tofsee | a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf

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
22-12-2024 07:32

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General

Target

JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe
Size

234KB
MD5

2379565f7037e1f0c790f1fbd5382e4d
SHA1

3e74b492092848defe3efce4aaade6060c6e65bf
SHA256

a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf
SHA512

07919ec516c8ca931f4d5c574bce930146d871f643815f56bdae4ec75109ce49a4f9bc7ccfd98ba761eee21ac1747d578cc3da44e4eab62801be435a09b517c0
SSDEEP

3072:o17AsVmUoKJ7lQHbmyVvVGE4dG+0VXN7yADUsHwNoQ4Lps4DE+u/4:o175UgJ7lQHbLvz4dGgoHHuA

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\oamlrgzl = "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
1328	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\oamlrgzl\ImagePath = "C:\\Windows\\SysWOW64\\oamlrgzl\\audnadiu.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3056	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2720	audnadiu.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2720 set thread context of 3056	2720	audnadiu.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2560	sc.exe
2844	sc.exe
2112	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	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.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	audnadiu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 2752	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	30
PID 2016 wrote to memory of 2752	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	30
PID 2016 wrote to memory of 2752	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	30
PID 2016 wrote to memory of 2752	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	30
PID 2016 wrote to memory of 2708	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	32
PID 2016 wrote to memory of 2708	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	32
PID 2016 wrote to memory of 2708	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	32
PID 2016 wrote to memory of 2708	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	32
PID 2016 wrote to memory of 2560	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	34
PID 2016 wrote to memory of 2560	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	34
PID 2016 wrote to memory of 2560	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	34
PID 2016 wrote to memory of 2560	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	34
PID 2016 wrote to memory of 2844	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	36
PID 2016 wrote to memory of 2844	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	36
PID 2016 wrote to memory of 2844	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	36
PID 2016 wrote to memory of 2844	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	36
PID 2016 wrote to memory of 2112	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	38
PID 2016 wrote to memory of 2112	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	38
PID 2016 wrote to memory of 2112	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	38
PID 2016 wrote to memory of 2112	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	38
PID 2016 wrote to memory of 1328	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	41
PID 2016 wrote to memory of 1328	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	41
PID 2016 wrote to memory of 1328	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	41
PID 2016 wrote to memory of 1328	2016	JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe	41
PID 2720 wrote to memory of 3056	2720	audnadiu.exe	43
PID 2720 wrote to memory of 3056	2720	audnadiu.exe	43
PID 2720 wrote to memory of 3056	2720	audnadiu.exe	43
PID 2720 wrote to memory of 3056	2720	audnadiu.exe	43
PID 2720 wrote to memory of 3056	2720	audnadiu.exe	43
PID 2720 wrote to memory of 3056	2720	audnadiu.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\oamlrgzl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2752
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\audnadiu.exe" C:\Windows\SysWOW64\oamlrgzl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2708
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create oamlrgzl binPath= "C:\Windows\SysWOW64\oamlrgzl\audnadiu.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description oamlrgzl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2844
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start oamlrgzl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2112
- 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:1328

C:\Windows\SysWOW64\oamlrgzl\audnadiu.exe
C:\Windows\SysWOW64\oamlrgzl\audnadiu.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a7314503a7c92c26027da10f7a4eb283e0475eab5987974e2a116c7347b69cbf.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- 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:3056

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\audnadiu.exe

Filesize
10.9MB

MD5
cb1a5c92557724ca45efede7a505ea98

SHA1
170a0c53e6f92c5f93aa3d4d5487bf112d624f4c

SHA256
a6f3fc666368a207ab141105a30fe5423bfe6b3832a2f3b1c6ae5605d70fb17e

SHA512
c001a2927a467c4487754d6f210954e0905c93fd16e11dc42fa8a75d7da196ea20e17477b4ba4bc6af5aaff5d7f4e513b1df056e0361fa49b6505487fd6e9781

Download Submit
memory/2016-8-0x0000000000400000-0x000000000086A000-memory.dmp

Filesize
4.4MB

Download
memory/2016-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2016-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2016-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2016-9-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2016-1-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/2720-17-0x0000000000400000-0x000000000086A000-memory.dmp

Filesize
4.4MB

Download
memory/3056-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3056-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3056-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3056-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3056-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads