c3c5cb12953781d502b1a3cc1b1dac3a0fc69a15e9c0abbbedf3fb05073ac64e6860002ba5d6ae9d089999bfa2a976a99b1a92e070773c81c2239e0ec
SSDEEP

393216:uLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLz:

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\hlhyzrey = "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
2900	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\hlhyzrey\ImagePath = "C:\\Windows\\SysWOW64\\hlhyzrey\\lqmecfr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2668	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2768	lqmecfr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2768 set thread context of 2668	2768	lqmecfr.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2180	sc.exe
2820	sc.exe
2908	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lqmecfr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2228	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	29
PID 1956 wrote to memory of 2228	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	29
PID 1956 wrote to memory of 2228	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	29
PID 1956 wrote to memory of 2228	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	29
PID 1956 wrote to memory of 2808	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	31
PID 1956 wrote to memory of 2808	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	31
PID 1956 wrote to memory of 2808	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	31
PID 1956 wrote to memory of 2808	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	31
PID 1956 wrote to memory of 2180	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	33
PID 1956 wrote to memory of 2180	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	33
PID 1956 wrote to memory of 2180	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	33
PID 1956 wrote to memory of 2180	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	33
PID 1956 wrote to memory of 2820	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	35
PID 1956 wrote to memory of 2820	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	35
PID 1956 wrote to memory of 2820	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	35
PID 1956 wrote to memory of 2820	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	35
PID 1956 wrote to memory of 2908	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	37
PID 1956 wrote to memory of 2908	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	37
PID 1956 wrote to memory of 2908	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	37
PID 1956 wrote to memory of 2908	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	37
PID 1956 wrote to memory of 2900	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	40
PID 1956 wrote to memory of 2900	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	40
PID 1956 wrote to memory of 2900	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	40
PID 1956 wrote to memory of 2900	1956	12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe	40
PID 2768 wrote to memory of 2668	2768	lqmecfr.exe	42
PID 2768 wrote to memory of 2668	2768	lqmecfr.exe	42
PID 2768 wrote to memory of 2668	2768	lqmecfr.exe	42
PID 2768 wrote to memory of 2668	2768	lqmecfr.exe	42
PID 2768 wrote to memory of 2668	2768	lqmecfr.exe	42
PID 2768 wrote to memory of 2668	2768	lqmecfr.exe	42

C:\Users\Admin\AppData\Local\Temp\12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hlhyzrey\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2228
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lqmecfr.exe" C:\Windows\SysWOW64\hlhyzrey\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2808
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hlhyzrey binPath= "C:\Windows\SysWOW64\hlhyzrey\lqmecfr.exe /d\"C:\Users\Admin\AppData\Local\Temp\12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2180
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hlhyzrey "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2820
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hlhyzrey
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2908
- 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:2900

C:\Windows\SysWOW64\hlhyzrey\lqmecfr.exe
C:\Windows\SysWOW64\hlhyzrey\lqmecfr.exe /d"C:\Users\Admin\AppData\Local\Temp\12754fe20fd60bd57247b65d64d97e83_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2768
- 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:2668

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\lqmecfr.exe

Filesize
13.1MB

MD5
1d402d0ffb354e74f83936e00932fd7e

SHA1
7ee50029e3da658cef6ba1b4e54d26353643e681

SHA256
6d88de78f87fe24af406eeced528ce367786e1a4e72fb01f6551f921c9fad093

SHA512
c54ba75c414d2ab9ab6b7a25c103b2b5d81053d74f84a56a44e940d989706caeb32387d64ca0db0f86866bec9ab1fb9b84616312433735c558dc29896b809f52

Download Submit
memory/1956-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1956-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1956-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1956-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1956-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1956-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2668-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2668-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2668-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2668-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2668-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2768-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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