MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f71c278f8f31eb5aafb97b9b8cc6c7f6b2aea97c80bca11ddeede2b7df8b1ee5. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f71c278f8f31eb5aafb97b9b8cc6c7f6b2aea97c80bca11ddeede2b7df8b1ee5
SHA3-384 hash: 277da7862574c6cb7db60a13809d8c75bdad57491df2286767a6481535c5211652a0f47bc367259a8e617f8aee6de27a
SHA1 hash: b70e1861d76cd1a37810fe91ec74cb1848011642
MD5 hash: 933c54fec2b05a8dc386623a79f5fed6
humanhash: four-mississippi-floor-sixteen
File name:HBL & MBL.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:795'648 bytes
First seen:2022-11-29 06:48:29 UTC
Last seen:2022-12-01 07:17:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:oKdsGfZFr5cE8LHWt+zvhqbcIERlSCWs/OL6mMk/SEdRMA/LyzIPPPu6gt:5WvL/YbclSa5mt9/LkInst
Threatray 20'129 similar samples on MalwareBazaar
TLSH T125058D9132B18673F4DF42691425318C2EBCB147B7E5E20B6F777A9051029BFF6A8E11
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
186
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
HBL & MBL.exe
Verdict:
Malicious activity
Analysis date:
2022-11-29 06:48:53 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/e0e29f36-86d1-4daf-b173-a4993e2b0114

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/339626/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.30821.28677.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
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6385ab6000c584752ee26524/reports/bd82a9c4-13d2-4690-8bb0-b64ff7fec5ee/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/72b31842-d36b-418f-a387-017a4eb2eabe
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1123073
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 array initializations
Injects a PE file into a foreign processes
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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 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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 755797 Sample: HBL & MBL.exe Startdate: 29/11/2022 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Sigma detected: Scheduled temp file as task from temp location 2->43 45 11 other signatures 2->45 7 DlyOwyVrzaxNT.exe 5 2->7         started        10 HBL & MBL.exe 6 2->10         started        process3 file4 47 Multi AV Scanner detection for dropped file 7->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->49 51 Machine Learning detection for dropped file 7->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->53 13 DlyOwyVrzaxNT.exe 3 7->13         started        17 schtasks.exe 1 7->17         started        19 DlyOwyVrzaxNT.exe 7->19         started        21 DlyOwyVrzaxNT.exe 7->21         started        31 C:\Users\user\AppData\...\DlyOwyVrzaxNT.exe, PE32 10->31 dropped 33 C:\Users\user\AppData\Local\...\tmpC896.tmp, XML 10->33 dropped 35 C:\Users\user\AppData\...\HBL & MBL.exe.log, ASCII 10->35 dropped 55 Injects a PE file into a foreign processes 10->55 23 HBL & MBL.exe 3 10->23         started        25 schtasks.exe 1 10->25         started        signatures5 process6 dnsIp7 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->57 59 Tries to steal Mail credentials (via file / registry access) 13->59 61 Tries to harvest and steal ftp login credentials 13->61 63 Tries to harvest and steal browser information (history, passwords, etc) 13->63 27 conhost.exe 17->27         started        37 mail.sseximclearing.com 162.215.240.200, 49716, 49722, 587 PUBLIC-DOMAIN-REGISTRYUS United States 23->37 29 conhost.exe 25->29         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f71c278f8f31eb5aafb97b9b8cc6c7f6b2aea97c80bca11ddeede2b7df8b1ee5/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-28 17:56:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
31 of 41 (75.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=64ocpd4pghvvvl5zponyzrwh62zk5kl4qc6kcho65xrlpx4ld3sq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2da1b97a8e440821d736f32a57696f74038e5982455aeceeff5b9e4ec1a41f14
AgentTesla
5c655562f6814bc5b70772705bc45ab78cb7d91d518774cf1aa271581eb0405b
AgentTesla
68c3508e980dd892e048b76b56f4ccf61a123ffe3b57039de7db4620f957d976
AgentTesla
6c0fa98c3efe2e344205ce8ebf89e440100294b7a1d4624f7484c2dadc644b0b
AgentTesla
add9c8baf898a95f7fda191fc281bbd09f36d8548fec2169d53e1998a6baca48
AgentTesla
da3907286f538586573df79364298076e3e1605daadc7de588e57fe1544604df
AgentTesla
de5b61d6d78fd9f35298ac0f1adbca16f102ded02fbfb04b43cff96b7b4862a6
AgentTesla
+ 20'119 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/221129-hlchsahg4w/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
AgentTesla
Unpacked files
SH256 hash:
45c2cac4d0a992efb6f90316dd500962aa2c8a45a9fa783e57dd895883f1f46e
MD5 hash:
2d669ed3e1b836628ef4db66d085a354
SHA1 hash:
ebf1192e07be63b683f58c576938366c378f9024
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/a4d10bb6-80b0-4fd8-9f34-55e3de38fe9d/
Parent samples :
8f849e8b729c955d5bfd1a320b19e550a55405694698aa236a82df9a1e240b79
f71c278f8f31eb5aafb97b9b8cc6c7f6b2aea97c80bca11ddeede2b7df8b1ee5
b8a09ea82f8b7fddae5914b0a4623be25143bee510b2f4b32c5fdb75e50ed2dd
10f9a7caacb09cf3920014d506b3ec773bbbf414dbbe8494430b381a8b80a71d
fca4f0d02a87365b83bf772b3a53bf10b6aae897a7cf208ea4f0081c99f7fbe1
589c67cd28abd40173abc9bfe2fb2b80eaa905bc8bd0be9b70d04c73829a7423
88f0b2be696aeec3906847d89f08cebbe6a66d288231873cb7c7cf0e309de87f
7853f69966afca5c87f922743d15fc62719b3eea4663aee7f5efc48a628fbcb0
SH256 hash:
78564452a850075d60f6b1c6cc839174b3b8a5e70e29b50bad51c798562ccfc0
MD5 hash:
0e0c199184eb7ec49493170a3faffe42
SHA1 hash:
b9478641ab1104fd1d9542a804bd608ac5eefadf
Link:
https://www.unpac.me/results/a4d10bb6-80b0-4fd8-9f34-55e3de38fe9d/
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/a4d10bb6-80b0-4fd8-9f34-55e3de38fe9d/
SH256 hash:
f71c278f8f31eb5aafb97b9b8cc6c7f6b2aea97c80bca11ddeede2b7df8b1ee5
MD5 hash:
933c54fec2b05a8dc386623a79f5fed6
SHA1 hash:
b70e1861d76cd1a37810fe91ec74cb1848011642
Link:
https://www.unpac.me/results/a4d10bb6-80b0-4fd8-9f34-55e3de38fe9d/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f71c278f8f31/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/f71c278f8f31eb5aafb97b9b8cc6c7f6b2aea97c80bca11ddeede2b7df8b1ee5

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: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 7877c4bba8677a8d98fba31b8fb46526303863b520d35ab3cdcd3436d4bac2b3

AgentTesla

Executable exe f71c278f8f31eb5aafb97b9b8cc6c7f6b2aea97c80bca11ddeede2b7df8b1ee5

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/339626/
  
Dropped by
SHA256 7877c4bba8677a8d98fba31b8fb46526303863b520d35ab3cdcd3436d4bac2b3
  
Dropped by
MD5 42f697281443db23a08b82fdad84a19e
  
Dropped by
SHA256 883e97f9a8641944502df27ca0d242fb89b69596f888f58b5c984eb166772cc0
  
Dropped by
MD5 a05e3ab423bbc83700d1bcb68af50807

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