tofsee | 47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119

General

Target

JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe
Size

168KB
MD5

b6694bc1c3470e6fa42b39e1fce2cd13
SHA1

0762960e9f7c2277618a98869e5cb9921112aa88
SHA256

47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119
SHA512

b5b0a4d411d020df94b749fd4d103edd0fe40a320e64a77314aaa6230c47d8f308242dda6a3ccfcb15138e5e372025091eba5dd53c8707ea7f2733ec84a8e4f3
SSDEEP

3072:2Yx0uJ28EQFGlerSmgPxEquAct5A4b4CpSmS9H6dYs:90uZGleNW4AkBEad

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
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
1136	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\jlgawzwz\ImagePath = "C:\\Windows\\SysWOW64\\jlgawzwz\\lfbhscua.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe

Deletes itself 1 IoCs

pid	Process
220	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3912	lfbhscua.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3912 set thread context of 220	3912	lfbhscua.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
732	sc.exe
1800	sc.exe
4536	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2100	1680	WerFault.exe	81
4812	3912	WerFault.exe	92

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	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.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	lfbhscua.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 4836	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	82
PID 1680 wrote to memory of 4836	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	82
PID 1680 wrote to memory of 4836	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	82
PID 1680 wrote to memory of 1288	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	84
PID 1680 wrote to memory of 1288	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	84
PID 1680 wrote to memory of 1288	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	84
PID 1680 wrote to memory of 732	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	86
PID 1680 wrote to memory of 732	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	86
PID 1680 wrote to memory of 732	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	86
PID 1680 wrote to memory of 1800	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	88
PID 1680 wrote to memory of 1800	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	88
PID 1680 wrote to memory of 1800	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	88
PID 1680 wrote to memory of 4536	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	90
PID 1680 wrote to memory of 4536	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	90
PID 1680 wrote to memory of 4536	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	90
PID 1680 wrote to memory of 1136	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	93
PID 1680 wrote to memory of 1136	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	93
PID 1680 wrote to memory of 1136	1680	JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe	93
PID 3912 wrote to memory of 220	3912	lfbhscua.exe	98
PID 3912 wrote to memory of 220	3912	lfbhscua.exe	98
PID 3912 wrote to memory of 220	3912	lfbhscua.exe	98
PID 3912 wrote to memory of 220	3912	lfbhscua.exe	98
PID 3912 wrote to memory of 220	3912	lfbhscua.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1680
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jlgawzwz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4836
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\lfbhscua.exe" C:\Windows\SysWOW64\jlgawzwz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1288
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create jlgawzwz binPath= "C:\Windows\SysWOW64\jlgawzwz\lfbhscua.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:732
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description jlgawzwz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1800
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start jlgawzwz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4536
- 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:1136
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 672
  2⤵
  - Program crash
  PID:2100

C:\Windows\SysWOW64\jlgawzwz\lfbhscua.exe
C:\Windows\SysWOW64\jlgawzwz\lfbhscua.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_47da2b60d36bad5a151d449e854f8b9588f78f8c7d981f214e97e767ec17d119.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3912
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:220
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3912 -s 516
  2⤵
  - Program crash
  PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1680 -ip 1680
1⤵
PID:3632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3912 -ip 3912
1⤵
PID:4928

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
14.0MB

MD5
725c8e57c1e7b56b649c340c8a293b9c

SHA1
457d197c666b120470ba1e85d3b5fac5fb926a63

SHA256
35946c833b1710af84c2950a17827f65bf6dbea9541dc5e14cc0de170ab4460f

SHA512
605d66e46407c6a86de6a662e40574e2b69ee79653f86a9ceed84cea157b2ea1809499dc503459fef2644c63da241aa18697c505f78bc1fe7b68615e1359d0d6

Download Submit
memory/220-13-0x00000000004B0000-0x00000000004C5000-memory.dmp

Filesize
84KB

Download
memory/220-16-0x00000000004B0000-0x00000000004C5000-memory.dmp

Filesize
84KB

Download
memory/220-17-0x00000000004B0000-0x00000000004C5000-memory.dmp

Filesize
84KB

Download
memory/1680-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1680-2-0x0000000000640000-0x0000000000653000-memory.dmp

Filesize
76KB

Download
memory/1680-8-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1680-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1680-9-0x0000000000640000-0x0000000000653000-memory.dmp

Filesize
76KB

Download
memory/1680-1-0x0000000000660000-0x0000000000760000-memory.dmp

Filesize
1024KB

Download
memory/3912-11-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3912-12-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3912-15-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3912-18-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads