37a5a9ec80b51e8f6a740207b12c7e9ce4b57fca3380df5e8ae548a88a6bff7d

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02/06/2024, 14:32

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General

Target

37a5a9ec80b51e8f6a740207b12c7e9ce4b57fca3380df5e8ae548a88a6bff7d.exe
Size

2.0MB
MD5

c3e9b5fbcfb4543dda9298b851e086d8
SHA1

73e2a36613d81563673ec0415eb0e799ff7559b7
SHA256

37a5a9ec80b51e8f6a740207b12c7e9ce4b57fca3380df5e8ae548a88a6bff7d
SHA512

a6ecd499b088685d71a910baa9f667a964c0827978e05019eae43f85a8eb9622c57e3b2460d16ce37d30739198fa159aeb8eed9d39228ea8a447ee201c6c6268
SSDEEP

49152:jLN+GE3pLN+GE3vMd708Ms6fjOx36i/DnJeMHsxmz:jLN+GMLN+GUpfSx36i/rqmz

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\msfsa = "C:\\windows\\tsay.exe"	37a5a9ec80b51e8f6a740207b12c7e9ce4b57fca3380df5e8ae548a88a6bff7d.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\windows\tsay.exe	37a5a9ec80b51e8f6a740207b12c7e9ce4b57fca3380df5e8ae548a88a6bff7d.exe
File created	C:\windows\tsay.exe	37a5a9ec80b51e8f6a740207b12c7e9ce4b57fca3380df5e8ae548a88a6bff7d.exe

C:\Users\Admin\AppData\Local\Temp\37a5a9ec80b51e8f6a740207b12c7e9ce4b57fca3380df5e8ae548a88a6bff7d.exe
"C:\Users\Admin\AppData\Local\Temp\37a5a9ec80b51e8f6a740207b12c7e9ce4b57fca3380df5e8ae548a88a6bff7d.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
PID:4480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4480-0-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/4480-1-0x00000000020E0000-0x00000000020E1000-memory.dmp

Filesize
4KB

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memory/4480-4-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads