tofsee | 89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1

General

Target

JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe
Size

284KB
MD5

523df49ca016ddcba85d75ea51e13cc1
SHA1

360097a175edff477f95ac76e9a9e08b8ad126dd
SHA256

89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1
SHA512

fa3f3af8990d15bb4a4be4b2929e44a6da0680dcd33c1acf332f17990ad3078a9dad3de7cfddfeb0edeb53429b97644264d40a4370bd3f7ccc7a982f8363878b
SSDEEP

3072:bfwmteWVHxy2D086b1/Z3RdCa9w8k9S20ke93/eNN4gVz/nyYKzLZVZYl6ljp5T1:bwmkGVD0t1/ZBdX4lRVWLZVylSpdtT

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
4516	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\pflqjnmg\ImagePath = "C:\\Windows\\SysWOW64\\pflqjnmg\\knlgahrb.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe

Deletes itself 1 IoCs

pid	Process
988	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1652	knlgahrb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1652 set thread context of 988	1652	knlgahrb.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
1656	sc.exe
5040	sc.exe
3108	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
2040	324	WerFault.exe	81
232	1652	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	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	knlgahrb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.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 23 IoCs

description	pid	Process	procid_target
PID 324 wrote to memory of 3748	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	82
PID 324 wrote to memory of 3748	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	82
PID 324 wrote to memory of 3748	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	82
PID 324 wrote to memory of 4564	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	84
PID 324 wrote to memory of 4564	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	84
PID 324 wrote to memory of 4564	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	84
PID 324 wrote to memory of 1656	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	86
PID 324 wrote to memory of 1656	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	86
PID 324 wrote to memory of 1656	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	86
PID 324 wrote to memory of 5040	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	88
PID 324 wrote to memory of 5040	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	88
PID 324 wrote to memory of 5040	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	88
PID 324 wrote to memory of 3108	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	90
PID 324 wrote to memory of 3108	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	90
PID 324 wrote to memory of 3108	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	90
PID 324 wrote to memory of 4516	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	93
PID 324 wrote to memory of 4516	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	93
PID 324 wrote to memory of 4516	324	JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe	93
PID 1652 wrote to memory of 988	1652	knlgahrb.exe	98
PID 1652 wrote to memory of 988	1652	knlgahrb.exe	98
PID 1652 wrote to memory of 988	1652	knlgahrb.exe	98
PID 1652 wrote to memory of 988	1652	knlgahrb.exe	98
PID 1652 wrote to memory of 988	1652	knlgahrb.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:324
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\pflqjnmg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\knlgahrb.exe" C:\Windows\SysWOW64\pflqjnmg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4564
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create pflqjnmg binPath= "C:\Windows\SysWOW64\pflqjnmg\knlgahrb.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1656
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description pflqjnmg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5040
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start pflqjnmg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3108
- 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:4516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 324 -s 572
  2⤵
  - Program crash
  PID:2040

C:\Windows\SysWOW64\pflqjnmg\knlgahrb.exe
C:\Windows\SysWOW64\pflqjnmg\knlgahrb.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89f6d07d84dababb976153bafeb830f97341b6259f9330800aade067af52c5c1.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 532
  2⤵
  - Program crash
  PID:232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 324 -ip 324
1⤵
PID:1104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1652 -ip 1652
1⤵
PID:4104

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\knlgahrb.exe

Filesize
10.9MB

MD5
e69f63ed5f9beca42fe0bf19ccd0f2ad

SHA1
d9ed76474258fbbbff73d63560fc0bb479af02e3

SHA256
57a37aced0c09eb7ae134a99d329082c39b6f8a73788592476c60217042de64f

SHA512
f496cb1cd83f10375e85893a5a720755f25de300a227c44d374e96f78852adcbeafb725b9d3307193bb223e96c4b4075ab296065a433ae7b2fdfb5e97e5838cf

Download Submit
memory/324-1-0x0000000002D40000-0x0000000002E40000-memory.dmp

Filesize
1024KB

Download
memory/324-2-0x00000000001E0000-0x00000000001F3000-memory.dmp

Filesize
76KB

Download
memory/324-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/324-9-0x00000000001E0000-0x00000000001F3000-memory.dmp

Filesize
76KB

Download
memory/324-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/324-8-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/988-11-0x0000000000B80000-0x0000000000B95000-memory.dmp

Filesize
84KB

Download
memory/988-13-0x0000000000B80000-0x0000000000B95000-memory.dmp

Filesize
84KB

Download
memory/988-14-0x0000000000B80000-0x0000000000B95000-memory.dmp

Filesize
84KB

Download
memory/1652-15-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads