tofsee | 15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd

General

Target

JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe
Size

284KB
MD5

b41df6042d7fcfdc9bbfe3922271433f
SHA1

986f1a17abc590ae702349ea8685d11c2ec27dd7
SHA256

15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd
SHA512

7076d94049a6b90e9e91ef486b0ed8d94108e26d520af6a8ac9de8e1b82706b0d01f1cab9e256c911e03e70e71bd370bffa3652cdc78af4756b28a7f47b77e1b
SSDEEP

3072:H5yVL6SVHvyADnC4b1/w3Rf9qcRT9S20kesJ/MpKaVPmpujX1BWRQdmRfzt:ZyVGSBDnp1/wBfw42fVPwujWQd6f

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

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
2856	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\rhqpcpzi\ImagePath = "C:\\Windows\\SysWOW64\\rhqpcpzi\\qcjdiobj.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe

Deletes itself 1 IoCs

pid	Process
2032	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1924	qcjdiobj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1924 set thread context of 2032	1924	qcjdiobj.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
2072	sc.exe
2960	sc.exe
4448	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
2844	552	WerFault.exe	82
772	1924	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qcjdiobj.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 4204	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	83
PID 552 wrote to memory of 4204	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	83
PID 552 wrote to memory of 4204	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	83
PID 552 wrote to memory of 1604	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	85
PID 552 wrote to memory of 1604	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	85
PID 552 wrote to memory of 1604	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	85
PID 552 wrote to memory of 2072	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	87
PID 552 wrote to memory of 2072	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	87
PID 552 wrote to memory of 2072	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	87
PID 552 wrote to memory of 2960	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	89
PID 552 wrote to memory of 2960	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	89
PID 552 wrote to memory of 2960	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	89
PID 552 wrote to memory of 4448	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	91
PID 552 wrote to memory of 4448	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	91
PID 552 wrote to memory of 4448	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	91
PID 552 wrote to memory of 2856	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	94
PID 552 wrote to memory of 2856	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	94
PID 552 wrote to memory of 2856	552	JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe	94
PID 1924 wrote to memory of 2032	1924	qcjdiobj.exe	100
PID 1924 wrote to memory of 2032	1924	qcjdiobj.exe	100
PID 1924 wrote to memory of 2032	1924	qcjdiobj.exe	100
PID 1924 wrote to memory of 2032	1924	qcjdiobj.exe	100
PID 1924 wrote to memory of 2032	1924	qcjdiobj.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:552
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rhqpcpzi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4204
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qcjdiobj.exe" C:\Windows\SysWOW64\rhqpcpzi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1604
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rhqpcpzi binPath= "C:\Windows\SysWOW64\rhqpcpzi\qcjdiobj.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2072
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rhqpcpzi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2960
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start rhqpcpzi
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4448
- 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:2856
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 552 -s 788
  2⤵
  - Program crash
  PID:2844

C:\Windows\SysWOW64\rhqpcpzi\qcjdiobj.exe
C:\Windows\SysWOW64\rhqpcpzi\qcjdiobj.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_15a870eac6cb77d63baeff768f82161e6e78fd82043c4b78baf7f7ff5b8513dd.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2032
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 536
  2⤵
  - Program crash
  PID:772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 552 -ip 552
1⤵
PID:5036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1924 -ip 1924
1⤵
PID:764

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\qcjdiobj.exe

Filesize
11.8MB

MD5
8db8c7168808bb6b20e2951eff386d06

SHA1
481b9528b93dd2ae6cfc01999e87cacb31925378

SHA256
f8ced91b12323a305c7a8c67125ea42eb1d618ab990f28c00fc6c7e0abef3d91

SHA512
921574b559610849f94c6a065411d577455126ed180cb3c2ad908c3122bea43b729ac211f2b4d695b0b443e9a11feb0d5d86a35c8b05b65dea7fa9b7022e02a7

Download Submit
memory/552-1-0x0000000002C40000-0x0000000002D40000-memory.dmp

Filesize
1024KB

Download
memory/552-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/552-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/552-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/552-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/552-8-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/1924-15-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/2032-11-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/2032-13-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download
memory/2032-14-0x0000000001280000-0x0000000001295000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads