Malware Analysis Report

2025-01-23 12:21

Sample ID 210907-gwjt6scaa4
Target b77f695ff45d0ae0eeafef3dd41ae7c89bc56036a3ef0f4168509bae54c8db9c
SHA256 b77f695ff45d0ae0eeafef3dd41ae7c89bc56036a3ef0f4168509bae54c8db9c
Tags
ammyyadmin rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b77f695ff45d0ae0eeafef3dd41ae7c89bc56036a3ef0f4168509bae54c8db9c

Threat Level: Known bad

The file b77f695ff45d0ae0eeafef3dd41ae7c89bc56036a3ef0f4168509bae54c8db9c was found to be: Known bad.

Malicious Activity Summary

ammyyadmin rat

AmmyyAdmin Payload

Ammyyadmin family

Ammyy Admin

Executes dropped EXE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-09-16 13:32

Signatures

AmmyyAdmin Payload

Description Indicator Process Target
N/A N/A N/A N/A

Ammyyadmin family

ammyyadmin

Analysis: behavioral1

Detonation Overview

Submitted

2021-09-07 06:09

Reported

2021-09-07 06:10

Platform

win7-en

Max time network

3s

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

Country Destination Domain Proto
N/A 10.0.0.1:67 udp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2021-09-07 06:09

Reported

2021-09-07 06:12

Platform

win10-en

Max time kernel

140s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b77f695ff45d0ae0eeafef3dd41ae7c89bc56036a3ef0f4168509bae54c8db9c.exe"

Signatures

Ammyy Admin

rat ammyyadmin

AmmyyAdmin Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\budha.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\b77f695ff45d0ae0eeafef3dd41ae7c89bc56036a3ef0f4168509bae54c8db9c.exe

"C:\Users\Admin\AppData\Local\Temp\b77f695ff45d0ae0eeafef3dd41ae7c89bc56036a3ef0f4168509bae54c8db9c.exe"

C:\Users\Admin\AppData\Local\Temp\budha.exe

"C:\Users\Admin\AppData\Local\Temp\budha.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 maitikio.com udp
BE 35.205.61.67:443 maitikio.com tcp
BE 35.205.61.67:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
BE 35.205.61.67:443 maitikio.com tcp
BE 35.205.61.67:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
BE 35.205.61.67:443 maitikio.com tcp
BE 35.205.61.67:443 maitikio.com tcp
US 8.8.8.8:53 cry-havok.org udp
BE 35.205.61.67:443 maitikio.com tcp

Files

memory/2672-115-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\budha.exe

MD5 8136552415eb9ab52d1f88fc08c7db30
SHA1 fbe237761b472fe73636d7324d1c61a06e56d401
SHA256 21080b21270a803f132267a20cf8293c9468d87b860eba8d16bbd04bbc08328e
SHA512 84c9bc1a61f63d279434d2a0d2ef66e9d5a57017f350e92ffc6f96622bcb3e63087fda80490007b7a996724b6d695c71b3b8e2bdba4dbc02f85befa83b811fe0

C:\Users\Admin\AppData\Local\Temp\budha.exe

MD5 8136552415eb9ab52d1f88fc08c7db30
SHA1 fbe237761b472fe73636d7324d1c61a06e56d401
SHA256 21080b21270a803f132267a20cf8293c9468d87b860eba8d16bbd04bbc08328e
SHA512 84c9bc1a61f63d279434d2a0d2ef66e9d5a57017f350e92ffc6f96622bcb3e63087fda80490007b7a996724b6d695c71b3b8e2bdba4dbc02f85befa83b811fe0

memory/3992-118-0x0000000002320000-0x0000000002321000-memory.dmp

memory/2672-119-0x0000000002530000-0x0000000002930000-memory.dmp

memory/3992-120-0x0000000002670000-0x0000000002A70000-memory.dmp

memory/2672-121-0x00000000021E0000-0x00000000021E1000-memory.dmp