bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570

General

Target

bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
Size

188KB
MD5

e2dfeedddcad222a0edb6e4a9b5205a4
SHA1

28b295ca49a0ad53781268d1c3e8d27d2234906d
SHA256

bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570
SHA512

4d11e449ebca7fafd21695344b09cad1978c1805f1bc104678450dd8305247890d0b9b4e2299bb2a1c5cf5ca744e57181fb9a6d0181d74d8ea8052e2109cd8c4
SSDEEP

3072:hxAyNAeOYtRDbbUWPe2kosiRspAeYsqXCJupklH9JklY:hKqATYrD/3spVjqCupkjJkl

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\jtkyyvgiu.exe\DisableExceptionChainValidation	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\jtkyyvgiu.exe	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe

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	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\jhgvy76765guhb = "\"C:\\ProgramData\\jhgvy76765guhb0\\jtkyyvgiu.exe\""	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.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	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\avast! Antivirus	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1424 set thread context of 2008	1424	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	26

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 3 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	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.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
940	schtasks.exe

Modifies registry class 7 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{77EA3186-8144-5C4E-B6D2-DFC4D6E800A6}\090301DC\ê'üt3\BID = 2000080007000c00e60700001400000007000200290014000000000050fd8f63	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{77EA3186-8144-5C4E-B6D2-DFC4D6E800A6}\090301DC\CG1	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{77EA3186-8144-5C4E-B6D2-DFC4D6E800A6}	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{77EA3186-8144-5C4E-B6D2-DFC4D6E800A6}\090301DC	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{77EA3186-8144-5C4E-B6D2-DFC4D6E800A6}\090301DC\CG1\HAL = 05ee0000	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\CLSID\{77EA3186-8144-5C4E-B6D2-DFC4D6E800A6}\090301DC\ê'üt3	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
Token: SeBackupPrivilege	2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
Token: SeDebugPrivilege	2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1424	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 2008	1424	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	26
PID 1424 wrote to memory of 2008	1424	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	26
PID 1424 wrote to memory of 2008	1424	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	26
PID 1424 wrote to memory of 2008	1424	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	26
PID 1424 wrote to memory of 2008	1424	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	26
PID 1424 wrote to memory of 2008	1424	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	26
PID 1424 wrote to memory of 2008	1424	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	26
PID 1424 wrote to memory of 2008	1424	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	26
PID 1424 wrote to memory of 2008	1424	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	26
PID 1424 wrote to memory of 2008	1424	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	26
PID 2008 wrote to memory of 940	2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	27
PID 2008 wrote to memory of 940	2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	27
PID 2008 wrote to memory of 940	2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	27
PID 2008 wrote to memory of 940	2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	27
PID 2008 wrote to memory of 1736	2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	29
PID 2008 wrote to memory of 1736	2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	29
PID 2008 wrote to memory of 1736	2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	29
PID 2008 wrote to memory of 1736	2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	29
PID 2008 wrote to memory of 1736	2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	29
PID 2008 wrote to memory of 1736	2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	29
PID 2008 wrote to memory of 1736	2008	bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe	29

C:\Users\Admin\AppData\Local\Temp\bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
"C:\Users\Admin\AppData\Local\Temp\bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Users\Admin\AppData\Local\Temp\bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe
  "C:\Users\Admin\AppData\Local\Temp\bc77acb3b3079ba45c7d7bdc23cadb7f082ae19314e5c33e487712d7cb5d9570.exe"
  2⤵
  - Sets file execution options in registry
  - Adds Run key to start application
  - Checks for any installed AV software in registry
  - Checks processor information in registry
  - Modifies registry class
  - Suspicious behavior: MapViewOfSection
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2008
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /CREATE /SC ONLOGON /TN "Windows Update Check - 0x090301DC" /TR "C:\ProgramData\jhgvy76765guhb0\jtkyyvgiu.exe" /RL HIGHEST
    3⤵
    - Creates scheduled task(s)
    PID:940
- - C:\Windows\SysWOW64\WerFault.exe
    "C:\Windows\SysWOW64\WerFault.exe"
    3⤵
    PID:1736

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

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

Security Software Discovery

1

T1063

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/940-67-0x0000000000000000-mapping.dmp

Download
memory/1424-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1424-56-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1736-73-0x0000000077670000-0x00000000777F1000-memory.dmp

Filesize
1.5MB

Download
memory/1736-72-0x0000000000090000-0x000000000010B000-memory.dmp

Filesize
492KB

Download
memory/1736-70-0x0000000000090000-0x000000000010B000-memory.dmp

Filesize
492KB

Download
memory/1736-71-0x0000000077670000-0x00000000777F1000-memory.dmp

Filesize
1.5MB

Download
memory/1736-68-0x0000000000000000-mapping.dmp

Download
memory/2008-61-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2008-66-0x00000000003D0000-0x00000000003D9000-memory.dmp

Filesize
36KB

Download
memory/2008-69-0x0000000000320000-0x0000000000369000-memory.dmp

Filesize
292KB

Download
memory/2008-65-0x0000000000320000-0x0000000000369000-memory.dmp

Filesize
292KB

Download
memory/2008-64-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/2008-63-0x0000000076151000-0x0000000076153000-memory.dmp

Filesize
8KB

Download
memory/2008-58-0x00000000004011E8-mapping.dmp

Download
memory/2008-57-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads