tofsee | 410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf

General

Target

JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe
Size

235KB
MD5

a61674029b482827a782ecae5d07e051
SHA1

dfa370a71cf415dccba8d6a841c37e93e4b7f81f
SHA256

410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf
SHA512

d07695d45faf4cf7e7dfbe3ce26dc73bd74c6f73db4bcb9ae0f9f6290b0b9f4186f0a23a19a4453e32714f0b9411935ec5fbe91a0b60de6deb114c5dd0e0e410
SSDEEP

3072:0Q1c0xv9yIQYEgVLKQdo4dr/RmSw0/UOUypQchJjurk3O4N1psmetvEZe9PvL9iv:0Q1c0PegZn6G/RJxhw+P1MeZ045Fw0

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
4480	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\luarozya\ImagePath = "C:\\Windows\\SysWOW64\\luarozya\\qkgmxhzf.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe

Deletes itself 1 IoCs

pid	Process
1700	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1992	qkgmxhzf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1992 set thread context of 1700	1992	qkgmxhzf.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
2016	sc.exe
3328	sc.exe
2068	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
4084	1600	WerFault.exe	82
2568	1992	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	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	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.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	qkgmxhzf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 3728	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	83
PID 1600 wrote to memory of 3728	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	83
PID 1600 wrote to memory of 3728	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	83
PID 1600 wrote to memory of 4572	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	85
PID 1600 wrote to memory of 4572	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	85
PID 1600 wrote to memory of 4572	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	85
PID 1600 wrote to memory of 2068	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	87
PID 1600 wrote to memory of 2068	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	87
PID 1600 wrote to memory of 2068	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	87
PID 1600 wrote to memory of 2016	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	89
PID 1600 wrote to memory of 2016	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	89
PID 1600 wrote to memory of 2016	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	89
PID 1600 wrote to memory of 3328	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	92
PID 1600 wrote to memory of 3328	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	92
PID 1600 wrote to memory of 3328	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	92
PID 1600 wrote to memory of 4480	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	95
PID 1600 wrote to memory of 4480	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	95
PID 1600 wrote to memory of 4480	1600	JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe	95
PID 1992 wrote to memory of 1700	1992	qkgmxhzf.exe	101
PID 1992 wrote to memory of 1700	1992	qkgmxhzf.exe	101
PID 1992 wrote to memory of 1700	1992	qkgmxhzf.exe	101
PID 1992 wrote to memory of 1700	1992	qkgmxhzf.exe	101
PID 1992 wrote to memory of 1700	1992	qkgmxhzf.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\luarozya\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3728
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qkgmxhzf.exe" C:\Windows\SysWOW64\luarozya\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4572
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create luarozya binPath= "C:\Windows\SysWOW64\luarozya\qkgmxhzf.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2068
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description luarozya "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2016
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start luarozya
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3328
- 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:4480
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 676
  2⤵
  - Program crash
  PID:4084

C:\Windows\SysWOW64\luarozya\qkgmxhzf.exe
C:\Windows\SysWOW64\luarozya\qkgmxhzf.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_410aacb0b2a4039daf9a0620b8f5876d7d4c0aacbb986b3861423502d3c09eaf.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 536
  2⤵
  - Program crash
  PID:2568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1600 -ip 1600
1⤵
PID:740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1992 -ip 1992
1⤵
PID:4668

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\qkgmxhzf.exe

Filesize
14.5MB

MD5
8caa840e3d8e0d7e28b0bfb2b0873bfd

SHA1
e0499026d46d8a3b279acc6b6c2f0b329a6464e8

SHA256
45d5bc864962e546a8bcc20c37c7f49be5f0283bff487ee57bd4bea325fcf7a0

SHA512
9197250e45e36f6d60848de122abec5faf6e707f16df6c884eb83cb86dbe8b746d7ada0d2588f053fe8de4b981b54807dd6c7bfa342f1888e25a5552e0de3b08

Download Submit
memory/1600-9-0x00000000008E0000-0x00000000008F3000-memory.dmp

Filesize
76KB

Download
memory/1600-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1600-1-0x0000000000B00000-0x0000000000C00000-memory.dmp

Filesize
1024KB

Download
memory/1600-8-0x0000000000400000-0x000000000086A000-memory.dmp

Filesize
4.4MB

Download
memory/1600-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1600-2-0x00000000008E0000-0x00000000008F3000-memory.dmp

Filesize
76KB

Download
memory/1700-14-0x0000000001240000-0x0000000001255000-memory.dmp

Filesize
84KB

Download
memory/1700-12-0x0000000001240000-0x0000000001255000-memory.dmp

Filesize
84KB

Download
memory/1700-17-0x0000000001240000-0x0000000001255000-memory.dmp

Filesize
84KB

Download
memory/1992-11-0x0000000000400000-0x000000000086A000-memory.dmp

Filesize
4.4MB

Download
memory/1992-16-0x0000000000400000-0x000000000086A000-memory.dmp

Filesize
4.4MB

Download
memory/1992-15-0x0000000000400000-0x000000000086A000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads