tofsee | a221a2996b315a116ccfe8e2d7b553fc3a02e7ebb8a11e78e5117f11ed2cfc62

General

Target

f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe
Size

11.4MB
MD5

f8256df8c758c14405aaf36f704caaad
SHA1

087dfabfb57a9a0896609642d9e18dc60939e378
SHA256

a221a2996b315a116ccfe8e2d7b553fc3a02e7ebb8a11e78e5117f11ed2cfc62
SHA512

37606175aca89abcec765db9d51a9237945827dab77f66ce719b5bb9e9e6d7db77ec8a6af97e5d34694065973417d1930897f37c5621033ebf87100436ccdd4b
SSDEEP

98304:4UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUf:

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
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

3620 netsh.exe

pid	process
3620	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\qdnondgo\ImagePath = "C:\\Windows\\SysWOW64\\qdnondgo\\aaxsvmdv.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:

f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Control Panel\International\Geo\Nation	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

1460 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

aaxsvmdv.exe

pid process

4600 aaxsvmdv.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

aaxsvmdv.exe

description pid process target process

PID 4600 set thread context of 1460 4600 aaxsvmdv.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

1436 sc.exe
4736 sc.exe
4812 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

2128 1716 WerFault.exe f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe
3168 4600 WerFault.exe aaxsvmdv.exe

pid	process
1460	svchost.exe

pid	process
4600	aaxsvmdv.exe

description	pid	process	target process
PID 4600 set thread context of 1460	4600	aaxsvmdv.exe	svchost.exe

pid	process
1436	sc.exe
4736	sc.exe
4812	sc.exe

pid	pid_target	process	target process
2128	1716	WerFault.exe	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe
3168	4600	WerFault.exe	aaxsvmdv.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exeaaxsvmdv.exe

description	pid	process	target process
PID 1716 wrote to memory of 2024	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	cmd.exe
PID 1716 wrote to memory of 2024	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	cmd.exe
PID 1716 wrote to memory of 2024	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	cmd.exe
PID 1716 wrote to memory of 1080	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	cmd.exe
PID 1716 wrote to memory of 1080	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	cmd.exe
PID 1716 wrote to memory of 1080	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	cmd.exe
PID 1716 wrote to memory of 4736	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 4736	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 4736	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 4812	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 4812	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 4812	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 1436	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 1436	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 1436	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	sc.exe
PID 1716 wrote to memory of 3620	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	netsh.exe
PID 1716 wrote to memory of 3620	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	netsh.exe
PID 1716 wrote to memory of 3620	1716	f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe	netsh.exe
PID 4600 wrote to memory of 1460	4600	aaxsvmdv.exe	svchost.exe
PID 4600 wrote to memory of 1460	4600	aaxsvmdv.exe	svchost.exe
PID 4600 wrote to memory of 1460	4600	aaxsvmdv.exe	svchost.exe
PID 4600 wrote to memory of 1460	4600	aaxsvmdv.exe	svchost.exe
PID 4600 wrote to memory of 1460	4600	aaxsvmdv.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qdnondgo\
  2⤵
  PID:2024
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\aaxsvmdv.exe" C:\Windows\SysWOW64\qdnondgo\
  2⤵
  PID:1080
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qdnondgo binPath= "C:\Windows\SysWOW64\qdnondgo\aaxsvmdv.exe /d\"C:\Users\Admin\AppData\Local\Temp\f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:4736
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qdnondgo "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:4812
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qdnondgo
  2⤵
  - Launches sc.exe
  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
  PID:3620
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1028
  2⤵
  - Program crash
  PID:2128

C:\Windows\SysWOW64\qdnondgo\aaxsvmdv.exe
C:\Windows\SysWOW64\qdnondgo\aaxsvmdv.exe /d"C:\Users\Admin\AppData\Local\Temp\f8256df8c758c14405aaf36f704caaad_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4600
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  PID:1460
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4600 -s 508
  2⤵
  - Program crash
  PID:3168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1716 -ip 1716
1⤵
PID:4468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4600 -ip 4600
1⤵
PID:3064

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\aaxsvmdv.exe

Filesize
13.7MB

MD5
3941594ee7cd435b6d4cd7a2b829224e

SHA1
fc3faa8d2e47b6308a4c298110353b5e9d5c6f80

SHA256
3f10a0dccc657d02b9079453a70106227a8cf091cabc42b58a00e1980189db24

SHA512
1d98b36843cf6fd74138ccc2964ace38cd0d97207508cec34d15e42daba78b042d4ae5eeabf2488f039cd7737ce4f3e760818417bc26e0dfbafa88350d53ab25

Download Submit
memory/1460-15-0x0000000000A40000-0x0000000000A55000-memory.dmp

Filesize
84KB

Download
memory/1460-12-0x0000000000A40000-0x0000000000A55000-memory.dmp

Filesize
84KB

Download
memory/1460-20-0x0000000000A40000-0x0000000000A55000-memory.dmp

Filesize
84KB

Download
memory/1460-19-0x0000000000A40000-0x0000000000A55000-memory.dmp

Filesize
84KB

Download
memory/1460-16-0x0000000000A40000-0x0000000000A55000-memory.dmp

Filesize
84KB

Download
memory/1716-9-0x0000000000400000-0x0000000002CC4000-memory.dmp

Filesize
40.8MB

Download
memory/1716-10-0x0000000002E70000-0x0000000002E83000-memory.dmp

Filesize
76KB

Download
memory/1716-1-0x0000000002EA0000-0x0000000002FA0000-memory.dmp

Filesize
1024KB

Download
memory/1716-4-0x0000000000400000-0x0000000002CC4000-memory.dmp

Filesize
40.8MB

Download
memory/1716-6-0x0000000000400000-0x0000000002CC4000-memory.dmp

Filesize
40.8MB

Download
memory/1716-2-0x0000000002E70000-0x0000000002E83000-memory.dmp

Filesize
76KB

Download
memory/4600-11-0x0000000002E40000-0x0000000002F40000-memory.dmp

Filesize
1024KB

Download
memory/4600-17-0x0000000000400000-0x0000000002CC4000-memory.dmp

Filesize
40.8MB

Download
memory/4600-18-0x0000000000400000-0x0000000002CC4000-memory.dmp

Filesize
40.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads