tofsee | 14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5

Analysis

max time kernel
146s
max time network
146s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26/12/2024, 18:41

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General

Target

JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe
Size

289KB
MD5

dc63e7f378971c17563a3e8d31f96796
SHA1

eaa44f139916dc418d7b80eb87d1352a45cac953
SHA256

14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5
SHA512

0b1919c8f286011c23501b5d0f72934822931fa77602152b5a4b6825362ae3988ad82b6911f288639fe7f139febf894e1adde964d24494298ae3e7f474883b36
SSDEEP

6144:2Ep3TtJj54f9/KcWqJL606yROOhxxdeTr/ekI:Z14f9FL6kzxd6L

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\yjfjczio = "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
2728	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\yjfjczio\ImagePath = "C:\\Windows\\SysWOW64\\yjfjczio\\nlamgcnd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2784	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2848	nlamgcnd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2848 set thread context of 2784	2848	nlamgcnd.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2836	sc.exe
2752	sc.exe
1284	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	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	nlamgcnd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 2176	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	30
PID 1708 wrote to memory of 2176	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	30
PID 1708 wrote to memory of 2176	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	30
PID 1708 wrote to memory of 2176	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	30
PID 1708 wrote to memory of 3068	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	32
PID 1708 wrote to memory of 3068	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	32
PID 1708 wrote to memory of 3068	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	32
PID 1708 wrote to memory of 3068	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	32
PID 1708 wrote to memory of 1284	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	34
PID 1708 wrote to memory of 1284	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	34
PID 1708 wrote to memory of 1284	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	34
PID 1708 wrote to memory of 1284	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	34
PID 1708 wrote to memory of 2836	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	36
PID 1708 wrote to memory of 2836	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	36
PID 1708 wrote to memory of 2836	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	36
PID 1708 wrote to memory of 2836	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	36
PID 1708 wrote to memory of 2752	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	38
PID 1708 wrote to memory of 2752	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	38
PID 1708 wrote to memory of 2752	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	38
PID 1708 wrote to memory of 2752	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	38
PID 1708 wrote to memory of 2728	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	41
PID 1708 wrote to memory of 2728	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	41
PID 1708 wrote to memory of 2728	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	41
PID 1708 wrote to memory of 2728	1708	JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe	41
PID 2848 wrote to memory of 2784	2848	nlamgcnd.exe	43
PID 2848 wrote to memory of 2784	2848	nlamgcnd.exe	43
PID 2848 wrote to memory of 2784	2848	nlamgcnd.exe	43
PID 2848 wrote to memory of 2784	2848	nlamgcnd.exe	43
PID 2848 wrote to memory of 2784	2848	nlamgcnd.exe	43
PID 2848 wrote to memory of 2784	2848	nlamgcnd.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\yjfjczio\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2176
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nlamgcnd.exe" C:\Windows\SysWOW64\yjfjczio\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3068
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create yjfjczio binPath= "C:\Windows\SysWOW64\yjfjczio\nlamgcnd.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1284
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description yjfjczio "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 yjfjczio
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2752
- 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:2728

C:\Windows\SysWOW64\yjfjczio\nlamgcnd.exe
C:\Windows\SysWOW64\yjfjczio\nlamgcnd.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14f8fa28672ea9855850971b617fe07bc1a14951383cc007597da1bf39f729e5.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- 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:2784

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\nlamgcnd.exe

Filesize
12.2MB

MD5
04d8e258495d6c09ac3cbaca13f7b56f

SHA1
e1ca46e9368023f995b3fa17252836d5a58dd192

SHA256
4148ace17276523dd4e073954895b2951afb07babc51ec7b35056bcab3566abe

SHA512
a3431822cbd6b636fd9828ccfe2ff8f83c9f0069c3ef1d04722d159dca1ef4478f96caa7da8504a846bfd8505787742679485d9c3c866e949bf82aacd071e0d5

Download Submit
memory/1708-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/1708-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1708-1-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/1708-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1708-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1708-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2784-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2784-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2848-16-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads