tofsee | a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 23:44

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General

Target

JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe
Size

178KB
MD5

daf0fb3d694f2fcc9cfafb1f82676fdc
SHA1

7340cf04391200ab8eec8f9b1169401178b00f4b
SHA256

a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764
SHA512

12724405a8e8f2efb644b844b70550718757ce9217ba488f8d4865c7db8eb05738d1036a5df84a081c12a746966ef7971c39f119f1732693a7ec163ab09380c6
SSDEEP

1536:q7v/wkGpcGl1W7QH78+w6eAlEkZnyHmbZIy6b6NsG8YknMYmed4tYl3Dhn5vMDJN:q7PGcGloEehA+M6ZTnMntYTfvMgB1R

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\igwodhbg = "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
3028	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\igwodhbg\ImagePath = "C:\\Windows\\SysWOW64\\igwodhbg\\pitjurkd.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2712	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2552	pitjurkd.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2552 set thread context of 2712	2552	pitjurkd.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2560	sc.exe
2504	sc.exe
2716	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	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_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.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	pitjurkd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2832	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	31
PID 2664 wrote to memory of 2832	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	31
PID 2664 wrote to memory of 2832	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	31
PID 2664 wrote to memory of 2832	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	31
PID 2664 wrote to memory of 2668	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	33
PID 2664 wrote to memory of 2668	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	33
PID 2664 wrote to memory of 2668	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	33
PID 2664 wrote to memory of 2668	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	33
PID 2664 wrote to memory of 2560	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	35
PID 2664 wrote to memory of 2560	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	35
PID 2664 wrote to memory of 2560	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	35
PID 2664 wrote to memory of 2560	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	35
PID 2664 wrote to memory of 2504	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	37
PID 2664 wrote to memory of 2504	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	37
PID 2664 wrote to memory of 2504	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	37
PID 2664 wrote to memory of 2504	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	37
PID 2664 wrote to memory of 2716	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	39
PID 2664 wrote to memory of 2716	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	39
PID 2664 wrote to memory of 2716	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	39
PID 2664 wrote to memory of 2716	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	39
PID 2552 wrote to memory of 2712	2552	pitjurkd.exe	42
PID 2552 wrote to memory of 2712	2552	pitjurkd.exe	42
PID 2552 wrote to memory of 2712	2552	pitjurkd.exe	42
PID 2552 wrote to memory of 2712	2552	pitjurkd.exe	42
PID 2552 wrote to memory of 2712	2552	pitjurkd.exe	42
PID 2552 wrote to memory of 2712	2552	pitjurkd.exe	42
PID 2664 wrote to memory of 3028	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	43
PID 2664 wrote to memory of 3028	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	43
PID 2664 wrote to memory of 3028	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	43
PID 2664 wrote to memory of 3028	2664	JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\igwodhbg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2832
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pitjurkd.exe" C:\Windows\SysWOW64\igwodhbg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2668
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create igwodhbg binPath= "C:\Windows\SysWOW64\igwodhbg\pitjurkd.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description igwodhbg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2504
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start igwodhbg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2716
- 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:3028

C:\Windows\SysWOW64\igwodhbg\pitjurkd.exe
C:\Windows\SysWOW64\igwodhbg\pitjurkd.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a16cada39e0d7162c77245f4c3814afae791422e07d0a2876cd3be173b6e3764.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2552
- 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:2712

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\pitjurkd.exe

Filesize
11.2MB

MD5
3ecbecafc7598cfd68a8785711ad3ba6

SHA1
7056d67aaadcb18279cddb8b4a9242f05c9a9f24

SHA256
ec2321f4877e80aa68edd2634973d5c765b9a7ddcc017428aa9e711be76823c6

SHA512
ee00d440ed0f0cdddcbe990df0b6bcd3decbf6c1cc34ac0e39a76a862931e810af3a45074804172a0f429b5711ce5f175817257707dfc4656d8b0a5f7ffbd2d3

Download Submit
memory/2552-11-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2664-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2664-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2664-1-0x0000000000260000-0x0000000000273000-memory.dmp

Filesize
76KB

Download
memory/2664-14-0x0000000000260000-0x0000000000273000-memory.dmp

Filesize
76KB

Download
memory/2664-0-0x0000000000230000-0x000000000023D000-memory.dmp

Filesize
52KB

Download
memory/2664-12-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/2664-13-0x0000000000230000-0x000000000023D000-memory.dmp

Filesize
52KB

Download
memory/2712-9-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2712-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-6-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2712-16-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download
memory/2712-17-0x0000000000110000-0x0000000000125000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads