MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b86cb703d96588a972e3a44c2800e48c1a6140329a035b5d3aa91c8f741109f8. 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: b86cb703d96588a972e3a44c2800e48c1a6140329a035b5d3aa91c8f741109f8
SHA3-384 hash: c8fc2b223dab4fa74ee8b970620ffee446c19572c40f4cc6c2892a1c9f59624a582ee9532b29f5c7f2267aae45432363
SHA1 hash: 096f1fec7dbabdfe24034efd8c4fdddcb622a0f9
MD5 hash: d16e4407be2bc049aecf9da85d5a691b
humanhash: yellow-echo-music-mountain
File name:d16e4407be2bc049aecf9da85d5a691b.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:478'720 bytes
First seen:2021-12-23 15:09:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:VSC7szGj1EMNuzWTcxcYGwZYgj5+AlZhi+O:cpajJNuKMGxIlG+
Threatray 13'567 similar samples on MalwareBazaar
TLSH T10BA4CF4629D9E3B6F87BEBB00CA475C047B5B9D8E650ECFEFE49348F80A2A444B50571
File icon (PE):PE icon
dhash icon 92aeae8eb682b2b2 (3 x AgentTesla, 2 x OskiStealer, 1 x QuasarRAT)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d16e4407be2bc049aecf9da85d5a691b.exe
Verdict:
Malicious activity
Analysis date:
2021-12-23 15:20:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/611d1db0-f30d-413f-b3c2-85bf5dcd7ebb

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/215989/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61c4914eec6c6c14a9ecc050/reports/a18a9fe1-d28d-4acf-a537-18fefd28c421/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/ca61f1b9-0e8a-490e-b7a5-9a12a1a4f403
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/912079
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
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)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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: Suspicius Add Task From User AppData Temp
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 544555 Sample: DrnGcp7BDD.exe Startdate: 23/12/2021 Architecture: WINDOWS Score: 100 43 apcweb.com.ar 2->43 45 smtp.yandex.ru 2->45 47 smtp.yandex.com 2->47 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 59 Antivirus detection for dropped file 2->59 61 11 other signatures 2->61 8 DrnGcp7BDD.exe 6 2->8         started        12 LKkBk.exe 5 2->12         started        14 LKkBk.exe 2 2->14         started        signatures3 process4 file5 35 C:\Users\user\AppData\RoamingXwnQgW.exe, PE32 8->35 dropped 37 C:\Users\user\AppData\Local\...\tmpF8F0.tmp, XML 8->37 dropped 39 C:\Users\user\AppData\...\DrnGcp7BDD.exe.log, ASCII 8->39 dropped 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->65 67 Uses schtasks.exe or at.exe to add and modify task schedules 8->67 16 DrnGcp7BDD.exe 17 6 8->16         started        21 schtasks.exe 1 8->21         started        69 Antivirus detection for dropped file 12->69 71 Multi AV Scanner detection for dropped file 12->71 73 Machine Learning detection for dropped file 12->73 23 schtasks.exe 1 12->23         started        25 LKkBk.exe 14 2 12->25         started        signatures6 process7 dnsIp8 41 apcweb.com.ar 192.185.112.177, 49780, 49808, 80 UNIFIEDLAYER-AS-1US United States 16->41 31 C:\Users\user\AppData\Roaming\...\LKkBk.exe, PE32 16->31 dropped 33 C:\Users\user\...\LKkBk.exe:Zone.Identifier, ASCII 16->33 dropped 49 Tries to harvest and steal ftp login credentials 16->49 51 Tries to harvest and steal browser information (history, passwords, etc) 16->51 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->53 27 conhost.exe 21->27         started        29 conhost.exe 23->29         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b86cb703d96588a972e3a44c2800e48c1a6140329a035b5d3aa91c8f741109f8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-23 14:51:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 27 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbwloa6zmweks4xdurgcqaherqngcqbstibvwxj2veoi65arbh4a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0089e478e8e180a5534ae180de90dc96866fda20ccdfc9823003c1a6828d5f1c
AgentTesla
0ce9dd105728a0d9dff59c549aabe49d4b9eeaa92f81f84ba82119b00962eb05
AgentTesla
1eff91fe8182dc079c8b1284a4004f5ae7d18c3283ec435936c6951e14daf690
AgentTesla
4a4da69215b399bdf428b5ca73d7f26e91042dd43011ff6e8c712ecf0b7c6154
AgentTesla
7d29ff32379efd3a3ee28d4204ebf7515025b86a4bdd7bd59a577ef1f6c9a2ba
AgentTesla
7f155012f631c2f0b71792a5d07acb3338add512b77d852fa8affb14484b100a
AgentTesla
96dc80764ccc8c8fc12ebdbd055bd05e88c1ee4d4e7d6d95b32ea2b59c8f4bc9
AgentTesla
a48f48cd068fdd3c10e0a315b02196ff15b6559be1fb0edae9462d3bad59b67c
AgentTesla
af4df5124db2d9652f4e6981c92b120ca29558d79e393f29f4f6f2d427633ea8
AgentTesla
+ 13'557 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/211223-sj2p1aahcm/
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
Unpacked files
SH256 hash:
d1096043bc6c5f4c3ece9c89a97e478ba91fc7e2fdfd3367f704fd2f45d1c98e
MD5 hash:
d5c11f5c2ab65aecc6adaa320596f814
SHA1 hash:
b4dd14d98b92c5362d1357f83dd031f616231385
Link:
https://www.unpac.me/results/6f13d872-3962-452f-824d-f052ca853ce6/
SH256 hash:
f73781b6dd865d8c93e68c8cd756edd35ce8ed3cf36a302c1ee3cde3812d645f
MD5 hash:
da2ba007e5562937b24ae2c3f92d85c1
SHA1 hash:
4dceb677ed5e5c8c2b66923dad2832d3ee08bca3
Link:
https://www.unpac.me/results/6f13d872-3962-452f-824d-f052ca853ce6/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/6f13d872-3962-452f-824d-f052ca853ce6/
SH256 hash:
b86cb703d96588a972e3a44c2800e48c1a6140329a035b5d3aa91c8f741109f8
MD5 hash:
d16e4407be2bc049aecf9da85d5a691b
SHA1 hash:
096f1fec7dbabdfe24034efd8c4fdddcb622a0f9
Link:
https://www.unpac.me/results/6f13d872-3962-452f-824d-f052ca853ce6/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b86cb703d965/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/b86cb703d96588a972e3a44c2800e48c1a6140329a035b5d3aa91c8f741109f8

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.

Web download

AgentTesla

Executable exe b86cb703d96588a972e3a44c2800e48c1a6140329a035b5d3aa91c8f741109f8

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/215989/
  
URLhaus
https://urlhaus.abuse.ch/url/1910882/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1910912/

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