tofsee | f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc

General

Target

JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe
Size

284KB
MD5

ca7aeb5a60acae0c31c9b4ffc9cf6f60
SHA1

93fcd9eecf5084833b2cdbedd02af968e0575e11
SHA256

f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc
SHA512

4199d53ab4af5f821c11052647d821989f1f1c8b496ef45bc5cbbd4b8cfdd181749dc9b5d117ef3903c519717fdeb8a4d6cbe4fbc02c36a28313c6168a1f3e61
SSDEEP

6144:DTvrK2Wzs8ivE1bJ0PcmeovHM9c+S7pZt:HjK28OvSN0Pcmeooc+Sh

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
4616	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\djrqnyxq\ImagePath = "C:\\Windows\\SysWOW64\\djrqnyxq\\qvusioxm.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_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe

Deletes itself 1 IoCs

pid	Process
3504	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1388	qvusioxm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1388 set thread context of 3504	1388	qvusioxm.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
2440	sc.exe
1608	sc.exe
4800	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
1740	964	WerFault.exe	82
3136	1388	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	qvusioxm.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_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 5056	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	83
PID 964 wrote to memory of 5056	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	83
PID 964 wrote to memory of 5056	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	83
PID 964 wrote to memory of 2648	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	85
PID 964 wrote to memory of 2648	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	85
PID 964 wrote to memory of 2648	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	85
PID 964 wrote to memory of 4800	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	87
PID 964 wrote to memory of 4800	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	87
PID 964 wrote to memory of 4800	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	87
PID 964 wrote to memory of 2440	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	89
PID 964 wrote to memory of 2440	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	89
PID 964 wrote to memory of 2440	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	89
PID 964 wrote to memory of 1608	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	91
PID 964 wrote to memory of 1608	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	91
PID 964 wrote to memory of 1608	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	91
PID 964 wrote to memory of 4616	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	94
PID 964 wrote to memory of 4616	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	94
PID 964 wrote to memory of 4616	964	JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe	94
PID 1388 wrote to memory of 3504	1388	qvusioxm.exe	100
PID 1388 wrote to memory of 3504	1388	qvusioxm.exe	100
PID 1388 wrote to memory of 3504	1388	qvusioxm.exe	100
PID 1388 wrote to memory of 3504	1388	qvusioxm.exe	100
PID 1388 wrote to memory of 3504	1388	qvusioxm.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:964
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\djrqnyxq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qvusioxm.exe" C:\Windows\SysWOW64\djrqnyxq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2648
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create djrqnyxq binPath= "C:\Windows\SysWOW64\djrqnyxq\qvusioxm.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4800
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description djrqnyxq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2440
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start djrqnyxq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1608
- 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:4616
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 1044
  2⤵
  - Program crash
  PID:1740

C:\Windows\SysWOW64\djrqnyxq\qvusioxm.exe
C:\Windows\SysWOW64\djrqnyxq\qvusioxm.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f6089f378dcc826700f20097cb4f1a00fb4d22c9fe40869b7aede2f29d3e4cdc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1388
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3504
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 508
  2⤵
  - Program crash
  PID:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 964 -ip 964
1⤵
PID:3916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1388 -ip 1388
1⤵
PID:4696

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\qvusioxm.exe

Filesize
12.9MB

MD5
bb7f4c6ce5cac03d2cde61765db33c73

SHA1
a008dfef9f90fce209a627beb9d50b5c2d5e4985

SHA256
ad41f38712dc18492310ed1e71f8e0a6be4d2459ff79a9124dd4e4a709e4c54e

SHA512
1d889f8e32d549e8a0dccc440e5bc99de407aa4382dc78b639843cc6eee30922824c8d296efc53673540c6306551d19baa2c84c0067d5cb3653796e47f9b4710

Download Submit
memory/964-1-0x0000000002E90000-0x0000000002F90000-memory.dmp

Filesize
1024KB

Download
memory/964-2-0x0000000002C90000-0x0000000002CA3000-memory.dmp

Filesize
76KB

Download
memory/964-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/964-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/964-8-0x0000000002C90000-0x0000000002CA3000-memory.dmp

Filesize
76KB

Download
memory/964-7-0x0000000000400000-0x0000000002B3F000-memory.dmp

Filesize
39.2MB

Download
memory/1388-15-0x0000000000400000-0x0000000002B3F000-memory.dmp

Filesize
39.2MB

Download
memory/3504-11-0x00000000002D0000-0x00000000002E5000-memory.dmp

Filesize
84KB

Download
memory/3504-13-0x00000000002D0000-0x00000000002E5000-memory.dmp

Filesize
84KB

Download
memory/3504-14-0x00000000002D0000-0x00000000002E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads