tofsee | 9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3

General

Target

JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe
Size

286KB
MD5

c8db952495476598e4a9e817faa66bd3
SHA1

bf87819d97967eb84812028e724acccbecc308c6
SHA256

9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3
SHA512

1ba0653a1489761d66042f8732532d028a51dd50734d2188eeb54157cde4498e4ac5322067e75b768176f060f04cc65c4178c3bb06447192133e9be54510f427
SSDEEP

6144:yK8kEQgA+ApiK1eO0CICsClp+TV6T0YeMx:WQbH3/ICsClp+wQY

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

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
2612	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\bxpolima\ImagePath = "C:\\Windows\\SysWOW64\\bxpolima\\gqvipkjy.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe

Deletes itself 1 IoCs

pid	Process
1188	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4168	gqvipkjy.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4168 set thread context of 1188	4168	gqvipkjy.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
2160	sc.exe
660	sc.exe
2152	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
3076	4196	WerFault.exe	82
1800	4168	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	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	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.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	gqvipkjy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4196 wrote to memory of 1080	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	83
PID 4196 wrote to memory of 1080	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	83
PID 4196 wrote to memory of 1080	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	83
PID 4196 wrote to memory of 4628	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	85
PID 4196 wrote to memory of 4628	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	85
PID 4196 wrote to memory of 4628	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	85
PID 4196 wrote to memory of 2160	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	87
PID 4196 wrote to memory of 2160	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	87
PID 4196 wrote to memory of 2160	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	87
PID 4196 wrote to memory of 660	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	90
PID 4196 wrote to memory of 660	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	90
PID 4196 wrote to memory of 660	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	90
PID 4196 wrote to memory of 2152	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	92
PID 4196 wrote to memory of 2152	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	92
PID 4196 wrote to memory of 2152	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	92
PID 4196 wrote to memory of 2612	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	95
PID 4196 wrote to memory of 2612	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	95
PID 4196 wrote to memory of 2612	4196	JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe	95
PID 4168 wrote to memory of 1188	4168	gqvipkjy.exe	101
PID 4168 wrote to memory of 1188	4168	gqvipkjy.exe	101
PID 4168 wrote to memory of 1188	4168	gqvipkjy.exe	101
PID 4168 wrote to memory of 1188	4168	gqvipkjy.exe	101
PID 4168 wrote to memory of 1188	4168	gqvipkjy.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4196
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bxpolima\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1080
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gqvipkjy.exe" C:\Windows\SysWOW64\bxpolima\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4628
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create bxpolima binPath= "C:\Windows\SysWOW64\bxpolima\gqvipkjy.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2160
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description bxpolima "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:660
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start bxpolima
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2152
- 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:2612
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 1240
  2⤵
  - Program crash
  PID:3076

C:\Windows\SysWOW64\bxpolima\gqvipkjy.exe
C:\Windows\SysWOW64\bxpolima\gqvipkjy.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d324da8874bf18aae363a521f47adb886165ed9a6fb99ca0ff8f112bb78a1e3.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4168
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1188
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4168 -s 560
  2⤵
  - Program crash
  PID:1800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4196 -ip 4196
1⤵
PID:244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4168 -ip 4168
1⤵
PID:2960

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\gqvipkjy.exe

Filesize
13.8MB

MD5
8c018d7232deb0c1f7b1fb1b7f38c686

SHA1
031edbc2a51b00c622912a8f33acb40f03899d5e

SHA256
23e8f935d220a6ffa2a73d5d1f9f52820976338a9ac32da59f18eb4e56b89c83

SHA512
15c51957f4eff2d38698f4946988c9b884355834984ee3f58207f83b880a6fc7540c7b1a738d340d69e8e8f6fbd5546eb151479c1f460306ff64f6619aa3cd32

Download Submit
memory/1188-11-0x0000000000360000-0x0000000000375000-memory.dmp

Filesize
84KB

Download
memory/1188-13-0x0000000000360000-0x0000000000375000-memory.dmp

Filesize
84KB

Download
memory/1188-14-0x0000000000360000-0x0000000000375000-memory.dmp

Filesize
84KB

Download
memory/4168-15-0x0000000000400000-0x0000000002B40000-memory.dmp

Filesize
39.2MB

Download
memory/4196-1-0x0000000002D30000-0x0000000002E30000-memory.dmp

Filesize
1024KB

Download
memory/4196-2-0x0000000002CA0000-0x0000000002CB3000-memory.dmp

Filesize
76KB

Download
memory/4196-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4196-8-0x0000000002CA0000-0x0000000002CB3000-memory.dmp

Filesize
76KB

Download
memory/4196-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4196-7-0x0000000000400000-0x0000000002B40000-memory.dmp

Filesize
39.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads