tofsee | 2b1a7ddd00423c781fb634cc0c0503d497d87d2ea446e6ed5aea5d2519908926

General

Target

2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe
Size

11.8MB
MD5

e47cf404094bbac14300b8b6525cc895
SHA1

4aa8d94eca6db073799dab29a2995f41451fbf9e
SHA256

2b1a7ddd00423c781fb634cc0c0503d497d87d2ea446e6ed5aea5d2519908926
SHA512

903f147de2009507effe3a65b91103db46ed659c16ea2f0ee50c48101b1b34edb6f6392591ed367765567acc8e824595637be5a67788018bd80103778370852c
SSDEEP

6144:z+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:z+r1IeSXMXc7LlxWV4Ug97GZ+ej

Score

10^/10

tofsee evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

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\njxpggzk = "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

2792 netsh.exe

pid	process
2792	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\njxpggzk\ImagePath = "C:\\Windows\\SysWOW64\\njxpggzk\\zqjmtgsr.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2584 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

zqjmtgsr.exe

pid process

2096 zqjmtgsr.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

zqjmtgsr.exe

description pid process target process

PID 2096 set thread context of 2584 2096 zqjmtgsr.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

2740 sc.exe
2788 sc.exe
2672 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2584	svchost.exe

pid	process
2096	zqjmtgsr.exe

description	pid	process	target process
PID 2096 set thread context of 2584	2096	zqjmtgsr.exe	svchost.exe

pid	process
2740	sc.exe
2788	sc.exe
2672	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exezqjmtgsr.exe

description	pid	process	target process
PID 2124 wrote to memory of 1728	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	cmd.exe
PID 2124 wrote to memory of 1728	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	cmd.exe
PID 2124 wrote to memory of 1728	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	cmd.exe
PID 2124 wrote to memory of 1728	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	cmd.exe
PID 2124 wrote to memory of 2364	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	cmd.exe
PID 2124 wrote to memory of 2364	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	cmd.exe
PID 2124 wrote to memory of 2364	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	cmd.exe
PID 2124 wrote to memory of 2364	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	cmd.exe
PID 2124 wrote to memory of 2740	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2124 wrote to memory of 2740	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2124 wrote to memory of 2740	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2124 wrote to memory of 2740	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2124 wrote to memory of 2788	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2124 wrote to memory of 2788	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2124 wrote to memory of 2788	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2124 wrote to memory of 2788	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2124 wrote to memory of 2672	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2124 wrote to memory of 2672	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2124 wrote to memory of 2672	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2124 wrote to memory of 2672	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	sc.exe
PID 2096 wrote to memory of 2584	2096	zqjmtgsr.exe	svchost.exe
PID 2096 wrote to memory of 2584	2096	zqjmtgsr.exe	svchost.exe
PID 2096 wrote to memory of 2584	2096	zqjmtgsr.exe	svchost.exe
PID 2096 wrote to memory of 2584	2096	zqjmtgsr.exe	svchost.exe
PID 2096 wrote to memory of 2584	2096	zqjmtgsr.exe	svchost.exe
PID 2096 wrote to memory of 2584	2096	zqjmtgsr.exe	svchost.exe
PID 2124 wrote to memory of 2792	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	netsh.exe
PID 2124 wrote to memory of 2792	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	netsh.exe
PID 2124 wrote to memory of 2792	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	netsh.exe
PID 2124 wrote to memory of 2792	2124	2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2124

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\njxpggzk\
2⤵
PID:1728

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zqjmtgsr.exe" C:\Windows\SysWOW64\njxpggzk\
2⤵
PID:2364

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create njxpggzk binPath= "C:\Windows\SysWOW64\njxpggzk\zqjmtgsr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2740

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description njxpggzk "wifi internet conection"
2⤵
- Launches sc.exe
PID:2788

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start njxpggzk
2⤵
- Launches sc.exe
PID:2672

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:2792

C:\Windows\SysWOW64\njxpggzk\zqjmtgsr.exe
C:\Windows\SysWOW64\njxpggzk\zqjmtgsr.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-06-18_e47cf404094bbac14300b8b6525cc895_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2096

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2584

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\zqjmtgsr.exe

Filesize
13.1MB

MD5
07ceda37e4013be33f40dd0a9e0697a2

SHA1
feda319dcdffbbb3bf4c6b9b2dc23bbea8d81bc3

SHA256
ee7a1e8e891a330f2119a5248663238bbaedcdcfc644cf9c9d38cd7c5bcd31d4

SHA512
533029579f17191006df48e505aac84a9273f33765ed46118164277f340e59b06d25a34a23c2265f2089e1c9694c652d2f02f49b2a3d991c80530ceb02becaf9

Download Submit
memory/2096-11-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2124-1-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/2124-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2124-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2124-13-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/2584-7-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2584-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2584-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2584-15-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2584-16-0x00000000000C0000-0x00000000000D5000-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