tofsee | 760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25/12/2024, 18:56

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General

Target

JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe
Size

160KB
MD5

686fc196e10156d0a866258e20534432
SHA1

295e798b2d891f5a894f29f6ca9af5ef8c81b14a
SHA256

760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e
SHA512

e0726d5adbb41bd7c69b97c2be8e09a867d34e1899ee32bd03e0079ee6c4ab652a6d7bcfd9033204573091e04177ffaee1326ea867718615ff673f1675123ad2
SSDEEP

3072:m+qa3AwxO2IrqgjxT3WF5UvE1WhOgdq8jsYB6Gu:R31O2UqKRWyE1WEiqdo6G

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

quadoil.ru

lakeflex.ru

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\aerhlgip = "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
2600	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\aerhlgip\ImagePath = "C:\\Windows\\SysWOW64\\aerhlgip\\dfzokgct.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2568	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2604	dfzokgct.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2604 set thread context of 2568	2604	dfzokgct.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2680	sc.exe
2908	sc.exe
2684	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.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	dfzokgct.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2752	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	30
PID 1792 wrote to memory of 2752	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	30
PID 1792 wrote to memory of 2752	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	30
PID 1792 wrote to memory of 2752	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	30
PID 1792 wrote to memory of 2952	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	32
PID 1792 wrote to memory of 2952	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	32
PID 1792 wrote to memory of 2952	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	32
PID 1792 wrote to memory of 2952	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	32
PID 1792 wrote to memory of 2680	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	34
PID 1792 wrote to memory of 2680	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	34
PID 1792 wrote to memory of 2680	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	34
PID 1792 wrote to memory of 2680	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	34
PID 1792 wrote to memory of 2908	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	36
PID 1792 wrote to memory of 2908	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	36
PID 1792 wrote to memory of 2908	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	36
PID 1792 wrote to memory of 2908	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	36
PID 1792 wrote to memory of 2684	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	38
PID 1792 wrote to memory of 2684	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	38
PID 1792 wrote to memory of 2684	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	38
PID 1792 wrote to memory of 2684	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	38
PID 2604 wrote to memory of 2568	2604	dfzokgct.exe	41
PID 2604 wrote to memory of 2568	2604	dfzokgct.exe	41
PID 2604 wrote to memory of 2568	2604	dfzokgct.exe	41
PID 2604 wrote to memory of 2568	2604	dfzokgct.exe	41
PID 2604 wrote to memory of 2568	2604	dfzokgct.exe	41
PID 2604 wrote to memory of 2568	2604	dfzokgct.exe	41
PID 1792 wrote to memory of 2600	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	42
PID 1792 wrote to memory of 2600	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	42
PID 1792 wrote to memory of 2600	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	42
PID 1792 wrote to memory of 2600	1792	JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe	42

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aerhlgip\
  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\dfzokgct.exe" C:\Windows\SysWOW64\aerhlgip\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2952
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create aerhlgip binPath= "C:\Windows\SysWOW64\aerhlgip\dfzokgct.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2680
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description aerhlgip "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2908
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start aerhlgip
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2684
- 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:2600

C:\Windows\SysWOW64\aerhlgip\dfzokgct.exe
C:\Windows\SysWOW64\aerhlgip\dfzokgct.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_760dcdefd76a6511354f00a7eaa02830f82f5f9cddb78cc2ddb20dfc3bc3bf0e.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2604
- 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:2568

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\dfzokgct.exe

Filesize
11.2MB

MD5
adbe41c386111fca2ae7e42c00ae62a2

SHA1
5862343a4c7426176db7c68d891a9f8ac1aa5ea9

SHA256
064409fc9a4813c2657cb4ff61480c1b3f7eb228d00136e96360fa5463e06e59

SHA512
d1e918147c88d5fc674960a9b3075a5c8aadc5f82b21643c15d6cff58734925c9b45bff183d67481711e7a6c7d31d77152fa82066175ca814593e7c00c038a6d

Download Submit
memory/1792-14-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1792-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1792-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1792-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1792-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1792-13-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1792-12-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2568-6-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2568-9-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2568-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2568-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2568-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2604-11-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads