tofsee | 8044cd332ec2aa866eecbec9aa0cc0dcf304b2de5772e1101366c2960e94fa40

General

Target

fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe
Size

11.9MB
MD5

fc8f9838b702553e0ecef702ef97ce84
SHA1

881df8e9dd0ae1c881e2b388befb16db0a55c6aa
SHA256

8044cd332ec2aa866eecbec9aa0cc0dcf304b2de5772e1101366c2960e94fa40
SHA512

020dd1109c79116f50a9124cafd14a1a634c1333e77b7de621ecea245c629eb607695bf56d0d9d4ebb00de5c4c6290c50b5e877c57a1251f1315f9635cbf4cc7
SSDEEP

98304:kvjOF//////////////////////////////////////////////////////////n:O

Score

10^/10

tofsee evasion 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
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

4896 netsh.exe

pid	process
4896	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\qfqskpel\ImagePath = "C:\\Windows\\SysWOW64\\qfqskpel\\sxhcwifh.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

Processes:

fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

4828 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

sxhcwifh.exe

pid process

632 sxhcwifh.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

sxhcwifh.exe

description pid process target process

PID 632 set thread context of 4828 632 sxhcwifh.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

4328 sc.exe
4524 sc.exe
1256 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4764 3360 WerFault.exe fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe
3652 632 WerFault.exe sxhcwifh.exe

pid	process
4828	svchost.exe

pid	process
632	sxhcwifh.exe

description	pid	process	target process
PID 632 set thread context of 4828	632	sxhcwifh.exe	svchost.exe

pid	process
4328	sc.exe
4524	sc.exe
1256	sc.exe

pid	pid_target	process	target process
4764	3360	WerFault.exe	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe
3652	632	WerFault.exe	sxhcwifh.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exesxhcwifh.exe

description	pid	process	target process
PID 3360 wrote to memory of 2952	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	cmd.exe
PID 3360 wrote to memory of 2952	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	cmd.exe
PID 3360 wrote to memory of 2952	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	cmd.exe
PID 3360 wrote to memory of 1984	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	cmd.exe
PID 3360 wrote to memory of 1984	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	cmd.exe
PID 3360 wrote to memory of 1984	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	cmd.exe
PID 3360 wrote to memory of 4328	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	sc.exe
PID 3360 wrote to memory of 4328	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	sc.exe
PID 3360 wrote to memory of 4328	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	sc.exe
PID 3360 wrote to memory of 4524	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	sc.exe
PID 3360 wrote to memory of 4524	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	sc.exe
PID 3360 wrote to memory of 4524	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	sc.exe
PID 3360 wrote to memory of 1256	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	sc.exe
PID 3360 wrote to memory of 1256	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	sc.exe
PID 3360 wrote to memory of 1256	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	sc.exe
PID 3360 wrote to memory of 4896	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	netsh.exe
PID 3360 wrote to memory of 4896	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	netsh.exe
PID 3360 wrote to memory of 4896	3360	fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe	netsh.exe
PID 632 wrote to memory of 4828	632	sxhcwifh.exe	svchost.exe
PID 632 wrote to memory of 4828	632	sxhcwifh.exe	svchost.exe
PID 632 wrote to memory of 4828	632	sxhcwifh.exe	svchost.exe
PID 632 wrote to memory of 4828	632	sxhcwifh.exe	svchost.exe
PID 632 wrote to memory of 4828	632	sxhcwifh.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3360

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qfqskpel\
2⤵
PID:2952

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\sxhcwifh.exe" C:\Windows\SysWOW64\qfqskpel\
2⤵
PID:1984

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create qfqskpel binPath= "C:\Windows\SysWOW64\qfqskpel\sxhcwifh.exe /d\"C:\Users\Admin\AppData\Local\Temp\fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:4328

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description qfqskpel "wifi internet conection"
2⤵
- Launches sc.exe
PID:4524

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start qfqskpel
2⤵
- Launches sc.exe
PID:1256

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:4896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3360 -s 1044
2⤵
- Program crash
PID:4764

C:\Windows\SysWOW64\qfqskpel\sxhcwifh.exe
C:\Windows\SysWOW64\qfqskpel\sxhcwifh.exe /d"C:\Users\Admin\AppData\Local\Temp\fc8f9838b702553e0ecef702ef97ce84_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:632

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:4828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 508
2⤵
- Program crash
PID:3652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3360 -ip 3360
1⤵
PID:1748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 632 -ip 632
1⤵
PID:4544

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

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
14.2MB

MD5
89667467cfe74141126b24255e444e30

SHA1
57ec3d326d3a7f955794d56cb622b0c8e70dba63

SHA256
1599469609d025eca3e1c16a9b1e8f5cbbc098591f0cc2a48026a1bfd4bf7b44

SHA512
e769b3d0c240e00c4fc0a8aa50c54da8cf693204ce363f14f67b165756ab01a96e0ce9a7261f2b10faf5696d4fd8766fee199a2c72ef99c6a3390be627bff6ab

Download Submit
memory/632-10-0x0000000000D10000-0x0000000000E10000-memory.dmp

Filesize
1024KB

Download
memory/632-11-0x0000000000400000-0x0000000000C1F000-memory.dmp

Filesize
8.1MB

Download
memory/632-18-0x0000000000400000-0x0000000000C1F000-memory.dmp

Filesize
8.1MB

Download
memory/3360-4-0x0000000000400000-0x0000000000C1F000-memory.dmp

Filesize
8.1MB

Download
memory/3360-2-0x0000000002990000-0x00000000029A3000-memory.dmp

Filesize
76KB

Download
memory/3360-7-0x0000000000400000-0x0000000000C1F000-memory.dmp

Filesize
8.1MB

Download
memory/3360-8-0x0000000002990000-0x00000000029A3000-memory.dmp

Filesize
76KB

Download
memory/3360-1-0x0000000000EF0000-0x0000000000FF0000-memory.dmp

Filesize
1024KB

Download
memory/4828-12-0x0000000000710000-0x0000000000725000-memory.dmp

Filesize
84KB

Download
memory/4828-15-0x0000000000710000-0x0000000000725000-memory.dmp

Filesize
84KB

Download
memory/4828-16-0x0000000000710000-0x0000000000725000-memory.dmp

Filesize
84KB

Download
memory/4828-17-0x0000000000710000-0x0000000000725000-memory.dmp

Filesize
84KB

Download
memory/4828-19-0x0000000000710000-0x0000000000725000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads