MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b73c4c07db87052a48008e0e37e56247178dc05ef2b1cfaae0dc3080dbbd0839. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b73c4c07db87052a48008e0e37e56247178dc05ef2b1cfaae0dc3080dbbd0839
SHA3-384 hash: 7faa45563c5a268ecf592ac868c124deacc464a480262a58fed9ee93e4fe7af1f7b6a1fe96370ba389bbdd2b9a234bab
SHA1 hash: 60b8acc7fcc1aa414a79140b6c3a3aff8d90b701
MD5 hash: c5d5be2c4259871cdf3c76c73a6c0326
humanhash: princess-enemy-carpet-tennessee
File name:PO_90654437PR_PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:733'696 bytes
First seen:2022-06-07 07:42:24 UTC
Last seen:2022-06-07 11:04:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:LJB/V09q2tUk/bsnHkHCkdq5joohSvSvJP7wq:9B/V0btU4AHkikYHhuKZ7
Threatray 18'087 similar samples on MalwareBazaar
TLSH T1B0F4D090B3ABAF71F17C63F36420900817F4651E55A1E22A8EDDB0CE62B5F424AF5E17
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon cc00ecc4b6e400c4 (8 x Loki, 7 x AgentTesla, 7 x SnakeKeylogger)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PO_90654437PR_PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-06-07 08:12:02 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/3a9ea3f6-6cf8-44d7-9d8a-a5ce38b13d63

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/277252/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1364.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/629f0190824d74ef94f82f3e/reports/292e4581-457a-45dc-a0dd-f4b7206395ab/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/8c5032ea-5c05-4033-bb23-640242339b6a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1007907
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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 steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b73c4c07db87052a48008e0e37e56247178dc05ef2b1cfaae0dc3080dbbd0839/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-07 02:09:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w46eyb63q4csusaaryhdpzlci4ly3qc66ky47kxa3qyibw55ba4q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1198a451bd5c647dc451f747b3fe9013f178c393822007ebffb836cdf8431b6a
AgentTesla
2e429509ebdfe814918560102dcd1ebd5116fc4b9b0138ab647019bde4df6ab0
AgentTesla
5cc9057b964360d4cde63aeaf0ce296d789525322254f32d1fa3ab7ca5564d59
AgentTesla
70f7fe2c6a0f042ca4646e7257157a212ab00f03f34b472a8fe3b43695d49a08
AgentTesla
9246176ddd535c1d48514759ef33e8a129dc6881f685580484a8291940ea5e85
AgentTesla
abf47d602c5cf171f71ce2010a491fd9628215a7bc6ac717a9d28e0e71660aa6
AgentTesla
c8fe2136344b73f73fd892840bdc5895dd63ddcfd1ced78fe0973a84e6c7c148
AgentTesla
c9dafbfc46ddc581f8ec2ba7f4333d296a5f8838bc0d0e0d8b4858b40014479d
AgentTesla
f1fa2559638f8161d79b3cccc49942fe9faa52198ff91af0213d13b915b21b90
AgentTesla
+ 18'077 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220607-jj9k6scbf8/
Behaviour
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
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
3d4b6951c2dd38d8a58a13a68bed66c06b4560a709c95241e4378356eeb9f4c1
MD5 hash:
c2e9a639748efb655dafae9078da2873
SHA1 hash:
e20cee200d4b89454e26593cf671b55ec3206b34
Link:
https://www.unpac.me/results/4898969f-6ac8-4995-84ec-e74f22d9003c/
SH256 hash:
a83ba5f8894bd310527bdb97d1f9ec3f933e55fc5d508b63ece4af765df76d86
MD5 hash:
b725515f26a6e5486824c4ef6e7255ad
SHA1 hash:
38bd89474177c89e1f34c093de9d5e8147becfe3
Link:
https://www.unpac.me/results/4898969f-6ac8-4995-84ec-e74f22d9003c/
Parent samples :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 hash:
4b3059a1fcd6c58c7fc4e574766133e89e95cb0fe6631b7f4aee664370c2571d
MD5 hash:
97f6ddc9c7e648e589849d8d6466bc18
SHA1 hash:
1104888244c872d5726728e0cb05ae6edaabf2bf
Link:
https://www.unpac.me/results/4898969f-6ac8-4995-84ec-e74f22d9003c/
SH256 hash:
4beb21a61877546e64db2ac1d3253a825ca7199e85c6ddd93c4fdd7cb509f837
MD5 hash:
cfc71448ad138e5ae0f6191811df2edd
SHA1 hash:
0d64ab7868251fa70713d25891990ed3a4b04ed4
Link:
https://www.unpac.me/results/4898969f-6ac8-4995-84ec-e74f22d9003c/
SH256 hash:
b73c4c07db87052a48008e0e37e56247178dc05ef2b1cfaae0dc3080dbbd0839
MD5 hash:
c5d5be2c4259871cdf3c76c73a6c0326
SHA1 hash:
60b8acc7fcc1aa414a79140b6c3a3aff8d90b701
Link:
https://www.unpac.me/results/4898969f-6ac8-4995-84ec-e74f22d9003c/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b73c4c07db87/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/b73c4c07db87052a48008e0e37e56247178dc05ef2b1cfaae0dc3080dbbd0839

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 b73c4c07db87052a48008e0e37e56247178dc05ef2b1cfaae0dc3080dbbd0839

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/277252/

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