tofsee | 696ba220cd5d19564f0fc05692cdd5a0f0ba2d73ea616c4bc1c49eacbf710f40

General

Target

7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe
Size

11.4MB
MD5

7ac7e3c5e937ec52217f11f08670f74b
SHA1

2d06048a68a5a6cd48f956645e4d101a2b5b76b5
SHA256

696ba220cd5d19564f0fc05692cdd5a0f0ba2d73ea616c4bc1c49eacbf710f40
SHA512

00206814babfb2df3c2a71173159509c30b27dc1f3a578d18e76b26cf3690e1fbfdc3e165abb5f32813c4ad2ef3247a7aa2bce21414d185f0f249cc07cbdcc3e
SSDEEP

3072:0rLSAaIXFM9X/WWIyOEfEDQMZWecFKmZ:aNWktyH9V

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.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
4296	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\qkrgtbr\ImagePath = "C:\\Windows\\SysWOW64\\qkrgtbr\\ppouftad.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	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3200	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4008	ppouftad.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4008 set thread context of 3200	4008	ppouftad.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
2284	sc.exe
4276	sc.exe
452	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

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	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.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	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	ppouftad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 3556	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	87
PID 5064 wrote to memory of 3556	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	87
PID 5064 wrote to memory of 3556	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	87
PID 5064 wrote to memory of 1924	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	89
PID 5064 wrote to memory of 1924	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	89
PID 5064 wrote to memory of 1924	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	89
PID 5064 wrote to memory of 4276	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	91
PID 5064 wrote to memory of 4276	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	91
PID 5064 wrote to memory of 4276	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	91
PID 5064 wrote to memory of 452	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	93
PID 5064 wrote to memory of 452	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	93
PID 5064 wrote to memory of 452	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	93
PID 5064 wrote to memory of 2284	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	95
PID 5064 wrote to memory of 2284	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	95
PID 5064 wrote to memory of 2284	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	95
PID 5064 wrote to memory of 4296	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	100
PID 5064 wrote to memory of 4296	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	100
PID 5064 wrote to memory of 4296	5064	7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe	100
PID 4008 wrote to memory of 3200	4008	ppouftad.exe	102
PID 4008 wrote to memory of 3200	4008	ppouftad.exe	102
PID 4008 wrote to memory of 3200	4008	ppouftad.exe	102
PID 4008 wrote to memory of 3200	4008	ppouftad.exe	102
PID 4008 wrote to memory of 3200	4008	ppouftad.exe	102

C:\Users\Admin\AppData\Local\Temp\7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qkrgtbr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3556
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ppouftad.exe" C:\Windows\SysWOW64\qkrgtbr\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1924
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qkrgtbr binPath= "C:\Windows\SysWOW64\qkrgtbr\ppouftad.exe /d\"C:\Users\Admin\AppData\Local\Temp\7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4276
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qkrgtbr "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:452
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qkrgtbr
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2284
- 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:4296

C:\Windows\SysWOW64\qkrgtbr\ppouftad.exe
C:\Windows\SysWOW64\qkrgtbr\ppouftad.exe /d"C:\Users\Admin\AppData\Local\Temp\7ac7e3c5e937ec52217f11f08670f74b_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4008
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3200

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\ppouftad.exe

Filesize
13.9MB

MD5
634817c283afb948a18c74aee95c8520

SHA1
cdb191a525c128421177f46ae74e088679117b7e

SHA256
b32a09936c996e96dc668f0ffd9586a2998ba2b4ffb401f497c0fa531f18f32c

SHA512
27e6d328654c135113bec803ca7215720d6e5b0a4d8b8ba0571d334353420d73f7682a0c916bebffbb24db5613d57f9c8d7e5e9c7904aad8701e205c9d140c2f

Download Submit
memory/3200-13-0x00000000003A0000-0x00000000003B5000-memory.dmp

Filesize
84KB

Download
memory/3200-10-0x00000000003A0000-0x00000000003B5000-memory.dmp

Filesize
84KB

Download
memory/3200-16-0x00000000003A0000-0x00000000003B5000-memory.dmp

Filesize
84KB

Download
memory/3200-17-0x00000000003A0000-0x00000000003B5000-memory.dmp

Filesize
84KB

Download
memory/3200-18-0x00000000003A0000-0x00000000003B5000-memory.dmp

Filesize
84KB

Download
memory/4008-6-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/4008-14-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5064-2-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/5064-1-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5064-8-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5064-9-0x000000005F000000-0x000000005F011000-memory.dmp

Filesize
68KB

Download
memory/5064-0-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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