5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1

General

Target

5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
Size

268KB
MD5

32c74e75b30423f71da094c9abed6c06
SHA1

e30def0eff21af4aca8c34e379b5c4caa628ba40
SHA256

5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1
SHA512

fcec012b331a5b79cd1638e119fe1b8cc69a4fe4f2111f3797ee0d9cb1966552494c8f151f9f638a84d5fa8ef3b66dbb3b3b2aef854eb0b42f603d3bc49bec84
SSDEEP

3072:VtTWSxQcdXCUkU/pXE0VaQRo5l7aOW//5LLCoyLVZXxsfCMCyMlj9l4LPjBO:Vt3RdXCUkypwvl7aOWn5Ss+Pks

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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pyrdobwbw.exe	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pyrdobwbw.exe\DisableExceptionChainValidation	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe

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

Security Software Discovery

T1063

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Avira	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\avast! Antivirus	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File created	C:\ProgramData\WinKernl64_32\desktop.ini	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 448 set thread context of 4604	448	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	84

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.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

pid	Process
4376	schtasks.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{AC57D367-EA19-6041-9448-C8A7C4425382}\611407E4\CG1	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{AC57D367-EA19-6041-9448-C8A7C4425382}	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{AC57D367-EA19-6041-9448-C8A7C4425382}\611407E4	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{AC57D367-EA19-6041-9448-C8A7C4425382}\611407E4\CG1\HAL = 05ee0000	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000_Classes\CLSID\{AC57D367-EA19-6041-9448-C8A7C4425382}\611407E4\CG1\BID = 200008001a000b00e6070000140000001a0005003100280000000000f4a88163	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4604	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
4604	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4604	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	4604	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
Token: SeBackupPrivilege	4604	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
Token: SeDebugPrivilege	4604	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
448	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 4604	448	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	84
PID 448 wrote to memory of 4604	448	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	84
PID 448 wrote to memory of 4604	448	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	84
PID 448 wrote to memory of 4604	448	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	84
PID 448 wrote to memory of 4604	448	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	84
PID 448 wrote to memory of 4604	448	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	84
PID 448 wrote to memory of 4604	448	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	84
PID 448 wrote to memory of 4604	448	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	84
PID 448 wrote to memory of 4604	448	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	84
PID 448 wrote to memory of 4604	448	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	84
PID 4604 wrote to memory of 4376	4604	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	87
PID 4604 wrote to memory of 4376	4604	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	87
PID 4604 wrote to memory of 4376	4604	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	87
PID 4604 wrote to memory of 2204	4604	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	90
PID 4604 wrote to memory of 2204	4604	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	90
PID 4604 wrote to memory of 2204	4604	5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe	90

C:\Users\Admin\AppData\Local\Temp\5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
"C:\Users\Admin\AppData\Local\Temp\5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:448
- C:\Users\Admin\AppData\Local\Temp\5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.exe
  "C:\Users\Admin\AppData\Local\Temp\5b48313826270d4bf66bccaa2ebd4d9c6409fd879a1d8454ed252230edb753c1.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:4604
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x611407E4" /TR "C:\ProgramData\WinKernl64_32\pyrdobwbw.exe" /RL HIGHEST
    3⤵
    - Creates scheduled task(s)
    PID:4376
- - C:\Windows\SysWOW64\WerFault.exe
    "C:\Windows\SysWOW64\WerFault.exe"
    3⤵
    PID:2204

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/448-134-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/2204-150-0x0000000001000000-0x0000000001091000-memory.dmp

Filesize
580KB

Download
memory/2204-149-0x0000000001000000-0x0000000001091000-memory.dmp

Filesize
580KB

Download
memory/2204-148-0x0000000000C80000-0x0000000000CFB000-memory.dmp

Filesize
492KB

Download
memory/4604-138-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4604-143-0x0000000000650000-0x000000000065B000-memory.dmp

Filesize
44KB

Download
memory/4604-144-0x00000000005C0000-0x000000000060B000-memory.dmp

Filesize
300KB

Download
memory/4604-142-0x00000000005C0000-0x000000000060B000-memory.dmp

Filesize
300KB

Download
memory/4604-141-0x00000000005C0000-0x000000000060B000-memory.dmp

Filesize
300KB

Download
memory/4604-147-0x00000000005C0000-0x000000000060B000-memory.dmp

Filesize
300KB

Download
memory/4604-140-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4604-136-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads