tofsee | 68f68b471d96eba7489c49f0764a552bece2be9a88eea0f4caa7cf0b532f242e

General

Target

fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe
Size

13.4MB
MD5

fd38b33ef2c814530a6334068ede6c9e
SHA1

7db500679ab97ade3132968cefb5487341bfc7fa
SHA256

68f68b471d96eba7489c49f0764a552bece2be9a88eea0f4caa7cf0b532f242e
SHA512

018cb80f9bb521fd0367f47a43ab5f07d8d3ceb1c79a25dbfce82262aeea115eee6bba773c69c7de94cabc267ee1487d090a3afae0c9f638cd8a697b40fd17c0
SSDEEP

393216:qHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH:

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

194.61.3.129

defeatwax.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

808 netsh.exe

pid	process
808	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\iuxpdpjy\ImagePath = "C:\\Windows\\SysWOW64\\iuxpdpjy\\qmjemsfg.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:

fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-355664440-2199602304-1223909400-1000\Control Panel\International\Geo\Nation	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

3648 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

qmjemsfg.exe

pid process

928 qmjemsfg.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

qmjemsfg.exe

description pid process target process

PID 928 set thread context of 3648 928 qmjemsfg.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

4560 sc.exe
3576 sc.exe
4996 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

3348 5004 WerFault.exe fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe
2776 928 WerFault.exe qmjemsfg.exe

pid	process
3648	svchost.exe

pid	process
928	qmjemsfg.exe

description	pid	process	target process
PID 928 set thread context of 3648	928	qmjemsfg.exe	svchost.exe

pid	process
4560	sc.exe
3576	sc.exe
4996	sc.exe

pid	pid_target	process	target process
3348	5004	WerFault.exe	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe
2776	928	WerFault.exe	qmjemsfg.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exeqmjemsfg.exe

description	pid	process	target process
PID 5004 wrote to memory of 1496	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	cmd.exe
PID 5004 wrote to memory of 1496	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	cmd.exe
PID 5004 wrote to memory of 1496	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	cmd.exe
PID 5004 wrote to memory of 3960	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	cmd.exe
PID 5004 wrote to memory of 3960	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	cmd.exe
PID 5004 wrote to memory of 3960	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	cmd.exe
PID 5004 wrote to memory of 4560	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	sc.exe
PID 5004 wrote to memory of 4560	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	sc.exe
PID 5004 wrote to memory of 4560	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	sc.exe
PID 5004 wrote to memory of 3576	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	sc.exe
PID 5004 wrote to memory of 3576	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	sc.exe
PID 5004 wrote to memory of 3576	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	sc.exe
PID 5004 wrote to memory of 4996	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	sc.exe
PID 5004 wrote to memory of 4996	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	sc.exe
PID 5004 wrote to memory of 4996	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	sc.exe
PID 5004 wrote to memory of 808	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	netsh.exe
PID 5004 wrote to memory of 808	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	netsh.exe
PID 5004 wrote to memory of 808	5004	fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe	netsh.exe
PID 928 wrote to memory of 3648	928	qmjemsfg.exe	svchost.exe
PID 928 wrote to memory of 3648	928	qmjemsfg.exe	svchost.exe
PID 928 wrote to memory of 3648	928	qmjemsfg.exe	svchost.exe
PID 928 wrote to memory of 3648	928	qmjemsfg.exe	svchost.exe
PID 928 wrote to memory of 3648	928	qmjemsfg.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5004

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\iuxpdpjy\
2⤵
PID:1496

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qmjemsfg.exe" C:\Windows\SysWOW64\iuxpdpjy\
2⤵
PID:3960

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create iuxpdpjy binPath= "C:\Windows\SysWOW64\iuxpdpjy\qmjemsfg.exe /d\"C:\Users\Admin\AppData\Local\Temp\fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:4560

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description iuxpdpjy "wifi internet conection"
2⤵
- Launches sc.exe
PID:3576

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start iuxpdpjy
2⤵
- Launches sc.exe
PID:4996

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:808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 888
2⤵
- Program crash
PID:3348

C:\Windows\SysWOW64\iuxpdpjy\qmjemsfg.exe
C:\Windows\SysWOW64\iuxpdpjy\qmjemsfg.exe /d"C:\Users\Admin\AppData\Local\Temp\fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:928

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:3648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 928 -s 536
2⤵
- Program crash
PID:2776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5004 -ip 5004
1⤵
PID:4044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 928 -ip 928
1⤵
PID:1584

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\qmjemsfg.exe

Filesize
12.7MB

MD5
114c1134ca66c4b2418659faae3ad11f

SHA1
a4111ca4975ab185127d8cbb4bbacccf976d8e54

SHA256
d527481d7199dc80dd07a77ec5c5af5486fa0bda88a3a653a21625e6a5a3ec8b

SHA512
8b73ee56e6cef463e3115f38018a639276a97c5503eb6e30f4ba0dca1e303d673ba2617b5e822d1987bc5322f0815ba085f477746dfcc43dacc625bf08ea8ac7

Download Submit
memory/928-13-0x0000000000400000-0x00000000009AE000-memory.dmp

Filesize
5.7MB

Download
memory/928-11-0x0000000000C00000-0x0000000000D00000-memory.dmp

Filesize
1024KB

Download
memory/3648-10-0x00000000012D0000-0x00000000012E5000-memory.dmp

Filesize
84KB

Download
memory/3648-15-0x00000000012D0000-0x00000000012E5000-memory.dmp

Filesize
84KB

Download
memory/3648-16-0x00000000012D0000-0x00000000012E5000-memory.dmp

Filesize
84KB

Download
memory/3648-18-0x00000000012D0000-0x00000000012E5000-memory.dmp

Filesize
84KB

Download
memory/3648-19-0x00000000012D0000-0x00000000012E5000-memory.dmp

Filesize
84KB

Download
memory/5004-9-0x00000000026F0000-0x0000000002703000-memory.dmp

Filesize
76KB

Download
memory/5004-8-0x0000000000400000-0x00000000009AE000-memory.dmp

Filesize
5.7MB

Download
memory/5004-1-0x00000000009F0000-0x0000000000AF0000-memory.dmp

Filesize
1024KB

Download
memory/5004-4-0x0000000000400000-0x00000000009AE000-memory.dmp

Filesize
5.7MB

Download
memory/5004-2-0x00000000026F0000-0x0000000002703000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads