MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb4fbfd0d632cea719766579d8f621be71c73db90897864722e0738d0a94d6b1. 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: 19


Intelligence 19 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb4fbfd0d632cea719766579d8f621be71c73db90897864722e0738d0a94d6b1
SHA3-384 hash: 44adf5f9846163b208a1dfaf8b2f750e6f8c98942366b4ecd2763460d768115578138804bc6a97a9741429a5085a5384
SHA1 hash: eb9959e5a2d3757de2dabd26aa8909b42db479f6
MD5 hash: b59411ae5a7be3414b752da2aecde2fd
humanhash: black-seven-juliet-sierra
File name:PENDING INVOICE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:699'392 bytes
First seen:2025-08-07 08:37:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:ge3ND4W9Was+b+tDvw9VWZj3aDv3OrjTerjMxSo0km6okm8ryuZ2jzD+:NND4WCtDvwE37CMh0BB8/Z2jz
Threatray 3'477 similar samples on MalwareBazaar
TLSH T10EE4126A364C8417D09566F24467E33603BC4D6FE692C385EAE6ECEB350B7606A083D3
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 d9b8e8e8e96982ce (6 x SnakeKeylogger, 4 x AgentTesla, 4 x Formbook)
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PENDING INVOICE.exe
Verdict:
Malicious activity
Analysis date:
2025-08-07 08:54:05 UTC
Tags:
stealer auto-sch-xml ultravnc rmm-tool exfiltration smtp agenttesla
Link:
https://app.any.run/tasks/88f4a60d-789b-496e-9053-324b87a33347

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/19436/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689465e01e8a59ee04e6eecf
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
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
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a service
Changing a file
Forced shutdown of a system process
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/689465e8397fd3ce6fa07d40/reports/1fd05016-3a9f-47a2-a74c-bf1944aa600c/overview
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/bb4fbfd0d632cea719766579d8f621be71c73db90897864722e0738d0a94d6b1
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/be8ec857-873a-4061-aaa8-971f3c58ae9e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1752128
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1752128 Sample: PENDING INVOICE.exe Startdate: 07/08/2025 Architecture: WINDOWS Score: 100 46 mail.gunsaldi.com 2->46 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 10 other signatures 2->56 8 PENDING INVOICE.exe 7 2->8         started        12 WObrlzB.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\WObrlzB.exe, PE32 8->38 dropped 40 C:\Users\user\...\WObrlzB.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp8D58.tmp, XML 8->42 dropped 44 C:\Users\user\...\PENDING INVOICE.exe.log, ASCII 8->44 dropped 58 Writes to foreign memory regions 8->58 60 Allocates memory in foreign processes 8->60 62 Adds a directory exclusion to Windows Defender 8->62 14 RegSvcs.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 RegSvcs.exe 8->20         started        22 schtasks.exe 1 8->22         started        64 Multi AV Scanner detection for dropped file 12->64 66 Injects a PE file into a foreign processes 12->66 24 RegSvcs.exe 2 12->24         started        26 schtasks.exe 1 12->26         started        28 RegSvcs.exe 12->28         started        signatures6 process7 dnsIp8 48 mail.gunsaldi.com 31.222.235.198, 49719, 49721, 587 GIGALIS-ASFR unknown 14->48 68 Loading BitLocker PowerShell Module 18->68 30 conhost.exe 18->30         started        32 WmiPrvSE.exe 18->32         started        70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->70 34 conhost.exe 22->34         started        72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->72 74 Tries to steal Mail credentials (via file / registry access) 24->74 76 Tries to harvest and steal ftp login credentials 24->76 78 Tries to harvest and steal browser information (history, passwords, etc) 24->78 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bb4fbfd0d632cea719766579d8f621be71c73db90897864722e0738d0a94d6b1
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.46 Win 32 Exe x86
Link:
https://app.malva.re/file/b59411ae5a7be3414b752da2aecde2fd
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bb4fbfd0d632cea719766579d8f621be71c73db90897864722e0738d0a94d6b1/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-08-06 03:54:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xnh37ugwglhkoglwmv45r5rbxzy4opnzbclymrzc4bzy2cuu22yq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
344be2ed196b4a682ecfecbd49caa628e125702271d7bfb16ac401aa1e0ebae9
AgentTesla
3ec5faa6aec2047d9e190157b3361a593ea590f14a80b42d22f4492ef68e48e7
AgentTesla
4c06d00bd2ccb64a93bb8019bbea91c83e4f6931d7c7fdc2469545a0a93a9c86
AgentTesla
99f159f5917886ccb644cbb4d99a570f55fac5845a2869a7afbeccfe464f7a71
AgentTesla
+ 3'467 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/250807-kjhm5aeq2y/
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
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Agenttesla family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/56856e07-1752-49ab-aaa2-5d45c68b4354
Unpacked files
SH256 hash:
bb4fbfd0d632cea719766579d8f621be71c73db90897864722e0738d0a94d6b1
MD5 hash:
b59411ae5a7be3414b752da2aecde2fd
SHA1 hash:
eb9959e5a2d3757de2dabd26aa8909b42db479f6
Link:
https://www.unpac.me/results/9e053c47-0de1-4d0a-9273-03db836a2d32/
SH256 hash:
b3df3b2c76f2c1d62a4e9da3cc6d3adf2a4c870ba703f5136532beb6c5800b5e
MD5 hash:
43a1201df30e3414a6070c362465a64a
SHA1 hash:
103b94b74e955251cc588c4e9533ebdae1106773
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/9e053c47-0de1-4d0a-9273-03db836a2d32/
Parent samples :
bb4fbfd0d632cea719766579d8f621be71c73db90897864722e0738d0a94d6b1
f5cd003d079d427c2ffb80fd91788083b66b624a2ead6ee8a2963a8f93b0707b
f75c114f83d3d078bd85e7e59cd8a4ed6e8be4a33db6600bd9eda842845ac2fe
SH256 hash:
9502f77e41b3f6647a1f0b25fe3b2cd3847b1e80311dd7d7fba0fe33b46ac034
MD5 hash:
fd0bc36eb400e279689ecaacf3f610e5
SHA1 hash:
26659e6d3a12e015e559256f094a7dc2326ab638
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/9e053c47-0de1-4d0a-9273-03db836a2d32/
SH256 hash:
8a3dc19070a98c8f3c10f32d63bec19364de0a6bf6eaddd436188b0aee43d602
MD5 hash:
8aa88960117d77081ccc1b9957dd22fc
SHA1 hash:
b16490f4141395d74786e672cdf64adad7a8be64
Detections:
win_agent_tesla_g2
Create hunting rule
AgentTesla
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Link:
https://www.unpac.me/results/9e053c47-0de1-4d0a-9273-03db836a2d32/
Parent samples :
955e5034dd0af183bc13ab91e360af48c8872f014c8866c395efaf5726da582a
476a922ca015b327bb5069b7913818b579ab7f04b95f3f3c733138ef7c4692b5
75facf1a5257fcf9a3eb2b66468afa3efe03b8334cc6c4486de96d3ffe47c9fb
bb4fbfd0d632cea719766579d8f621be71c73db90897864722e0738d0a94d6b1
a126609f1200a6789ba34e458e6e58cba14d939bb2823fbe0b4b25397463c0d7
c626da1a8da5057d426d95cd54365918ad9064dd6de16fac053068be4b1404ec
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bb4fbfd0d632/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/bb4fbfd0d632cea719766579d8f621be71c73db90897864722e0738d0a94d6b1

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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_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

tar 9feedb4ea193c2386776317acf7a7c48f89625efa48739a5315e7d0c66670cfe

AgentTesla

Executable exe bb4fbfd0d632cea719766579d8f621be71c73db90897864722e0738d0a94d6b1

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 9feedb4ea193c2386776317acf7a7c48f89625efa48739a5315e7d0c66670cfe
Cape
Cape
https://www.capesandbox.com/analysis/19436/
  
Dropped by
MD5 4232ce2663f6ea594da004dc59619b8d

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