ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074

General

Target

ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe
Size

544KB
MD5

29822b39493b8f61502166c43df96d9c
SHA1

0c0bc4af21d59af00a6a7f991b3f97bfeb624ba7
SHA256

ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074
SHA512

63b1d7dfbad8a81c42d3629deba18e0c5a0df289dd14cae442da6feddaba9b14dc857cfeb6e761572754eb9ff788c1a4a968b3c8dfcf4d4146b247e9b75a7066
SSDEEP

12288:YBMmKGnhDT+JlCdc9ecOdQv/8Gxj7zShD0dty2S:6MmnDC+dgendIxFNb

Score

10^/10

evasion persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 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 \"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	lsass.exe

Executes dropped EXE 2 IoCs

pid	Process
4924	lsass.exe
4808	lsass.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4936	netsh.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4904-132-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral2/memory/4904-136-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral2/files/0x000300000000071d-141.dat	upx
behavioral2/files/0x000300000000071d-142.dat	upx
behavioral2/memory/4924-145-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral2/files/0x000300000000071d-147.dat	upx
behavioral2/memory/4924-149-0x0000000000400000-0x00000000004B6000-memory.dmp	upx

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	lsass.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	lsass.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	lsass.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\lsass.exe\""	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	lsass.exe

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4904-132-0x0000000000400000-0x00000000004B6000-memory.dmp	autoit_exe
behavioral2/memory/4904-136-0x0000000000400000-0x00000000004B6000-memory.dmp	autoit_exe
behavioral2/memory/4924-145-0x0000000000400000-0x00000000004B6000-memory.dmp	autoit_exe
behavioral2/memory/4924-149-0x0000000000400000-0x00000000004B6000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4904 set thread context of 4840	4904	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe	83
PID 4924 set thread context of 4808	4924	lsass.exe	87

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4840	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe
4808	lsass.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 4840	4904	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe	83
PID 4904 wrote to memory of 4840	4904	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe	83
PID 4904 wrote to memory of 4840	4904	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe	83
PID 4904 wrote to memory of 4840	4904	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe	83
PID 4904 wrote to memory of 4840	4904	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe	83
PID 4904 wrote to memory of 4840	4904	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe	83
PID 4904 wrote to memory of 4840	4904	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe	83
PID 4840 wrote to memory of 4936	4840	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe	84
PID 4840 wrote to memory of 4936	4840	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe	84
PID 4840 wrote to memory of 4936	4840	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe	84
PID 4840 wrote to memory of 4924	4840	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe	86
PID 4840 wrote to memory of 4924	4840	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe	86
PID 4840 wrote to memory of 4924	4840	ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe	86
PID 4924 wrote to memory of 4808	4924	lsass.exe	87
PID 4924 wrote to memory of 4808	4924	lsass.exe	87
PID 4924 wrote to memory of 4808	4924	lsass.exe	87
PID 4924 wrote to memory of 4808	4924	lsass.exe	87
PID 4924 wrote to memory of 4808	4924	lsass.exe	87
PID 4924 wrote to memory of 4808	4924	lsass.exe	87
PID 4924 wrote to memory of 4808	4924	lsass.exe	87

C:\Users\Admin\AppData\Local\Temp\ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe
"C:\Users\Admin\AppData\Local\Temp\ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Users\Admin\AppData\Local\Temp\ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe
  "C:\Users\Admin\AppData\Local\Temp\ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4840
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram program = C:\Users\Admin\AppData\Roaming\lsass.exename = Nero mode = ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4936
- - C:\Users\Admin\AppData\Roaming\lsass.exe
    "C:\Users\Admin\AppData\Roaming\lsass.exe" /d C:\Users\Admin\AppData\Local\Temp\ba028a926d29c6e6099385b893cc31fc22c42bfd55cffde514397b648bbfa074.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4924
  - - C:\Users\Admin\AppData\Roaming\lsass.exe
      "C:\Users\Admin\AppData\Roaming\lsass.exe"
      4⤵
      Modifies WinLogon for persistence
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetWindowsHookEx
      PID:4808

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\lsass.exe

Filesize
544KB

MD5
c53a8b7ec68db3d859b8ad2a39cf7d98

SHA1
38d6a8d24dc316dfb184d88a7e6cef6480a89ed1

SHA256
2e7f807e3d0b881e45416a822edabbd4ea4dc8499b2541461f748271953aeb67

SHA512
5c59f9ea1136d5e764fa82407fa93c425b1070dbb6f4ab19395b274b7df44c62661be562c0e0ab6af9c675b6874b82fe0fb8601c543609b6c32669e395f79b5b

Download Submit
C:\Users\Admin\AppData\Roaming\lsass.exe

Filesize
544KB

MD5
c53a8b7ec68db3d859b8ad2a39cf7d98

SHA1
38d6a8d24dc316dfb184d88a7e6cef6480a89ed1

SHA256
2e7f807e3d0b881e45416a822edabbd4ea4dc8499b2541461f748271953aeb67

SHA512
5c59f9ea1136d5e764fa82407fa93c425b1070dbb6f4ab19395b274b7df44c62661be562c0e0ab6af9c675b6874b82fe0fb8601c543609b6c32669e395f79b5b

Download Submit
C:\Users\Admin\AppData\Roaming\lsass.exe

Filesize
544KB

MD5
c53a8b7ec68db3d859b8ad2a39cf7d98

SHA1
38d6a8d24dc316dfb184d88a7e6cef6480a89ed1

SHA256
2e7f807e3d0b881e45416a822edabbd4ea4dc8499b2541461f748271953aeb67

SHA512
5c59f9ea1136d5e764fa82407fa93c425b1070dbb6f4ab19395b274b7df44c62661be562c0e0ab6af9c675b6874b82fe0fb8601c543609b6c32669e395f79b5b

Download Submit
memory/4808-152-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4808-153-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4840-134-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4840-143-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4904-136-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/4904-132-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/4924-145-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/4924-149-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads