MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 841c2906a20d94ec86b77f8521073f13981909c97a739a06f84a7bb9dc9cbe6b. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 841c2906a20d94ec86b77f8521073f13981909c97a739a06f84a7bb9dc9cbe6b
SHA3-384 hash: bdf436f72c49b12f81923fa7e11a678532ec079f425e6aced7de57edf3edf26fc7c79290d46f99f57deb7763f1286dc8
SHA1 hash: b94dea7be04f47e7c18bb62bdd87759fbc87252c
MD5 hash: 51a8ed9362dafa607d65a84a0a7b4b03
humanhash: hydrogen-september-steak-uncle
File name:PO 211436_Sirius Electronics Ltd.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:744'960 bytes
First seen:2023-06-20 06:26:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Gb903YDHHJHHlHHTHHHH2iuPM7q6bpw4dcZda/igJynpsgnXrR0jw2ey6ZgS0Hn+:Gb903YDHHJHHlHHTHHHH3zu4CZdOwzdt
Threatray 5'459 similar samples on MalwareBazaar
TLSH T164F402185A878A0BC02A4FB59460F774922C9E997712D6EF0DCF7CC7BF267C90A31649
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 2b2555676501612b (15 x AgentTesla, 3 x Loki, 2 x Neshta)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
249
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO 211436_Sirius Electronics Ltd.exe
Verdict:
Malicious activity
Analysis date:
2023-06-20 06:53:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/285e4783-cbf6-44c6-bd54-9c5758e85668

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/400818/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/649146b63067ea15b65681d3/reports/0885ee71-0a5b-4077-a48d-de9081d370d1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/841c2906a20d94ec86b77f8521073f13981909c97a739a06f84a7bb9dc9cbe6b
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/099faadb-22d6-41d2-872a-8d0fcea95fd4
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1258473
Signature
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
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: 891509 Sample: PO_211436_Sirius_Electronic... Startdate: 20/06/2023 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AgentTesla 2->49 51 2 other signatures 2->51 6 PO_211436_Sirius_Electronics_Ltd.exe 3 2->6         started        10 fRwZyP.exe 3 2->10         started        12 fRwZyP.exe 2 2->12         started        process3 file4 25 PO_211436_Sirius_Electronics_Ltd.exe.log, ASCII 6->25 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 Injects a PE file into a foreign processes 6->55 14 PO_211436_Sirius_Electronics_Ltd.exe 2 5 6->14         started        57 Multi AV Scanner detection for dropped file 10->57 19 fRwZyP.exe 2 10->19         started        21 fRwZyP.exe 10->21         started        23 fRwZyP.exe 2 12->23         started        signatures5 process6 dnsIp7 31 us2.smtp.mailhostbox.com 208.91.199.224, 49682, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->31 27 C:\Users\user\AppData\Roaming\...\fRwZyP.exe, PE32 14->27 dropped 29 C:\Users\user\...\fRwZyP.exe:Zone.Identifier, ASCII 14->29 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file / registry access) 14->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->41 33 208.91.199.223, 49683, 49684, 587 PUBLIC-DOMAIN-REGISTRYUS United States 19->33 35 192.168.2.1 unknown unknown 19->35 43 Tries to harvest and steal browser information (history, passwords, etc) 23->43 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/841c2906a20d94ec86b77f8521073f13981909c97a739a06f84a7bb9dc9cbe6b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-06-20 01:58:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qqocsbvcbwkozbvxp6cscbz7combscojpjzzubxyjj53txe4xzvq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
02094b7e703e771b2837b93696f998aaf57f09b0d44aa4059cb3c4c691f786b4
AgentTesla
21a5e58e2fe39e481f9977f94a94d352c4c492e9bd6d79d4ae3bbf4cc4a2d751
AgentTesla
265239e9f3afc31425ff40cae955be249c0f2251437ed837a1c4567069fabce8
AgentTesla
37dc167da39f0b4322d8936d32185c2c99931b63284cc9edb230abd513dffbf1
AgentTesla
415dba49ad160b272fc159f4a7eacba2990c09f0941127acb8c3366fe7866c12
AgentTesla
4afc813a3653c61125093a1be3af978e112cdb889971d44810cb1b1b52a5dfb1
AgentTesla
6171f1157e6d3840397d27a5f484f8595770ad153d5969aa96a058114243cfa8
AgentTesla
6d9fe81f7f3e7e01b2f0ed86012b129172bbc4a3f3155339f8d2f14bfea2152b
AgentTesla
c7eb221558c49c1bc163ed223f2fd9847c4f1bce98401c779cbcdd5738b54edc
AgentTesla
f8c91d5c6dd452a15af5ecaf3ac6c9c076955708fc351ae4b8e2dbda928043fa
AgentTesla
+ 5'449 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/230620-g7q3mabe8z/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
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:
bf30f7032a6e2fdd6a872718de569645dda2c9e734a4f90a77e5af9a58d75812
MD5 hash:
29432c0db5445ce74b8a1042234187af
SHA1 hash:
fdc1bce5c868fbaed48ff27b3cc73b752bc66e75
Link:
https://www.unpac.me/results/f5f5c759-ed82-45b2-8ddb-1ee44bdd6479/
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
Link:
https://www.unpac.me/results/f5f5c759-ed82-45b2-8ddb-1ee44bdd6479/
SH256 hash:
0ba01b124c83ccf9b8b892d848f88617aa139836678ba325f62cc9f74985141d
MD5 hash:
d8cf896639add8b3c019dcc85627ad2b
SHA1 hash:
b5a7d10d585079387a310cb25bcd123c97571c92
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/f5f5c759-ed82-45b2-8ddb-1ee44bdd6479/
Parent samples :
02094b7e703e771b2837b93696f998aaf57f09b0d44aa4059cb3c4c691f786b4
f8c91d5c6dd452a15af5ecaf3ac6c9c076955708fc351ae4b8e2dbda928043fa
841c2906a20d94ec86b77f8521073f13981909c97a739a06f84a7bb9dc9cbe6b
c4601cad0efe4bededd885b43f5dda120088b79d33b8ea317697e4a72ce637eb
3135420881e7d4063d9883244d5803d596092d9fd6283137cc22876bee45564e
762486e96e54ff18ca1f24be9c149b563117564cb3d1836db4262d8306e55b7c
SH256 hash:
679b52a3daa3e906910df02de2d9c08a7ed3cb506117d9626cfcea0b40594cee
MD5 hash:
7bc9c06f76336433474a690cbeede4ef
SHA1 hash:
261cc6ff05213a8fcceb478ed7984d078fb6118c
Link:
https://www.unpac.me/results/f5f5c759-ed82-45b2-8ddb-1ee44bdd6479/
SH256 hash:
88b51c7ed1c474f6675eb2c7eb20e0632e22dd3dac8f3212f97ec7a9d9eb3217
MD5 hash:
ae70aa5ea9fc8c6c3c8a00278dd02817
SHA1 hash:
1042620bac580f6909e01d4df119802c9440f637
Link:
https://www.unpac.me/results/f5f5c759-ed82-45b2-8ddb-1ee44bdd6479/
SH256 hash:
841c2906a20d94ec86b77f8521073f13981909c97a739a06f84a7bb9dc9cbe6b
MD5 hash:
51a8ed9362dafa607d65a84a0a7b4b03
SHA1 hash:
b94dea7be04f47e7c18bb62bdd87759fbc87252c
Link:
https://www.unpac.me/results/f5f5c759-ed82-45b2-8ddb-1ee44bdd6479/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/841c2906a20d/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/841c2906a20d94ec86b77f8521073f13981909c97a739a06f84a7bb9dc9cbe6b

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.

Cape
Cape
https://www.capesandbox.com/analysis/400818/

Comments