tofsee | bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492

General

Target

JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe
Size

175KB
MD5

a3e8a4ea8c06001b1d17198c38505e74
SHA1

fc87f5b0f5bd9448ac169693cac4e89af11cdd4c
SHA256

bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492
SHA512

294c00df759e3631ab6607afac25c15ae70eabd8cd68dffe4c921f6af6f06cb668989688d13c256c8e33fe0ae437273c48309e95b7c8782fe06baf5be0bbc51b
SSDEEP

3072:nODfLSAVPUAMY9e2r6JGH71FXvTGGPCUWk0+WrxpzbgqruT9s9TbB:nODfLFUAMOcGXvzCF+uzbgwuT0B

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
2052	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\isdqtgbd\ImagePath = "C:\\Windows\\SysWOW64\\isdqtgbd\\ggtupfkv.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe

Deletes itself 1 IoCs

pid	Process
3360	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
5028	ggtupfkv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5028 set thread context of 3360	5028	ggtupfkv.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
4556	sc.exe
980	sc.exe
8	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
4540	1320	WerFault.exe	81
2452	5028	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	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ggtupfkv.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 2544	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	82
PID 1320 wrote to memory of 2544	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	82
PID 1320 wrote to memory of 2544	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	82
PID 1320 wrote to memory of 4984	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	84
PID 1320 wrote to memory of 4984	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	84
PID 1320 wrote to memory of 4984	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	84
PID 1320 wrote to memory of 4556	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	86
PID 1320 wrote to memory of 4556	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	86
PID 1320 wrote to memory of 4556	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	86
PID 1320 wrote to memory of 980	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	90
PID 1320 wrote to memory of 980	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	90
PID 1320 wrote to memory of 980	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	90
PID 1320 wrote to memory of 8	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	92
PID 1320 wrote to memory of 8	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	92
PID 1320 wrote to memory of 8	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	92
PID 1320 wrote to memory of 2052	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	97
PID 1320 wrote to memory of 2052	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	97
PID 1320 wrote to memory of 2052	1320	JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe	97
PID 5028 wrote to memory of 3360	5028	ggtupfkv.exe	102
PID 5028 wrote to memory of 3360	5028	ggtupfkv.exe	102
PID 5028 wrote to memory of 3360	5028	ggtupfkv.exe	102
PID 5028 wrote to memory of 3360	5028	ggtupfkv.exe	102
PID 5028 wrote to memory of 3360	5028	ggtupfkv.exe	102

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\isdqtgbd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ggtupfkv.exe" C:\Windows\SysWOW64\isdqtgbd\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4984
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create isdqtgbd binPath= "C:\Windows\SysWOW64\isdqtgbd\ggtupfkv.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4556
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description isdqtgbd "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:980
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start isdqtgbd
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:8
- 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:2052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1320 -s 888
  2⤵
  - Program crash
  PID:4540

C:\Windows\SysWOW64\isdqtgbd\ggtupfkv.exe
C:\Windows\SysWOW64\isdqtgbd\ggtupfkv.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bda60b16925bf018562a18270e5ef72490a74284ebfd2ff90d0d55260b97b492.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5028
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3360
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5028 -s 512
  2⤵
  - Program crash
  PID:2452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1320 -ip 1320
1⤵
PID:216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 5028 -ip 5028
1⤵
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

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\ggtupfkv.exe

Filesize
10.5MB

MD5
a771fd63ee9f7c6cf2f87a207c2db5e4

SHA1
5eb637ecf116a72bcc4a98650eb304d1b4bcf017

SHA256
0b78d1e14de862f9a3828c7a555a8e4873aca0560138bb35050441db483c951d

SHA512
326ed8997e79c2f4b0909094326e01337678b7118d5759526d27b1a64dc2ed438eb37588a5daebe4e1a366c3d8ce342f7f1a1ae5d7cad63be29340fbd83d74df

Download Submit
memory/1320-7-0x0000000000930000-0x000000000093D000-memory.dmp

Filesize
52KB

Download
memory/1320-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1320-1-0x0000000000940000-0x0000000000953000-memory.dmp

Filesize
76KB

Download
memory/1320-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1320-8-0x0000000000940000-0x0000000000953000-memory.dmp

Filesize
76KB

Download
memory/1320-0-0x0000000000930000-0x000000000093D000-memory.dmp

Filesize
52KB

Download
memory/1320-6-0x0000000000400000-0x000000000081D000-memory.dmp

Filesize
4.1MB

Download
memory/3360-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3360-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3360-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5028-10-0x0000000000400000-0x000000000081D000-memory.dmp

Filesize
4.1MB

Download
memory/5028-11-0x0000000000400000-0x000000000081D000-memory.dmp

Filesize
4.1MB

Download
memory/5028-17-0x0000000000400000-0x000000000081D000-memory.dmp

Filesize
4.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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