MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9e91e0ffb8cb2160f8a85438e2ca0d8beea2c41797585049e3a8446df969888b. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9e91e0ffb8cb2160f8a85438e2ca0d8beea2c41797585049e3a8446df969888b
SHA3-384 hash: 9e751449b081237542d116292c6008b80d950f633d4683781a902137a11315e0137fc206a0210a2f4f6194c361b0e8c5
SHA1 hash: d31f0c8695f2101b84df5f9a2c6c5a2e79e7da0a
MD5 hash: bf26c1d1995ac4c07bd246aa3682f6fb
humanhash: carpet-montana-floor-washington
File name:Halkbank_Ekstre_20221228_153657_838044.PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:408'607 bytes
First seen:2022-12-28 20:23:16 UTC
Last seen:2022-12-28 21:37:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:wYa6zHHXNQOB46FYC3ub1dGr4Hx8KNAKnzERVbtjoBOEw1rolOB:wYFXNQY5rTKNxE1q88lOB
Threatray 20'457 similar samples on MalwareBazaar
TLSH T1BE94D052CD604CA3C5BECE701D374A554FAE9FDBC12095C6221837C8EFF71927A296A2
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 13332f0f0f333333 (3 x AgentTesla, 3 x a310Logger, 1 x Loki)
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank Telegram TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Halkbank_Ekstre_20221228_153657_838044.PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-12-28 20:27:48 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/bd787627-4f6b-4e7f-8749-676b16cd5933

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.15914.26136.22647.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
nemesis overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63aca5e40e926711fd7550db/reports/615dc2b2-a242-4fc8-8d66-0f88df0e3469/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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8553f19a-6758-4cec-9309-72bd0632f951
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1142331
Signature
.NET source code contains very large array initializations
Contains functionality to detect sleep reduction / modifications
Detected unpacking (creates a PE file in dynamic memory)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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)
Snort IDS alert for network traffic
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 an obfuscated file name to hide its real file extension (double extension)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 775059 Sample: Halkbank_Ekstre_20221228_15... Startdate: 28/12/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 7 other signatures 2->53 7 Halkbank_Ekstre_20221228_153657_838044.PDF.exe 19 2->7         started        10 uoymily.exe 1 2->10         started        13 uoymily.exe 1 2->13         started        process3 file4 33 C:\Users\user\AppData\...\xnrgsgebpz.exe, PE32 7->33 dropped 15 xnrgsgebpz.exe 1 3 7->15         started        55 Multi AV Scanner detection for dropped file 10->55 57 Machine Learning detection for dropped file 10->57 59 Contains functionality to detect sleep reduction / modifications 10->59 19 WerFault.exe 10 10->19         started        21 conhost.exe 10->21         started        23 WerFault.exe 4 10 13->23         started        25 conhost.exe 13->25         started        signatures5 process6 file7 35 C:\Users\user\AppData\Roaming\...\uoymily.exe, PE32 15->35 dropped 39 Multi AV Scanner detection for dropped file 15->39 41 Detected unpacking (creates a PE file in dynamic memory) 15->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->43 45 4 other signatures 15->45 27 xnrgsgebpz.exe 15 3 15->27         started        31 conhost.exe 15->31         started        signatures8 process9 dnsIp10 37 api.telegram.org 149.154.167.220, 443, 49700 TELEGRAMRU United Kingdom 27->37 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->61 63 Tries to steal Mail credentials (via file / registry access) 27->63 65 Tries to harvest and steal ftp login credentials 27->65 67 Tries to harvest and steal browser information (history, passwords, etc) 27->67 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9e91e0ffb8cb2160f8a85438e2ca0d8beea2c41797585049e3a8446df969888b/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-12-28 10:46:39 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=t2i6b75yzmqwb6fikq4ofsqnrpxkfraxs5mfaspdvbcg36ljrcfq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1f0ce53c95af874c9fdbceb5780c81e36cfea0aab0ab7012877094bbd5d774f4
AgentTesla
2a7c5c953cbe0b1bb073a6b4f12f316093c55be88d73db065f9d3439c8c7e044
AgentTesla
3eb2ff798dd0355a0586a1f69c22fae3633b496366f92a0706f7206ec2e9c265
AgentTesla
4b9761bcf4390d621a51510551602140fa4127d33245712580bc377b872476c4
AgentTesla
701f68aa98d570229fd0009b583ab60bb0360e802477777281ee71dbb6e93bbe
AgentTesla
b158cfeb27cf9f912f5ae4a9ca7f3cee94460218b008c69300913b98db3d0a2b
AgentTesla
be06f8a3ed040aadf2598bc5a9b4c886c271ad7866505dba11b723dba968f518
AgentTesla
de70eb2e0706822e1ca5f7a42944acb8d22d48bbb445ecaa3e4b032f539538a1
AgentTesla
fea4ab4634ee817f7e67e2b2d79f1550f998c072766807cb6052d5ee7efa9f91
AgentTesla
+ 20'447 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/221228-y6pa3sbe43/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Adds Run key to start application
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5798024834:AAGLHTcPdLDij7ehMoasiBZDz8oodefEy0E/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/41ecc07e-23d1-4cfd-bd4d-051db75e5311
Unpacked files
SH256 hash:
bd297cfb4512342f874517dab33f1e84a8beba34f915b17dfb4bf2fdcea4fea8
MD5 hash:
147f73ab87f0c2762828621a906d94c0
SHA1 hash:
f321a59e75fb9ec1c6d8bb1cc79f04e48eebf374
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/ed21ce4b-6b47-44b2-9aa5-1e5d2910d0da/
Parent samples :
7476ebf4d5eb027b773857718b4cb26e34846a82d1d5d2dbfc06e55c31f46e93
4b9761bcf4390d621a51510551602140fa4127d33245712580bc377b872476c4
0f8bdb179425c93430b81e36a2df60903c06de31ad4b7bebf1a85db865bb2495
9e91e0ffb8cb2160f8a85438e2ca0d8beea2c41797585049e3a8446df969888b
bbc3849d4c85b83bcd8a540db347fccc742ed4f8b767a17d6d5172f71054d52b
SH256 hash:
ffd4770ba9cbaa2cdddaab8b39581113d15a301f13829dcaf0d5e43c8e87d511
MD5 hash:
18ea698b79a9cfcdc0b1ba7717cf769d
SHA1 hash:
a36c6a948223e197bac4ac6e74342b7ef94fc334
Link:
https://www.unpac.me/results/ed21ce4b-6b47-44b2-9aa5-1e5d2910d0da/
SH256 hash:
4c03a9f7761460c6e81c82502b9524b48062180932e13cb3ec6afa3b972bc84d
MD5 hash:
9731995124936675618d5412a70913ef
SHA1 hash:
3e5b23b0a16a0e9eaeb91c0286007fbdaf2651a0
Link:
https://www.unpac.me/results/ed21ce4b-6b47-44b2-9aa5-1e5d2910d0da/
SH256 hash:
9e91e0ffb8cb2160f8a85438e2ca0d8beea2c41797585049e3a8446df969888b
MD5 hash:
bf26c1d1995ac4c07bd246aa3682f6fb
SHA1 hash:
d31f0c8695f2101b84df5f9a2c6c5a2e79e7da0a
Link:
https://www.unpac.me/results/ed21ce4b-6b47-44b2-9aa5-1e5d2910d0da/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9e91e0ffb8cb/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/9e91e0ffb8cb2160f8a85438e2ca0d8beea2c41797585049e3a8446df969888b

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_d3ac2b2f
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_e577e17e
Create hunting rule
Author:Elastic Security

File information

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

Malspam

AgentTesla

Executable exe 9e91e0ffb8cb2160f8a85438e2ca0d8beea2c41797585049e3a8446df969888b

(this sample)

  
Delivery method
Distributed via e-mail attachment

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