MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e44e1135888701ba8cbf462efa9d992a2fa1f83e52c471f65c62c16fdecade26. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



BluStealer


Vendor detections: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: e44e1135888701ba8cbf462efa9d992a2fa1f83e52c471f65c62c16fdecade26
SHA3-384 hash: 84ba4e51be8f43b471ec6ac132ab00b06cf348896c296d2617ca54905bcfb0e1b21d90cf92734744a163b5190a0cc46d
SHA1 hash: 47da39de6edee6bbe9680d830e8f64b7f3fccf3a
MD5 hash: c7c88b125e27183372fb3d59c959f637
humanhash: edward-mobile-happy-london
File name:Purchase Order FP2305006.exe
Download: download sample
Signature BluStealer
File size:1'643'520 bytes
First seen:2023-05-10 12:05:54 UTC
Last seen:2023-05-10 14:54:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:04LpeAT/4TUmBmsV7ckan9wLb+mkA2NffoYF2zEg06nLnH8b/5cN:ptADBmsmkanaLb+XJwS2zECLH8bI
Threatray 37 similar samples on MalwareBazaar
TLSH T144751211621A9F2BDBA883FF0614494913B47B15BD5BE22D7EDF20CDDD26F104A21EA3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:BluStealer exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
258
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order FP2305006.exe
Verdict:
Malicious activity
Analysis date:
2023-05-10 12:06:51 UTC
Tags:
stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
BluStealer, ThunderFox Stealer, a310Logg
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates files inside the volume driver (system volume information)
Drops executable to a common third party application directory
Found malware configuration
Infects executable files (exe, dll, sys, html)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries random domain names (often used to prevent blacklisting and sinkholes)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to download HTTP data from a sinkholed server
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected a310Logger
Yara detected BluStealer
Yara detected ThunderFox Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 862972 Sample: Purchase_Order_FP2305006.exe Startdate: 10/05/2023 Architecture: WINDOWS Score: 100 43 xlfhhhm.biz 2->43 51 Tries to download HTTP data from a sinkholed server 2->51 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 13 other signatures 2->57 8 Purchase_Order_FP2305006.exe 3 2->8         started        12 FXSSVC.exe 14 5 2->12         started        14 perfhost.exe 2->14         started        16 16 other processes 2->16 signatures3 process4 dnsIp5 35 C:\Users\...\Purchase_Order_FP2305006.exe.log, ASCII 8->35 dropped 73 Injects a PE file into a foreign processes 8->73 19 Purchase_Order_FP2305006.exe 1 8 8->19         started        75 Antivirus detection for dropped file 12->75 77 Machine Learning detection for dropped file 12->77 37 saytjshyf.biz 173.231.184.124, 49719, 80 VOXEL-DOT-NETUS United States 16->37 39 xlfhhhm.biz 173.231.189.15, 49717, 80 VOXEL-DOT-NETUS United States 16->39 41 13 other IPs or domains 16->41 79 Creates files inside the volume driver (system volume information) 16->79 file6 signatures7 process8 dnsIp9 45 pywolwnvd.biz 173.231.184.122, 49697, 49698, 80 VOXEL-DOT-NETUS United States 19->45 47 zlenh.biz 19->47 49 11 other IPs or domains 19->49 27 C:\Windows\System32\xbgmsvc.exe, PE32+ 19->27 dropped 29 C:\Windows\System32\wbengine.exe, PE32+ 19->29 dropped 31 C:\Windows\System32\wbem\WmiApSrv.exe, PE32+ 19->31 dropped 33 39 other malicious files 19->33 dropped 59 Writes to foreign memory regions 19->59 61 Allocates memory in foreign processes 19->61 63 Drops executable to a common third party application directory 19->63 65 2 other signatures 19->65 24 AppLaunch.exe 2 19->24         started        file10 signatures11 process12 signatures13 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->67 69 Tries to steal Mail credentials (via file / registry access) 24->69 71 Tries to harvest and steal browser information (history, passwords, etc) 24->71
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-05-10 09:09:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Result
Malware family:
blustealer
Score:
  10/10
Tags:
family:blustealer collection spyware stealer
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies data under HKEY_USERS
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
BluStealer
Malware Config
C2 Extraction:
https://api.telegram.org/bot5797428905:AAGaRRXGZN1d9GGFd3sE5x4uSpCGF0PU4m4/sendMessage?chat_id=1251788325
Unpacked files
SH256 hash:
dc8ed0f0daa09e981ab33194d62a0d70623dfafbc8d3ac4222a65b9e9a2e2dd6
MD5 hash:
f536a518a67690d5b8fe76dbe449a630
SHA1 hash:
6009a228424e0c2588365a30de3a33d83a58d062
SH256 hash:
8c248791feb7fadf60c55993ac5aadba8466644f2499b0d86c085284f9a180eb
MD5 hash:
f7b6b4f1389d26a23034275d311633b5
SHA1 hash:
cec349c3fb76581e3300b3efccb04f3dd18df5fe
SH256 hash:
3ab1dcc37e7c5c643bf41e9f0f81f816f24974fbddde95e2af52426e3374dd35
MD5 hash:
8a2c496875c0871aecc16aae768b323f
SHA1 hash:
f5423a32125c70b512de301c5616c7b75477e2e7
SH256 hash:
d7570dc87ed63025fd54a553cb818274aa80bca0cb1592580ccef3462f56f8c4
MD5 hash:
8fb8d8abd49dad99f56ea8770cf15bdb
SHA1 hash:
edfb79bbc6968b6e16d6067ab9da69ff8fc2fdb4
SH256 hash:
7cdde793d9d410330562482255cb3257ad76a002161cf1ef543ff2ab51792ee2
MD5 hash:
5a0adadecaff9e4b3ade28d5448932ae
SHA1 hash:
d9c7d160d2d71a556236dcdc2c7a5b13083a5a6e
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
SH256 hash:
fc9bb9746aaa4e07944b2c1338d26ac852531a6e6c97e98f6a56202d27ff607c
MD5 hash:
d2ec533f8b40a8224d79c87c2291f943
SHA1 hash:
f305fa4c5c8525e853fbdbcf5c8cedad9ba08fd2
SH256 hash:
9870dbb37050b9de21aa65dec30e7094bb34775e2b8a2ee5d37481ce924ecd5c
MD5 hash:
53cd50750accb95e275c7a00c43712e9
SHA1 hash:
b45c7fbb26bb2a25c746764b9ea2272b8227f8bc
SH256 hash:
e44e1135888701ba8cbf462efa9d992a2fa1f83e52c471f65c62c16fdecade26
MD5 hash:
c7c88b125e27183372fb3d59c959f637
SHA1 hash:
47da39de6edee6bbe9680d830e8f64b7f3fccf3a
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

BluStealer

Executable exe e44e1135888701ba8cbf462efa9d992a2fa1f83e52c471f65c62c16fdecade26

(this sample)

  
Delivery method
Distributed via e-mail attachment

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