tofsee | fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb

General

Target

JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe
Size

187KB
MD5

d4e72c3cedb1d55b2e305c35bab67f9b
SHA1

fd954e6d944b39bf3696c3fc358ea97c76165e47
SHA256

fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb
SHA512

86b31e0e3930a427b549951476ae010b2d9632ff2c651798f50c6964a432741189b88a424d53e84ac8ebd0cd26219935ad61c48f5245ba0871be0fdf5205ff1f
SSDEEP

3072:F7IjKaF6/lWkDI90YEM/ToigZzx0cBapZa9uD6Vdyhkp:4KaF6/lWkDtLNi20cBawVf

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
2356	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\xlqhkmul\ImagePath = "C:\\Windows\\SysWOW64\\xlqhkmul\\hrwjqlkz.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe

Deletes itself 1 IoCs

pid	Process
3592	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3020	hrwjqlkz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3020 set thread context of 3592	3020	hrwjqlkz.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
3748	sc.exe
3024	sc.exe
1116	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	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hrwjqlkz.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3964 wrote to memory of 4656	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	82
PID 3964 wrote to memory of 4656	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	82
PID 3964 wrote to memory of 4656	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	82
PID 3964 wrote to memory of 2688	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	84
PID 3964 wrote to memory of 2688	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	84
PID 3964 wrote to memory of 2688	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	84
PID 3964 wrote to memory of 3024	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	86
PID 3964 wrote to memory of 3024	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	86
PID 3964 wrote to memory of 3024	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	86
PID 3964 wrote to memory of 1116	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	88
PID 3964 wrote to memory of 1116	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	88
PID 3964 wrote to memory of 1116	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	88
PID 3964 wrote to memory of 3748	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	90
PID 3964 wrote to memory of 3748	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	90
PID 3964 wrote to memory of 3748	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	90
PID 3964 wrote to memory of 2356	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	93
PID 3964 wrote to memory of 2356	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	93
PID 3964 wrote to memory of 2356	3964	JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe	93
PID 3020 wrote to memory of 3592	3020	hrwjqlkz.exe	95
PID 3020 wrote to memory of 3592	3020	hrwjqlkz.exe	95
PID 3020 wrote to memory of 3592	3020	hrwjqlkz.exe	95
PID 3020 wrote to memory of 3592	3020	hrwjqlkz.exe	95
PID 3020 wrote to memory of 3592	3020	hrwjqlkz.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3964
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xlqhkmul\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4656
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hrwjqlkz.exe" C:\Windows\SysWOW64\xlqhkmul\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xlqhkmul binPath= "C:\Windows\SysWOW64\xlqhkmul\hrwjqlkz.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3024
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xlqhkmul "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1116
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xlqhkmul
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3748
- 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:2356

C:\Windows\SysWOW64\xlqhkmul\hrwjqlkz.exe
C:\Windows\SysWOW64\xlqhkmul\hrwjqlkz.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fda9c52e5f041eb6319b4cdbb40394f2bd79fa874c08b64dd7a263ec4e2787cb.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3592

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\hrwjqlkz.exe

Filesize
14.2MB

MD5
87d5f3617902224298140178768c3ef5

SHA1
d73ef83333dd5b065bf820c8954d8bd659b2e832

SHA256
933970dd04414f75dd42b98a466fc81ed8dc1f2c70be2c663a812a50f43eb666

SHA512
4b91d70b4ad745d0d286212d77a883d8c582525f0e72826bd47ef70e498231f822597d5b577fd596d1d8d253f2aa00e3e798f323a2861002d7f0e169bed0f3ad

Download Submit
memory/3020-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3020-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3020-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3020-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3592-13-0x0000000000D30000-0x0000000000D45000-memory.dmp

Filesize
84KB

Download
memory/3592-17-0x0000000000D30000-0x0000000000D45000-memory.dmp

Filesize
84KB

Download
memory/3592-18-0x0000000000D30000-0x0000000000D45000-memory.dmp

Filesize
84KB

Download
memory/3964-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3964-7-0x00000000005D0000-0x00000000005DD000-memory.dmp

Filesize
52KB

Download
memory/3964-8-0x0000000000700000-0x0000000000713000-memory.dmp

Filesize
76KB

Download
memory/3964-0-0x00000000005D0000-0x00000000005DD000-memory.dmp

Filesize
52KB

Download
memory/3964-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3964-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3964-1-0x0000000000700000-0x0000000000713000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads