tofsee | 9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a

Analysis

max time kernel
144s
max time network
144s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 01:48

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General

Target

JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe
Size

285KB
MD5

18c17011dc0a7eb3edb1f8d25becd9d8
SHA1

934ee7e00313f6a2c5ce1b85c9ac397a7a85ad6c
SHA256

9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a
SHA512

ee8cd3a766864cf3f9d7eeda81b548befcee5c91d3089004cfeb527fce3506cc71c76bc940d9337a1783723b13fa279a60748f7323033ddb6f473c64e16f6128
SSDEEP

6144:IWipWoRl6bpZ6AKr4sh0OmQmKSg6FDleRrX:IWipWoRl6b84j9qSgSQRrX

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\mdzkjzi = "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
2872	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\mdzkjzi\ImagePath = "C:\\Windows\\SysWOW64\\mdzkjzi\\jdmwjmrd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2896	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2820	jdmwjmrd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2820 set thread context of 2896	2820	jdmwjmrd.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2480	sc.exe
2336	sc.exe
2720	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jdmwjmrd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 1720	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	30
PID 2544 wrote to memory of 1720	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	30
PID 2544 wrote to memory of 1720	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	30
PID 2544 wrote to memory of 1720	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	30
PID 2544 wrote to memory of 2256	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	32
PID 2544 wrote to memory of 2256	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	32
PID 2544 wrote to memory of 2256	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	32
PID 2544 wrote to memory of 2256	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	32
PID 2544 wrote to memory of 2480	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	34
PID 2544 wrote to memory of 2480	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	34
PID 2544 wrote to memory of 2480	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	34
PID 2544 wrote to memory of 2480	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	34
PID 2544 wrote to memory of 2336	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	36
PID 2544 wrote to memory of 2336	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	36
PID 2544 wrote to memory of 2336	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	36
PID 2544 wrote to memory of 2336	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	36
PID 2544 wrote to memory of 2720	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	38
PID 2544 wrote to memory of 2720	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	38
PID 2544 wrote to memory of 2720	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	38
PID 2544 wrote to memory of 2720	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	38
PID 2544 wrote to memory of 2872	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	41
PID 2544 wrote to memory of 2872	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	41
PID 2544 wrote to memory of 2872	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	41
PID 2544 wrote to memory of 2872	2544	JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe	41
PID 2820 wrote to memory of 2896	2820	jdmwjmrd.exe	43
PID 2820 wrote to memory of 2896	2820	jdmwjmrd.exe	43
PID 2820 wrote to memory of 2896	2820	jdmwjmrd.exe	43
PID 2820 wrote to memory of 2896	2820	jdmwjmrd.exe	43
PID 2820 wrote to memory of 2896	2820	jdmwjmrd.exe	43
PID 2820 wrote to memory of 2896	2820	jdmwjmrd.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mdzkjzi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1720
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jdmwjmrd.exe" C:\Windows\SysWOW64\mdzkjzi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2256
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mdzkjzi binPath= "C:\Windows\SysWOW64\mdzkjzi\jdmwjmrd.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2480
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mdzkjzi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2336
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mdzkjzi
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2720
- 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:2872

C:\Windows\SysWOW64\mdzkjzi\jdmwjmrd.exe
C:\Windows\SysWOW64\mdzkjzi\jdmwjmrd.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9100e31f06a1a22736f8d9707f52622fc26564b48e9f611ac61be5df2817e17a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2820
- 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:2896

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\jdmwjmrd.exe

Filesize
14.5MB

MD5
bfe88c72eba5e58fdc5f3c88ec651a8c

SHA1
eb42476ed192830f23b0cf875d6ee83c67446eb8

SHA256
4c10fbe5d890cf85ada76c84a419b33df87568d861312a53d4f9ef4f42b25160

SHA512
4fe66bfb44c76370022fdfc4ee11753eb5a23890eff878847ee1696b32f0052ac80da5963000a4d908f3a25b625f496c35011d16373daf619e4ff1d4aea3b850

Download Submit
memory/2544-8-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/2544-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2544-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2544-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2544-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2544-1-0x0000000002D00000-0x0000000002E00000-memory.dmp

Filesize
1024KB

Download
memory/2820-15-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/2896-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2896-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2896-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2896-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2896-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads