tofsee | ac2b5f67e079686ab6ee26fa820836d8da7317ecc0837556c1efccd08013bedc

General

Target

2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe
Size

12.0MB
MD5

2e316d198cb4372d12133d6fdda7774f
SHA1

332966886416afa54689bf0c0641d43465103e51
SHA256

ac2b5f67e079686ab6ee26fa820836d8da7317ecc0837556c1efccd08013bedc
SHA512

9169bbf067b75397a140371fc5b32b2c61ed6788eddbef1f41d377e1725440b5e312d1015a249ce8f999b91f0c3f8b5d90834de2ce72922471661248c5fa0658
SSDEEP

49152:RJkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk8:

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\ipslgsgg = "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

Processes:

netsh.exe

pid process

1840 netsh.exe

pid	process
1840	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\ipslgsgg\ImagePath = "C:\\Windows\\SysWOW64\\ipslgsgg\\ndykequm.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

3020 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

ndykequm.exe

pid process

2612 ndykequm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ndykequm.exe

description pid process target process

PID 2612 set thread context of 3020 2612 ndykequm.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2828 sc.exe
2684 sc.exe
1844 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3020	svchost.exe

pid	process
2612	ndykequm.exe

description	pid	process	target process
PID 2612 set thread context of 3020	2612	ndykequm.exe	svchost.exe

pid	process
2828	sc.exe
2684	sc.exe
1844	sc.exe

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

Processes:

netsh.exe

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

Processes:

sc.exesc.exendykequm.exe2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.execmd.exenetsh.exesvchost.execmd.exesc.exe

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	ndykequm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exendykequm.exe

description	pid	process	target process
PID 2180 wrote to memory of 2820	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 2820	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 2820	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 2820	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 2728	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 2728	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 2728	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 2728	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	cmd.exe
PID 2180 wrote to memory of 2684	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2684	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2684	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2684	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 1844	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 1844	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 1844	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 1844	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2828	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2828	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2828	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 2828	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	sc.exe
PID 2180 wrote to memory of 1840	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	netsh.exe
PID 2180 wrote to memory of 1840	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	netsh.exe
PID 2180 wrote to memory of 1840	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	netsh.exe
PID 2180 wrote to memory of 1840	2180	2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe	netsh.exe
PID 2612 wrote to memory of 3020	2612	ndykequm.exe	svchost.exe
PID 2612 wrote to memory of 3020	2612	ndykequm.exe	svchost.exe
PID 2612 wrote to memory of 3020	2612	ndykequm.exe	svchost.exe
PID 2612 wrote to memory of 3020	2612	ndykequm.exe	svchost.exe
PID 2612 wrote to memory of 3020	2612	ndykequm.exe	svchost.exe
PID 2612 wrote to memory of 3020	2612	ndykequm.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ipslgsgg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2820
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ndykequm.exe" C:\Windows\SysWOW64\ipslgsgg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2728
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ipslgsgg binPath= "C:\Windows\SysWOW64\ipslgsgg\ndykequm.exe /d\"C:\Users\Admin\AppData\Local\Temp\2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2684
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ipslgsgg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1844
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ipslgsgg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2828
- 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:1840

C:\Windows\SysWOW64\ipslgsgg\ndykequm.exe
C:\Windows\SysWOW64\ipslgsgg\ndykequm.exe /d"C:\Users\Admin\AppData\Local\Temp\2e316d198cb4372d12133d6fdda7774f_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2612
- 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:3020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\ndykequm.exe

Filesize
13.8MB

MD5
a6acbf34a92343e4623411c2e4cc6c49

SHA1
a2d63f23658f0ea1d0c0a6469375d2bbbf70d229

SHA256
755df9c8a354d7f1b845a563815c02bc97fc1e8cc1818fb6a7b4ef76634c38a6

SHA512
64e008c1fa22c277f1f8ae5913ecca550bd2b2b375d57af104dc3b8d11c5db5a0a4c32ed2d55fd9571b3bbe859797d50c15ac7fd6b3516441c9ac67ec68b3263

Download Submit
memory/2180-1-0x0000000002200000-0x0000000002300000-memory.dmp

Filesize
1024KB

Download
memory/2180-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2180-4-0x0000000000400000-0x0000000002145000-memory.dmp

Filesize
29.3MB

Download
memory/2180-14-0x0000000000400000-0x0000000002145000-memory.dmp

Filesize
29.3MB

Download
memory/2180-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2612-16-0x0000000000400000-0x0000000002145000-memory.dmp

Filesize
29.3MB

Download
memory/3020-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3020-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3020-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3020-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3020-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads