Malware Analysis Report

2025-01-03 08:01

Sample ID 230501-yg4z8sga96
Target Invoice 3002432223.img.bin
SHA256 03101293ef6b23593c4ff95a36528316a1d72c75568a9e9812a100dda87dead2
Tags
blustealer spyware stealer redline infostealer
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

03101293ef6b23593c4ff95a36528316a1d72c75568a9e9812a100dda87dead2

Threat Level: Known bad

The file Invoice 3002432223.img.bin was found to be: Known bad.

Malicious Activity Summary

blustealer spyware stealer redline infostealer

Detects Redline Stealer samples

BluStealer

RedLine

Reads user/profile data of web browsers

Loads dropped DLL

Checks computer location settings

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-05-01 19:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-01 19:46

Reported

2023-05-01 19:57

Platform

win7-20230220-en

Max time kernel

151s

Max time network

33s

Command Line

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

Signatures

BluStealer

stealer blustealer

Loads dropped DLL

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

Reads user/profile data of web browsers

spyware stealer

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1968 set thread context of 1452 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe
PID 1452 set thread context of 1500 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1968 wrote to memory of 1608 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1968 wrote to memory of 1608 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1968 wrote to memory of 1608 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1968 wrote to memory of 1608 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1968 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\SysWOW64\schtasks.exe
PID 1968 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\SysWOW64\schtasks.exe
PID 1968 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\SysWOW64\schtasks.exe
PID 1968 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\SysWOW64\schtasks.exe
PID 1968 wrote to memory of 1452 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe
PID 1968 wrote to memory of 1452 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe
PID 1968 wrote to memory of 1452 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe
PID 1968 wrote to memory of 1452 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe
PID 1968 wrote to memory of 1452 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe
PID 1968 wrote to memory of 1452 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe
PID 1968 wrote to memory of 1452 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe
PID 1968 wrote to memory of 1452 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe
PID 1968 wrote to memory of 1452 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe
PID 1452 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1452 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1452 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1452 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1452 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1452 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1452 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1452 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
PID 1452 wrote to memory of 1500 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe

Processes

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

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

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PqhyBiwUgJm.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PqhyBiwUgJm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5EB.tmp"

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

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

C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe

C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe

Network

N/A

Files

memory/1968-54-0x0000000001190000-0x000000000129E000-memory.dmp

memory/1968-55-0x0000000004DC0000-0x0000000004E00000-memory.dmp

memory/1968-56-0x0000000004DC0000-0x0000000004E00000-memory.dmp

memory/1968-57-0x0000000000570000-0x000000000057E000-memory.dmp

memory/1968-58-0x0000000000690000-0x000000000069C000-memory.dmp

memory/1968-59-0x0000000004E00000-0x0000000004ED2000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp5EB.tmp

MD5 b9748d247c6cfdc46a899b21a503c91e
SHA1 829c5201a122102edb957583d62abcc85a76d0d9
SHA256 c2b10ca776dc90d9bd9998062435074bda2954d9e69f34de01a283d97328d06c
SHA512 2c488d6ed99a074a99fc1025e50d72e278664d452486b2b92310fbdfcf47e8876f106ddfc1140ce6da166b57df7fcdd8c7e36d1685ccb667982b94dc5a4c9600

memory/1968-65-0x000000000A1E0000-0x000000000A27E000-memory.dmp

memory/1968-66-0x000000000A280000-0x000000000A316000-memory.dmp

memory/1452-67-0x0000000000400000-0x0000000000496000-memory.dmp

memory/1452-68-0x0000000000400000-0x0000000000496000-memory.dmp

memory/1452-69-0x0000000000400000-0x0000000000496000-memory.dmp

memory/1452-71-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1452-76-0x0000000000400000-0x0000000000496000-memory.dmp

memory/1452-79-0x0000000000400000-0x0000000000496000-memory.dmp

memory/1608-80-0x0000000001D80000-0x0000000001DC0000-memory.dmp

memory/1608-81-0x0000000001D80000-0x0000000001DC0000-memory.dmp

memory/1608-82-0x0000000001D80000-0x0000000001DC0000-memory.dmp

C:\Users\Public\424645~1\sqlite3.zip

MD5 21765a296b37c1b074bc14316dc9d6cd
SHA1 c99c541d528ad6defe78970e90361d86ad5fa6ae
SHA256 c5a7d1d5f61a535aa511fc9b8119ff5103be48f97f89e123a138453c4aa5fc66
SHA512 5d3392d0f9ee7ed8d9471375ff5333554ca80b7dbe436c2bacb42c1ffe8a5c687835d58ae8425029f83500f43c19268b3315a5c43edb12b707df367e6b86ea0a

C:\Users\Public\424645~1\SQLITE~1.ZIP

MD5 e91150a120a7d0b90c9541ddc35df2da
SHA1 8b218f7653cba01cd73a818de380e5b1018d1d40
SHA256 e96c6c2d75c1af719909fac9cbf1a63441052c0acc5bfff8e53d663dd0d7ee89
SHA512 3a796d7556799dee2bf2c0ee402b5ad39908ee2572f6e3a9dd78229d0f4e9d3f5236d0e1af08b6a0866189e219df03b0ed428a4b5dfb4ebdf585436615e66e28

memory/1500-123-0x0000000000090000-0x000000000009E000-memory.dmp

memory/1500-125-0x0000000000090000-0x000000000009E000-memory.dmp

memory/1500-124-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1500-127-0x0000000000090000-0x000000000009E000-memory.dmp

memory/1500-129-0x0000000000090000-0x000000000009E000-memory.dmp

memory/1500-130-0x0000000000C10000-0x0000000000C50000-memory.dmp

\Users\Public\4246454246424646303030323036443742464246463030303230\sqlite3.dll

MD5 5405413fff79b8d9c747aa900f60f082
SHA1 71caf8907ddd9a3a25d71356bd2ce09bd293bd78
SHA256 3e5a28ffde07ac661c26b6ccf94e64c1c90b1f25b3b24c90605aa922b87642eb
SHA512 2f09a30fc4da5166bd665210fefa1d44ce344f0ec6a37f127d677aeb3ca4fc0d09b7c9c1540f57da1e3449b7f588a1c61115395e965fa153d4baa5033266ed66

\Users\Public\4246454246424646303030323036443742464246463030303230\SQLite3_StdCall.dll

MD5 d77b227a28a78627c2323cac75948390
SHA1 e228c3951f2a9fd0febfe07390633ab4f35727f4
SHA256 527ec201dcd7695bd9830eb82ab35a3986121de9ea156193834aed9d79223b82
SHA512 5627fbc8bbb98f644e21f101a68f0e0b07b87c264d00ea227286bed8ab6dd4ebf5114f03b632604f775ff93666a409a1a179a81ebfc9246956ba8150ff5b0587

C:\Users\Public\4246454246424646303030323036443742464246463030303230\SQLite3_StdCall.dll

MD5 d77b227a28a78627c2323cac75948390
SHA1 e228c3951f2a9fd0febfe07390633ab4f35727f4
SHA256 527ec201dcd7695bd9830eb82ab35a3986121de9ea156193834aed9d79223b82
SHA512 5627fbc8bbb98f644e21f101a68f0e0b07b87c264d00ea227286bed8ab6dd4ebf5114f03b632604f775ff93666a409a1a179a81ebfc9246956ba8150ff5b0587

memory/1452-139-0x0000000000400000-0x0000000000496000-memory.dmp

memory/1452-140-0x0000000060900000-0x0000000060989000-memory.dmp

memory/1608-141-0x0000000001D80000-0x0000000001DC0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-01 19:46

Reported

2023-05-01 19:57

Platform

win10v2004-20230220-en

Max time kernel

79s

Max time network

131s

Command Line

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

Signatures

BluStealer

stealer blustealer

Detects Redline Stealer samples

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

RedLine

infostealer redline

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\INVOICE_.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Processes

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

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

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PqhyBiwUgJm.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PqhyBiwUgJm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDFA2.tmp"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 20.189.173.13:443 tcp
US 8.8.8.8:53 45.8.109.52.in-addr.arpa udp

Files

memory/5012-133-0x0000000000B00000-0x0000000000C0E000-memory.dmp

memory/5012-134-0x0000000005B20000-0x00000000060C4000-memory.dmp

memory/5012-135-0x0000000005610000-0x00000000056A2000-memory.dmp

memory/5012-136-0x00000000055E0000-0x00000000055EA000-memory.dmp

memory/5012-137-0x0000000005770000-0x0000000005780000-memory.dmp

memory/5012-138-0x0000000005770000-0x0000000005780000-memory.dmp

memory/5012-139-0x00000000074B0000-0x000000000754C000-memory.dmp

memory/2568-144-0x0000000004870000-0x00000000048A6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpDFA2.tmp

MD5 7f295d8e26c85c3b26162ca4de2f1b95
SHA1 fa0cbe55a142b6ce2fe217a47f00156ea2768d02
SHA256 491c01677acd2df85dbbc6c3aad6ecebc33380fff4facd042c1bdc41f483d984
SHA512 8599717332725ff9aa363ca6f093f312d07aaa5b6ff3006e0bf22217f67bca1f6521fb4bebb96dc92216a3838db97eba1e25fb49799973370227fdb9597bee8f

memory/2568-146-0x0000000005030000-0x0000000005658000-memory.dmp

memory/2568-149-0x00000000049F0000-0x0000000004A00000-memory.dmp

memory/460-148-0x0000000000400000-0x0000000000496000-memory.dmp

memory/2568-147-0x00000000049F0000-0x0000000004A00000-memory.dmp

memory/460-152-0x0000000000400000-0x0000000000496000-memory.dmp

memory/2568-153-0x0000000004E50000-0x0000000004E72000-memory.dmp

memory/2568-155-0x0000000005750000-0x00000000057B6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_k1fcho4j.c3k.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/2568-156-0x00000000057C0000-0x0000000005826000-memory.dmp