MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 01b9dcef06125de378e0a88f398cb651e2b3200eaef8d4847136b1dc6560057f. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
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SHA256 hash: 01b9dcef06125de378e0a88f398cb651e2b3200eaef8d4847136b1dc6560057f
SHA3-384 hash: abece6a0f1fcf22fcb862fb90773e49998420e1edf28829bc175c7da7b162dbfaf756d5586acf2a3f7e6073d1ff3477a
SHA1 hash: 6afa626be8675bddedfd9026cb1a441a919b9ffa
MD5 hash: dfb955bcc1ee255de7884d82a4293449
humanhash: carolina-victor-lima-golf
File name:PRE ALERT DOCUMENTS.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:812'544 bytes
First seen:2022-06-08 11:59:36 UTC
Last seen:2022-06-09 05:54:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:3dpimWAfhE9qtJNCvTPi5cLYHI+c7FqkdOCm84ahwAZvwUVTA7goNuG:PIAfhE0NCrPi5LIMCmhJAZYUm79gG
TLSH T11905D001E5FB8E72E6964377C4D65820D3FB8202D1D7E76B324812E5AD437DEC952AC2
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PRE ALERT DOCUMENTS.exe
Verdict:
Malicious activity
Analysis date:
2022-06-08 20:41:40 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/1d27d309-1bb8-4714-b0f7-3fb9612fb149

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/277767/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.16595.10521.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62a08f88c221aaaa25c11546/reports/2ef7d74a-737a-4005-9a97-6fbb6bfa2383/overview
Result
Verdict:
UNKNOWN
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/cb3370d7-e8b6-4b5e-8f9c-00e877d7676a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1008971
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Initial sample is a PE file and has a suspicious name
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)
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 641467 Sample: PRE ALERT DOCUMENTS.exe Startdate: 08/06/2022 Architecture: WINDOWS Score: 100 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for dropped file 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 16 other signatures 2->45 7 PRE ALERT DOCUMENTS.exe 7 2->7         started        process3 file4 27 C:\Users\user\AppData\...\qVhfzayUvegqyH.exe, PE32 7->27 dropped 29 C:\...\qVhfzayUvegqyH.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmpB36E.tmp, XML 7->31 dropped 33 C:\Users\user\...\PRE ALERT DOCUMENTS.exe.log, ASCII 7->33 dropped 47 Adds a directory exclusion to Windows Defender 7->47 11 PRE ALERT DOCUMENTS.exe 7->11         started        15 powershell.exe 23 7->15         started        17 powershell.exe 25 7->17         started        19 schtasks.exe 7->19         started        signatures5 process6 dnsIp7 35 api.telegram.org 149.154.167.220, 443, 49760 TELEGRAMRU United Kingdom 11->35 37 192.168.2.1 unknown unknown 11->37 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file / registry access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/01b9dcef06125de378e0a88f398cb651e2b3200eaef8d4847136b1dc6560057f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-08 10:33:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ag45z3ygcjo6g6havchttdfwkhrlgiaov34njbdrg2y5yzlaav7q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220608-n6bd4scce6/
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot1562684159:AAF0RHsedAMUFPfvPk6IyrreCEPxQ_b3Y3g/sendDocument
Unpacked files
SH256 hash:
713ab34fd28f224c7a4691456fe4c699f8021898d1b89394c4e694fdc5ee830f
MD5 hash:
b6fd787c96dd6dd5c65d5faf20b3132c
SHA1 hash:
a7d4629771c0a03ca5f711b9b7ff942de80ba54f
Link:
https://www.unpac.me/results/4ce7e97f-b5a8-4d9e-897d-659eca0cfb76/
SH256 hash:
72ce34fbcf86a26e5718e2d23fe5b4548d0a13f121599f46d44e10191ed3b5e5
MD5 hash:
c6e5ba52d7536efbb2a6153618464676
SHA1 hash:
748d2813924dd1dd2cbe5ace60399f090c16ad3b
Link:
https://www.unpac.me/results/4ce7e97f-b5a8-4d9e-897d-659eca0cfb76/
SH256 hash:
fe78017f2153de0c5ca645c4255899ab044502fe5c77d5c04ced635d9fe981d9
MD5 hash:
ab47b292d4d39311539a0b97e6661f4f
SHA1 hash:
54cd9efbebe4f41b23e6f24fffac0da8f72d921b
Link:
https://www.unpac.me/results/4ce7e97f-b5a8-4d9e-897d-659eca0cfb76/
SH256 hash:
4aa82f9d46b9dd2c18cea88e52e3ddec7f76400fabf570321ef359823a4b0a21
MD5 hash:
f7629d1e2ffa5a0a253738e4859fdeef
SHA1 hash:
3054ce04b511f9644e29c3d5219740214fd8b562
Link:
https://www.unpac.me/results/4ce7e97f-b5a8-4d9e-897d-659eca0cfb76/
SH256 hash:
01b9dcef06125de378e0a88f398cb651e2b3200eaef8d4847136b1dc6560057f
MD5 hash:
dfb955bcc1ee255de7884d82a4293449
SHA1 hash:
6afa626be8675bddedfd9026cb1a441a919b9ffa
Link:
https://www.unpac.me/results/4ce7e97f-b5a8-4d9e-897d-659eca0cfb76/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/01b9dcef0612/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/01b9dcef06125de378e0a88f398cb651e2b3200eaef8d4847136b1dc6560057f

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 22ad1cf85cf71eac95fccd0564f47b3203a31399097c1e95bc2a6c0089a78ccd

AgentTesla

Executable exe 01b9dcef06125de378e0a88f398cb651e2b3200eaef8d4847136b1dc6560057f

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/277767/
  
Dropped by
SHA256 22ad1cf85cf71eac95fccd0564f47b3203a31399097c1e95bc2a6c0089a78ccd
  
Dropped by
MD5 acbb93273e9eb24b6982c51b038a90cb

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