tofsee | 6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2

General

Target

JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe
Size

299KB
MD5

9454fbf180ed335a5499cd841784bbc4
SHA1

7b385037ceef8e6bc0f319fad954e7769e4689fc
SHA256

6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2
SHA512

2610fd4b948ad79f5f2256bdde3439cc39b76603c7e5edb92ebe4601b368dd74d7d8b7b1bb6fbed62c9a4999d7ef70c8c6d75486347cbe7b2e68a7eadafea9f3
SSDEEP

6144:EpE3/vjto7fBz+ofNp0enjF37k90jQ6y6QOqLOR:EUnj4Zzdp0enRk90jQcQOQM

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

parubey.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
4708	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\dzozjicb\ImagePath = "C:\\Windows\\SysWOW64\\dzozjicb\\gxlivbe.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_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe

Deletes itself 1 IoCs

pid	Process
4060	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
936	gxlivbe.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 936 set thread context of 4060	936	gxlivbe.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
3604	sc.exe
4992	sc.exe
3856	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
840	2276	WerFault.exe	82
2524	936	WerFault.exe	93

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	svchost.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	gxlivbe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 3792	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	83
PID 2276 wrote to memory of 3792	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	83
PID 2276 wrote to memory of 3792	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	83
PID 2276 wrote to memory of 3564	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	85
PID 2276 wrote to memory of 3564	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	85
PID 2276 wrote to memory of 3564	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	85
PID 2276 wrote to memory of 4992	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	87
PID 2276 wrote to memory of 4992	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	87
PID 2276 wrote to memory of 4992	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	87
PID 2276 wrote to memory of 3856	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	89
PID 2276 wrote to memory of 3856	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	89
PID 2276 wrote to memory of 3856	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	89
PID 2276 wrote to memory of 3604	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	91
PID 2276 wrote to memory of 3604	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	91
PID 2276 wrote to memory of 3604	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	91
PID 2276 wrote to memory of 4708	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	94
PID 2276 wrote to memory of 4708	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	94
PID 2276 wrote to memory of 4708	2276	JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe	94
PID 936 wrote to memory of 4060	936	gxlivbe.exe	100
PID 936 wrote to memory of 4060	936	gxlivbe.exe	100
PID 936 wrote to memory of 4060	936	gxlivbe.exe	100
PID 936 wrote to memory of 4060	936	gxlivbe.exe	100
PID 936 wrote to memory of 4060	936	gxlivbe.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dzozjicb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gxlivbe.exe" C:\Windows\SysWOW64\dzozjicb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3564
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dzozjicb binPath= "C:\Windows\SysWOW64\dzozjicb\gxlivbe.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4992
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dzozjicb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3856
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dzozjicb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3604
- 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:4708
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 1032
  2⤵
  - Program crash
  PID:840

C:\Windows\SysWOW64\dzozjicb\gxlivbe.exe
C:\Windows\SysWOW64\dzozjicb\gxlivbe.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6fe5a2468f7bbeeefe3f4d9fd050dd084b52ea280616df2154f355abafc73fc2.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:936
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4060
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 276
  2⤵
  - Program crash
  PID:2524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2276 -ip 2276
1⤵
PID:1772

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 936 -ip 936
1⤵
PID:4732

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\gxlivbe.exe

Filesize
14.9MB

MD5
2fde0babf2daae3d12881bcc60d21a76

SHA1
32528b588fd13d76936699c916838967d6ab7a80

SHA256
ad9d0520474ddde6ebbc9918a6c209b58700f32f8138d134733a1fb4b627fdef

SHA512
674483773cdd7944a7306532f46045f3ec4944ea3cf29029abab79486af551a39b66de0f91d5e98e8fa22c0372a76b9f81edbd5cc2ce46adcf293f1591d230dd

Download Submit
memory/936-13-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/936-11-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/936-12-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/936-19-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2276-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2276-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2276-8-0x00000000001E0000-0x00000000001F3000-memory.dmp

Filesize
76KB

Download
memory/2276-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2276-7-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/2276-2-0x00000000001E0000-0x00000000001F3000-memory.dmp

Filesize
76KB

Download
memory/4060-14-0x0000000000630000-0x0000000000645000-memory.dmp

Filesize
84KB

Download
memory/4060-16-0x0000000000630000-0x0000000000645000-memory.dmp

Filesize
84KB

Download
memory/4060-17-0x0000000000630000-0x0000000000645000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads