MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6661acf762423f3241fa87250e9e8e82b270ed2c8ee891f5ca64e62c0140e6b8. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6661acf762423f3241fa87250e9e8e82b270ed2c8ee891f5ca64e62c0140e6b8
SHA3-384 hash: 96ce30160c18812c60880312afbe8f302d5cee3051b5d50ed5d4540c1e0caa524740a9d90faab4d45e6c6a08893e3811
SHA1 hash: 14ca1d8dbf23998b2a63be591208c147caac8e6a
MD5 hash: 320eb3a29a367a0d6935df771ce086d7
humanhash: kilo-maryland-alabama-lithium
File name:payment infirmation.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'313'792 bytes
First seen:2021-01-20 05:26:14 UTC
Last seen:2021-01-20 06:53:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:KXfykpgYUGwM5peR/WiJR+qHdSuhMY+UA8UNGBQp:KhgYUnmpbiJR+q9PhMYVAxcBQp
Threatray 2'226 similar samples on MalwareBazaar
TLSH 4155AE0121C46F14F47D2B3789AC8815CBFEBC11AB61DA2E6CD5398E5EB2BD29617307
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payment infirmation.exe
Verdict:
Malicious activity
Analysis date:
2021-01-20 05:28:31 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0988fc97-dcbf-4127-8691-d7e391df7133

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/113004/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.516.25114.18484.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/585770
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
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
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Modifies the hosts file
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: Scheduled temp file as task from temp location
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 341917 Sample: payment infirmation.exe Startdate: 20/01/2021 Architecture: WINDOWS Score: 100 61 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->61 63 Found malware configuration 2->63 65 Multi AV Scanner detection for dropped file 2->65 67 12 other signatures 2->67 7 payment infirmation.exe 7 2->7         started        10 bqhrQ.exe 2 2->10         started        12 bqhrQ.exe 1 2->12         started        process3 file4 31 C:\Users\user\AppData\...\DHTWeFmhTcIfK.exe, PE32 7->31 dropped 33 C:\...\DHTWeFmhTcIfK.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmpF08A.tmp, XML 7->35 dropped 37 C:\Users\user\...\payment infirmation.exe.log, ASCII 7->37 dropped 14 RegSvcs.exe 17 4 7->14         started        19 RegSvcs.exe 7->19         started        21 schtasks.exe 1 7->21         started        23 RegSvcs.exe 7->23         started        25 conhost.exe 10->25         started        27 conhost.exe 12->27         started        process5 dnsIp6 43 mail.jkudyog.com 206.183.111.188, 49741, 587 WEBWERKS-AS-INWebWerksIndiaPvtLtdIN United States 14->43 45 elb097307-934924932.us-east-1.elb.amazonaws.com 54.221.253.252, 443, 49740 AMAZON-AESUS United States 14->45 47 2 other IPs or domains 14->47 39 C:\Users\user\AppData\Roaming\...\bqhrQ.exe, PE32 14->39 dropped 41 C:\Windows\System32\drivers\etc\hosts, ASCII 14->41 dropped 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->49 51 Tries to steal Mail credentials (via file access) 14->51 53 Tries to harvest and steal ftp login credentials 14->53 59 3 other signatures 14->59 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->57 29 conhost.exe 21->29         started        file7 signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6661acf762423f3241fa87250e9e8e82b270ed2c8ee891f5ca64e62c0140e6b8/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-01-19 05:26:52 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mzq2z53cii7teqp2q4sq5huoqkzhb3jmr3ujd5okmttcyaka424a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
134447d4a42fa0c68719a166022b19728ab3b771a025fcb40b9e01eb0472bd8b
AgentTesla
14ee2894b546ba6d7835ee4dd8e07ef72fb10bfaebec8f1687da4559267cb72e
AgentTesla
4990b0164b660d9e8966fb35fc3d5f4f30b42c7e3861a14fc9255075b129c86e
AgentTesla
5c7b804890877a7a9da085d878b0fc1a444aa1b75965e16beab74c978fab6079
AgentTesla
750292519a4b694e981556bdaec9c5b568ac54f1b9cb52fc1f740cd45b2748ec
AgentTesla
9bf3bb9e44490d5836c31036a78c59c92a51d8f6bfb33363d8c617d27967ff3f
AgentTesla
c5f444d3e3808d7323e4beabeeb3fd254fc9b458157aea384873fd1dbc059e82
AgentTesla
e243f4e848dcd9895b983893416c98f2f0a39163bc8a2d5d53bf04f63e0a7c2c
AgentTesla
e56fe870da3015a5537b82acf5b9228953cafa74235b5c9257eaf049a6045cc6
AgentTesla
e7063cc17e4ab85b0ae947f6366f4a955758d2e3ef81bb2476f77aec1f77daae
AgentTesla
+ 2'216 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210120-yfq2qr1t5a/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Looks up external IP address via web service
Adds Run key to start application
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
2aaf217b0003bbb62430b8865e618852138130c7486fd3d7162f8ef36762d29d
MD5 hash:
7e5c8937280dcf9abfd85447fa16d8b1
SHA1 hash:
fe4c42af6d23af743c1ae26248d982dba92bba30
Link:
https://www.unpac.me/results/edf5d9e1-b7f9-43d3-87e8-040e4332ede2/
SH256 hash:
6133bc39787d141fec104a74a0e4e5ddbfb8c03ccd2e40c316af24c1266a01c8
MD5 hash:
283f32e4caa736d4b5f441a7e792d8d9
SHA1 hash:
c9de1b78b825c5d445fd2f8d171ca7e0ae0baca5
Link:
https://www.unpac.me/results/edf5d9e1-b7f9-43d3-87e8-040e4332ede2/
SH256 hash:
52d35fabfc97d3e903b5d9eb253e8f84d1dfee2967fa9dde6d6ca37cc61951c5
MD5 hash:
b5a7f2596efe4c5fc5f5d2c733d49259
SHA1 hash:
c121578124375dc293e4daf12fac22442a8131b6
Link:
https://www.unpac.me/results/edf5d9e1-b7f9-43d3-87e8-040e4332ede2/
SH256 hash:
6661acf762423f3241fa87250e9e8e82b270ed2c8ee891f5ca64e62c0140e6b8
MD5 hash:
320eb3a29a367a0d6935df771ce086d7
SHA1 hash:
14ca1d8dbf23998b2a63be591208c147caac8e6a
Link:
https://www.unpac.me/results/edf5d9e1-b7f9-43d3-87e8-040e4332ede2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6661acf762423f3241fa87250e9e8e82b270ed2c8ee891f5ca64e62c0140e6b8

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

7z 979dfcec3434575b157a8843f6297f6589822ece8ef08deab98734e86625d6b5

AgentTesla

Executable exe 6661acf762423f3241fa87250e9e8e82b270ed2c8ee891f5ca64e62c0140e6b8

(this sample)

  
Dropped by
MD5 1d9bee67e83a583cf6fb895621fc0bc5
  
Dropped by
SHA256 979dfcec3434575b157a8843f6297f6589822ece8ef08deab98734e86625d6b5
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/113004/

Comments