tofsee | 8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937

General

Target

JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe
Size

234KB
MD5

5722b3f6ae81d9b1578fcc798063b345
SHA1

f88b48d57a4452b53f0752e7514fdea6072f4b57
SHA256

8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937
SHA512

e33bf3a8d3872eb917a6895ed2f53b22216d558abf561a9cbba6defba7ec4c6e3a9d5798fe4f2e35813f3fad699787598a3b44be19eba3d086ecff75cd95914f
SSDEEP

6144:Poi7E6trwhkr0QGcZHb8S68vy3fMw6S65:Px7E6trwi0QGchG0uMwO

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
2212	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\mpxiidgf\ImagePath = "C:\\Windows\\SysWOW64\\mpxiidgf\\gajtgjoa.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe

Deletes itself 1 IoCs

pid	Process
724	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2040	gajtgjoa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2040 set thread context of 724	2040	gajtgjoa.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
1436	sc.exe
2228	sc.exe
1804	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
3128	2516	WerFault.exe	82
3360	2040	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	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.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	gajtgjoa.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 1840	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	83
PID 2516 wrote to memory of 1840	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	83
PID 2516 wrote to memory of 1840	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	83
PID 2516 wrote to memory of 228	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	85
PID 2516 wrote to memory of 228	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	85
PID 2516 wrote to memory of 228	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	85
PID 2516 wrote to memory of 2228	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	87
PID 2516 wrote to memory of 2228	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	87
PID 2516 wrote to memory of 2228	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	87
PID 2516 wrote to memory of 1804	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	89
PID 2516 wrote to memory of 1804	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	89
PID 2516 wrote to memory of 1804	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	89
PID 2516 wrote to memory of 1436	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	91
PID 2516 wrote to memory of 1436	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	91
PID 2516 wrote to memory of 1436	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	91
PID 2516 wrote to memory of 2212	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	94
PID 2516 wrote to memory of 2212	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	94
PID 2516 wrote to memory of 2212	2516	JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe	94
PID 2040 wrote to memory of 724	2040	gajtgjoa.exe	100
PID 2040 wrote to memory of 724	2040	gajtgjoa.exe	100
PID 2040 wrote to memory of 724	2040	gajtgjoa.exe	100
PID 2040 wrote to memory of 724	2040	gajtgjoa.exe	100
PID 2040 wrote to memory of 724	2040	gajtgjoa.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mpxiidgf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1840
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gajtgjoa.exe" C:\Windows\SysWOW64\mpxiidgf\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:228
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mpxiidgf binPath= "C:\Windows\SysWOW64\mpxiidgf\gajtgjoa.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2228
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mpxiidgf "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mpxiidgf
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1436
- 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:2212
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 1040
  2⤵
  - Program crash
  PID:3128

C:\Windows\SysWOW64\mpxiidgf\gajtgjoa.exe
C:\Windows\SysWOW64\mpxiidgf\gajtgjoa.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8ce1a5b895ecaca526fa22d661a99b5b3fd0c125fb778ce2896946201717e937.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:724
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 540
  2⤵
  - Program crash
  PID:3360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2516 -ip 2516
1⤵
PID:4788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2040 -ip 2040
1⤵
PID:3752

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\gajtgjoa.exe

Filesize
12.5MB

MD5
54451ce5208173c842a7cbc10c7956be

SHA1
d843f6a664a00116514d8937f499a1acf87ff0c2

SHA256
a0febff43f5509b5a9aa3d4d38fda375c22c60e5fd5d5f09e3cb454e9cc03af4

SHA512
421c4eea91db263913243e6ee6c295172fc28e84fcaf0cf9de19eb05b462534256ddfe7a979042a12b00f26a63aa2d9b3c2308bb3107acfe135c96c091f1a1ac

Download Submit
memory/724-15-0x0000000000B50000-0x0000000000B65000-memory.dmp

Filesize
84KB

Download
memory/724-12-0x0000000000B50000-0x0000000000B65000-memory.dmp

Filesize
84KB

Download
memory/724-17-0x0000000000B50000-0x0000000000B65000-memory.dmp

Filesize
84KB

Download
memory/2040-11-0x0000000000400000-0x000000000086A000-memory.dmp

Filesize
4.4MB

Download
memory/2040-16-0x0000000000400000-0x000000000086A000-memory.dmp

Filesize
4.4MB

Download
memory/2040-13-0x0000000000400000-0x000000000086A000-memory.dmp

Filesize
4.4MB

Download
memory/2516-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2516-2-0x00000000009C0000-0x00000000009D3000-memory.dmp

Filesize
76KB

Download
memory/2516-8-0x0000000000400000-0x000000000086A000-memory.dmp

Filesize
4.4MB

Download
memory/2516-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2516-9-0x00000000009C0000-0x00000000009D3000-memory.dmp

Filesize
76KB

Download
memory/2516-1-0x00000000009F0000-0x0000000000AF0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads