tofsee | cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559

General

Target

JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe
Size

136KB
MD5

9b65a7119b0bca572ee813bf80b152ef
SHA1

34f024ed899317f7b46d61e186d9ad4be7d0e813
SHA256

cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559
SHA512

44a87588436df80884c5ddb95b762febe66ded454ce2310d1bfb249ba89d79014dd39b89ed1eb0d9d7e8be8cc1ffa655ee60eb74e7f2a3f4df9abb408bf6f3af
SSDEEP

1536:TL0xHUcaPRbcisykYAoVIdZaR7ykf0TSRpoF2I6NHujdKAJGWa0XZ6E/9nD5zB/J:naiIiJAYPf06NO/JPa0p64JD5zJoYQ

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
872	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\fovkhpks\ImagePath = "C:\\Windows\\SysWOW64\\fovkhpks\\twupjqak.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe

Deletes itself 1 IoCs

pid	Process
2560	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4980	twupjqak.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4980 set thread context of 2560	4980	twupjqak.exe	99

Launches sc.exe 3 IoCs

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

pid	Process
2760	sc.exe
2764	sc.exe
3044	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	twupjqak.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 2812	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	82
PID 4504 wrote to memory of 2812	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	82
PID 4504 wrote to memory of 2812	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	82
PID 4504 wrote to memory of 3924	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	84
PID 4504 wrote to memory of 3924	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	84
PID 4504 wrote to memory of 3924	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	84
PID 4504 wrote to memory of 2760	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	86
PID 4504 wrote to memory of 2760	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	86
PID 4504 wrote to memory of 2760	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	86
PID 4504 wrote to memory of 2764	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	88
PID 4504 wrote to memory of 2764	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	88
PID 4504 wrote to memory of 2764	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	88
PID 4504 wrote to memory of 3044	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	90
PID 4504 wrote to memory of 3044	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	90
PID 4504 wrote to memory of 3044	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	90
PID 4504 wrote to memory of 872	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	95
PID 4504 wrote to memory of 872	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	95
PID 4504 wrote to memory of 872	4504	JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe	95
PID 4980 wrote to memory of 2560	4980	twupjqak.exe	99
PID 4980 wrote to memory of 2560	4980	twupjqak.exe	99
PID 4980 wrote to memory of 2560	4980	twupjqak.exe	99
PID 4980 wrote to memory of 2560	4980	twupjqak.exe	99
PID 4980 wrote to memory of 2560	4980	twupjqak.exe	99

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4504
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fovkhpks\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\twupjqak.exe" C:\Windows\SysWOW64\fovkhpks\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3924
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create fovkhpks binPath= "C:\Windows\SysWOW64\fovkhpks\twupjqak.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description fovkhpks "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2764
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start fovkhpks
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3044
- 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:872

C:\Windows\SysWOW64\fovkhpks\twupjqak.exe
C:\Windows\SysWOW64\fovkhpks\twupjqak.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd23cbd1e13b53d1932af8dbd1a93718edb9efaf6fde950c1fe380764f464559.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4980
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2560

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\twupjqak.exe

Filesize
10.6MB

MD5
a01b599a648f00cfb229e05f0fdcad52

SHA1
a101989ec553f5f331b1a67edb8107cd9bb0a8c3

SHA256
dd58d4e48a2ef8cdc5ef2c0057202d25c9631c209d252d6d0640d278a6bd0d71

SHA512
26b48d51f0bc4d9bba0969cfeb7bbf86821297b309710f15ad7869a6c59279fab7555c3586599cc1b626847794a487b1ed18a5c6aa479ab53aa132a8b47705cc

Download Submit
memory/2560-14-0x0000000000520000-0x0000000000535000-memory.dmp

Filesize
84KB

Download
memory/2560-19-0x0000000000520000-0x0000000000535000-memory.dmp

Filesize
84KB

Download
memory/2560-18-0x0000000000520000-0x0000000000535000-memory.dmp

Filesize
84KB

Download
memory/4504-8-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4504-9-0x00000000005D0000-0x00000000005E3000-memory.dmp

Filesize
76KB

Download
memory/4504-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/4504-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4504-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4504-2-0x00000000005D0000-0x00000000005E3000-memory.dmp

Filesize
76KB

Download
memory/4980-11-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4980-13-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4980-12-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/4980-16-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads