5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5

Analysis

max time kernel
38s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24/11/2022, 00:57

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General

Target

5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
Size

888KB
MD5

441ef2ee699135a4d809ecb917a2de68
SHA1

5c56e22a4615e2fe60fa24046c6f95d969d63c0f
SHA256

5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5
SHA512

7f68df44451b6d5d14ffae1479bc91a8e6c81a76571af8a26a8e37f861ef6203fed071d46b40820e60e1c1ab3c17eb0bb61db279eddc04a68802e8edda72d822
SSDEEP

6144:k3i8X7pt4Oti0BWmKWIBtOcI9SSbA+cuXhrwNAMStH53D8:k3TdtLW5WIj1YSSdFxevS

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe regsvr.exe"	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe

Disables Task Manager via registry modification
evasion

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Msn Messsenger = "C:\\Windows\\system32\\regsvr.exe"	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1388-56-0x0000000000400000-0x0000000000504000-memory.dmp	autoit_exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\regsvr.exe	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
File created	C:\Windows\SysWOW64\svchost .exe	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
File opened for modification	C:\Windows\SysWOW64\svchost .exe	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
File opened for modification	C:\Windows\SysWOW64\28463	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
File created	C:\Windows\SysWOW64\regsvr.exe	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\regsvr.exe	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
File opened for modification	C:\Windows\regsvr.exe	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe

Suspicious behavior: MapViewOfSection 20 IoCs

pid	Process
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1388 wrote to memory of 368	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	5
PID 1388 wrote to memory of 368	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	5
PID 1388 wrote to memory of 368	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	5
PID 1388 wrote to memory of 368	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	5
PID 1388 wrote to memory of 368	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	5
PID 1388 wrote to memory of 368	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	5
PID 1388 wrote to memory of 368	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	5
PID 1388 wrote to memory of 376	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	4
PID 1388 wrote to memory of 376	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	4
PID 1388 wrote to memory of 376	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	4
PID 1388 wrote to memory of 376	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	4
PID 1388 wrote to memory of 376	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	4
PID 1388 wrote to memory of 376	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	4
PID 1388 wrote to memory of 376	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	4
PID 1388 wrote to memory of 416	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	3
PID 1388 wrote to memory of 416	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	3
PID 1388 wrote to memory of 416	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	3
PID 1388 wrote to memory of 416	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	3
PID 1388 wrote to memory of 416	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	3
PID 1388 wrote to memory of 416	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	3
PID 1388 wrote to memory of 416	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	3
PID 1388 wrote to memory of 460	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	2
PID 1388 wrote to memory of 460	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	2
PID 1388 wrote to memory of 460	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	2
PID 1388 wrote to memory of 460	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	2
PID 1388 wrote to memory of 460	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	2
PID 1388 wrote to memory of 460	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	2
PID 1388 wrote to memory of 460	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	2
PID 1388 wrote to memory of 476	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	1
PID 1388 wrote to memory of 476	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	1
PID 1388 wrote to memory of 476	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	1
PID 1388 wrote to memory of 476	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	1
PID 1388 wrote to memory of 476	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	1
PID 1388 wrote to memory of 476	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	1
PID 1388 wrote to memory of 476	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	1
PID 1388 wrote to memory of 484	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	8
PID 1388 wrote to memory of 484	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	8
PID 1388 wrote to memory of 484	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	8
PID 1388 wrote to memory of 484	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	8
PID 1388 wrote to memory of 484	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	8
PID 1388 wrote to memory of 484	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	8
PID 1388 wrote to memory of 484	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	8
PID 1388 wrote to memory of 596	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	22
PID 1388 wrote to memory of 596	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	22
PID 1388 wrote to memory of 596	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	22
PID 1388 wrote to memory of 596	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	22
PID 1388 wrote to memory of 596	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	22
PID 1388 wrote to memory of 596	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	22
PID 1388 wrote to memory of 596	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	22
PID 1388 wrote to memory of 676	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	21
PID 1388 wrote to memory of 676	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	21
PID 1388 wrote to memory of 676	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	21
PID 1388 wrote to memory of 676	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	21
PID 1388 wrote to memory of 676	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	21
PID 1388 wrote to memory of 676	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	21
PID 1388 wrote to memory of 676	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	21
PID 1388 wrote to memory of 752	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	9
PID 1388 wrote to memory of 752	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	9
PID 1388 wrote to memory of 752	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	9
PID 1388 wrote to memory of 752	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	9
PID 1388 wrote to memory of 752	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	9
PID 1388 wrote to memory of 752	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	9
PID 1388 wrote to memory of 752	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	9
PID 1388 wrote to memory of 808	1388	5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe	18

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:476

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:460
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  PID:752
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:844
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:328
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:536
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1260
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1040
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  PID:868
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:808
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:1980
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:676
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:596
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:2024

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:416

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:376

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:368
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:484

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1344

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1396
- C:\Users\Admin\AppData\Local\Temp\5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe
  "C:\Users\Admin\AppData\Local\Temp\5da5800a540786a00d8a63ab079f28482bdde7f77ef4460bc4d13e488e70fbf5.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Disables RegEdit via registry modification
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1388-54-0x0000000000400000-0x0000000000504000-memory.dmp

Filesize
1.0MB

Download
memory/1388-55-0x00000000768A1000-0x00000000768A3000-memory.dmp

Filesize
8KB

Download
memory/1388-56-0x0000000000400000-0x0000000000504000-memory.dmp

Filesize
1.0MB

Download