MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1c86264a08c92aaec1c6cdd9dea602387c0cc2a14d7fd715165a18a757c4ea2. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1c86264a08c92aaec1c6cdd9dea602387c0cc2a14d7fd715165a18a757c4ea2
SHA3-384 hash: a0195c5ac506a4e6c12c2f0c0304e1e56295307ee4d4d27e9f96ccd0505ffc9c4a0cad2619296404b88a13f4da8337d3
SHA1 hash: b853261c959877aafa11cf79540fd79a1ad630d3
MD5 hash: 043b5d0bfde4c1df0df54e0eb2d8351a
humanhash: johnny-lake-video-wyoming
File name:fatura64383,pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:479'068 bytes
First seen:2023-02-22 12:29:21 UTC
Last seen:2023-02-22 14:42:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 12288:SYnY72NMIrFP2h5BDKKEmmVODN9G3MAiC7ekhj1Wy:SYnYiNHrFOh5U71oN8HWy
Threatray 1'515 similar samples on MalwareBazaar
TLSH T1B2A4AD63F122F9CDDCBE1FF0247B916117989F2F114D04A932B8BEAA317E6C42615E64
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 c4ccf0d0f1f1f03c (2 x SnakeKeylogger, 2 x AgentTesla, 1 x Formbook)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
200
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fatura64383,pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-02-22 12:32:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5e1c2947-df56-443b-937a-5fe145da829d

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/369026/
Detection(s):
Sanesecurity.Malware.28885.BadCo.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Сreating synchronization primitives
DNS request
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/72236/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63f60ace42bf85850e3fd659/reports/7ba3a709-b2e0-44e0-b2f9-b63874f96ce7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b1c86264a08c92aaec1c6cdd9dea602387c0cc2a14d7fd715165a18a757c4ea2
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/e95b70d0-a64d-4d23-b3d7-1409623283c8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1180565
Signature
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Maps a DLL or memory area into another process
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 813399 Sample: fatura64383,pdf.exe Startdate: 22/02/2023 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected Telegram RAT 2->42 44 2 other signatures 2->44 7 fatura64383,pdf.exe 19 2->7         started        10 imqhlnljcrm.exe 1 2->10         started        12 imqhlnljcrm.exe 1 2->12         started        process3 file4 32 C:\Users\user\AppData\Local\...\spyrtkwd.exe, PE32 7->32 dropped 14 spyrtkwd.exe 1 3 7->14         started        18 WerFault.exe 3 10 10->18         started        20 conhost.exe 10->20         started        22 WerFault.exe 10 12->22         started        24 conhost.exe 12->24         started        process5 file6 34 C:\Users\user\AppData\...\imqhlnljcrm.exe, PE32 14->34 dropped 54 Detected unpacking (changes PE section rights) 14->54 56 Detected unpacking (overwrites its own PE header) 14->56 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->58 60 4 other signatures 14->60 26 spyrtkwd.exe 17 3 14->26         started        30 conhost.exe 14->30         started        signatures7 process8 dnsIp9 36 api.telegram.org 149.154.167.220, 443, 49715 TELEGRAMRU United Kingdom 26->36 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->46 48 Tries to steal Mail credentials (via file / registry access) 26->48 50 Creates multiple autostart registry keys 26->50 52 Tries to harvest and steal browser information (history, passwords, etc) 26->52 signatures10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b1c86264a08c92aaec1c6cdd9dea602387c0cc2a14d7fd715165a18a757c4ea2/
Threat name:
Win32.Trojan.GenShell
Create hunting rule
Status:
Malicious
First seen:
2023-02-22 12:30:09 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whegezfarsjkv3a4ntoz32taeod4btbkctl724krmwqyu5l4j2ra._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
165a4a13cc076a6cf2a41f4b6bb1d2336033d9976d0abb8f02e941eb64a6f963
AgentTesla
4059686e35766f53fb8adf6d48a91c3773542bc25001a400b6065193a40136c7
AgentTesla
60230d8230a3927a13571a6c4a9373a064211251e65633f9c6c1f1881bc08d1f
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688caa06e305d2bd7218f806b5a5b21ec6ed4dda1284ae5c136f226be21735e9
AgentTesla
9d4bb6ad1ecf6354fa3839fc9ae30f458bfb8a4dc0c1b99ad024108113afa833
AgentTesla
cd176549b119d9582e417788568e7a2bbb0585c2d8057378e753bb4f12806764
AgentTesla
e92d947e5ba510e9dff65b5e87e56e08df8c70e1bd9a05ea7ed08a860b957295
AgentTesla
+ 1'505 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/230222-pphmjadb21/
Behaviour
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
Executes dropped EXE
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
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5819264248:AAFhEWqwzH97rboiSTIKhByPMpt7aFJRdMQ/
Unpacked files
SH256 hash:
bad885c15cdd22252261f2e3a6b2ec370c0423ffd757c19c12c206fa698723a6
MD5 hash:
b70cc5a118e3f1e638d9bdf247416c00
SHA1 hash:
561362fa02049c7b1ac26c6908fd5c1fe5443421
Link:
https://www.unpac.me/results/7bdd3f10-9d5a-4d50-a3f6-c191ff28001c/
SH256 hash:
b1c86264a08c92aaec1c6cdd9dea602387c0cc2a14d7fd715165a18a757c4ea2
MD5 hash:
043b5d0bfde4c1df0df54e0eb2d8351a
SHA1 hash:
b853261c959877aafa11cf79540fd79a1ad630d3
Link:
https://www.unpac.me/results/7bdd3f10-9d5a-4d50-a3f6-c191ff28001c/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b1c86264a08c/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/b1c86264a08c92aaec1c6cdd9dea602387c0cc2a14d7fd715165a18a757c4ea2

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:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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

Executable exe b1c86264a08c92aaec1c6cdd9dea602387c0cc2a14d7fd715165a18a757c4ea2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/369026/

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