Malware Analysis Report

2025-08-05 17:02

Sample ID 240107-yb6xmsdfb8
Target a5a32a6ee05184ac6a06b8e2097900ab.exe
SHA256 3bbde22a359e87d031d57a749ffedbed03268f435ef4982a5421f3b0df19e380
Tags
ramnit banker spyware stealer trojan upx worm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

3bbde22a359e87d031d57a749ffedbed03268f435ef4982a5421f3b0df19e380

Threat Level: Known bad

The file a5a32a6ee05184ac6a06b8e2097900ab.exe was found to be: Known bad.

Malicious Activity Summary

ramnit banker spyware stealer trojan upx worm

Ramnit

Loads dropped DLL

UPX packed file

Program crash

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-07 19:37

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-07 19:37

Reported

2024-01-07 19:40

Platform

win7-20231215-en

Max time kernel

122s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a5a32a6ee05184ac6a06b8e2097900ab.exe"

Signatures

Ramnit

trojan spyware stealer worm banker ramnit

UPX packed file

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

Processes

C:\Users\Admin\AppData\Local\Temp\a5a32a6ee05184ac6a06b8e2097900ab.exe

"C:\Users\Admin\AppData\Local\Temp\a5a32a6ee05184ac6a06b8e2097900ab.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 100

Network

N/A

Files

memory/2152-0-0x0000000000400000-0x0000000000423000-memory.dmp

memory/2152-3-0x0000000000400000-0x0000000000423000-memory.dmp

memory/2152-2-0x00000000001B0000-0x00000000001D3000-memory.dmp

memory/2152-6-0x00000000770AF000-0x00000000770B1000-memory.dmp

memory/2152-8-0x00000000770B0000-0x00000000770B2000-memory.dmp

memory/2152-7-0x00000000770B0000-0x00000000770B1000-memory.dmp

\Users\Admin\AppData\Local\Temp\~TM6EF9.tmp

MD5 59f264ca492edb26629a7707c8f8dad2
SHA1 0a830790b930c73c7e5cee1e8ca5cbc764c1b845
SHA256 34e2e6f2a662292adf7d4673d86deae818902e3a6147be1ca62d2171f3a6f700
SHA512 47dae259c3dccc5f074ceacea6f502b52f6e348a6f735f1faba1c7f7e73da74869363b96800698e68c9ff0b254d9fc3dece79bfcbcd651d92571938385c3763f

memory/2152-12-0x0000000075D10000-0x0000000075E20000-memory.dmp

memory/2152-14-0x0000000000400000-0x0000000000423000-memory.dmp

memory/2152-15-0x0000000075D10000-0x0000000075E20000-memory.dmp

memory/2152-13-0x0000000075D10000-0x0000000075E20000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-07 19:37

Reported

2024-01-07 19:40

Platform

win10v2004-20231215-en

Max time kernel

147s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a5a32a6ee05184ac6a06b8e2097900ab.exe"

Signatures

Ramnit

trojan spyware stealer worm banker ramnit

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a5a32a6ee05184ac6a06b8e2097900ab.exe N/A

UPX packed file

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

Processes

C:\Users\Admin\AppData\Local\Temp\a5a32a6ee05184ac6a06b8e2097900ab.exe

"C:\Users\Admin\AppData\Local\Temp\a5a32a6ee05184ac6a06b8e2097900ab.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4980 -ip 4980

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4980 -s 280

Network

Country Destination Domain Proto
US 8.8.8.8:53 16.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 59.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 udp
N/A 51.124.78.146:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 51.124.78.146:443 tcp
N/A 51.124.78.146:443 tcp
US 8.8.8.8:53 udp
N/A 40.127.169.103:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 13.85.23.206:443 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp
N/A 40.127.169.103:443 tcp
N/A 40.127.169.103:443 tcp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 74.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/4980-0-0x0000000000400000-0x0000000000423000-memory.dmp

memory/4980-7-0x00000000778C2000-0x00000000778C3000-memory.dmp

memory/4980-6-0x00000000778C2000-0x00000000778C4000-memory.dmp

memory/4980-2-0x0000000002050000-0x0000000002073000-memory.dmp

memory/4980-1-0x0000000000400000-0x0000000000423000-memory.dmp

memory/4980-9-0x0000000002050000-0x0000000002073000-memory.dmp

memory/4980-8-0x0000000000400000-0x0000000000423000-memory.dmp