MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15721ae2d04e5e9d1b9d49821e87cf5007bee2ba0b4306f5e6d0d190f2591759. 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: 13


Intelligence 13 IOCs YARA 15 File information Comments
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SHA256 hash: 15721ae2d04e5e9d1b9d49821e87cf5007bee2ba0b4306f5e6d0d190f2591759
SHA3-384 hash: 2438da40406c4cc88ed05a91160e9dc127f835a2791a164d03d6226860f4c9fdf7e5e1e70b313d073f366b34f12ca3ae
SHA1 hash: 3a247e03235c86730326f68319248d38b1a83531
MD5 hash: a98108f853d463f53cbf9d387939a355
humanhash: seven-football-harry-montana
File name:PO2023.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:602'112 bytes
First seen:2023-10-05 08:40:42 UTC
Last seen:2023-10-05 08:42:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:tawpe2SdqfYdxy1KhF5wZKvg7qNZfK3Gwwfe/7rM4VWjbH:tawpe2Sdqgm1AmFMZksf03kjbH
Threatray 65 similar samples on MalwareBazaar
TLSH T119D49D2175EF1E93F376F7BEC3A41A46C6BDF2F1695BBA1B204007A59412D81EB02934
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
257
Origin country :
CH CH
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2423.31448.8762.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/651e769f9b16696e9f91c390/reports/4bf68482-23e7-4992-bc51-c31b5ab3d259/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/15721ae2d04e5e9d1b9d49821e87cf5007bee2ba0b4306f5e6d0d190f2591759
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d9576f65-00d7-427d-a804-dbbf65d8ccdc
Result
Threat name:
AgentTesla, zgRAT
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1320020
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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: Scheduled temp file as task from temp location
Snort IDS alert 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 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
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1320020 Sample: PO2023.exe Startdate: 05/10/2023 Architecture: WINDOWS Score: 100 55 mail.selmopackaging.com 2->55 57 api4.ipify.org 2->57 59 api.ipify.org 2->59 65 Snort IDS alert for network traffic 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Antivirus / Scanner detection for submitted sample 2->69 71 10 other signatures 2->71 8 PO2023.exe 6 2->8         started        12 SAHcZQmqokCyT.exe 5 2->12         started        14 YXMWabc.exe 2->14         started        16 YXMWabc.exe 2->16         started        signatures3 process4 file5 51 C:\Users\user\AppData\...\SAHcZQmqokCyT.exe, PE32 8->51 dropped 53 C:\Users\user\AppData\Local\...\tmpB695.tmp, XML 8->53 dropped 83 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->83 85 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->85 87 Uses schtasks.exe or at.exe to add and modify task schedules 8->87 18 PO2023.exe 16 5 8->18         started        23 schtasks.exe 1 8->23         started        37 2 other processes 8->37 89 Antivirus detection for dropped file 12->89 91 Multi AV Scanner detection for dropped file 12->91 93 Machine Learning detection for dropped file 12->93 25 SAHcZQmqokCyT.exe 14 3 12->25         started        27 schtasks.exe 1 12->27         started        95 Injects a PE file into a foreign processes 14->95 29 YXMWabc.exe 14->29         started        31 schtasks.exe 14->31         started        33 YXMWabc.exe 16->33         started        35 schtasks.exe 16->35         started        signatures6 process7 dnsIp8 61 mail.selmopackaging.com 103.101.129.112, 49705, 49707, 49709 LEASEWEB-AS-APLEASEWEBAUSTRALIAPTYLIMITEDAU Australia 18->61 63 api4.ipify.org 173.231.16.77, 443, 49704, 49706 WEBNXUS United States 18->63 47 C:\Users\user\AppData\Roaming\...\YXMWabc.exe, PE32 18->47 dropped 49 C:\Users\user\...\YXMWabc.exe:Zone.Identifier, ASCII 18->49 dropped 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->73 75 Tries to steal Mail credentials (via file / registry access) 18->75 77 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->77 39 conhost.exe 23->39         started        79 Installs a global keyboard hook 25->79 41 conhost.exe 27->41         started        43 conhost.exe 31->43         started        81 Tries to harvest and steal browser information (history, passwords, etc) 33->81 45 conhost.exe 35->45         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/15721ae2d04e5e9d1b9d49821e87cf5007bee2ba0b4306f5e6d0d190f2591759/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
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Status:
Malicious
First seen:
2023-10-04 04:57:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cvzbvywqjzpj2g45jgbb5b6pkad35yv2bnbqn5pg2dizb4szc5mq._file
Verdict:
malicious
Similar samples:
1c754314f04cdcce697edd7ec302173990f645b1cc6e94347a38f543fdc93492
AgentTesla
3be6612501472572fdc009d75567cb83d4f2f54a7628c2b95b48adb6bdc43b9b
AgentTesla
4894c3f698e1101a02c7af04e0fd81e36a0d91c0ce7c7003234e7bc18906f024
AgentTesla
4d845e9e862b6cc61cf4909f4c16c2330483ba62d32c977c0080020a841bf3e1
AgentTesla
a55bc4f0b6518131e8b5a86cadfe4c15201753ca1e14b0fc36692ae802298c7a
AgentTesla
cef638c80808c085c6ad3382a2c0d1f664a0cba324a178fa2acdd572a193eac5
AgentTesla
db6d0d7d8fbb083af05032fa8d3d516cf789f2f81fc651749e77bb4f7ba4e5ee
AgentTesla
+ 55 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware stealer
Link:
https://tria.ge/reports/231005-klen9ahg2t/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
8cb931096e005fc6a49412223dfb72fc33d79b61a3a3decf38e55ff62066de74
MD5 hash:
0e60fdfe9247d494cff2ee0f09aab22e
SHA1 hash:
e4a3155ba4dce72d95b079b9e2dcc3ce28d88db4
Link:
https://www.unpac.me/results/b7aa511d-f6f4-478d-84a8-c07482769b7e/
SH256 hash:
5cf51d1a8d4bd940740e90e3962cea8e939e791ef7c5bd88d1a0cb574af25b70
MD5 hash:
9407c2206b85c7cb0949ef623fa614d8
SHA1 hash:
df6e3ec48a4e673d93fc6818db52460ce8fadd9a
Link:
https://www.unpac.me/results/b7aa511d-f6f4-478d-84a8-c07482769b7e/
SH256 hash:
dda615fd3b8e816d2ad5759ee2902da60757c87f8b09e6bccc1fb5f06df44163
MD5 hash:
3a8a332247a56586c95be1cf0796df80
SHA1 hash:
ae9361edbc9ffe04e1aa87a94f614bcb5f947d81
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/b7aa511d-f6f4-478d-84a8-c07482769b7e/
Parent samples :
15721ae2d04e5e9d1b9d49821e87cf5007bee2ba0b4306f5e6d0d190f2591759
2e7dc62b545d03ab072eed81069f4739e61f1b477146b830025873c27e7c68bd
SH256 hash:
15721ae2d04e5e9d1b9d49821e87cf5007bee2ba0b4306f5e6d0d190f2591759
MD5 hash:
a98108f853d463f53cbf9d387939a355
SHA1 hash:
3a247e03235c86730326f68319248d38b1a83531
Link:
https://www.unpac.me/results/b7aa511d-f6f4-478d-84a8-c07482769b7e/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/15721ae2d04e/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/15721ae2d04e5e9d1b9d49821e87cf5007bee2ba0b4306f5e6d0d190f2591759

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: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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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

File information

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

Malspam

AgentTesla

zip d68d71d52c874838f069a1892f660345393e323600a4dfc664a72b7bee2fe009

AgentTesla

Executable exe 15721ae2d04e5e9d1b9d49821e87cf5007bee2ba0b4306f5e6d0d190f2591759

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 d68d71d52c874838f069a1892f660345393e323600a4dfc664a72b7bee2fe009
  
Dropped by
SHA256 7dbcd203d3c96eb914094bab8a130589249813ba7ef7e81ab9b75d18630ef97c
  
Dropped by
MD5 2108686624430424e86176d7451c43de
  
Dropped by
MD5 ec10979b02d4a069348335c33e0b46ff

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