tofsee | 12a9b073fc13879271beb9877f6150017e5cdbc17f21983277a63958a76e6219

General

Target

2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe
Size

11.3MB
MD5

2868ba77f0519c78785327476e5d4241
SHA1

0206eafd872d9767073594ede672fb4483264b84
SHA256

12a9b073fc13879271beb9877f6150017e5cdbc17f21983277a63958a76e6219
SHA512

9f3f7d878f2fd8b5efc265bb2c4a5bf6f50039e328529cbe5ae5ea345b7abf42efd21d84b4d4644cd9bf65769d506e779924891d18b9c7b182cc6af2df757829
SSDEEP

6144:dLxr3CIoKEyScf9teif2G9OYbG7kNkszTTURc1B:93/EyScPeif2GMajN1zcR

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

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\hydrpcxv = "0"	svchost.exe

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

2748 netsh.exe

pid	process
2748	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\hydrpcxv\ImagePath = "C:\\Windows\\SysWOW64\\hydrpcxv\\zgsfobcw.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2740 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

zgsfobcw.exe

pid process

2172 zgsfobcw.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

zgsfobcw.exe

description pid process target process

PID 2172 set thread context of 2740 2172 zgsfobcw.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

2712 sc.exe
2764 sc.exe
2816 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2740	svchost.exe

pid	process
2172	zgsfobcw.exe

description	pid	process	target process
PID 2172 set thread context of 2740	2172	zgsfobcw.exe	svchost.exe

pid	process
2712	sc.exe
2764	sc.exe
2816	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

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

2868ba77f0519c78785327476e5d4241_JaffaCakes118.exezgsfobcw.exe

description	pid	process	target process
PID 2080 wrote to memory of 1960	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	cmd.exe
PID 2080 wrote to memory of 1960	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	cmd.exe
PID 2080 wrote to memory of 1960	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	cmd.exe
PID 2080 wrote to memory of 1960	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	cmd.exe
PID 2080 wrote to memory of 1952	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	cmd.exe
PID 2080 wrote to memory of 1952	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	cmd.exe
PID 2080 wrote to memory of 1952	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	cmd.exe
PID 2080 wrote to memory of 1952	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	cmd.exe
PID 2080 wrote to memory of 2712	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	sc.exe
PID 2080 wrote to memory of 2712	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	sc.exe
PID 2080 wrote to memory of 2712	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	sc.exe
PID 2080 wrote to memory of 2712	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	sc.exe
PID 2080 wrote to memory of 2764	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	sc.exe
PID 2080 wrote to memory of 2764	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	sc.exe
PID 2080 wrote to memory of 2764	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	sc.exe
PID 2080 wrote to memory of 2764	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	sc.exe
PID 2080 wrote to memory of 2816	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	sc.exe
PID 2080 wrote to memory of 2816	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	sc.exe
PID 2080 wrote to memory of 2816	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	sc.exe
PID 2080 wrote to memory of 2816	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	sc.exe
PID 2080 wrote to memory of 2748	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	netsh.exe
PID 2080 wrote to memory of 2748	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	netsh.exe
PID 2080 wrote to memory of 2748	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	netsh.exe
PID 2080 wrote to memory of 2748	2080	2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe	netsh.exe
PID 2172 wrote to memory of 2740	2172	zgsfobcw.exe	svchost.exe
PID 2172 wrote to memory of 2740	2172	zgsfobcw.exe	svchost.exe
PID 2172 wrote to memory of 2740	2172	zgsfobcw.exe	svchost.exe
PID 2172 wrote to memory of 2740	2172	zgsfobcw.exe	svchost.exe
PID 2172 wrote to memory of 2740	2172	zgsfobcw.exe	svchost.exe
PID 2172 wrote to memory of 2740	2172	zgsfobcw.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2080

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hydrpcxv\
2⤵
PID:1960

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zgsfobcw.exe" C:\Windows\SysWOW64\hydrpcxv\
2⤵
PID:1952

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create hydrpcxv binPath= "C:\Windows\SysWOW64\hydrpcxv\zgsfobcw.exe /d\"C:\Users\Admin\AppData\Local\Temp\2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2712

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description hydrpcxv "wifi internet conection"
2⤵
- Launches sc.exe
PID:2764

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start hydrpcxv
2⤵
- Launches sc.exe
PID:2816

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:2748

C:\Windows\SysWOW64\hydrpcxv\zgsfobcw.exe
C:\Windows\SysWOW64\hydrpcxv\zgsfobcw.exe /d"C:\Users\Admin\AppData\Local\Temp\2868ba77f0519c78785327476e5d4241_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2172

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2740

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

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
11.0MB

MD5
9fc89e47ea19fb688c4d28fe527dee6b

SHA1
dfa1448be27bbbe73202093206c46dec4ed39ca6

SHA256
a0f9473cbf91e123dcc6c573e7e1dd4f37442d9ea9304eec22651cb9768abd40

SHA512
45ce4404d041e84a194f9b3c14d2adfa3db8f2f5e302aed98a36670fefa05397b7eb9cf4adfa476a48508788fdf9c38940008d64b60ec337a05217a52b08f93e

Download Submit
memory/2080-1-0x0000000000540000-0x0000000000640000-memory.dmp

Filesize
1024KB

Download
memory/2080-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2080-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2080-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2080-8-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2172-15-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2740-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2740-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2740-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2740-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads