tofsee | cd1884569279f983b5b2be0ed933b1350cd7380ae47c2f57a6e25783cf6bd779

General

Target

d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe
Size

82KB
MD5

d94ee1c68667971dbc94fa29a51425bd
SHA1

8fa0e5886c13ea08ce3985ce86b12cdf45967440
SHA256

cd1884569279f983b5b2be0ed933b1350cd7380ae47c2f57a6e25783cf6bd779
SHA512

da8a4d6f44b470d8255cb723c6eb49cac95b10db4779eb24c6874f6f7f0b72c3822d36c2512e6da56af790b400f16928d5761253e73e319bf90b9fe9046addd2
SSDEEP

1536:IFEwgqPyIqNt6+4auQg3dTXVyaH8g6CAzzl:Pw6lLuLGahlw

Score

10^/10

tofsee discovery persistence trojan

Malware Config

Extracted

Family

tofsee

C2

208.131.138.216

188.165.132.183

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Signatures

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

Deletes itself 1 IoCs

pid	Process
2684	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
2756	goqi.exe
576	goqi.exe

Loads dropped DLL 3 IoCs

pid	Process
352	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe
352	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe
2756	goqi.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSConfig = "\"C:\\Users\\Admin\\goqi.exe\""	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1220 set thread context of 352	1220	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe	30
PID 2756 set thread context of 576	2756	goqi.exe	32
PID 576 set thread context of 2868	576	goqi.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	goqi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	goqi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1220 wrote to memory of 352	1220	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe	30
PID 1220 wrote to memory of 352	1220	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe	30
PID 1220 wrote to memory of 352	1220	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe	30
PID 1220 wrote to memory of 352	1220	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe	30
PID 1220 wrote to memory of 352	1220	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe	30
PID 1220 wrote to memory of 352	1220	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe	30
PID 352 wrote to memory of 2756	352	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe	31
PID 352 wrote to memory of 2756	352	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe	31
PID 352 wrote to memory of 2756	352	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe	31
PID 352 wrote to memory of 2756	352	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe	31
PID 2756 wrote to memory of 576	2756	goqi.exe	32
PID 2756 wrote to memory of 576	2756	goqi.exe	32
PID 2756 wrote to memory of 576	2756	goqi.exe	32
PID 2756 wrote to memory of 576	2756	goqi.exe	32
PID 2756 wrote to memory of 576	2756	goqi.exe	32
PID 2756 wrote to memory of 576	2756	goqi.exe	32
PID 576 wrote to memory of 2868	576	goqi.exe	33
PID 576 wrote to memory of 2868	576	goqi.exe	33
PID 576 wrote to memory of 2868	576	goqi.exe	33
PID 576 wrote to memory of 2868	576	goqi.exe	33
PID 576 wrote to memory of 2868	576	goqi.exe	33
PID 576 wrote to memory of 2868	576	goqi.exe	33
PID 352 wrote to memory of 2684	352	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe	34
PID 352 wrote to memory of 2684	352	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe	34
PID 352 wrote to memory of 2684	352	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe	34
PID 352 wrote to memory of 2684	352	d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Users\Admin\AppData\Local\Temp\d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d94ee1c68667971dbc94fa29a51425bd_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:352
- - C:\Users\Admin\goqi.exe
    "C:\Users\Admin\goqi.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2756
  - - C:\Users\Admin\goqi.exe
      "C:\Users\Admin\goqi.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:576
    - - C:\Windows\SysWOW64\svchost.exe
        
        svchost.exe
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2868
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\6720.bat" "
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2684

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

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\6720.bat

Filesize
266B

MD5
84f736ef4fc62380ba9346bafcc0811d

SHA1
bb0bbf86f716422e6abd3083c58d4501dcf511bd

SHA256
74a7bbd83f436f767fe224b1d2ddba9a2ebce46a511f3fc97c5b8084f94efbd8

SHA512
2ba0fddc94fb312723e9186ee3604b09ef17dd58e09f05a5c88838b037ef6fe4bbeb8bc9ca496a00d915150fc50b05e43a1e81d35219f7f51f7d2a2258f66ab6

Download Submit
C:\Users\Admin\goqi.exe

Filesize
82KB

MD5
d94ee1c68667971dbc94fa29a51425bd

SHA1
8fa0e5886c13ea08ce3985ce86b12cdf45967440

SHA256
cd1884569279f983b5b2be0ed933b1350cd7380ae47c2f57a6e25783cf6bd779

SHA512
da8a4d6f44b470d8255cb723c6eb49cac95b10db4779eb24c6874f6f7f0b72c3822d36c2512e6da56af790b400f16928d5761253e73e319bf90b9fe9046addd2

Download Submit
memory/352-4-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/352-17-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/352-6-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/352-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/352-0-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/576-26-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2868-30-0x00000000000C0000-0x00000000000D1000-memory.dmp

Filesize
68KB

Download
memory/2868-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2868-41-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/2868-40-0x00000000000C0000-0x00000000000D1000-memory.dmp

Filesize
68KB

Download
memory/2868-42-0x00000000000C0000-0x00000000000D1000-memory.dmp

Filesize
68KB

Download
memory/2868-53-0x00000000000C0000-0x00000000000D1000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads