MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b28b0934f36d4af7c1882a2d9ab9214e65821b007b4b89bece7daf72ac3f024e. 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



RedLineStealer


Vendor detections: 19


Intelligence 19 IOCs YARA 12 File information Comments

SHA256 hash: b28b0934f36d4af7c1882a2d9ab9214e65821b007b4b89bece7daf72ac3f024e
SHA3-384 hash: 9fbf22395ad6ad39cc57fd40222fbc3e71a7e08a705371c7f87dd4dc29f8b9e99f5642650bf007613a6d3216c02ff8e3
SHA1 hash: 839faf11e3a4e9b2aa8ba693b1e08a7a193735ac
MD5 hash: 9fd96b295c182c936d74dbb92a96a4d4
humanhash: coffee-alanine-xray-pluto
File name:Purchase Order 4500564358.exe
Download: download sample
Signature RedLineStealer
File size:1'267'200 bytes
First seen:2025-07-30 10:55:12 UTC
Last seen:2025-07-31 06:47:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:VuJd10DId1kq4y9cPkg9wSzEBRaVFy7534VVVe:VuJdKmeDP7TzEBgVoD
Threatray 1 similar samples on MalwareBazaar
TLSH T180455AE291A508A5D4B71D708822E8333256AC9AD82385589ED7FF5BF5F3ED30C23947
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 8e8f0f0f964d4d2c (4 x Formbook, 3 x AgentTesla, 3 x SnakeKeylogger)
Reporter lowmal3
Tags:exe RedLineStealer

Intelligence


File Origin
# of uploads :
3
# of downloads :
70
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Purchase Order 4500564358.exe
Verdict:
Malicious activity
Analysis date:
2025-07-30 10:58:18 UTC
Tags:
auto-sch-xml evasion stealer ultravnc rmm-tool exfiltration smtp agenttesla netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
lien spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Launching a service
Changing a file
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap lolbin masquerade msbuild obfuscated packed packed reconnaissance redline redline regsvcs rezer0 roboski schtasks stego vbc
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Check if machine is in data center or colocation facility
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1747005 Sample: Purchase Order 4500564358.exe Startdate: 30/07/2025 Architecture: WINDOWS Score: 100 44 ip-api.com 2->44 46 cphost14.qhoster.net 2->46 52 Suricata IDS alerts for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 14 other signatures 2->58 8 Purchase Order 4500564358.exe 7 2->8         started        12 NaPhkhYtQQh.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...36aPhkhYtQQh.exe, PE32 8->36 dropped 38 C:\Users\...38aPhkhYtQQh.exe:Zone.Identifier, ASCII 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp2665.tmp, XML 8->40 dropped 42 C:\...\Purchase Order 4500564358.exe.log, ASCII 8->42 dropped 60 Adds a directory exclusion to Windows Defender 8->60 62 Injects a PE file into a foreign processes 8->62 14 Purchase Order 4500564358.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        22 Purchase Order 4500564358.exe 8->22         started        64 Multi AV Scanner detection for dropped file 12->64 66 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->68 24 NaPhkhYtQQh.exe 14 2 12->24         started        26 schtasks.exe 1 12->26         started        signatures6 process7 dnsIp8 48 cphost14.qhoster.net 78.110.166.82, 49692, 49694, 49695 UKSERVERS-ASUKDedicatedServersHostingandCo-Location United Kingdom 14->48 50 ip-api.com 208.95.112.1, 49691, 49693, 80 TUT-ASUS United States 14->50 70 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->70 72 Loading BitLocker PowerShell Module 18->72 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->74 76 Tries to steal Mail credentials (via file / registry access) 24->76 78 Tries to harvest and steal ftp login credentials 24->78 80 Tries to harvest and steal browser information (history, passwords, etc) 24->80 34 conhost.exe 26->34         started        signatures9 process10
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.23 Win 32 Exe x86
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2025-07-30 10:55:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
unc_loader_037 unc_loader_001
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution persistence spyware stealer
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
b28b0934f36d4af7c1882a2d9ab9214e65821b007b4b89bece7daf72ac3f024e
MD5 hash:
9fd96b295c182c936d74dbb92a96a4d4
SHA1 hash:
839faf11e3a4e9b2aa8ba693b1e08a7a193735ac
SH256 hash:
fe2a9e403fe5369240c18ab75a3d6fb8086283d5f68b7ad52f32ab48e82385da
MD5 hash:
b9a80b7b15afb40c5950b53d19278745
SHA1 hash:
42b5f0c945cb185781eb7bf34e55079a5c4b3f13
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
6005f0e4563fef5e8abfdb88cacd5b3d8fd4cff04b1af93e8e01a9990f46d5c0
MD5 hash:
3f17ed370489371093c2a3d768cb6b07
SHA1 hash:
fb4f0ddcaf872e4c7850e4cefad59a2c62f54424
SH256 hash:
7802240a7de0426b64f0bce2b382c75653962d39941295fc148ccb705a15a520
MD5 hash:
d5fd3313654d981f19ad78eacf68dbdb
SHA1 hash:
8c32322d26485bb69b5a07b423ebd7deb983551c
Detections:
AgentTesla SUSP_OBF_NET_Reactor_Indicators_Jan24 Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
SH256 hash:
c2a49ce4c45a706411c07535e2ea1d067bea53648f52e53364963bdf70f1f4e3
MD5 hash:
0ebd6bb2a257adee41c18e057b98f874
SHA1 hash:
c5be07becf5e6a9ab35df15d22af1d316ab29b2b
Detections:
AgentTesla SUSP_OBF_NET_Reactor_Indicators_Jan24 Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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:BlackGuard_Rule
Author:Jiho Kim
Description:Yara rule for BlackGuarad Stealer v1.0 - v3.0
Reference:https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:MALWARE_Win_RedLine
Author:ditekSHen
Description:Detects RedLine infostealer
Rule name:MAL_Malware_Imphash_Mar23_1
Author:Arnim Rupp
Description:Detects malware by known bad imphash or rich_pe_header_hash
Reference:https://yaraify.abuse.ch/statistics/
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win_samsam_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Malspam

RedLineStealer

Executable exe b28b0934f36d4af7c1882a2d9ab9214e65821b007b4b89bece7daf72ac3f024e

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments