tofsee | 56b2d27c6d6f98a4cded2c47abe56f5c1e2cb1ed37acdff5be6c88d3e8b8f284

Analysis

max time kernel
145s
max time network
145s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/01/2024, 07:57

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General

Target

64e0106d66252e95c241e9dc3fe33f12.exe
Size

12.7MB
MD5

64e0106d66252e95c241e9dc3fe33f12
SHA1

f9b82c5dbb25a39dae282034c429a1b10bd6ae17
SHA256

56b2d27c6d6f98a4cded2c47abe56f5c1e2cb1ed37acdff5be6c88d3e8b8f284
SHA512

f1b2eeefd4e73fa27adeb4a768226a834f1b871b37d404eb2540d9fac5888b70f29c7231646a5ac5e56434792e172a42c06f566a5c8572109fac314a3771bcf8
SSDEEP

393216:I6EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE:7EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEn

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

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

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

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
2984	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\mqglnzdb\ImagePath = "C:\\Windows\\SysWOW64\\mqglnzdb\\kfpsgrrz.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2668	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2088	kfpsgrrz.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2088 set thread context of 2668	2088	kfpsgrrz.exe	41

Launches sc.exe 3 IoCs

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

pid	Process
2772	sc.exe
3040	sc.exe
2364	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 30 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 1236	2480	64e0106d66252e95c241e9dc3fe33f12.exe	28
PID 2480 wrote to memory of 1236	2480	64e0106d66252e95c241e9dc3fe33f12.exe	28
PID 2480 wrote to memory of 1236	2480	64e0106d66252e95c241e9dc3fe33f12.exe	28
PID 2480 wrote to memory of 1236	2480	64e0106d66252e95c241e9dc3fe33f12.exe	28
PID 2480 wrote to memory of 2004	2480	64e0106d66252e95c241e9dc3fe33f12.exe	31
PID 2480 wrote to memory of 2004	2480	64e0106d66252e95c241e9dc3fe33f12.exe	31
PID 2480 wrote to memory of 2004	2480	64e0106d66252e95c241e9dc3fe33f12.exe	31
PID 2480 wrote to memory of 2004	2480	64e0106d66252e95c241e9dc3fe33f12.exe	31
PID 2480 wrote to memory of 2772	2480	64e0106d66252e95c241e9dc3fe33f12.exe	32
PID 2480 wrote to memory of 2772	2480	64e0106d66252e95c241e9dc3fe33f12.exe	32
PID 2480 wrote to memory of 2772	2480	64e0106d66252e95c241e9dc3fe33f12.exe	32
PID 2480 wrote to memory of 2772	2480	64e0106d66252e95c241e9dc3fe33f12.exe	32
PID 2480 wrote to memory of 3040	2480	64e0106d66252e95c241e9dc3fe33f12.exe	35
PID 2480 wrote to memory of 3040	2480	64e0106d66252e95c241e9dc3fe33f12.exe	35
PID 2480 wrote to memory of 3040	2480	64e0106d66252e95c241e9dc3fe33f12.exe	35
PID 2480 wrote to memory of 3040	2480	64e0106d66252e95c241e9dc3fe33f12.exe	35
PID 2480 wrote to memory of 2364	2480	64e0106d66252e95c241e9dc3fe33f12.exe	36
PID 2480 wrote to memory of 2364	2480	64e0106d66252e95c241e9dc3fe33f12.exe	36
PID 2480 wrote to memory of 2364	2480	64e0106d66252e95c241e9dc3fe33f12.exe	36
PID 2480 wrote to memory of 2364	2480	64e0106d66252e95c241e9dc3fe33f12.exe	36
PID 2480 wrote to memory of 2984	2480	64e0106d66252e95c241e9dc3fe33f12.exe	39
PID 2480 wrote to memory of 2984	2480	64e0106d66252e95c241e9dc3fe33f12.exe	39
PID 2480 wrote to memory of 2984	2480	64e0106d66252e95c241e9dc3fe33f12.exe	39
PID 2480 wrote to memory of 2984	2480	64e0106d66252e95c241e9dc3fe33f12.exe	39
PID 2088 wrote to memory of 2668	2088	kfpsgrrz.exe	41
PID 2088 wrote to memory of 2668	2088	kfpsgrrz.exe	41
PID 2088 wrote to memory of 2668	2088	kfpsgrrz.exe	41
PID 2088 wrote to memory of 2668	2088	kfpsgrrz.exe	41
PID 2088 wrote to memory of 2668	2088	kfpsgrrz.exe	41
PID 2088 wrote to memory of 2668	2088	kfpsgrrz.exe	41

C:\Users\Admin\AppData\Local\Temp\64e0106d66252e95c241e9dc3fe33f12.exe
"C:\Users\Admin\AppData\Local\Temp\64e0106d66252e95c241e9dc3fe33f12.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mqglnzdb\
  2⤵
  PID:1236
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kfpsgrrz.exe" C:\Windows\SysWOW64\mqglnzdb\
  2⤵
  PID:2004
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create mqglnzdb binPath= "C:\Windows\SysWOW64\mqglnzdb\kfpsgrrz.exe /d\"C:\Users\Admin\AppData\Local\Temp\64e0106d66252e95c241e9dc3fe33f12.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  PID:2772
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description mqglnzdb "wifi internet conection"
  2⤵
  - Launches sc.exe
  PID:3040
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start mqglnzdb
  2⤵
  - Launches sc.exe
  PID:2364
- 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:2984

C:\Windows\SysWOW64\mqglnzdb\kfpsgrrz.exe
C:\Windows\SysWOW64\mqglnzdb\kfpsgrrz.exe /d"C:\Users\Admin\AppData\Local\Temp\64e0106d66252e95c241e9dc3fe33f12.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  PID:2668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
52KB

MD5
018e2964f03dfef7be5abae440a6780b

SHA1
08a7822b43e7ec3da782694872623638ed7b444b

SHA256
578a766625e79d33482604442c48965d2b2d5c6325edb7124b32c553de05418a

SHA512
915914a46bfff66cfeb39c9826f823a9b3007c130b49af9cbdba92d7c8ba02fee749c906f34a030197267ebd9e5b4696678e3dea73123471ae7d3713279760db

Download Submit
C:\Windows\SysWOW64\mqglnzdb\kfpsgrrz.exe

Filesize
640KB

MD5
3153c3433aae4efcd023a85d0d8005ff

SHA1
68515ad87b41f9bceb2d8075172296ecc24d03d5

SHA256
810fc21789bb615d152be0ca6874c248e8ee0bcd4869b2e1b342e11d36269db9

SHA512
5136da07771466cf93475de9ad31c1f5f8e151d1981486099673c96475ad1c00cb5d9b3a6fe339f30b3b354fcb914c91bea65a7050d415cdab1b534d221e3de6

Download Submit
memory/2088-11-0x0000000000400000-0x00000000023AF000-memory.dmp

Filesize
31.7MB

Download
memory/2088-10-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2088-17-0x0000000000400000-0x00000000023AF000-memory.dmp

Filesize
31.7MB

Download
memory/2088-9-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/2480-8-0x0000000000400000-0x00000000023AF000-memory.dmp

Filesize
31.7MB

Download
memory/2480-4-0x0000000000400000-0x00000000023AF000-memory.dmp

Filesize
31.7MB

Download
memory/2480-1-0x0000000002500000-0x0000000002600000-memory.dmp

Filesize
1024KB

Download
memory/2480-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2668-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2668-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2668-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2668-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2668-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2668-22-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads