MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b176d26d7edd74f65ed6ccf28d17dc9f4f64decc0cae12810c3659a5ed6f811a. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b176d26d7edd74f65ed6ccf28d17dc9f4f64decc0cae12810c3659a5ed6f811a
SHA3-384 hash: d32a4557ef8aa262f98bbd7c2e0fbbf600898ebd17e83f748ba9b7d17c8500fc4b58a5a4304ddd1cd1210ca9f084741a
SHA1 hash: 59f423b8d0edf033c09b21b93042709de6531844
MD5 hash: 4a73253b2ee68de1443cbc0f4fe04d2b
humanhash: happy-kansas-arizona-three
File name:Enquiry - ENQ#16801.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:716'800 bytes
First seen:2024-05-30 11:30:27 UTC
Last seen:2024-05-30 12:27:25 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 12288:MF2iNjJS4V+uXbiYyC4O3hAUtUdeLwwx6rlI2zeQhGsCkECVueK321:U1XSc+bY/96dSx6ryihCzp21
Threatray 1'148 similar samples on MalwareBazaar
TLSH T1FDE4120171786A23C47E4AFF0C71588193F185763D85E7DAACD172E78AE2FC46B04A5B
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
352
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
b176d26d7edd74f65ed6ccf28d17dc9f4f64decc0cae12810c3659a5ed6f811a.exe
Verdict:
Malicious activity
Analysis date:
2024-05-30 11:33:24 UTC
Tags:
evasion agenttesla stealer
Link:
https://app.any.run/tasks/de616d84-11c6-4e3f-b8cc-d5c0ad8a7eac

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6658638aaf950bab634f968awin7simulatehigh_evasion
Tags:
Banker Encryption Execution Network Heur Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/66586381458fabe8a95d3e27/reports/52e9b2db-ee62-4001-95c7-f0826015aae9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b176d26d7edd74f65ed6ccf28d17dc9f4f64decc0cae12810c3659a5ed6f811a
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8e5262e0-b8a9-4f19-9574-6f987bdf6d6a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1449522
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1449522 Sample: Enquiry - ENQ#16801.exe Startdate: 30/05/2024 Architecture: WINDOWS Score: 100 40 phoenixblowers.com 2->40 42 api.ipify.org 2->42 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 13 other signatures 2->54 8 NykkLIuxVEUmyI.exe 5 2->8         started        11 Enquiry - ENQ#16801.exe 7 2->11         started        signatures3 process4 file5 56 Antivirus detection for dropped file 8->56 58 Multi AV Scanner detection for dropped file 8->58 60 Machine Learning detection for dropped file 8->60 62 Injects a PE file into a foreign processes 8->62 14 RegSvcs.exe 2 8->14         started        18 schtasks.exe 1 8->18         started        36 C:\Users\user\AppData\...36ykkLIuxVEUmyI.exe, PE32 11->36 dropped 38 C:\Users\user\AppData\Local\...\tmp8DB0.tmp, XML 11->38 dropped 64 Writes to foreign memory regions 11->64 66 Allocates memory in foreign processes 11->66 68 Adds a directory exclusion to Windows Defender 11->68 20 powershell.exe 23 11->20         started        22 RegSvcs.exe 11->22         started        24 RegSvcs.exe 14 2 11->24         started        26 schtasks.exe 1 11->26         started        signatures6 process7 dnsIp8 44 phoenixblowers.com 43.255.154.55, 49712, 587 AS-26496-GO-DADDY-COM-LLCUS Singapore 14->44 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->70 72 Tries to steal Mail credentials (via file / registry access) 14->72 74 Tries to harvest and steal ftp login credentials 14->74 76 Tries to harvest and steal browser information (history, passwords, etc) 14->76 28 conhost.exe 18->28         started        78 Loading BitLocker PowerShell Module 20->78 30 WmiPrvSE.exe 20->30         started        32 conhost.exe 20->32         started        80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->80 46 api.ipify.org 104.26.13.205, 443, 49707, 49709 CLOUDFLARENETUS United States 24->46 34 conhost.exe 26->34         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b176d26d7edd74f65ed6ccf28d17dc9f4f64decc0cae12810c3659a5ed6f811a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b176d26d7edd74f65ed6ccf28d17dc9f4f64decc0cae12810c3659a5ed6f811a/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-05-29 15:09:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wf3ne3l63v2pmxwwztzi2f64t5hwjxwmbsxbfaimgzm2l3lpqena._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
00abf40ad25f2fe3e482e64cf336649cd4e9072092ae2bfad4201637bdf4ba7a
AgentTesla
6335b9e2204cdd0a2c6cbd39296aa6b409e46a3ec9ccec992423e65ddae20f30
AgentTesla
82d32071833bc82e3d60a9904678a1ae49745d4f3cdda64e6d45355ae17bd59f
AgentTesla
b176d26d7edd74f65ed6ccf28d17dc9f4f64decc0cae12810c3659a5ed6f811a
AgentTesla
c4e0d8ae7e8574576dcae763e892888f741dd72178aa61e31cde60c17af6683c
AgentTesla
e0e9e48f20637598e39c11113db0e83a6a31efd3b94b2d400b110547687f2bf3
AgentTesla
+ 1'138 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240530-nmpsdsfg3t/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/dc714035-0775-45ec-b22c-3321cb2f6173
Unpacked files
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
Link:
https://www.unpac.me/results/ba714c68-a161-4fec-9633-cdc16f90794c/
SH256 hash:
ef478f12cf4b7d3f8e9a39235ca53ef06c1e8249a5d6679fb0f463f1fe18828b
MD5 hash:
4f7e88f22f510303d71b011a62056bd7
SHA1 hash:
9b1f5f8cfd67d237bde6c8610b9dc45737474082
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/ba714c68-a161-4fec-9633-cdc16f90794c/
Parent samples :
e34a0f638032121ee380aea9978261e25775097cdb5ad197e87a2cfa40a9e1a2
a73bde5818cf35b57af18ef482d69a39cf93ab332eb5a1301042c9b69e74dcc9
bda83410e36e6df3e02531ed3dbe7d419e8d950e5492d70ef222969013481778
b176d26d7edd74f65ed6ccf28d17dc9f4f64decc0cae12810c3659a5ed6f811a
4f6463b100f7812cc3d70de6abf38bd48290132ed93bc275fcedc5ef7571ff59
8054c765c0425811e3632409c6bbd9149fde1de08593796957ca55ead7e9e683
b07cd71f9882bdd5e28f47863b84634b985bebb1dab1e5cc84e246b94fe8c864
584b6e279cccf8b9faedfbc68242f158f19f881643fc79614f3cd96d4c50cf89
3f084903c5b689b3d88e36e524bd3fcbda689a2b6d2446b8b10fbd97b145db7a
ef478f12cf4b7d3f8e9a39235ca53ef06c1e8249a5d6679fb0f463f1fe18828b
6659e8c041d7b2bf5ca0756ea730d0f8cfb7a81da170c1e4c4210df200b0dee2
6b2b45511ae0d69b6b56f7ef9250154eef125db09138d5eef1a50312fc7ae438
7a43feca0b94dac643e10cc217a4dd5d519399791611fb9629aa186ba277ab00
f4afe4446a878c9a6fc4975a2282713dccdd3a3a5bfad5e14e118e69af228791
b7c84d904c3b0fcbf398dffd631b5c963592ef3b121e01260106d452f55cfd74
7ff50e2ac12ad29d4b4d13feb4464a768a11b2081167ee6010062ec98c106b28
f2ac0a7e5be3c2b1df4cc8fa9cd69e057ffc4530622755624638d0d6840ec367
6cf42c50dcef16762b66a26f11289e66381fb5eb8313cb4674987a2f2179a4ac
ed7a1d3478eb66a7f8ba8a0be3da616f98340624cdb94f3474456ac400945058
a17cae5463618c9758dd98802353f8172e343dcad936a44c5f1d1fe5ff7813f6
1a9b0e1d73f7686b25b45d271edba4eaf6c93ae114e6805d5e39440a7e927353
199615b403169c65ed2e7257abc0653c5736045ce66c4ccce8466470cf8b4674
3b12c5d2a5297e788d71ea97da3992165c037a1cf541b7c987cc8063d33d565c
SH256 hash:
269c023e99454d09edfdbe93a68533a0d25b54260bd0347fbb33bf0d3069b38b
MD5 hash:
a43d3fed1024f19297fb468adc96104f
SHA1 hash:
852999ac08cf0ad3a84c8ae48d3c4ec1990e410f
Link:
https://www.unpac.me/results/ba714c68-a161-4fec-9633-cdc16f90794c/
SH256 hash:
25b5214317428b6661d063585c9de0ceb173e0cbf529069873599ac09f179ae9
MD5 hash:
a09ba49a164d02715cea9498b85dadb3
SHA1 hash:
5cb0c737d9fb738c36ca64082b53cd2d816b6e8b
Link:
https://www.unpac.me/results/ba714c68-a161-4fec-9633-cdc16f90794c/
Parent samples :
6379fc2cce3608db3ed95f85abf8e7391890b839c151224cca1dfc64c545b4d1
655a38b1686aa4f75f6dd4f2b59c8e9e09cde9997b46bafbe4e3dee38d859c99
SH256 hash:
b176d26d7edd74f65ed6ccf28d17dc9f4f64decc0cae12810c3659a5ed6f811a
MD5 hash:
4a73253b2ee68de1443cbc0f4fe04d2b
SHA1 hash:
59f423b8d0edf033c09b21b93042709de6531844
Link:
https://www.unpac.me/results/ba714c68-a161-4fec-9633-cdc16f90794c/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b176d26d7edd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b176d26d7edd74f65ed6ccf28d17dc9f4f64decc0cae12810c3659a5ed6f811a

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

Malspam

AgentTesla

rar f2b7f8f9bc7072021199a711f75a25a3ec738f3d4f8a3b30e5f260f274e4eae4

AgentTesla

Executable exe b176d26d7edd74f65ed6ccf28d17dc9f4f64decc0cae12810c3659a5ed6f811a

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 f2b7f8f9bc7072021199a711f75a25a3ec738f3d4f8a3b30e5f260f274e4eae4
  
Dropped by
MD5 2f99df3a6ce01ab19fad2383dd6979cd

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 (HIGH_ENTROPY_VA)high

Comments