tofsee | d98a54b16d8ca038eac0ff89f08c054877975660f0104747a5d717d8c6668037

General

Target

228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe
Size

11.4MB
MD5

228ba403b156f13f60ec39a0072329e5
SHA1

8230053a7c4821d017611ab010611b348a8e2a28
SHA256

d98a54b16d8ca038eac0ff89f08c054877975660f0104747a5d717d8c6668037
SHA512

0ce127888ae89259fe88430a4b77016e4cb6b2b5d1a99d3bb59a35c51c1d9aca3560f67a8ea57b023e183ad0b365fb395dddae7611db0daa814bc4c48b1c0e52
SSDEEP

196608:bffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff/:

Score

10^/10

tofsee evasion execution persistence privilege_escalation 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) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2360 netsh.exe

pid	process
2360	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\haixtxma\ImagePath = "C:\\Windows\\SysWOW64\\haixtxma\\ljtrrhqg.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:

228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

4844 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

ljtrrhqg.exe

pid process

1968 ljtrrhqg.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ljtrrhqg.exe

description pid process target process

PID 1968 set thread context of 4844 1968 ljtrrhqg.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

3712 sc.exe
4532 sc.exe
3256 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
4844	svchost.exe

pid	process
1968	ljtrrhqg.exe

description	pid	process	target process
PID 1968 set thread context of 4844	1968	ljtrrhqg.exe	svchost.exe

pid	process
3712	sc.exe
4532	sc.exe
3256	sc.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

Processes:

netsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

5040 1280 WerFault.exe 228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe
4664 1968 WerFault.exe ljtrrhqg.exe

pid	pid_target	process	target process
5040	1280	WerFault.exe	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe
4664	1968	WerFault.exe	ljtrrhqg.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exeljtrrhqg.exe

description	pid	process	target process
PID 1280 wrote to memory of 4564	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	cmd.exe
PID 1280 wrote to memory of 4564	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	cmd.exe
PID 1280 wrote to memory of 4564	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	cmd.exe
PID 1280 wrote to memory of 2120	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	cmd.exe
PID 1280 wrote to memory of 2120	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	cmd.exe
PID 1280 wrote to memory of 2120	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	cmd.exe
PID 1280 wrote to memory of 3712	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	sc.exe
PID 1280 wrote to memory of 3712	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	sc.exe
PID 1280 wrote to memory of 3712	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	sc.exe
PID 1280 wrote to memory of 4532	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	sc.exe
PID 1280 wrote to memory of 4532	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	sc.exe
PID 1280 wrote to memory of 4532	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	sc.exe
PID 1280 wrote to memory of 3256	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	sc.exe
PID 1280 wrote to memory of 3256	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	sc.exe
PID 1280 wrote to memory of 3256	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	sc.exe
PID 1280 wrote to memory of 2360	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	netsh.exe
PID 1280 wrote to memory of 2360	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	netsh.exe
PID 1280 wrote to memory of 2360	1280	228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe	netsh.exe
PID 1968 wrote to memory of 4844	1968	ljtrrhqg.exe	svchost.exe
PID 1968 wrote to memory of 4844	1968	ljtrrhqg.exe	svchost.exe
PID 1968 wrote to memory of 4844	1968	ljtrrhqg.exe	svchost.exe
PID 1968 wrote to memory of 4844	1968	ljtrrhqg.exe	svchost.exe
PID 1968 wrote to memory of 4844	1968	ljtrrhqg.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1280

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\haixtxma\
2⤵
PID:4564

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ljtrrhqg.exe" C:\Windows\SysWOW64\haixtxma\
2⤵
PID:2120

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create haixtxma binPath= "C:\Windows\SysWOW64\haixtxma\ljtrrhqg.exe /d\"C:\Users\Admin\AppData\Local\Temp\228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:3712

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description haixtxma "wifi internet conection"
2⤵
- Launches sc.exe
PID:4532

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start haixtxma
2⤵
- Launches sc.exe
PID:3256

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
- Event Triggered Execution: Netsh Helper DLL
PID:2360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1280 -s 1256
2⤵
- Program crash
PID:5040

C:\Windows\SysWOW64\haixtxma\ljtrrhqg.exe
C:\Windows\SysWOW64\haixtxma\ljtrrhqg.exe /d"C:\Users\Admin\AppData\Local\Temp\228ba403b156f13f60ec39a0072329e5_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:4844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1968 -s 512
2⤵
- Program crash
PID:4664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1280 -ip 1280
1⤵
PID:1028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1968 -ip 1968
1⤵
PID:2300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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\ljtrrhqg.exe
Filesize
14.0MB

MD5
09fd2a5743ed44b255188bf604200b24

SHA1
0756a521b015dbe8877908ce60a8c22b45a014d8

SHA256
7b27000d9384fc3f42b5c48270220cc9fc41e2c0c0b6351cac55f9b6abe35685

SHA512
16510e3f923ca431fcdabaf392174f82ad4c1f620bdc7ed456e3224a70cf2740585730b28226181628e32abb5caefbaa87ae79bd09ac14973dca820dcca7f42e

Download Submit
memory/1280-8-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1280-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1280-1-0x00000000007F0000-0x00000000008F0000-memory.dmp

Filesize
1024KB

Download
memory/1280-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1280-9-0x0000000000600000-0x0000000000613000-memory.dmp

Filesize
76KB

Download
memory/1280-2-0x0000000000600000-0x0000000000613000-memory.dmp

Filesize
76KB

Download
memory/1968-11-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1968-12-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1968-16-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4844-13-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download
memory/4844-15-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download
memory/4844-17-0x00000000008E0000-0x00000000008F5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads