tofsee | c9bb0f5190af364135375275be990f63233814ea6fab7ddaa4b2d21895945077

General

Target

82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe
Size

142KB
MD5

82ea87954b04fc372f6d7742c9a8c1ba
SHA1

3a5a3225a254b8439f4b47547cee90693fe54d71
SHA256

c9bb0f5190af364135375275be990f63233814ea6fab7ddaa4b2d21895945077
SHA512

98b62922cdd6fc243a4d1fe7ad2da5d71f11f8d6b92193d093dadd8cce9a240dbd5eae3b07c432c6b2ab5ff549946bc89d1bb8f025b1f409df74bcdd00f673c3
SSDEEP

3072:kO8/FLfgT6rzTkYfiL2+jKfgi4m5nuGFU6W6WNE6b3U:w9NzwFLnKP46uC

Score

10^/10

tofsee evasion execution 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\bgdtqtr = "0"	svchost.exe

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

Processes:

netsh.exe

pid process

2500 netsh.exe

pid	process
2500	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\bgdtqtr\ImagePath = "C:\\Windows\\SysWOW64\\bgdtqtr\\gdoauvz.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2348 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

gdoauvz.exe

pid process

2788 gdoauvz.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

gdoauvz.exe

description pid process target process

PID 2788 set thread context of 2348 2788 gdoauvz.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

2492 sc.exe
2452 sc.exe
2596 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2348	svchost.exe

pid	process
2788	gdoauvz.exe

description	pid	process	target process
PID 2788 set thread context of 2348	2788	gdoauvz.exe	svchost.exe

pid	process
2492	sc.exe
2452	sc.exe
2596	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exegdoauvz.exe

description	pid	process	target process
PID 2008 wrote to memory of 2812	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	cmd.exe
PID 2008 wrote to memory of 2812	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	cmd.exe
PID 2008 wrote to memory of 2812	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	cmd.exe
PID 2008 wrote to memory of 2812	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	cmd.exe
PID 2008 wrote to memory of 2552	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	cmd.exe
PID 2008 wrote to memory of 2552	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	cmd.exe
PID 2008 wrote to memory of 2552	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	cmd.exe
PID 2008 wrote to memory of 2552	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	cmd.exe
PID 2008 wrote to memory of 2492	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	sc.exe
PID 2008 wrote to memory of 2492	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	sc.exe
PID 2008 wrote to memory of 2492	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	sc.exe
PID 2008 wrote to memory of 2492	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	sc.exe
PID 2008 wrote to memory of 2452	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	sc.exe
PID 2008 wrote to memory of 2452	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	sc.exe
PID 2008 wrote to memory of 2452	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	sc.exe
PID 2008 wrote to memory of 2452	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	sc.exe
PID 2008 wrote to memory of 2596	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	sc.exe
PID 2008 wrote to memory of 2596	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	sc.exe
PID 2008 wrote to memory of 2596	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	sc.exe
PID 2008 wrote to memory of 2596	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	sc.exe
PID 2008 wrote to memory of 2500	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	netsh.exe
PID 2008 wrote to memory of 2500	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	netsh.exe
PID 2008 wrote to memory of 2500	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	netsh.exe
PID 2008 wrote to memory of 2500	2008	82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe	netsh.exe
PID 2788 wrote to memory of 2348	2788	gdoauvz.exe	svchost.exe
PID 2788 wrote to memory of 2348	2788	gdoauvz.exe	svchost.exe
PID 2788 wrote to memory of 2348	2788	gdoauvz.exe	svchost.exe
PID 2788 wrote to memory of 2348	2788	gdoauvz.exe	svchost.exe
PID 2788 wrote to memory of 2348	2788	gdoauvz.exe	svchost.exe
PID 2788 wrote to memory of 2348	2788	gdoauvz.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bgdtqtr\
2⤵
PID:2812

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gdoauvz.exe" C:\Windows\SysWOW64\bgdtqtr\
2⤵
PID:2552

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create bgdtqtr binPath= "C:\Windows\SysWOW64\bgdtqtr\gdoauvz.exe /d\"C:\Users\Admin\AppData\Local\Temp\82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2492

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description bgdtqtr "wifi internet conection"
2⤵
- Launches sc.exe
PID:2452

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start bgdtqtr
2⤵
- Launches sc.exe
PID:2596

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:2500

C:\Windows\SysWOW64\bgdtqtr\gdoauvz.exe
C:\Windows\SysWOW64\bgdtqtr\gdoauvz.exe /d"C:\Users\Admin\AppData\Local\Temp\82ea87954b04fc372f6d7742c9a8c1ba_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2788

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2348

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

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

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Downloads

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

Filesize
12.3MB

MD5
30b90c103c212d5356c3bb3668667ecf

SHA1
a48da1ad1f29393b4f42d5dfadf6017b773b22e3

SHA256
372fddb77ada78a866de6476e035aa7d389b29faab25f0b1a01a41c3a0af6bd0

SHA512
3f06da29aff3cafc3d9188a49c6f108e6834b69fba9bffe873d2aba1c80c3dc9dab26ce3308fbe1e9d4ffd5fbe4555f0d3f4722cb23ce6c169c62456738140d3

Download Submit
memory/2008-0-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2008-2-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2008-1-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2008-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2348-11-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2348-13-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2348-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2348-8-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2348-15-0x0000000000090000-0x00000000000A5000-memory.dmp

Filesize
84KB

Download
memory/2788-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2788-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads