48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e

General

Target

48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe
Size

189KB
MD5

cce156bd2542f0ba7ef8be04f71f8213
SHA1

43b27bc43f297a01e24794066321d637a76c70e2
SHA256

48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e
SHA512

6fd46f52efb038e69e6b0beaf25793b7d6d7f8d9e677683836ebce3da41c80ddf3ae99d76d501c88e2ccd951f631df12b3fe7fed8d5cba7397c6c1383392f6df

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

winolyr.exe

pid process

964 winolyr.exe

pid	process
964	winolyr.exe

Loads dropped DLL 2 IoCs

Processes:

48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe

pid	process
884	48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe
884	48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update 9657486 = "C:\\Windows\\5335300410256440\\winolyr.exe"	48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update 9657486 = "C:\\Windows\\5335300410256440\\winolyr.exe"	48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe

Drops file in Windows directory 3 IoCs

Processes:

48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe

description	ioc	process
File opened for modification	C:\Windows\5335300410256440\winolyr.exe	48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe
File opened for modification	C:\Windows\5335300410256440	48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe
File created	C:\Windows\5335300410256440\winolyr.exe	48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe

description	pid	process	target process
PID 884 wrote to memory of 964	884	48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe	winolyr.exe
PID 884 wrote to memory of 964	884	48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe	winolyr.exe
PID 884 wrote to memory of 964	884	48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe	winolyr.exe
PID 884 wrote to memory of 964	884	48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe	winolyr.exe

C:\Users\Admin\AppData\Local\Temp\48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe
"C:\Users\Admin\AppData\Local\Temp\48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:884
- C:\Windows\5335300410256440\winolyr.exe
  C:\Windows\5335300410256440\winolyr.exe
  2⤵
  - Executes dropped EXE
  PID:964

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\5335300410256440\winolyr.exe

Filesize
189KB

MD5
cce156bd2542f0ba7ef8be04f71f8213

SHA1
43b27bc43f297a01e24794066321d637a76c70e2

SHA256
48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e

SHA512
6fd46f52efb038e69e6b0beaf25793b7d6d7f8d9e677683836ebce3da41c80ddf3ae99d76d501c88e2ccd951f631df12b3fe7fed8d5cba7397c6c1383392f6df

Download Submit
\Windows\5335300410256440\winolyr.exe

Filesize
189KB

MD5
cce156bd2542f0ba7ef8be04f71f8213

SHA1
43b27bc43f297a01e24794066321d637a76c70e2

SHA256
48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e

SHA512
6fd46f52efb038e69e6b0beaf25793b7d6d7f8d9e677683836ebce3da41c80ddf3ae99d76d501c88e2ccd951f631df12b3fe7fed8d5cba7397c6c1383392f6df

Download Submit
\Windows\5335300410256440\winolyr.exe

Filesize
189KB

MD5
cce156bd2542f0ba7ef8be04f71f8213

SHA1
43b27bc43f297a01e24794066321d637a76c70e2

SHA256
48c92faf37beda2ea09cea7d094a546d93cd0502a023eddac5d021497ada750e

SHA512
6fd46f52efb038e69e6b0beaf25793b7d6d7f8d9e677683836ebce3da41c80ddf3ae99d76d501c88e2ccd951f631df12b3fe7fed8d5cba7397c6c1383392f6df

Download Submit
memory/884-54-0x0000000074C81000-0x0000000074C83000-memory.dmp

Filesize
8KB

Download
memory/884-55-0x0000000000784000-0x0000000000788000-memory.dmp

Filesize
16KB

Download
memory/884-56-0x0000000000784000-0x0000000000788000-memory.dmp

Filesize
16KB

Download
memory/884-57-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download
memory/964-60-0x0000000000000000-mapping.dmp

Download
memory/964-63-0x0000000000744000-0x0000000000748000-memory.dmp

Filesize
16KB

Download
memory/964-64-0x0000000000744000-0x0000000000748000-memory.dmp

Filesize
16KB

Download
memory/964-65-0x0000000000400000-0x000000000059E000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads