db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419

General

Target

db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
Size

516KB
MD5

d02f0af0402ac1abdcea33faccf55e82
SHA1

9edee04da2f3230ac265c3f86c5cb11a2518bfee
SHA256

db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419
SHA512

99a781dc21a45fb91bb6c7cc0e0dd76c58b00434b8dcd459c4f801cd2fb486bb6f8ad2486728fc0ae2463cdcca816be53f1c1df21e4cb64f75cea5dc76963915
SSDEEP

6144:gfGqIV9mizU70SQg8xjcgwRPdbRLpvAtL5Nqh689z2J6ypEBIMvO1Kt:gfGqg9miiPQgCojVb7CLLOz2JoBIM2Et

Score

8^/10

persistence

Malware Config

Signatures

Sets file execution options in registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\caiucahwc.exe	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\caiucahwc.exe\DisableExceptionChainValidation	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

Checks for any installed AV software in registry 1 TTPs 2 IoCs

Security Software Discovery

T1063

Processes:

db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\avast! Antivirus	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

Drops desktop.ini file(s) 1 IoCs

Processes:

db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

description ioc process

File created C:\ProgramData\iexplorer\desktop.ini db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

description	ioc	process
File created	C:\ProgramData\iexplorer\desktop.ini	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

description	pid	process	target process
PID 1828 set thread context of 4452	1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

5100 schtasks.exe

pid	process
5100	schtasks.exe

Modifies registry class 6 IoCs

Processes:

db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000_Classes\CLSID\{DF4D9E05-74C7-ED4C-B8DC-1538DEC7D492}\5F5307BC\CG1	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000_Classes\CLSID	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000_Classes\CLSID\{DF4D9E05-74C7-ED4C-B8DC-1538DEC7D492}	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
Key created	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000_Classes\CLSID\{DF4D9E05-74C7-ED4C-B8DC-1538DEC7D492}\5F5307BC	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000_Classes\CLSID\{DF4D9E05-74C7-ED4C-B8DC-1538DEC7D492}\5F5307BC\CG1\HAL = 05ee0000	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000_Classes\CLSID\{DF4D9E05-74C7-ED4C-B8DC-1538DEC7D492}\5F5307BC\CG1\BID = 2000080017000b00e607000014000000170011003b00120000000000765f7e63	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

pid	process
1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

pid	process
4452	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
4452	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

pid process

4452 db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

description	pid	process
Token: SeRestorePrivilege	4452	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
Token: SeBackupPrivilege	4452	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
Token: SeDebugPrivilege	4452	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

pid	process
1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.execmd.exenet.exedb81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe

description	pid	process	target process
PID 1828 wrote to memory of 1372	1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	cmd.exe
PID 1828 wrote to memory of 1372	1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	cmd.exe
PID 1828 wrote to memory of 1372	1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	cmd.exe
PID 1828 wrote to memory of 4452	1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
PID 1828 wrote to memory of 4452	1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
PID 1828 wrote to memory of 4452	1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
PID 1828 wrote to memory of 4452	1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
PID 1828 wrote to memory of 4452	1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
PID 1828 wrote to memory of 4452	1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
PID 1828 wrote to memory of 4452	1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
PID 1828 wrote to memory of 4452	1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
PID 1828 wrote to memory of 4452	1828	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
PID 1372 wrote to memory of 3704	1372	cmd.exe	net.exe
PID 1372 wrote to memory of 3704	1372	cmd.exe	net.exe
PID 1372 wrote to memory of 3704	1372	cmd.exe	net.exe
PID 3704 wrote to memory of 2432	3704	net.exe	net1.exe
PID 3704 wrote to memory of 2432	3704	net.exe	net1.exe
PID 3704 wrote to memory of 2432	3704	net.exe	net1.exe
PID 4452 wrote to memory of 5100	4452	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	schtasks.exe
PID 4452 wrote to memory of 5100	4452	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	schtasks.exe
PID 4452 wrote to memory of 5100	4452	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	schtasks.exe
PID 4452 wrote to memory of 2268	4452	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	WerFault.exe
PID 4452 wrote to memory of 2268	4452	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	WerFault.exe
PID 4452 wrote to memory of 2268	4452	db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
"C:\Users\Admin\AppData\Local\Temp\db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Windows\SysWOW64\cmd.exe
  /c net stop MpsSvc
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1372
- - C:\Windows\SysWOW64\net.exe
    net stop MpsSvc
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3704
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop MpsSvc
      4⤵
      PID:2432
- C:\Users\Admin\AppData\Local\Temp\db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
  C:\Users\Admin\AppData\Local\Temp\db81c36176b8ba86f2069bece6601af6695cdc34ed665d7db00b44d2270ef419.exe
  2⤵
  - Sets file execution options in registry
  - Checks computer location settings
  - Checks for any installed AV software in registry
  - Drops desktop.ini file(s)
  - Checks processor information in registry
  - Modifies registry class
  - Suspicious behavior: MapViewOfSection
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4452
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x5F5307BC" /TR "C:\ProgramData\iexplorer\caiucahwc.exe" /RL HIGHEST
    3⤵
    - Creates scheduled task(s)
    PID:5100
- - C:\Windows\SysWOW64\WerFault.exe
    "C:\Windows\SysWOW64\WerFault.exe"
    3⤵
    PID:2268

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Security Software Discovery

1

T1063

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1372-132-0x0000000000000000-mapping.dmp

Download
memory/1828-137-0x00000000022B0000-0x00000000022B4000-memory.dmp

Filesize
16KB

Download
memory/2268-146-0x0000000000000000-mapping.dmp

Download
memory/2268-148-0x00000000000C0000-0x000000000013B000-memory.dmp

Filesize
492KB

Download
memory/2268-150-0x0000000000470000-0x000000000053F000-memory.dmp

Filesize
828KB

Download
memory/2268-149-0x0000000000470000-0x000000000053F000-memory.dmp

Filesize
828KB

Download
memory/2432-140-0x0000000000000000-mapping.dmp

Download
memory/3704-139-0x0000000000000000-mapping.dmp

Download
memory/4452-143-0x0000000000510000-0x000000000055B000-memory.dmp

Filesize
300KB

Download
memory/4452-136-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4452-144-0x0000000002140000-0x000000000214B000-memory.dmp

Filesize
44KB

Download
memory/4452-133-0x0000000000000000-mapping.dmp

Download
memory/4452-147-0x0000000000510000-0x000000000055B000-memory.dmp

Filesize
300KB

Download
memory/4452-142-0x0000000000510000-0x000000000055B000-memory.dmp

Filesize
300KB

Download
memory/4452-141-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4452-134-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/5100-145-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads