tofsee | 80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001

Analysis

max time kernel
149s
max time network
145s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/12/2024, 01:42

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General

Target

JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe
Size

153KB
MD5

e5f2853120da2cbc825d9f939cbff419
SHA1

e8e9d04efeda444fd3c07ef60658969a6bfc14e7
SHA256

80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001
SHA512

2204dc1bfa972c69b2517d0f8f300158650c44ae69ac53f2519450aeb80327ffe6958fcf948f6f3d3c8620ccf3912818a44ff3c4b5dca45a7849bf46626b493c
SSDEEP

3072:77dDJXxBJ9t1WV7v5UyOXIPmyHEiYikP0O:77BJB/9tcypnik8O

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\qeizlrnk = "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
1868	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\qeizlrnk\ImagePath = "C:\\Windows\\SysWOW64\\qeizlrnk\\pfamgswo.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1048	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2664	pfamgswo.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2664 set thread context of 1048	2664	pfamgswo.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2836	sc.exe
2608	sc.exe
3012	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	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	pfamgswo.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 2816	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	30
PID 2840 wrote to memory of 2816	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	30
PID 2840 wrote to memory of 2816	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	30
PID 2840 wrote to memory of 2816	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	30
PID 2840 wrote to memory of 2804	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	32
PID 2840 wrote to memory of 2804	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	32
PID 2840 wrote to memory of 2804	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	32
PID 2840 wrote to memory of 2804	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	32
PID 2840 wrote to memory of 3012	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	34
PID 2840 wrote to memory of 3012	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	34
PID 2840 wrote to memory of 3012	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	34
PID 2840 wrote to memory of 3012	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	34
PID 2840 wrote to memory of 2836	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	36
PID 2840 wrote to memory of 2836	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	36
PID 2840 wrote to memory of 2836	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	36
PID 2840 wrote to memory of 2836	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	36
PID 2840 wrote to memory of 2608	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	38
PID 2840 wrote to memory of 2608	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	38
PID 2840 wrote to memory of 2608	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	38
PID 2840 wrote to memory of 2608	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	38
PID 2840 wrote to memory of 1868	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	41
PID 2840 wrote to memory of 1868	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	41
PID 2840 wrote to memory of 1868	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	41
PID 2840 wrote to memory of 1868	2840	JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe	41
PID 2664 wrote to memory of 1048	2664	pfamgswo.exe	43
PID 2664 wrote to memory of 1048	2664	pfamgswo.exe	43
PID 2664 wrote to memory of 1048	2664	pfamgswo.exe	43
PID 2664 wrote to memory of 1048	2664	pfamgswo.exe	43
PID 2664 wrote to memory of 1048	2664	pfamgswo.exe	43
PID 2664 wrote to memory of 1048	2664	pfamgswo.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qeizlrnk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pfamgswo.exe" C:\Windows\SysWOW64\qeizlrnk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qeizlrnk binPath= "C:\Windows\SysWOW64\qeizlrnk\pfamgswo.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3012
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qeizlrnk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qeizlrnk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2608
- 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:1868

C:\Windows\SysWOW64\qeizlrnk\pfamgswo.exe
C:\Windows\SysWOW64\qeizlrnk\pfamgswo.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80861d706dfddca16e7b919acc16304bc5ff3d239be1f36fe3c0d07323a38001.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- 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:1048

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\pfamgswo.exe

Filesize
12.8MB

MD5
f81a8604a7aa8cd20e6975c661f705d5

SHA1
eedc019d9607423361f8eef9be5b49a7d1681b25

SHA256
1debffc5d1bfeb2be08ea7893e201b637360d346bf0714b3224922dabc67b9c8

SHA512
96c741fcb199b21e9cd61a7bc01eb030b1bf05064348fac9b51af92988544f0e0b6fed59a9822b6916ccce8c01d326344097601b562330a4dbdfc476f30761ca

Download Submit
memory/1048-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1048-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1048-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1048-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1048-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-15-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/2840-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2840-3-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download
memory/2840-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2840-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2840-9-0x0000000000400000-0x00000000004AD000-memory.dmp

Filesize
692KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads