tofsee | c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 14:31

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General

Target

JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe
Size

254KB
MD5

308d72a6ab750bb644ade8ba1fbbd53b
SHA1

e57b214def5be0f41fc93aada38954f79b705f4e
SHA256

c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873
SHA512

03531979a92ab7f5a9de753e8c11b1a8263c6b3d4e461ee2246386ddbfb10dfec6d67eae531c326c447b73fe1b6136f25d1419c5adc229c3595cf78da76889c3
SSDEEP

6144:EvzGRGQGlJXwcXXqMaul4TFOoJyDIEMgUpSulOP3U:ErEPGlJXwsXOjTkVDIEMg8fw

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\psagibzn = "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
3020	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\psagibzn\ImagePath = "C:\\Windows\\SysWOW64\\psagibzn\\eqckkvks.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2856	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2852	eqckkvks.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2852 set thread context of 2856	2852	eqckkvks.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2896	sc.exe
2836	sc.exe
2924	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	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	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eqckkvks.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	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 2976	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	30
PID 2312 wrote to memory of 2976	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	30
PID 2312 wrote to memory of 2976	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	30
PID 2312 wrote to memory of 2976	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	30
PID 2312 wrote to memory of 2832	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	32
PID 2312 wrote to memory of 2832	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	32
PID 2312 wrote to memory of 2832	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	32
PID 2312 wrote to memory of 2832	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	32
PID 2312 wrote to memory of 2896	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	34
PID 2312 wrote to memory of 2896	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	34
PID 2312 wrote to memory of 2896	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	34
PID 2312 wrote to memory of 2896	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	34
PID 2312 wrote to memory of 2836	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	36
PID 2312 wrote to memory of 2836	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	36
PID 2312 wrote to memory of 2836	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	36
PID 2312 wrote to memory of 2836	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	36
PID 2312 wrote to memory of 2924	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	38
PID 2312 wrote to memory of 2924	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	38
PID 2312 wrote to memory of 2924	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	38
PID 2312 wrote to memory of 2924	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	38
PID 2312 wrote to memory of 3020	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	41
PID 2312 wrote to memory of 3020	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	41
PID 2312 wrote to memory of 3020	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	41
PID 2312 wrote to memory of 3020	2312	JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe	41
PID 2852 wrote to memory of 2856	2852	eqckkvks.exe	43
PID 2852 wrote to memory of 2856	2852	eqckkvks.exe	43
PID 2852 wrote to memory of 2856	2852	eqckkvks.exe	43
PID 2852 wrote to memory of 2856	2852	eqckkvks.exe	43
PID 2852 wrote to memory of 2856	2852	eqckkvks.exe	43
PID 2852 wrote to memory of 2856	2852	eqckkvks.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\psagibzn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2976
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eqckkvks.exe" C:\Windows\SysWOW64\psagibzn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create psagibzn binPath= "C:\Windows\SysWOW64\psagibzn\eqckkvks.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description psagibzn "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 psagibzn
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2924
- 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:3020

C:\Windows\SysWOW64\psagibzn\eqckkvks.exe
C:\Windows\SysWOW64\psagibzn\eqckkvks.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c49c72803c00204619f091dbe68e20c77d5bfcd7840134abbafa37a168500873.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852
- 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:2856

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\eqckkvks.exe

Filesize
13.7MB

MD5
df297f8b70f74421c23f10a1baaa5c6c

SHA1
a8c351de6e8fd62fa466aaf8161d586a51b4eedb

SHA256
70800f3fd54267314c25f5ac14e107755565a84809b86319277f61b3e9d0ff09

SHA512
6685d3d45d3b56244f1e7b0196c32fdaaf95a02d1f255a28e46b54566ab3e88efaec3b9c9fd5095811db583635f535b57661c1178aec1b6f1b6d28378a856ca0

Download Submit
memory/2312-9-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2312-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2312-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2312-8-0x0000000000400000-0x000000000086F000-memory.dmp

Filesize
4.4MB

Download
memory/2312-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2312-1-0x0000000000950000-0x0000000000A50000-memory.dmp

Filesize
1024KB

Download
memory/2852-15-0x0000000000400000-0x000000000086F000-memory.dmp

Filesize
4.4MB

Download
memory/2856-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2856-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2856-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2856-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads