MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82d1e259002e43b95937bc81dd217664d6b0776e39f6a25fd114ae7a37fdc616. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 82d1e259002e43b95937bc81dd217664d6b0776e39f6a25fd114ae7a37fdc616
SHA3-384 hash: 382c8084239de821d3200c8c05ca1e69a33a5de9d2bb6ba2f4cdb21115ff49e1d7c58b1eedff2d0bdba97b7a0f38d7b8
SHA1 hash: 9a6442051ff49b86c80675c1eb83b4f9620a50a6
MD5 hash: f3cd7f3717110f3259e206a52d5941bc
humanhash: eighteen-rugby-fourteen-asparagus
File name:Remittance Advice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:293'888 bytes
First seen:2023-05-29 09:53:51 UTC
Last seen:2023-06-05 15:37:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:EEuzQsL+FvbMDDMFlK+tQcQK+7tkKOFSY4/uixlkQBrH:BzwQEcbuk34WrQBr
TLSH T107541242777F562DE39F3BF597A33B8113698D063042D6298D8E304C6A6BF0A75C6B42
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
233
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Remittance Advice.exe
Verdict:
Malicious activity
Analysis date:
2023-05-29 09:57:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cbd9d194-142e-481e-884d-cea6752b0d3e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XorStringsNET
Create hunting rule
Link:
https://www.capesandbox.com/analysis/393023/
Detection(s):
Sanesecurity.Rogue.0hr.20230525-1237.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook packed remcos
Link:
https://www.filescan.io/uploads/64747646121fd25a23a702ba/reports/ae83076b-0a3c-4bf2-93c7-6486226daa5f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/82d1e259002e43b95937bc81dd217664d6b0776e39f6a25fd114ae7a37fdc616
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/65463d50-8f07-4665-a72d-2297f8798d63
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1244385
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
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
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 877394 Sample: Remittance_Advice.exe Startdate: 29/05/2023 Architecture: WINDOWS Score: 100 57 Found malware configuration 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 4 other signatures 2->63 6 Remittance_Advice.exe 3 2->6         started        10 YLcqPJe.exe 3 2->10         started        12 YLcqPJe.exe 2 2->12         started        process3 file4 29 C:\Users\user\...\Remittance_Advice.exe.log, ASCII 6->29 dropped 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->65 67 May check the online IP address of the machine 6->67 69 Injects a PE file into a foreign processes 6->69 14 Remittance_Advice.exe 17 5 6->14         started        19 Remittance_Advice.exe 6->19         started        21 Remittance_Advice.exe 6->21         started        23 Remittance_Advice.exe 6->23         started        71 Antivirus detection for dropped file 10->71 73 Multi AV Scanner detection for dropped file 10->73 75 Machine Learning detection for dropped file 10->75 25 YLcqPJe.exe 14 2 10->25         started        27 YLcqPJe.exe 2 12->27         started        signatures5 process6 dnsIp7 35 api.ipify.org 14->35 37 api4.ipify.org 104.237.62.211, 443, 49704, 49708 WEBNXUS United States 14->37 45 2 other IPs or domains 14->45 31 C:\Users\user\AppData\Roaming\...\YLcqPJe.exe, PE32 14->31 dropped 33 C:\Users\user\...\YLcqPJe.exe:Zone.Identifier, ASCII 14->33 dropped 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->47 49 Tries to steal Mail credentials (via file / registry access) 14->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->51 39 173.231.16.76, 443, 49706 WEBNXUS United States 25->39 41 api.ipify.org 25->41 43 api.ipify.org 27->43 53 Tries to harvest and steal browser information (history, passwords, etc) 27->53 file8 55 May check the online IP address of the machine 35->55 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/82d1e259002e43b95937bc81dd217664d6b0776e39f6a25fd114ae7a37fdc616/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-05-25 08:30:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qli6ewiafzb3swjxxsa52ilwmtlla53ohh3kex6rcsxhun75yyla._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230529-lw79zsbf5x/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
b236dff0df818bbf4fbf78ff08490b00a1f6872c1db11d4cd2827189c72ed7d2
MD5 hash:
39910e89e009a951c7b7b36522f57c16
SHA1 hash:
f0a3c75ec22270e798ec7fe0367067b50d6a80d7
Link:
https://www.unpac.me/results/17d2df6e-280d-493e-a0b3-aba16a78495a/
SH256 hash:
104f74e969972ec4989295780b5d4d4ecacbfb39fc01f93bf46b5e6fc4fe298e
MD5 hash:
14fdb0b593996e5a5b54308025df3061
SHA1 hash:
e752e83773bbbfe5259c2a01b848c221b9ed3e64
Link:
https://www.unpac.me/results/17d2df6e-280d-493e-a0b3-aba16a78495a/
SH256 hash:
4621f1b0f0d51f140e3f82cd956cd9d98918a43229b95a01398cfed9c32f245f
MD5 hash:
4000c20f89fee3dcd722cee732a16cd6
SHA1 hash:
8891ac7d2e81bbf32213a383501f7df8f2596753
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/17d2df6e-280d-493e-a0b3-aba16a78495a/
Parent samples :
846691ccd7702dfd6f178c0c85afc082a38a539ead46d78749941ea499743f6c
2d6c9ac070f5bb55d66de498da4a8c26d377eb79d7917d03af6d3608e350ac08
c4b217fc04b181a152acf96ddb6f3d3f21d946308ae37c443c283028b3b0fe8d
8743e0488e2396c788528f3febac8b7ced15f219750753231918a2b67a40ca8b
a3928afcfa8b3e1825c9796ea9099e59e1e7ae2306fbfcc20dc3aae7c6065121
d67557fd37174016e188f4e3932341f74c0a79ade0a34fbffc190e91b9e5a0e4
2a232d34df6f69da4deaf5c66978d63ed8de80b166c57f1b48c64dc35718fef5
2c78017d8001429c9377a93a0e0740ac8e6b6e4b7beae7c70ab2c4a367acfb42
7e4f2a5a6801e34e8f36b4a1b10f55721a36bcf044894e5011d9e008deb93326
fee8b0a5bd69e9ca4d343dbf309b19ecc9a510dc26f7d84d1095fbb494763a99
167ea427613672844817e73ce587a325bbce315affd1636c249249cecbada4b4
6702eafd72ff8081618fc0ad6feaf194cd4fae7d5798184bd0a61fc7de4e01bf
c0a41c1683f9c405b1b05ac226472474672346b6aebc21920eb1a8c2308a7c99
e76c0b33b1eb4fb2bd767d6142755b54da9bbfbe8c404da94842e54920ef70cf
7d4221474c9d762be541c0a9dfe4b551b7d287f823246f7482795a9d628bbb78
cbf5b33f7d2a64b4d561ca05203c5af1093dfaf3bf9755cefdc3975627022554
7560967ba08549d7a5048c6cc582b717f85392ff4bbbe39abec424416ba3755d
4279e95d6e73bfee362446cb9c60671a50847f6830f990b085b1c91e1491d9af
c28ad3336a4f9b1cf6009d53c8b35bd6e50521a5c4546c506e119af8a3274de5
405c9b3fbe1d2a384a8405eaec58eafe116b839170879773ea056bcd86dade74
da1e5e998d07bc5955e623316800479e2cfe58fa00679491669ad288b3d48a9b
82ff0a181a498c9a794c085821aeec269122f36c222dfcf31ea39d71d6b4c9f9
7dbe25e6222a22ea4419523ff3ec0d62c073d9bdce1fe2dc34f1fa8adafcd4c9
82d1e259002e43b95937bc81dd217664d6b0776e39f6a25fd114ae7a37fdc616
b13a9b8c3312ce8b485d1ddbc9a4c840a08e94793b109f2e7aef32b46fb999e3
ea3f69b9d5aebb683c12ff1014d62996dad0a81682e15386e838ac7d4120b430
4024305f22679e7580e906744bba5ad9193fbe444c9b30b24845f135886a3c86
a11e45f42950ae734ed9899726d90e51788282d5f3a0dc973a5fe6b7707b8516
e9b0ec0a9227f39255d2febd7eb08b56e436ba8e10d8d894294937b380eaf320
SH256 hash:
82d1e259002e43b95937bc81dd217664d6b0776e39f6a25fd114ae7a37fdc616
MD5 hash:
f3cd7f3717110f3259e206a52d5941bc
SHA1 hash:
9a6442051ff49b86c80675c1eb83b4f9620a50a6
Link:
https://www.unpac.me/results/17d2df6e-280d-493e-a0b3-aba16a78495a/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/82d1e259002e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/82d1e259002e43b95937bc81dd217664d6b0776e39f6a25fd114ae7a37fdc616

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:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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

zip 9250dc6899e66a743c20192f695439b8431b64b08c277c309c8dc070fa30afc2

AgentTesla

Executable exe 82d1e259002e43b95937bc81dd217664d6b0776e39f6a25fd114ae7a37fdc616

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/393023/
  
Dropped by
SHA256 9250dc6899e66a743c20192f695439b8431b64b08c277c309c8dc070fa30afc2
  
Dropped by
MD5 e51feadd375a89b216d9e8ed551341b0

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