Malware Analysis Report

2025-01-18 12:37

Sample ID 240831-b5xjqsydrf
Target a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe
SHA256 a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37
Tags
formbook hc58 discovery rat spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37

Threat Level: Known bad

The file a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe was found to be: Known bad.

Malicious Activity Summary

formbook hc58 discovery rat spyware stealer trojan

Formbook

Formbook payload

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-31 01:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-31 01:44

Reported

2024-08-31 01:46

Platform

win7-20240708-en

Max time kernel

122s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2064 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe
PID 2064 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe
PID 2064 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe
PID 2064 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe
PID 2064 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe
PID 2064 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe
PID 2064 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe

"C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe"

C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe

"C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe"

Network

N/A

Files

memory/2064-0-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

memory/2064-1-0x0000000000B30000-0x0000000000BCC000-memory.dmp

memory/2064-2-0x0000000073FA0000-0x000000007468E000-memory.dmp

memory/2064-3-0x0000000002100000-0x0000000002118000-memory.dmp

memory/2064-4-0x0000000073FAE000-0x0000000073FAF000-memory.dmp

memory/2064-5-0x0000000073FA0000-0x000000007468E000-memory.dmp

memory/2064-6-0x00000000047E0000-0x0000000004856000-memory.dmp

memory/2356-7-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2356-9-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2356-14-0x0000000000400000-0x000000000042F000-memory.dmp

memory/2356-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2064-15-0x0000000073FA0000-0x000000007468E000-memory.dmp

memory/2356-16-0x0000000000BD0000-0x0000000000ED3000-memory.dmp

memory/2356-17-0x0000000000BD0000-0x0000000000ED3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-31 01:44

Reported

2024-08-31 01:46

Platform

win10v2004-20240802-en

Max time kernel

140s

Max time network

134s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe"

Signatures

Formbook

trojan spyware stealer formbook

Formbook payload

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4572 wrote to memory of 876 N/A C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe
PID 4572 wrote to memory of 876 N/A C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe
PID 4572 wrote to memory of 876 N/A C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe
PID 4572 wrote to memory of 876 N/A C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe
PID 4572 wrote to memory of 876 N/A C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe
PID 4572 wrote to memory of 876 N/A C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe

"C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4380,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=4128 /prefetch:8

C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe

"C:\Users\Admin\AppData\Local\Temp\a68bc9acb795949fa2d0ee4a4ea0d7242ed87c9a3017af29a8bca49e6814ae37.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/4572-0-0x000000007524E000-0x000000007524F000-memory.dmp

memory/4572-1-0x00000000000E0000-0x000000000017C000-memory.dmp

memory/4572-2-0x00000000050D0000-0x0000000005674000-memory.dmp

memory/4572-3-0x0000000004A60000-0x0000000004AF2000-memory.dmp

memory/4572-4-0x0000000075240000-0x00000000759F0000-memory.dmp

memory/4572-5-0x0000000004C50000-0x0000000004C5A000-memory.dmp

memory/4572-6-0x0000000007770000-0x0000000007788000-memory.dmp

memory/4572-7-0x000000007524E000-0x000000007524F000-memory.dmp

memory/4572-8-0x0000000075240000-0x00000000759F0000-memory.dmp

memory/4572-9-0x0000000005C80000-0x0000000005CF6000-memory.dmp

memory/4572-10-0x0000000005EE0000-0x0000000005F7C000-memory.dmp

memory/876-11-0x0000000000400000-0x000000000042F000-memory.dmp

memory/4572-13-0x0000000075240000-0x00000000759F0000-memory.dmp

memory/876-14-0x00000000016B0000-0x00000000019FA000-memory.dmp