tofsee | 01515a4578f9a62830c1ca7689a77537806b53493877a53aacc46279f90ad219

General

Target

fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe
Size

12.5MB
MD5

fc8a09cc8b58b2e8ccb5ceaad6f68465
SHA1

1ca93e1b4689c0397b859924ac6f56dc4544fafd
SHA256

01515a4578f9a62830c1ca7689a77537806b53493877a53aacc46279f90ad219
SHA512

55e400daa4ed27d4d7b184f750068d5fe58eedbfe1058d929698e25cf6fcee06bc65ff7ca349c22c9c3a39e357f2548b88084a7c5d9d872d9d857e1034d6872d
SSDEEP

98304:XdrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrL:X

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\xzqotywm = "0"	svchost.exe

Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2320 netsh.exe

pid	process
2320	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\xzqotywm\ImagePath = "C:\\Windows\\SysWOW64\\xzqotywm\\twcwlwhn.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2460 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

twcwlwhn.exe

pid process

2632 twcwlwhn.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

twcwlwhn.exe

description pid process target process

PID 2632 set thread context of 2460 2632 twcwlwhn.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2676 sc.exe
2392 sc.exe
2644 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2460	svchost.exe

pid	process
2632	twcwlwhn.exe

description	pid	process	target process
PID 2632 set thread context of 2460	2632	twcwlwhn.exe	svchost.exe

pid	process
2676	sc.exe
2392	sc.exe
2644	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exetwcwlwhn.exe

description	pid	process	target process
PID 2156 wrote to memory of 2228	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	cmd.exe
PID 2156 wrote to memory of 2228	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	cmd.exe
PID 2156 wrote to memory of 2228	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	cmd.exe
PID 2156 wrote to memory of 2228	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	cmd.exe
PID 2156 wrote to memory of 2516	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	cmd.exe
PID 2156 wrote to memory of 2516	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	cmd.exe
PID 2156 wrote to memory of 2516	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	cmd.exe
PID 2156 wrote to memory of 2516	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	cmd.exe
PID 2156 wrote to memory of 2676	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	sc.exe
PID 2156 wrote to memory of 2676	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	sc.exe
PID 2156 wrote to memory of 2676	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	sc.exe
PID 2156 wrote to memory of 2676	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	sc.exe
PID 2156 wrote to memory of 2392	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	sc.exe
PID 2156 wrote to memory of 2392	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	sc.exe
PID 2156 wrote to memory of 2392	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	sc.exe
PID 2156 wrote to memory of 2392	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	sc.exe
PID 2156 wrote to memory of 2644	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	sc.exe
PID 2156 wrote to memory of 2644	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	sc.exe
PID 2156 wrote to memory of 2644	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	sc.exe
PID 2156 wrote to memory of 2644	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	sc.exe
PID 2156 wrote to memory of 2320	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	netsh.exe
PID 2156 wrote to memory of 2320	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	netsh.exe
PID 2156 wrote to memory of 2320	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	netsh.exe
PID 2156 wrote to memory of 2320	2156	fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe	netsh.exe
PID 2632 wrote to memory of 2460	2632	twcwlwhn.exe	svchost.exe
PID 2632 wrote to memory of 2460	2632	twcwlwhn.exe	svchost.exe
PID 2632 wrote to memory of 2460	2632	twcwlwhn.exe	svchost.exe
PID 2632 wrote to memory of 2460	2632	twcwlwhn.exe	svchost.exe
PID 2632 wrote to memory of 2460	2632	twcwlwhn.exe	svchost.exe
PID 2632 wrote to memory of 2460	2632	twcwlwhn.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2156

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xzqotywm\
2⤵
PID:2228

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\twcwlwhn.exe" C:\Windows\SysWOW64\xzqotywm\
2⤵
PID:2516

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create xzqotywm binPath= "C:\Windows\SysWOW64\xzqotywm\twcwlwhn.exe /d\"C:\Users\Admin\AppData\Local\Temp\fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2676

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description xzqotywm "wifi internet conection"
2⤵
- Launches sc.exe
PID:2392

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start xzqotywm
2⤵
- Launches sc.exe
PID:2644

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
PID:2320

C:\Windows\SysWOW64\xzqotywm\twcwlwhn.exe
C:\Windows\SysWOW64\xzqotywm\twcwlwhn.exe /d"C:\Users\Admin\AppData\Local\Temp\fc8a09cc8b58b2e8ccb5ceaad6f68465_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2632

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
12.0MB

MD5
1574e6ed4287dd24f3d2a59bfa8f555f

SHA1
948448fd7aada989b270136ae235669300d82554

SHA256
0703b2b5a77f2e9ae91cfa46f41e54aad5d5e7d99b2d76995dc8e0a049626ce4

SHA512
2a04701aea89abcedf3cddb53843e87c5b99626c5cccadf0040eccb882a941bd928a3e0a7e3954556a8fdc2b9c03d2360e08ef4252173763f7531ba8923d7d64

Download Submit
memory/2156-2-0x00000000003C0000-0x00000000003D3000-memory.dmp

Filesize
76KB

Download
memory/2156-1-0x00000000008F0000-0x00000000009F0000-memory.dmp

Filesize
1024KB

Download
memory/2156-4-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/2156-7-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/2460-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2460-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2460-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2460-19-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2460-20-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2460-21-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2632-12-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download
memory/2632-9-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/2632-16-0x0000000000400000-0x00000000004A5000-memory.dmp

Filesize
660KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads