f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4

General

Target

f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe
Size

236KB
MD5

571b029db85a310dac5d7f7812612e52
SHA1

2b35f677215061778e23be1004d280e6e10942c8
SHA256

f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4
SHA512

ad501cc8920e87304d1edd0245e1a09ab0fc73dc8d6e6bd3c41f2c7027643fef5b1b3d88da428f45dde11010364982d9b7f92718df19f8dd745baa0ee1ddfe26
SSDEEP

3072:NdNhROjlwKzzGKXWr8oYLVp0uP5cPLa6KMWM+x2rfdnpcJMyaegtmNZW6g4Y:Nt1mzGkoYZpDPCPLa64fmdK+dtCe

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exeloyov.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	loyov.exe

Executes dropped EXE 1 IoCs

Processes:

loyov.exe

pid process

1520 loyov.exe

pid	process
1520	loyov.exe

Loads dropped DLL 2 IoCs

Processes:

f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe

pid	process
1076	f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe
1076	f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exeloyov.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /t"	f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /y"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /w"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /m"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /n"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /d"	loyov.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\	f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /z"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /e"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /x"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /k"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /a"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /v"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /u"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /g"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /b"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /i"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /r"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /l"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /f"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /h"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /t"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /p"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /c"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /q"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /o"	loyov.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /j"	loyov.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\loyov = "C:\\Users\\Admin\\loyov.exe /s"	loyov.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exeloyov.exe

pid	process
1076	f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe
1520	loyov.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exeloyov.exe

pid process

1076 f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe
1520 loyov.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe

description	pid	process	target process
PID 1076 wrote to memory of 1520	1076	f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe	loyov.exe
PID 1076 wrote to memory of 1520	1076	f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe	loyov.exe
PID 1076 wrote to memory of 1520	1076	f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe	loyov.exe
PID 1076 wrote to memory of 1520	1076	f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe	loyov.exe

C:\Users\Admin\AppData\Local\Temp\f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe
"C:\Users\Admin\AppData\Local\Temp\f8e2fb1d7398fed7e143a30d5214ae87c835f41878deab413710a7c877cf9fc4.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1076

C:\Users\Admin\loyov.exe
"C:\Users\Admin\loyov.exe"
2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1520

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\loyov.exe

Filesize
236KB

MD5
fd39f71ccfa7b5c984f67f3797573c79

SHA1
fcb39a7e6c09eea81a8796beb21382aaaf377e00

SHA256
28de8c640411f59e99028142d0825127ed1d1303443654bc4f49ee3f53eaac4e

SHA512
16864e1ea1f27b5f566c232c6d3910a3bd5bee68e278e8601a0125cfe00a9237cac06fde0c972f505ea363e052b09af15e63fc3781a2f512452e985a5f28d211

Download Submit
C:\Users\Admin\loyov.exe

Filesize
236KB

MD5
fd39f71ccfa7b5c984f67f3797573c79

SHA1
fcb39a7e6c09eea81a8796beb21382aaaf377e00

SHA256
28de8c640411f59e99028142d0825127ed1d1303443654bc4f49ee3f53eaac4e

SHA512
16864e1ea1f27b5f566c232c6d3910a3bd5bee68e278e8601a0125cfe00a9237cac06fde0c972f505ea363e052b09af15e63fc3781a2f512452e985a5f28d211

Download Submit
\Users\Admin\loyov.exe

Filesize
236KB

MD5
fd39f71ccfa7b5c984f67f3797573c79

SHA1
fcb39a7e6c09eea81a8796beb21382aaaf377e00

SHA256
28de8c640411f59e99028142d0825127ed1d1303443654bc4f49ee3f53eaac4e

SHA512
16864e1ea1f27b5f566c232c6d3910a3bd5bee68e278e8601a0125cfe00a9237cac06fde0c972f505ea363e052b09af15e63fc3781a2f512452e985a5f28d211

Download Submit
\Users\Admin\loyov.exe

Filesize
236KB

MD5
fd39f71ccfa7b5c984f67f3797573c79

SHA1
fcb39a7e6c09eea81a8796beb21382aaaf377e00

SHA256
28de8c640411f59e99028142d0825127ed1d1303443654bc4f49ee3f53eaac4e

SHA512
16864e1ea1f27b5f566c232c6d3910a3bd5bee68e278e8601a0125cfe00a9237cac06fde0c972f505ea363e052b09af15e63fc3781a2f512452e985a5f28d211

Download Submit
memory/1076-56-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1076-57-0x0000000075141000-0x0000000075143000-memory.dmp

Filesize
8KB

Download
memory/1076-65-0x0000000003080000-0x00000000030D7000-memory.dmp

Filesize
348KB

Download
memory/1076-66-0x0000000003080000-0x00000000030D7000-memory.dmp

Filesize
348KB

Download
memory/1076-69-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1520-60-0x0000000000000000-mapping.dmp

Download
memory/1520-67-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1520-70-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads