tofsee | 68144fe9a725e15493eb9156fc66f401701aff5daec246cb7489eca9993fa751

General

Target

0162043ff06fc0b7df59995580637c08.exe
Size

10.1MB
MD5

0162043ff06fc0b7df59995580637c08
SHA1

dbc586ca0e60b45b96824f4daa8d0ec4d3d41bdd
SHA256

68144fe9a725e15493eb9156fc66f401701aff5daec246cb7489eca9993fa751
SHA512

76bdd28851dd82ff301f77e98a1cd03cc6950dfdd04396293fb4d1181c74febdead5574b2a5d20148908a9a13850be83b279c1a5248be633bf30b62aa953c121
SSDEEP

196608:YV8YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY4:

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.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 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
2736	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
3036	mwrmddwc.exe

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2624	sc.exe
2700	sc.exe
2724	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 3044	2552	0162043ff06fc0b7df59995580637c08.exe	29
PID 2552 wrote to memory of 3044	2552	0162043ff06fc0b7df59995580637c08.exe	29
PID 2552 wrote to memory of 3044	2552	0162043ff06fc0b7df59995580637c08.exe	29
PID 2552 wrote to memory of 3044	2552	0162043ff06fc0b7df59995580637c08.exe	29
PID 2552 wrote to memory of 1936	2552	0162043ff06fc0b7df59995580637c08.exe	31
PID 2552 wrote to memory of 1936	2552	0162043ff06fc0b7df59995580637c08.exe	31
PID 2552 wrote to memory of 1936	2552	0162043ff06fc0b7df59995580637c08.exe	31
PID 2552 wrote to memory of 1936	2552	0162043ff06fc0b7df59995580637c08.exe	31
PID 2552 wrote to memory of 2624	2552	0162043ff06fc0b7df59995580637c08.exe	33
PID 2552 wrote to memory of 2624	2552	0162043ff06fc0b7df59995580637c08.exe	33
PID 2552 wrote to memory of 2624	2552	0162043ff06fc0b7df59995580637c08.exe	33
PID 2552 wrote to memory of 2624	2552	0162043ff06fc0b7df59995580637c08.exe	33
PID 2552 wrote to memory of 2700	2552	0162043ff06fc0b7df59995580637c08.exe	35
PID 2552 wrote to memory of 2700	2552	0162043ff06fc0b7df59995580637c08.exe	35
PID 2552 wrote to memory of 2700	2552	0162043ff06fc0b7df59995580637c08.exe	35
PID 2552 wrote to memory of 2700	2552	0162043ff06fc0b7df59995580637c08.exe	35
PID 2552 wrote to memory of 2724	2552	0162043ff06fc0b7df59995580637c08.exe	37
PID 2552 wrote to memory of 2724	2552	0162043ff06fc0b7df59995580637c08.exe	37
PID 2552 wrote to memory of 2724	2552	0162043ff06fc0b7df59995580637c08.exe	37
PID 2552 wrote to memory of 2724	2552	0162043ff06fc0b7df59995580637c08.exe	37

C:\Users\Admin\AppData\Local\Temp\0162043ff06fc0b7df59995580637c08.exe
"C:\Users\Admin\AppData\Local\Temp\0162043ff06fc0b7df59995580637c08.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zuzzcjiq\
  2⤵
  PID:3044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\mwrmddwc.exe" C:\Windows\SysWOW64\zuzzcjiq\
  2⤵
  PID:1936
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create zuzzcjiq binPath= "C:\Windows\SysWOW64\zuzzcjiq\mwrmddwc.exe /d\"C:\Users\Admin\AppData\Local\Temp\0162043ff06fc0b7df59995580637c08.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:2624
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description zuzzcjiq "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:2700
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start zuzzcjiq
  2⤵
  - Launches sc.exe
  PID:2724
- 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:2736

C:\Windows\SysWOW64\zuzzcjiq\mwrmddwc.exe
C:\Windows\SysWOW64\zuzzcjiq\mwrmddwc.exe /d"C:\Users\Admin\AppData\Local\Temp\0162043ff06fc0b7df59995580637c08.exe"
1⤵
- Executes dropped EXE
PID:3036
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:1780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1780-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/1780-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1780-20-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/1780-21-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/1780-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/1780-9-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/1780-19-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2552-2-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2552-7-0x0000000000400000-0x00000000008EA000-memory.dmp

Filesize
4.9MB

Download
memory/2552-4-0x0000000000400000-0x00000000008EA000-memory.dmp

Filesize
4.9MB

Download
memory/2552-3-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/3036-10-0x0000000000D30000-0x0000000000E30000-memory.dmp

Filesize
1024KB

Download
memory/3036-12-0x0000000000400000-0x00000000008EA000-memory.dmp

Filesize
4.9MB

Download
memory/3036-16-0x0000000000400000-0x00000000008EA000-memory.dmp

Filesize
4.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads