tofsee | 0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832

General

Target

JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe
Size

165KB
MD5

eda8ef4ef88c28ae99753670669cb75c
SHA1

782f44532a57ab15a38700d8effa6ee91329119e
SHA256

0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832
SHA512

c8ce8416f4df3d49875acd4048881e7256eddfb27d787f51117d91f6376e04b2bf34446fba7ea9a86494d0f24a68a897ab94e68bbb9481c1869c6b794cb8f899
SSDEEP

3072:yHecR8524Pj42v7XoL/d4TcTyB9rmqk88RgZA/72:TcR024PDTXm2B9Zk8kgZAK

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
3336	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\qlbbfh\ImagePath = "C:\\Windows\\SysWOW64\\qlbbfh\\jsbjxpxg.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe

Deletes itself 1 IoCs

pid	Process
3768	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3416	jsbjxpxg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3416 set thread context of 3768	3416	jsbjxpxg.exe	94

Launches sc.exe 3 IoCs

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

pid	Process
804	sc.exe
3800	sc.exe
3700	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
5088	1892	WerFault.exe	82
4292	3416	WerFault.exe	93

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jsbjxpxg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 4336	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	83
PID 1892 wrote to memory of 4336	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	83
PID 1892 wrote to memory of 4336	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	83
PID 1892 wrote to memory of 3192	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	85
PID 1892 wrote to memory of 3192	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	85
PID 1892 wrote to memory of 3192	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	85
PID 1892 wrote to memory of 804	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	87
PID 1892 wrote to memory of 804	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	87
PID 1892 wrote to memory of 804	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	87
PID 1892 wrote to memory of 3800	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	89
PID 1892 wrote to memory of 3800	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	89
PID 1892 wrote to memory of 3800	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	89
PID 1892 wrote to memory of 3700	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	91
PID 1892 wrote to memory of 3700	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	91
PID 1892 wrote to memory of 3700	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	91
PID 3416 wrote to memory of 3768	3416	jsbjxpxg.exe	94
PID 3416 wrote to memory of 3768	3416	jsbjxpxg.exe	94
PID 3416 wrote to memory of 3768	3416	jsbjxpxg.exe	94
PID 3416 wrote to memory of 3768	3416	jsbjxpxg.exe	94
PID 3416 wrote to memory of 3768	3416	jsbjxpxg.exe	94
PID 1892 wrote to memory of 3336	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	98
PID 1892 wrote to memory of 3336	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	98
PID 1892 wrote to memory of 3336	1892	JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qlbbfh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4336
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jsbjxpxg.exe" C:\Windows\SysWOW64\qlbbfh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3192
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qlbbfh binPath= "C:\Windows\SysWOW64\qlbbfh\jsbjxpxg.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qlbbfh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3800
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qlbbfh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3700
- 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:3336
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1892 -s 1192
  2⤵
  - Program crash
  PID:5088

C:\Windows\SysWOW64\qlbbfh\jsbjxpxg.exe
C:\Windows\SysWOW64\qlbbfh\jsbjxpxg.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0bca46b194fbec1a66fd4ab15ada451391d18768be02b5dec4d18eb2a32e5832.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3416 -s 528
  2⤵
  - Program crash
  PID:4292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3416 -ip 3416
1⤵
PID:3952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1892 -ip 1892
1⤵
PID:3004

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\jsbjxpxg.exe

Filesize
13.6MB

MD5
edd4afd915a054cb4e08a8774527c8f5

SHA1
d6a3c2ab3d4968ec69e702cd4828a414aa5d93a6

SHA256
a1b7c1eaec35e678e97ff56f6ec83200ab0615689cf9c72fffdd3a225b4ec7cc

SHA512
31c05b64d3e89efab252f68f8ab0b657c5e2ea33f8705685e67a2dc09efa3ea8a18331ade72a58301e478b17d2b3e5df48b0460bd259b52e4ec2a63f787fae51

Download Submit
memory/1892-17-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download
memory/1892-1-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download
memory/1892-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1892-0-0x0000000002190000-0x000000000219D000-memory.dmp

Filesize
52KB

Download
memory/1892-15-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1892-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1892-16-0x0000000002190000-0x000000000219D000-memory.dmp

Filesize
52KB

Download
memory/3416-7-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3416-14-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3416-8-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3416-6-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3768-12-0x0000000000A00000-0x0000000000A15000-memory.dmp

Filesize
84KB

Download
memory/3768-9-0x0000000000A00000-0x0000000000A15000-memory.dmp

Filesize
84KB

Download
memory/3768-19-0x0000000000A00000-0x0000000000A15000-memory.dmp

Filesize
84KB

Download
memory/3768-20-0x0000000000A00000-0x0000000000A15000-memory.dmp

Filesize
84KB

Download
memory/3768-21-0x0000000000A00000-0x0000000000A15000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads