MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf45934ee0bdc9686c376ab5d5b6a9e864f0c57caef418c82c43a5e35538f7d5. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: bf45934ee0bdc9686c376ab5d5b6a9e864f0c57caef418c82c43a5e35538f7d5
SHA3-384 hash: 41b835d232867217fed4d39bae55cdcc3a2f3333ea0bad30eb7d5558655d759a290359d199d1c07c4ce9a0e5b4eeb433
SHA1 hash: bc3164d53b87a4b367f777eecf4b940343126ede
MD5 hash: 3eff9491953424af30b31b08436af9bd
humanhash: tennessee-oranges-oregon-iowa
File name:invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:454'144 bytes
First seen:2022-01-20 06:58:23 UTC
Last seen:2022-01-20 14:40:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:mTmD2LZnhdzjFZf4uvPB0RUDiw0OU9KNIx//JPAu:TDiphdzRZgudiwOKNKJIu
Threatray 14'174 similar samples on MalwareBazaar
TLSH T1B0A412047B6D823BCD6CDAF8140221B677B8467A2046E7CD6DCDD0DE44E2BDE99026E7
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence

File Origin
# of uploads :
4
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/220908/
Detection(s):
Sanesecurity.Rogue.0hr.20220120-0603.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Launching a process
Creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61e9083bd32385db630d5440/reports/72a5034a-402e-4f01-b8d4-c20f2206cf43/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/9eafc124-8144-49c2-b836-ca91e3a6c9c9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/924047
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to register a low level keyboard hook
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Modifies the hosts 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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 556522 Sample: invoice.exe Startdate: 20/01/2022 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 10 other signatures 2->47 6 invoice.exe 3 2->6         started        10 kprUEGC.exe 2 2->10         started        12 kprUEGC.exe 1 2->12         started        process3 file4 23 C:\Users\user\AppData\...\invoice.exe.log, ASCII 6->23 dropped 49 Writes to foreign memory regions 6->49 51 Allocates memory in foreign processes 6->51 53 Injects a PE file into a foreign processes 6->53 14 RegSvcs.exe 2 4 6->14         started        19 conhost.exe 10->19         started        21 conhost.exe 12->21         started        signatures5 process6 dnsIp7 29 scsgroups.com 103.6.196.179, 49818, 587 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 14->29 31 mail.scsgroups.com 14->31 25 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 14->25 dropped 27 C:\Windows\System32\drivers\etc\hosts, ASCII 14->27 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->35 37 Tries to steal Mail credentials (via file / registry access) 14->37 39 7 other signatures 14->39 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf45934ee0bdc9686c376ab5d5b6a9e864f0c57caef418c82c43a5e35538f7d5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-20 03:14:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x5czgtxaxxewq3bxnk25lnvj5bspbrl4v32brsbmios6gvjy67kq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1dd55c3da57f38fa92cf2ea0beb0f05afdc542492b66158a6190f681dcaffdfc
AgentTesla
5c32a6274a0a7bd4e25bc4f55d8b27f649b99bfcc00b325462c2b413fcf1e95b
AgentTesla
6aff239dea583fdf25d73f636e28a43e82ec19cc9d9f1b9a4155706d3498fb01
AgentTesla
834d14d96b15202e1ab5bf18241d9c601b0b00c3d813607e036b52020cd9604b
AgentTesla
91b2bd8220b7894edaac9e3a2641abc67eb760bd7ab73a28763f4138820c78d5
AgentTesla
ab3722d5df5b9c175bb8e2992895ffb9b2ce317fd3b1e8f49a10b7433ee5a17e
AgentTesla
da553dacec1474a31018deb02f084f581710b8b63a02cd6f7c5f71d57ed8fd28
AgentTesla
f4f0f5854521d0f0b1a0bac1199898c419e3e81c324a27a76ee6b177ddd8eaff
AgentTesla
+ 14'164 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/220120-hr4jfsgegq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
18ab95f23869738df830677bbdfb0d2bde87679dcf2c6e150116897e4b4ebc15
MD5 hash:
e0d608bbe7238f672694e6928a25a1cd
SHA1 hash:
753b4be97dab5ccf65cad848cdbf02f79aa3cbd0
Link:
https://www.unpac.me/results/66d7f200-ba26-4a41-870e-17be3168852c/
SH256 hash:
77c84179a59f1d4cc70b93f68ad2d996aa29c255326693eb7f90e394491d6474
MD5 hash:
f2cad59be5b54c287b3ad2ca10cf2f96
SHA1 hash:
3aa88ca5443c4829466954a1fd8cd2f306bf1280
Link:
https://www.unpac.me/results/66d7f200-ba26-4a41-870e-17be3168852c/
SH256 hash:
5a24b1a0188261c70d0a5aeffb778500ed1512f16e5c11f6f5a7fa1ab78a7d38
MD5 hash:
89aa33b4e1ef0d577b9297dc0639a849
SHA1 hash:
28b5cdf3801d61923e6c1102c04e2e009212cb21
Link:
https://www.unpac.me/results/66d7f200-ba26-4a41-870e-17be3168852c/
SH256 hash:
bf45934ee0bdc9686c376ab5d5b6a9e864f0c57caef418c82c43a5e35538f7d5
MD5 hash:
3eff9491953424af30b31b08436af9bd
SHA1 hash:
bc3164d53b87a4b367f777eecf4b940343126ede
Link:
https://www.unpac.me/results/66d7f200-ba26-4a41-870e-17be3168852c/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/bf45934ee0bd/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/bf45934ee0bdc9686c376ab5d5b6a9e864f0c57caef418c82c43a5e35538f7d5

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

rar 31e8a8d60f9b9f519864009a48ae1cb815dc419f3f8655e8d771d74c5becc697

AgentTesla

Executable exe bf45934ee0bdc9686c376ab5d5b6a9e864f0c57caef418c82c43a5e35538f7d5

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 31e8a8d60f9b9f519864009a48ae1cb815dc419f3f8655e8d771d74c5becc697
Cape
Cape
https://www.capesandbox.com/analysis/220908/

Comments