tofsee | 22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1

Analysis

max time kernel
144s
max time network
147s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 04:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe
Size

147KB
MD5

1cb9964c4c9d5334bd59041ba1bd7dba
SHA1

e1b6ca47232a373a9adb737a78f458a9d72fd705
SHA256

22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1
SHA512

a69852196a0be4b972b6a61daf1158988d71838e45a866377312eb65e27ba02fbdcfc1c8d719b718673a5445a1dd80216af0ae1707d78b54fbbabe99e5c2038a
SSDEEP

3072:cFYpcokBEY9+CQTpIJvGkbqfPN3emCcz:cOpcJzIIJ5qf8u

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\uzlfgvtt = "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
2908	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\uzlfgvtt\ImagePath = "C:\\Windows\\SysWOW64\\uzlfgvtt\\wbxpnqc.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
1336	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2144	wbxpnqc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2144 set thread context of 1336	2144	wbxpnqc.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2924	sc.exe
568	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

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	netsh.exe
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	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	wbxpnqc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 1824	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	30
PID 2496 wrote to memory of 1824	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	30
PID 2496 wrote to memory of 1824	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	30
PID 2496 wrote to memory of 1824	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	30
PID 2496 wrote to memory of 2984	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	32
PID 2496 wrote to memory of 2984	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	32
PID 2496 wrote to memory of 2984	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	32
PID 2496 wrote to memory of 2984	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	32
PID 2496 wrote to memory of 2924	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	34
PID 2496 wrote to memory of 2924	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	34
PID 2496 wrote to memory of 2924	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	34
PID 2496 wrote to memory of 2924	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	34
PID 2496 wrote to memory of 568	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	36
PID 2496 wrote to memory of 568	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	36
PID 2496 wrote to memory of 568	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	36
PID 2496 wrote to memory of 568	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	36
PID 2496 wrote to memory of 2964	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	38
PID 2496 wrote to memory of 2964	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	38
PID 2496 wrote to memory of 2964	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	38
PID 2496 wrote to memory of 2964	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	38
PID 2496 wrote to memory of 2908	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	41
PID 2496 wrote to memory of 2908	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	41
PID 2496 wrote to memory of 2908	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	41
PID 2496 wrote to memory of 2908	2496	JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe	41
PID 2144 wrote to memory of 1336	2144	wbxpnqc.exe	43
PID 2144 wrote to memory of 1336	2144	wbxpnqc.exe	43
PID 2144 wrote to memory of 1336	2144	wbxpnqc.exe	43
PID 2144 wrote to memory of 1336	2144	wbxpnqc.exe	43
PID 2144 wrote to memory of 1336	2144	wbxpnqc.exe	43
PID 2144 wrote to memory of 1336	2144	wbxpnqc.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uzlfgvtt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1824
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wbxpnqc.exe" C:\Windows\SysWOW64\uzlfgvtt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2984
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create uzlfgvtt binPath= "C:\Windows\SysWOW64\uzlfgvtt\wbxpnqc.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2924
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description uzlfgvtt "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:568
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start uzlfgvtt
  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:2908

C:\Windows\SysWOW64\uzlfgvtt\wbxpnqc.exe
C:\Windows\SysWOW64\uzlfgvtt\wbxpnqc.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22826c7c10b929ee4388e49a725ce1316ccd19f7319fc9592b02c725204525e1.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2144
- 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:1336

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\wbxpnqc.exe

Filesize
12.5MB

MD5
5aece393526fd7efc95b27ce32629f45

SHA1
ba553fe7db124bdece988b2660d74895f045be51

SHA256
bf1c8103f17fae2682afb44dafdae84b03bf00427f9db5bba50a950e5911a905

SHA512
4d6415fbbad8004ccd2e2e8dff5b8e874016b2ff7f8bfb54e2b3925076d2a2f64ed5b4b46d79423a3e2724f4d39c11d83db24a24f10d774bec31483c15581772

Download Submit
memory/1336-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1336-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1336-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1336-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/1336-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2144-16-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2496-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2496-2-0x00000000002C0000-0x00000000002D3000-memory.dmp

Filesize
76KB

Download
memory/2496-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2496-9-0x00000000002C0000-0x00000000002D3000-memory.dmp

Filesize
76KB

Download
memory/2496-8-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2496-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads