tofsee | 332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893

General

Target

JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe
Size

235KB
MD5

0f070b7cb1701a8b27ae6325723568df
SHA1

4930ccff84e3e23598e1cb6ac569bec29238dc38
SHA256

332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893
SHA512

767b398e726dbc652781c9a55c06f753dc746b6d040b8d10b0a4948f5acb0907f3bfbe25b3be1d3e893ec6690e9836597efba67f8f7941bd338bcd58a3f2a6cf
SSDEEP

6144:ksDkLfFB+17xLtQ4/M/tJo7dlkXdMkb7ITsqXigad:kikhB+tQ4E/7oPs97R

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

mubrikych.top

oxxyfix.xyz

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
tofsee
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
2208	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\jlvqklje\ImagePath = "C:\\Windows\\SysWOW64\\jlvqklje\\effjgphy.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe

Deletes itself 1 IoCs

pid	Process
3400	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3512	effjgphy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3512 set thread context of 3400	3512	effjgphy.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
4896	sc.exe
3872	sc.exe
4776	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4328	3344	WerFault.exe	82
4848	3512	WerFault.exe	94

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	effjgphy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.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	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 4536	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	83
PID 3344 wrote to memory of 4536	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	83
PID 3344 wrote to memory of 4536	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	83
PID 3344 wrote to memory of 5024	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	86
PID 3344 wrote to memory of 5024	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	86
PID 3344 wrote to memory of 5024	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	86
PID 3344 wrote to memory of 4896	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	88
PID 3344 wrote to memory of 4896	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	88
PID 3344 wrote to memory of 4896	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	88
PID 3344 wrote to memory of 3872	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	90
PID 3344 wrote to memory of 3872	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	90
PID 3344 wrote to memory of 3872	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	90
PID 3344 wrote to memory of 4776	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	92
PID 3344 wrote to memory of 4776	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	92
PID 3344 wrote to memory of 4776	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	92
PID 3344 wrote to memory of 2208	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	95
PID 3344 wrote to memory of 2208	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	95
PID 3344 wrote to memory of 2208	3344	JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe	95
PID 3512 wrote to memory of 3400	3512	effjgphy.exe	101
PID 3512 wrote to memory of 3400	3512	effjgphy.exe	101
PID 3512 wrote to memory of 3400	3512	effjgphy.exe	101
PID 3512 wrote to memory of 3400	3512	effjgphy.exe	101
PID 3512 wrote to memory of 3400	3512	effjgphy.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jlvqklje\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\effjgphy.exe" C:\Windows\SysWOW64\jlvqklje\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5024
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jlvqklje binPath= "C:\Windows\SysWOW64\jlvqklje\effjgphy.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4896
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jlvqklje "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3872
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jlvqklje
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4776
- 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:2208
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3344 -s 656
  2⤵
  - Program crash
  PID:4328

C:\Windows\SysWOW64\jlvqklje\effjgphy.exe
C:\Windows\SysWOW64\jlvqklje\effjgphy.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_332a51649036a301a1a1690c70cfded5e7e0c97f49146d15124d4ad377bbe893.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3512
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3512 -s 536
  2⤵
  - Program crash
  PID:4848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3344 -ip 3344
1⤵
PID:3940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3512 -ip 3512
1⤵
PID:4936

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

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
12.7MB

MD5
695428773a16411996ae5f356b4ca7e3

SHA1
bd51d5993efc95188ef17d41fc3def9bbff3b5de

SHA256
fb82b01d80afe667a3251668561967168d98a647b7c000c75cf4e4ceaa0389fd

SHA512
6f6c0217be6b1ab098d51ad1715f58be9bad3526a537e36fe60cc2d4c4fbeb2e73c673cde4119608a21afe393cda2eb510bb8c74f7b31a4cdad05ca6fbce8615

Download Submit
memory/3344-6-0x0000000000400000-0x000000000082C000-memory.dmp

Filesize
4.2MB

Download
memory/3344-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3344-1-0x00000000001E0000-0x00000000001F3000-memory.dmp

Filesize
76KB

Download
memory/3344-7-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/3344-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3344-0-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/3344-8-0x00000000001E0000-0x00000000001F3000-memory.dmp

Filesize
76KB

Download
memory/3400-12-0x00000000012C0000-0x00000000012D5000-memory.dmp

Filesize
84KB

Download
memory/3400-14-0x00000000012C0000-0x00000000012D5000-memory.dmp

Filesize
84KB

Download
memory/3400-15-0x00000000012C0000-0x00000000012D5000-memory.dmp

Filesize
84KB

Download
memory/3512-10-0x0000000000400000-0x000000000082C000-memory.dmp

Filesize
4.2MB

Download
memory/3512-11-0x0000000000400000-0x000000000082C000-memory.dmp

Filesize
4.2MB

Download
memory/3512-17-0x0000000000400000-0x000000000082C000-memory.dmp

Filesize
4.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads