MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b87a9cfde8da07e2c8d391911ba9350ecf8c8b020e934aa8d63ecc5d732021e9. 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


AgentTesla


Vendor detections: 18


Intelligence 18 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b87a9cfde8da07e2c8d391911ba9350ecf8c8b020e934aa8d63ecc5d732021e9
SHA3-384 hash: 0f15c77a3c79de0a71022508ab612211c5d150138c58b5ff838cb887f20608fe15c285e24749d5be473914e3723d79ad
SHA1 hash: 634164cd59311c588cd59f80063572394445dc90
MD5 hash: 3301bc88533633d7acacea4a76be89d7
humanhash: lactose-montana-quebec-twelve
File name:New Inquiry QXZ082511.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:78'848 bytes
First seen:2025-08-11 04:56:36 UTC
Last seen:2025-08-11 13:29:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 1536:jBeTJymCfU5v1F6SSWOBm1qSngWK9HMr0B0Ki:jB/mhN6pjsr0B0Ki
TLSH T19D73839D766072EFC857C472DEA81CA4EA6075BB831F8203D45716ADEA4D89BCF140F2
TrID 28.5% (.EXE) Win64 Executable (generic) (10522/11/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4504/4/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
80
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
New Inquiry QXZ082511.exe
Verdict:
Malicious activity
Analysis date:
2025-08-11 04:57:25 UTC
Tags:
evasion stealer ultravnc rmm-tool agenttesla netreactor
Link:
https://app.any.run/tasks/a04434e4-2b1d-45c6-bf6a-b20eea034a43

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/20023/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68997834c633abe3908db7b8
Tags:
packed virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Reading critical registry keys
Launching a service
Creating a window
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 confuser confuserex obfuscated obfuscated packed packed
Link:
https://www.filescan.io/uploads/689978359ef4d2ff7cf55a1b/reports/c7431c19-9ce6-4a07-b1e3-24afa646241a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b87a9cfde8da07e2c8d391911ba9350ecf8c8b020e934aa8d63ecc5d732021e9
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1f81c952-0b56-43c5-a443-415e2871e2e8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1754251
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Check if machine is in data center or colocation facility
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1754251 Sample: New Inquiry QXZ082511.exe Startdate: 11/08/2025 Architecture: WINDOWS Score: 100 20 uniworldrivercruises-co.uk 2->20 22 mail.uniworldrivercruises-co.uk 2->22 24 ip-api.com 2->24 32 Suricata IDS alerts for network traffic 2->32 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 10 other signatures 2->38 7 New Inquiry QXZ082511.exe 15 4 2->7         started        signatures3 process4 dnsIp5 26 198.55.98.195, 49712, 80 ASN-QUADRANET-GLOBALUS United States 7->26 16 C:\Users\user\AppData\Local\TempEAEAA.dll, PE32 7->16 dropped 18 C:\Users\...18ew Inquiry QXZ082511.exe.log, CSV 7->18 dropped 40 Writes to foreign memory regions 7->40 42 Allocates memory in foreign processes 7->42 44 Injects a PE file into a foreign processes 7->44 12 CasPol.exe 14 4 7->12         started        file6 signatures7 process8 dnsIp9 28 uniworldrivercruises-co.uk 176.123.0.55, 587 ALEXHOSTMD Moldova Republic of 12->28 30 ip-api.com 208.95.112.1, 49713, 80 TUT-ASUS United States 12->30 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->46 48 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->50 52 4 other signatures 12->52 signatures10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b87a9cfde8da07e2c8d391911ba9350ecf8c8b020e934aa8d63ecc5d732021e9
Verdict:
inconclusive
YARA:
9 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.99 Win 32 Exe x86
Link:
https://app.malva.re/file/3301bc88533633d7acacea4a76be89d7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b87a9cfde8da07e2c8d391911ba9350ecf8c8b020e934aa8d63ecc5d732021e9/
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Link:
https://tip.neiki.dev/file/b87a9cfde8da07e2c8d391911ba9350ecf8c8b020e934aa8d63ecc5d732021e9
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-08-11 04:31:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xb5jz7pi3id6fsgtsgirxkjvb3hyzcycb2juvkgwh3gf24zaehuq._file
Verdict:
malicious
Label(s):
unc_loader_001
Create hunting rule
Similar samples:
error
AgentTesla
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery
Link:
https://tria.ge/reports/250811-flexsszwbw/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c70b3359-1ed0-4e41-9971-459db56d98ff
Unpacked files
SH256 hash:
b87a9cfde8da07e2c8d391911ba9350ecf8c8b020e934aa8d63ecc5d732021e9
MD5 hash:
3301bc88533633d7acacea4a76be89d7
SHA1 hash:
634164cd59311c588cd59f80063572394445dc90
Link:
https://www.unpac.me/results/86622338-56af-4f60-b7e3-36c0c35e3ff5/
SH256 hash:
d8ad8ff472418d7b6c5b2e4e0bef1539829f2be4864da807aed259c2b184756c
MD5 hash:
d95665a599e00025bb9547105ee096e0
SHA1 hash:
a39adf92fde8044a9011397c8e0075a2734ef97f
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/86622338-56af-4f60-b7e3-36c0c35e3ff5/
SH256 hash:
dc89ddbdef184c73aae943c46738d48e5586106954f2bf5e70135213bb310af2
MD5 hash:
af594addddade0f12432138589f495a2
SHA1 hash:
c7436c95b6402846bf195fbecc920a7e31b55fa2
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/86622338-56af-4f60-b7e3-36c0c35e3ff5/
Parent samples :
b87a9cfde8da07e2c8d391911ba9350ecf8c8b020e934aa8d63ecc5d732021e9
e4b666c601d8fa19d65dd8d27518ee93da645153d144d2aedef412c4680d9fc8
Malware family:
RedNet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b87a9cfde8da/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b87a9cfde8da07e2c8d391911ba9350ecf8c8b020e934aa8d63ecc5d732021e9

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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

AgentTesla

Executable exe b87a9cfde8da07e2c8d391911ba9350ecf8c8b020e934aa8d63ecc5d732021e9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/20023/

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