tofsee | 8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 14:35

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General

Target

JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe
Size

238KB
MD5

408c1945565f2750805d4794738e9ac6
SHA1

5337152dea98cc8689642d06b1dd401a36576dee
SHA256

8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861
SHA512

2ca65d40c0984003654c6f49f1258ac584b742932e2b5935d0d197d8771ea6e75a12aafc9983c9dee2ba318786be9d7def38690ee7bd2b0a875e61b601afd613
SSDEEP

6144:p3ZQq23DLJtr0Cl20X3pZxbkToSdx5pgG5H:BZWJtrPlVZxoESJn

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\ghdgczfu = "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
2752	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\ghdgczfu\ImagePath = "C:\\Windows\\SysWOW64\\ghdgczfu\\dpbjjujr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2888	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2780	dpbjjujr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2780 set thread context of 2888	2780	dpbjjujr.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2836	sc.exe
2192	sc.exe
2732	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	sc.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dpbjjujr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2260	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	30
PID 2160 wrote to memory of 2260	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	30
PID 2160 wrote to memory of 2260	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	30
PID 2160 wrote to memory of 2260	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	30
PID 2160 wrote to memory of 1444	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	32
PID 2160 wrote to memory of 1444	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	32
PID 2160 wrote to memory of 1444	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	32
PID 2160 wrote to memory of 1444	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	32
PID 2160 wrote to memory of 2192	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	34
PID 2160 wrote to memory of 2192	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	34
PID 2160 wrote to memory of 2192	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	34
PID 2160 wrote to memory of 2192	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	34
PID 2160 wrote to memory of 2732	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	36
PID 2160 wrote to memory of 2732	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	36
PID 2160 wrote to memory of 2732	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	36
PID 2160 wrote to memory of 2732	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	36
PID 2160 wrote to memory of 2836	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	38
PID 2160 wrote to memory of 2836	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	38
PID 2160 wrote to memory of 2836	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	38
PID 2160 wrote to memory of 2836	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	38
PID 2160 wrote to memory of 2752	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	41
PID 2160 wrote to memory of 2752	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	41
PID 2160 wrote to memory of 2752	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	41
PID 2160 wrote to memory of 2752	2160	JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe	41
PID 2780 wrote to memory of 2888	2780	dpbjjujr.exe	43
PID 2780 wrote to memory of 2888	2780	dpbjjujr.exe	43
PID 2780 wrote to memory of 2888	2780	dpbjjujr.exe	43
PID 2780 wrote to memory of 2888	2780	dpbjjujr.exe	43
PID 2780 wrote to memory of 2888	2780	dpbjjujr.exe	43
PID 2780 wrote to memory of 2888	2780	dpbjjujr.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ghdgczfu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dpbjjujr.exe" C:\Windows\SysWOW64\ghdgczfu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1444
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ghdgczfu binPath= "C:\Windows\SysWOW64\ghdgczfu\dpbjjujr.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2192
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ghdgczfu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2732
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ghdgczfu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- 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:2752

C:\Windows\SysWOW64\ghdgczfu\dpbjjujr.exe
C:\Windows\SysWOW64\ghdgczfu\dpbjjujr.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8e153af80a5bda2c33eac3b4dfba3fe2bffd0b7e5c2f8420e4a0c2472a68a861.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- 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:2888

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\dpbjjujr.exe

Filesize
14.2MB

MD5
a214b02d84c10e4d2e63c9ec6d469836

SHA1
03619fd967f6f1f30871de5467ce2d7734ac3ac7

SHA256
c7d64efde1c29090a5b4ddd47bfe0ce029232eacd24c877180a26aebb547e3c2

SHA512
89f6e65fbb9c90b0fcc42b017df05f3c883ffa69d95640069f6e9e38e345cd1c237ae29c57c74fae75052b1b5a9505c68e1ee2e8eb384fc9772511a03610d2e8

Download Submit
memory/2160-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2160-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2160-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2160-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2160-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2160-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/2780-17-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2888-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2888-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2888-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2888-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2888-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads