tofsee | afba2105b4e169404b3a9cf3bc73e10d943884b176bfeaa1fc54c985daa0bcd2

General

Target

fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe
Size

14.2MB
MD5

fd10a12bfa4567277ceeeee89218d272
SHA1

1e4c7b5cd7fcd6c5f8d620951316c3dc60e55b19
SHA256

afba2105b4e169404b3a9cf3bc73e10d943884b176bfeaa1fc54c985daa0bcd2
SHA512

90e5592cbcb97e6301317679f8a0acec08f6409e400331528f5698d799c214112ca98ce3b37e7990d00e5a7d6d6c213aceb7d78a67a7c171ccb1f6728fba7411
SSDEEP

24576:YerU5sWbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbL:YsW

Score

10^/10

tofsee evasion persistence 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

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\poawobff = "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

2816 netsh.exe

pid	process
2816	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\poawobff\ImagePath = "C:\\Windows\\SysWOW64\\poawobff\\gpxvoqtt.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

940 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

gpxvoqtt.exe

pid process

2820 gpxvoqtt.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

gpxvoqtt.exe

description pid process target process

PID 2820 set thread context of 940 2820 gpxvoqtt.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

2100 sc.exe
2608 sc.exe
2680 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
940	svchost.exe

pid	process
2820	gpxvoqtt.exe

description	pid	process	target process
PID 2820 set thread context of 940	2820	gpxvoqtt.exe	svchost.exe

pid	process
2100	sc.exe
2608	sc.exe
2680	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exegpxvoqtt.exe

description	pid	process	target process
PID 2364 wrote to memory of 1216	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 1216	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 1216	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 1216	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 2424	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 2424	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 2424	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 2424	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 2100	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2100	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2100	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2100	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2608	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2608	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2608	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2608	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2680	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2680	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2680	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2680	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2816	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	netsh.exe
PID 2364 wrote to memory of 2816	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	netsh.exe
PID 2364 wrote to memory of 2816	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	netsh.exe
PID 2364 wrote to memory of 2816	2364	fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe	netsh.exe
PID 2820 wrote to memory of 940	2820	gpxvoqtt.exe	svchost.exe
PID 2820 wrote to memory of 940	2820	gpxvoqtt.exe	svchost.exe
PID 2820 wrote to memory of 940	2820	gpxvoqtt.exe	svchost.exe
PID 2820 wrote to memory of 940	2820	gpxvoqtt.exe	svchost.exe
PID 2820 wrote to memory of 940	2820	gpxvoqtt.exe	svchost.exe
PID 2820 wrote to memory of 940	2820	gpxvoqtt.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2364

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\poawobff\
2⤵
PID:1216

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gpxvoqtt.exe" C:\Windows\SysWOW64\poawobff\
2⤵
PID:2424

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create poawobff binPath= "C:\Windows\SysWOW64\poawobff\gpxvoqtt.exe /d\"C:\Users\Admin\AppData\Local\Temp\fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2100

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description poawobff "wifi internet conection"
2⤵
- Launches sc.exe
PID:2608

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start poawobff
2⤵
- Launches sc.exe
PID:2680

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:2816

C:\Windows\SysWOW64\poawobff\gpxvoqtt.exe
C:\Windows\SysWOW64\poawobff\gpxvoqtt.exe /d"C:\Users\Admin\AppData\Local\Temp\fd10a12bfa4567277ceeeee89218d272_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2820

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:940

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\gpxvoqtt.exe
Filesize
12.7MB

MD5
8de6c7a29fbf9c4c103b6c15b425b12f

SHA1
e4692c2eb7b118606d02104923065acf44f084b0

SHA256
a6c163a8eb8577c5baba53b7620e3121aee381fb9b4c92b3344b8d092a2cc41c

SHA512
103838d815bfebaaab2302b469376de082e0c84d25f265a1d132c9ebe4c68e2e8106d11ef4f378ce7f5b2fb78a89384662c073e24d662a91dce0d2917bc9d76e

Download Submit
memory/940-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/940-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/940-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/940-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/940-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/940-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2364-4-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2364-3-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2364-8-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2364-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2820-15-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2820-9-0x00000000005B0000-0x00000000006B0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads