tofsee | 3b81501b4c22dbf3d58fd6af148aacdc7bc1acf761a3f7209e351b1bde12616b

General

Target

fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe
Size

11.0MB
MD5

fb725cdde0c644bf58ed7bc807d400fe
SHA1

4c31c781d128da8576b73cb86596720d0faaab3c
SHA256

3b81501b4c22dbf3d58fd6af148aacdc7bc1acf761a3f7209e351b1bde12616b
SHA512

eec1664315a2fb1625705fc7980c007fc790675c9ad2c13c6db01ee5adb7c6114c2b8cdb1f1dd6ac5ecacddce6e35d0616d20d086aac7fe0d78ee02636edb71d
SSDEEP

12288:4IIW7A7qL8SHSIiwN/iZBqAsArTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT3:5A7qLNNf

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

2000 netsh.exe

pid	process
2000	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\blbnoupv\ImagePath = "C:\\Windows\\SysWOW64\\blbnoupv\\ttqlofwo.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:

fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

3296 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

ttqlofwo.exe

pid process

3800 ttqlofwo.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ttqlofwo.exe

description pid process target process

PID 3800 set thread context of 3296 3800 ttqlofwo.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

3692 sc.exe
3004 sc.exe
4544 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

3220 4768 WerFault.exe fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe
1508 3800 WerFault.exe ttqlofwo.exe

pid	process
3296	svchost.exe

pid	process
3800	ttqlofwo.exe

description	pid	process	target process
PID 3800 set thread context of 3296	3800	ttqlofwo.exe	svchost.exe

pid	process
3692	sc.exe
3004	sc.exe
4544	sc.exe

pid	pid_target	process	target process
3220	4768	WerFault.exe	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe
1508	3800	WerFault.exe	ttqlofwo.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exettqlofwo.exe

description	pid	process	target process
PID 4768 wrote to memory of 1240	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	cmd.exe
PID 4768 wrote to memory of 1240	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	cmd.exe
PID 4768 wrote to memory of 1240	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	cmd.exe
PID 4768 wrote to memory of 4576	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	cmd.exe
PID 4768 wrote to memory of 4576	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	cmd.exe
PID 4768 wrote to memory of 4576	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	cmd.exe
PID 4768 wrote to memory of 4544	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 4768 wrote to memory of 4544	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 4768 wrote to memory of 4544	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 4768 wrote to memory of 3692	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 4768 wrote to memory of 3692	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 4768 wrote to memory of 3692	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 4768 wrote to memory of 3004	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 4768 wrote to memory of 3004	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 4768 wrote to memory of 3004	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	sc.exe
PID 4768 wrote to memory of 2000	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	netsh.exe
PID 4768 wrote to memory of 2000	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	netsh.exe
PID 4768 wrote to memory of 2000	4768	fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe	netsh.exe
PID 3800 wrote to memory of 3296	3800	ttqlofwo.exe	svchost.exe
PID 3800 wrote to memory of 3296	3800	ttqlofwo.exe	svchost.exe
PID 3800 wrote to memory of 3296	3800	ttqlofwo.exe	svchost.exe
PID 3800 wrote to memory of 3296	3800	ttqlofwo.exe	svchost.exe
PID 3800 wrote to memory of 3296	3800	ttqlofwo.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4768

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\blbnoupv\
2⤵
PID:1240

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ttqlofwo.exe" C:\Windows\SysWOW64\blbnoupv\
2⤵
PID:4576

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create blbnoupv binPath= "C:\Windows\SysWOW64\blbnoupv\ttqlofwo.exe /d\"C:\Users\Admin\AppData\Local\Temp\fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:4544

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description blbnoupv "wifi internet conection"
2⤵
- Launches sc.exe
PID:3692

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start blbnoupv
2⤵
- Launches sc.exe
PID:3004

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:2000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 1028
2⤵
- Program crash
PID:3220

C:\Windows\SysWOW64\blbnoupv\ttqlofwo.exe
C:\Windows\SysWOW64\blbnoupv\ttqlofwo.exe /d"C:\Users\Admin\AppData\Local\Temp\fb725cdde0c644bf58ed7bc807d400fe_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3800

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:3296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3800 -s 512
2⤵
- Program crash
PID:1508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4768 -ip 4768
1⤵
PID:2344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3800 -ip 3800
1⤵
PID:2432

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\ttqlofwo.exe
Filesize
11.2MB

MD5
86e9c309e0b340e48558defa65ade969

SHA1
fc8378d12467380c52eac1c81ca48d7f35e81cec

SHA256
65814b79431dc36e9983c3f43690ec57a04ae93a2b54f6865aa9c6fd631b2c4e

SHA512
86a41cce0c7e577e3448ddd477580176f814703bf4747a71e0a65cc4e2e6907e93c3239e3a2bc16d8f99c5bf7dbd537764c1fa084a98550aa6811142c5d9b0a7

Download Submit
memory/3296-15-0x0000000000FC0000-0x0000000000FD5000-memory.dmp

Filesize
84KB

Download
memory/3296-12-0x0000000000FC0000-0x0000000000FD5000-memory.dmp

Filesize
84KB

Download
memory/3296-16-0x0000000000FC0000-0x0000000000FD5000-memory.dmp

Filesize
84KB

Download
memory/3296-18-0x0000000000FC0000-0x0000000000FD5000-memory.dmp

Filesize
84KB

Download
memory/3296-19-0x0000000000FC0000-0x0000000000FD5000-memory.dmp

Filesize
84KB

Download
memory/3800-10-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

Download
memory/3800-11-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/3800-17-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/4768-3-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/4768-2-0x00000000004E0000-0x00000000004F3000-memory.dmp

Filesize
76KB

Download
memory/4768-8-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/4768-9-0x00000000004E0000-0x00000000004F3000-memory.dmp

Filesize
76KB

Download
memory/4768-1-0x0000000000510000-0x0000000000610000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads