d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178

Analysis

max time kernel
148s
max time network
153s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/07/2026, 12:40

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General

Target
d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe
Size 1.9MB
Sample260721-pwbgsshf72
SHA256 d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178
MD5 b337c9c7fd6c94071c54695849b06c12
SHA1 94fccaeb18478debf5b4137c4203144680b1c437
SHA512 05d21ed9cb6ed3418e6fcd1d95123d2e14a5f420cf0f60bfae2e0954b3b78734265b38388dfff10dc8d9b62bb391dcd233390ee181472e5ddcee475185943f1c
SSDEEP 24576:wzFddNKn4qlcS8FArXOeMmG1eYjuhBkcLnoOGBnjVQwkuLRFMnlChZVAE/6+gCDa:wPnK4fFo/hPo7pPHVpZVN/6+gcGUU/z
TLSH
T125953397F14F9F19E1A22CB1D72BECD52914FC58D4A71B83834A7FE6AA312250B81743
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery persistence upx

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\Windows\System32\drivers\rDyoFAYV.sys	d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe
File created	C:\Windows\System32\drivers\orc8laNjR9nvZ8_.sys	d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe

Sets service image path in registry 3 TTPs 2 IoCs

This determines the executable launched when a service starts. It can be used to establish persistence.

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\rDyoFAYV\ImagePath = "system32\\DRIVERS\\rDyoFAYV.sys"	d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\orc8laNjR9nvZ8_\ImagePath = "system32\\DRIVERS\\orc8laNjR9nvZ8_.sys"	d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe

Executes dropped EXE 2 IoCs

pid	Process
3236	E5A3.tmp
5904	E612.tmp

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4288-0-0x0000000000080000-0x00000000005D2000-memory.dmp	upx
behavioral2/memory/4288-14-0x0000000000080000-0x00000000005D2000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
4288	d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe
4288	d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4288	d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe
Token: SeShutdownPrivilege	4288	d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe
Token: SeDebugPrivilege	4288	d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe
Token: SeDebugPrivilege	3236	E5A3.tmp
Token: SeDebugPrivilege	4288	d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe
Token: SeLoadDriverPrivilege	4288	d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe
Token: SeDebugPrivilege	5904	E612.tmp

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4288 wrote to memory of 3236	4288	d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe	88
PID 4288 wrote to memory of 5904	4288	d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe	89

C:\Users\Admin\AppData\Local\Temp\d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe
"C:\Users\Admin\AppData\Local\Temp\d977b194565c7d50becb7e190893a6049170f20e505b599eb3ecc690a2565178.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4288
- C:\Users\Admin\AppData\Local\Temp\E5A3.tmp
  "C:\Users\Admin\AppData\Local\Temp\E5A3.tmp" 672
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:3236
- C:\Users\Admin\AppData\Local\Temp\E612.tmp
  "C:\Users\Admin\AppData\Local\Temp\E612.tmp" 692
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:5904

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

E5A3.tmp

Path C:\Users\Admin\AppData\Local\Temp\E5A3.tmp
Size 463KB
SHA256 34294091d7a9cf11f49dd0e151ee7b28d79d5166e64891bc51f8a6a76d95ddcd
MD5 e2a43fa03222279482f66e694632ded3
SHA1 0b972a780df7b4829a277d22274b7c34f335ff93
SHA512 bb90876087fb101e5c4c666211105216fb9f0b745a748bcb498b49f651fcbb66f2f77a95ee6f3ce615cb2fb52ef375460f60e32f26452433c567a7b3270b9eb6
SSDEEP 12288:Deq98eSx5cA1zXpDm649VCClXyctmS5V2NDruFxkN:L9Fka8Xpe9VCClXyctmS5V2NPuFxkN
TLSH
T13BA48CD5779009F9D177C23CC9920A16E6B27826076097CF03B496BA1F237E29E3EB15
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4288-0-0x0000000000080000-0x00000000005D2000-memory.dmp

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memory/4288-1-0x00000000005D0000-0x00000000005D1000-memory.dmp

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memory/4288-14-0x0000000000080000-0x00000000005D2000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads