tofsee | 8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801

General

Target

JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe
Size

209KB
MD5

cb2412d7c6cd6d8b942361f482655a4b
SHA1

ce43dc2225354f5536b795ae307f1a7381c2e566
SHA256

8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801
SHA512

67332318a7eee352b1fe4fbe8455ac2841b233257103391b72fa6859affc724e9f8c508c055780e68c681567e74e104c572f2b90240c84000793a2c9f0244305
SSDEEP

3072:b2YQLjHQky1hGAZtL+w5ayXJ5hKDmgqjghsZVggjcGkNIVqIc52:b2YQLc1hVZtawXNxb7ITsqy

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

mubrikych.top

oxxyfix.xyz

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
2112	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\xxrnyidl\ImagePath = "C:\\Windows\\SysWOW64\\xxrnyidl\\akypsfcr.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	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe

Deletes itself 1 IoCs

pid	Process
232	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1152	akypsfcr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1152 set thread context of 232	1152	akypsfcr.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
3788	sc.exe
716	sc.exe
1576	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
1968	3260	WerFault.exe	81
4156	1152	WerFault.exe	92

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	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_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.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	akypsfcr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 2932	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	82
PID 3260 wrote to memory of 2932	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	82
PID 3260 wrote to memory of 2932	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	82
PID 3260 wrote to memory of 5000	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	84
PID 3260 wrote to memory of 5000	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	84
PID 3260 wrote to memory of 5000	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	84
PID 3260 wrote to memory of 3788	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	86
PID 3260 wrote to memory of 3788	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	86
PID 3260 wrote to memory of 3788	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	86
PID 3260 wrote to memory of 716	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	88
PID 3260 wrote to memory of 716	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	88
PID 3260 wrote to memory of 716	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	88
PID 3260 wrote to memory of 1576	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	90
PID 3260 wrote to memory of 1576	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	90
PID 3260 wrote to memory of 1576	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	90
PID 3260 wrote to memory of 2112	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	93
PID 3260 wrote to memory of 2112	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	93
PID 3260 wrote to memory of 2112	3260	JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe	93
PID 1152 wrote to memory of 232	1152	akypsfcr.exe	98
PID 1152 wrote to memory of 232	1152	akypsfcr.exe	98
PID 1152 wrote to memory of 232	1152	akypsfcr.exe	98
PID 1152 wrote to memory of 232	1152	akypsfcr.exe	98
PID 1152 wrote to memory of 232	1152	akypsfcr.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xxrnyidl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2932
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\akypsfcr.exe" C:\Windows\SysWOW64\xxrnyidl\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5000
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xxrnyidl binPath= "C:\Windows\SysWOW64\xxrnyidl\akypsfcr.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3788
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xxrnyidl "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:716
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xxrnyidl
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1576
- 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:2112
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 1252
  2⤵
  - Program crash
  PID:1968

C:\Windows\SysWOW64\xxrnyidl\akypsfcr.exe
C:\Windows\SysWOW64\xxrnyidl\akypsfcr.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8450ef674fd0c90136e6cdd810d510ade0cbb8d60b4a47ed563d3c9a0a14a801.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:232
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1152 -s 532
  2⤵
  - Program crash
  PID:4156

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3260 -ip 3260
1⤵
PID:2180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1152 -ip 1152
1⤵
PID:4176

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\akypsfcr.exe

Filesize
14.2MB

MD5
1b4c8d52822b7f56ff7106af270818e2

SHA1
bc084321679725710a540ac728d88f14f502fc38

SHA256
35607197c5bffea63b7df7c9aa7559dd095c3e14dae1f28c0fc9e981fe37eaa4

SHA512
8d69f52e0dbfa3d3f9943d074a81732fa397ab2d653e611bcc558e4f4c5c119e92ab3617e1d5224a6a9d6c6a06e50a654b821dc5b172758bd114ebe239f4e1a0

Download Submit
memory/232-12-0x0000000000EC0000-0x0000000000ED5000-memory.dmp

Filesize
84KB

Download
memory/232-15-0x0000000000EC0000-0x0000000000ED5000-memory.dmp

Filesize
84KB

Download
memory/232-14-0x0000000000EC0000-0x0000000000ED5000-memory.dmp

Filesize
84KB

Download
memory/1152-10-0x0000000000400000-0x0000000000825000-memory.dmp

Filesize
4.1MB

Download
memory/1152-11-0x0000000000400000-0x0000000000825000-memory.dmp

Filesize
4.1MB

Download
memory/1152-17-0x0000000000400000-0x0000000000825000-memory.dmp

Filesize
4.1MB

Download
memory/3260-8-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/3260-7-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/3260-6-0x0000000000400000-0x0000000000825000-memory.dmp

Filesize
4.1MB

Download
memory/3260-0-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/3260-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3260-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3260-1-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads