tofsee | c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc

General

Target

JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe
Size

157KB
MD5

3bb0a31288d781001d33aeedf06dd8dc
SHA1

981e01149abcd4418142f41758787cf91c97e9c5
SHA256

c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc
SHA512

c0e8728c316b22fb7ac1e3fde375217240c9ac6f572c8af843f068cde53193534070a62484cbb504ece5e0f09a7d06256e2c940cf36a649741716b001d796c3d
SSDEEP

1536:o7iZ6fjIz/BBE9T6WKPeazpJn1ro7PAak0Am4xz3eyfAQpCJyGUx8z6CDzMAOjM0:+EtUJfg0sz3Jt0JVNxDOI5R4T9

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
1796	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\nqmpmmdk\ImagePath = "C:\\Windows\\SysWOW64\\nqmpmmdk\\ogyfevgn.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe

Deletes itself 1 IoCs

pid	Process
2752	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
5040	ogyfevgn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5040 set thread context of 2752	5040	ogyfevgn.exe	103

Launches sc.exe 3 IoCs

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

pid	Process
3492	sc.exe
3896	sc.exe
3752	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 4 IoCs

pid	pid_target	Process	procid_target
2624	532	WerFault.exe	82
396	532	WerFault.exe	82
4532	5040	WerFault.exe	94
912	5040	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_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.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	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	ogyfevgn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 4344	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	83
PID 532 wrote to memory of 4344	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	83
PID 532 wrote to memory of 4344	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	83
PID 532 wrote to memory of 264	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	85
PID 532 wrote to memory of 264	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	85
PID 532 wrote to memory of 264	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	85
PID 532 wrote to memory of 3492	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	87
PID 532 wrote to memory of 3492	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	87
PID 532 wrote to memory of 3492	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	87
PID 532 wrote to memory of 3896	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	89
PID 532 wrote to memory of 3896	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	89
PID 532 wrote to memory of 3896	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	89
PID 532 wrote to memory of 3752	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	92
PID 532 wrote to memory of 3752	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	92
PID 532 wrote to memory of 3752	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	92
PID 532 wrote to memory of 1796	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	95
PID 532 wrote to memory of 1796	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	95
PID 532 wrote to memory of 1796	532	JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe	95
PID 5040 wrote to memory of 2752	5040	ogyfevgn.exe	103
PID 5040 wrote to memory of 2752	5040	ogyfevgn.exe	103
PID 5040 wrote to memory of 2752	5040	ogyfevgn.exe	103
PID 5040 wrote to memory of 2752	5040	ogyfevgn.exe	103
PID 5040 wrote to memory of 2752	5040	ogyfevgn.exe	103

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nqmpmmdk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4344
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ogyfevgn.exe" C:\Windows\SysWOW64\nqmpmmdk\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nqmpmmdk binPath= "C:\Windows\SysWOW64\nqmpmmdk\ogyfevgn.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3492
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nqmpmmdk "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3896
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nqmpmmdk
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3752
- 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:1796
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 532 -s 1044
  2⤵
  - Program crash
  PID:2624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 532 -s 672
  2⤵
  - Program crash
  PID:396

C:\Windows\SysWOW64\nqmpmmdk\ogyfevgn.exe
C:\Windows\SysWOW64\nqmpmmdk\ogyfevgn.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c077d664f953607162a99c61e05cd65110f848cbfcc4140ab6d0429fca29f0dc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2752
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 556
  2⤵
  - Program crash
  PID:4532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 572
  2⤵
  - Program crash
  PID:912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 532 -ip 532
1⤵
PID:5000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 532 -ip 532
1⤵
PID:1664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 5040 -ip 5040
1⤵
PID:1020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 5040 -ip 5040
1⤵
PID:2632

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\ogyfevgn.exe

Filesize
12.6MB

MD5
0061ab5e54932eb2ca07bd655643e244

SHA1
67fb78479e3c70c0f9d99abcb8ce4e9b1f165650

SHA256
09d55d711e20bf18a0fa2c557a2564208639169d16bfe301055e64f15aeab163

SHA512
9fa53f1bc8aff41a459813dafeac8907674caf965b3d74f4a8da4de69e8d9d26970196bf995aca91084e79b0d6bc2dee74783b98912bd4256613f21c86410076

Download Submit
memory/532-8-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download
memory/532-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/532-1-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download
memory/532-7-0x00000000004D0000-0x00000000004DD000-memory.dmp

Filesize
52KB

Download
memory/532-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/532-0-0x00000000004D0000-0x00000000004DD000-memory.dmp

Filesize
52KB

Download
memory/532-6-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/2752-15-0x0000000001040000-0x0000000001055000-memory.dmp

Filesize
84KB

Download
memory/2752-13-0x0000000001040000-0x0000000001055000-memory.dmp

Filesize
84KB

Download
memory/2752-16-0x0000000001040000-0x0000000001055000-memory.dmp

Filesize
84KB

Download
memory/5040-10-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/5040-12-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/5040-11-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/5040-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads