MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc34aca4f3035bcc925c891cb0c14aa20ba17b60d2d4f397a0327ce77e4c19bd. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fc34aca4f3035bcc925c891cb0c14aa20ba17b60d2d4f397a0327ce77e4c19bd
SHA3-384 hash: 3174a3e480fe2c2e29e35a2710cece18b34f62b7d2f3c6b8955645a612948c204a538b7ab2f00d75dc621e215afa6a33
SHA1 hash: 84cc41f9b4e4508994626693a104bc6aeea38cc7
MD5 hash: 9320e6e24cc1d962e7ce5c80061c5290
humanhash: oregon-seven-stairway-november
File name:COAU8028849970-DN.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:831'488 bytes
First seen:2023-01-20 04:17:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:jY8LJFaZiE5vxk29l7w/GWt2coDcdwDjKCTDcJCIb:FLHnkBwuWt2ZcdiuKUb
Threatray 20'197 similar samples on MalwareBazaar
TLSH T17005493A04B81AC6C1BEF27E9B95EC14FEE09442F201DD9FDEE20885D91268361DBD5D
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
COAU8028849970-DN.exe
Verdict:
Malicious activity
Analysis date:
2023-01-20 04:20:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ea0cc5f2-60fb-4b65-9871-a55132a06ada

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/354821/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.20331.15554.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lokibot obfuscated packed
Link:
https://www.filescan.io/uploads/63ca15fb2d4f6d560e221260/reports/34947f35-02fa-4883-9ac8-ad50e1de71ff/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/4b0ae57f-4dcf-4525-8356-25f7b6ef8f75
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1155278
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 788010 Sample: COAU8028849970-DN.exe Startdate: 20/01/2023 Architecture: WINDOWS Score: 100 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected AgentTesla 2->58 60 5 other signatures 2->60 7 COAU8028849970-DN.exe 6 2->7         started        11 KHLACIvZSTIeI.exe 5 2->11         started        13 yGbzOMp.exe 2 2->13         started        15 yGbzOMp.exe 2->15         started        process3 file4 40 C:\Users\user\AppData\...\KHLACIvZSTIeI.exe, PE32 7->40 dropped 42 C:\Users\user\AppData\Local\...\tmp3AD4.tmp, XML 7->42 dropped 44 C:\Users\user\...\COAU8028849970-DN.exe.log, ASCII 7->44 dropped 74 Uses schtasks.exe or at.exe to add and modify task schedules 7->74 76 Writes to foreign memory regions 7->76 78 Injects a PE file into a foreign processes 7->78 17 RegSvcs.exe 2 4 7->17         started        22 schtasks.exe 1 7->22         started        80 Multi AV Scanner detection for dropped file 11->80 82 Machine Learning detection for dropped file 11->82 24 RegSvcs.exe 3 11->24         started        26 schtasks.exe 1 11->26         started        28 RegSvcs.exe 11->28         started        30 conhost.exe 13->30         started        32 conhost.exe 15->32         started        signatures5 process6 dnsIp7 46 akhtargroup.com.bd 184.170.146.60, 49684, 49687, 587 FORTRESSITXUS United States 17->46 48 192.168.2.1 unknown unknown 17->48 50 mail.akhtargroup.com.bd 17->50 38 C:\Users\user\AppData\Roaming\...\yGbzOMp.exe, PE32 17->38 dropped 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->64 66 Tries to steal Mail credentials (via file / registry access) 17->66 68 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->68 34 conhost.exe 22->34         started        52 mail.akhtargroup.com.bd 24->52 70 Tries to harvest and steal browser information (history, passwords, etc) 24->70 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->72 36 conhost.exe 26->36         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fc34aca4f3035bcc925c891cb0c14aa20ba17b60d2d4f397a0327ce77e4c19bd/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-01-19 06:29:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7q2kzjhtann4zes4reolbqkkuif2c63a2lkphf5agj6oo7smdg6q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
09607c48d3c5930249aeb27320d1a808becd0ca63bdf8b85d0673c45e23e843f
AgentTesla
6e90c85fbcfa669738f0d090ebe3f5dceb5b4796cd523c3f51cc956af3a20cdf
AgentTesla
71f2b84781d797f891bf4e7c9b19de48ccac1928305afa0e8f264c736a3fdb1a
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7d142fc404d92deb83891ca5dacffbc9e9754797ed55b1562873a7b4c2c914b7
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affcc95b61bb0461fcd218472be113a32059cc9abef6cb88aecaaf6577634239
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d48dfdeae66e3e9775045a7e88381be5cca89840df1e05062bdc3f86bfcebb85
AgentTesla
d6aeb3ff89d6756a14f8a7731c4caa67fa652a5a4709c6804b94879f751a3c6f
AgentTesla
+ 20'187 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection persistence
Link:
https://tria.ge/reports/230120-ewybfsae96/
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
Adds Run key to start application
Checks computer location settings
Unpacked files
SH256 hash:
b065b049ffd805e316a9074fff89dd01fa613f5ae0306ac764dceae14bd530b8
MD5 hash:
a6e70bb65bf01a53e7b0e8bd7f79da51
SHA1 hash:
6822b8585ff4721ee9effc5d49b49521615b3a7b
Link:
https://www.unpac.me/results/d83b59ae-9c8a-4f25-8889-260c15fb4a96/
SH256 hash:
94c2ba257a21a0eb4527346753abdedc7bb2fe3aa72d20642546994626602129
MD5 hash:
874dcc6be499121b1425bfdff1f8ad46
SHA1 hash:
66f83bedc73876b77e152c604b8214bde86d965e
Link:
https://www.unpac.me/results/d83b59ae-9c8a-4f25-8889-260c15fb4a96/
SH256 hash:
3224039e31b26942a67629408924004131335ebb29e23cb3a1c82c4f24ae77ef
MD5 hash:
f7652cdbcb4995d2837d648cc3808875
SHA1 hash:
148dc62a1fe5f233890eb9af2be4e78136bc34ec
Link:
https://www.unpac.me/results/d83b59ae-9c8a-4f25-8889-260c15fb4a96/
SH256 hash:
fc34aca4f3035bcc925c891cb0c14aa20ba17b60d2d4f397a0327ce77e4c19bd
MD5 hash:
9320e6e24cc1d962e7ce5c80061c5290
SHA1 hash:
84cc41f9b4e4508994626693a104bc6aeea38cc7
Link:
https://www.unpac.me/results/d83b59ae-9c8a-4f25-8889-260c15fb4a96/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fc34aca4f303/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/fc34aca4f3035bcc925c891cb0c14aa20ba17b60d2d4f397a0327ce77e4c19bd

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

Executable exe fc34aca4f3035bcc925c891cb0c14aa20ba17b60d2d4f397a0327ce77e4c19bd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/354821/

Comments