tofsee | d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-12-2024 22:48

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General

Target

JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe
Size

186KB
MD5

64c68256f7f207094671f6f01fd3dfc7
SHA1

6e0be13a130b4fba1dcc3fcc820d94f822689464
SHA256

d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27
SHA512

2c755bb99e0d4a995f78d1b8fd52784246a43fbc7c1bcc08a4273e39ae749d58436cb0e3a83e73b007ca86b76edd450207f97fcdf53dc974646c68c02fe0b8fe
SSDEEP

3072:Y7c4r7YqcnhiR+tHVPc275lz+rBqX9eGwPNSa9e92czp:gcqchiRiPcuh+rE9etPQa9w2ct

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\dpckjcob = "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
2888	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\dpckjcob\ImagePath = "C:\\Windows\\SysWOW64\\dpckjcob\\oydqxsrg.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2612	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2980	oydqxsrg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2980 set thread context of 2612	2980	oydqxsrg.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2188	sc.exe
2716	sc.exe
2820	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.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	oydqxsrg.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 3004	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	31
PID 2572 wrote to memory of 3004	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	31
PID 2572 wrote to memory of 3004	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	31
PID 2572 wrote to memory of 3004	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	31
PID 2572 wrote to memory of 3068	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	33
PID 2572 wrote to memory of 3068	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	33
PID 2572 wrote to memory of 3068	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	33
PID 2572 wrote to memory of 3068	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	33
PID 2572 wrote to memory of 2188	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	35
PID 2572 wrote to memory of 2188	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	35
PID 2572 wrote to memory of 2188	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	35
PID 2572 wrote to memory of 2188	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	35
PID 2572 wrote to memory of 2716	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	37
PID 2572 wrote to memory of 2716	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	37
PID 2572 wrote to memory of 2716	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	37
PID 2572 wrote to memory of 2716	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	37
PID 2572 wrote to memory of 2820	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	39
PID 2572 wrote to memory of 2820	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	39
PID 2572 wrote to memory of 2820	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	39
PID 2572 wrote to memory of 2820	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	39
PID 2980 wrote to memory of 2612	2980	oydqxsrg.exe	42
PID 2980 wrote to memory of 2612	2980	oydqxsrg.exe	42
PID 2980 wrote to memory of 2612	2980	oydqxsrg.exe	42
PID 2980 wrote to memory of 2612	2980	oydqxsrg.exe	42
PID 2980 wrote to memory of 2612	2980	oydqxsrg.exe	42
PID 2980 wrote to memory of 2612	2980	oydqxsrg.exe	42
PID 2572 wrote to memory of 2888	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	43
PID 2572 wrote to memory of 2888	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	43
PID 2572 wrote to memory of 2888	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	43
PID 2572 wrote to memory of 2888	2572	JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dpckjcob\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3004
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\oydqxsrg.exe" C:\Windows\SysWOW64\dpckjcob\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3068
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dpckjcob binPath= "C:\Windows\SysWOW64\dpckjcob\oydqxsrg.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2188
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dpckjcob "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2716
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dpckjcob
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2820
- 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:2888

C:\Windows\SysWOW64\dpckjcob\oydqxsrg.exe
C:\Windows\SysWOW64\dpckjcob\oydqxsrg.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d64403ee58f2ea101e484cfc729f8a6b257f6d878407a59c4ff30f22f9341e27.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980
- 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:2612

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\oydqxsrg.exe

Filesize
11.5MB

MD5
7256b0e0de901826c957ff20189415c5

SHA1
b6732a730248cec03f4619ebd9ce9193cc446058

SHA256
5ef59a808f68e82456e4141b3f7e999854acc9d24827d9fa3d73415efd42dd1d

SHA512
7e7e5453ed5764688e4e589f0810da113c6c4920d260a9518c761ca152f735f4925628ff68f43cf4097722b561e0b51d74ffdf1beef81d7af798c5212ba98944

Download Submit
memory/2572-14-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2572-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2572-1-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/2572-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2572-0-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2572-13-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2572-12-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2612-6-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2612-9-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2612-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2612-16-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2612-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

Filesize
84KB

Download
memory/2980-11-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads