MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c973881d3539e89059c7713b4e24e330f88abee7da38f256034bc25bb4b9e674. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c973881d3539e89059c7713b4e24e330f88abee7da38f256034bc25bb4b9e674
SHA3-384 hash: 87e56169d0709d0e5b8b441290157cd95829c1138bf2ad95605a8ed2abc95d974cfac965b9e404a60ce33ab6833d0f2d
SHA1 hash: 7017780f7650317b341cf4484783bb534b0d113b
MD5 hash: ff1c23657f869593e946b38c5c1dad86
humanhash: hawaii-july-july-foxtrot
File name:ff1c23657f869593e946b38c5c1dad86.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:816'128 bytes
First seen:2021-04-15 17:06:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Ep0SCTG8hY80U2iKJs24BWYd3gDsemk8kQsJYFasOhFhPbRL0lumlUMJ:WtJz4BWY5ggeAwbfhFhDp70
Threatray 8 similar samples on MalwareBazaar
TLSH DD05E02227E9CB15F5BF7F786972112007F1B886EB35E34C2ED140DE0AA5F518A66723
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 :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ff1c23657f869593e946b38c5c1dad86.exe
Verdict:
Malicious activity
Analysis date:
2021-04-15 17:13:42 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b3c095cf-d660-407c-ae78-2be311de18fd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/135339/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.646-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/679129
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Contains functionality to register a low level keyboard hook
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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 AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 388518 Sample: CgD7LXXC5A.exe Startdate: 16/04/2021 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 Sigma detected: Scheduled temp file as task from temp location 2->37 39 8 other signatures 2->39 7 CgD7LXXC5A.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\hXJXQrvmKdhAJO.exe, PE32 7->19 dropped 21 C:\...\hXJXQrvmKdhAJO.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp734C.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\CgD7LXXC5A.exe.log, ASCII 7->25 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Contains functionality to register a low level keyboard hook 7->45 47 2 other signatures 7->47 11 CgD7LXXC5A.exe 6 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.yandex.ru 77.88.21.158, 49727, 49729, 587 YANDEXRU Russian Federation 11->27 29 192.168.2.1 unknown unknown 11->29 31 smtp.yandex.com 11->31 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 2 other signatures 11->55 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c973881d3539e89059c7713b4e24e330f88abee7da38f256034bc25bb4b9e674/
Threat name:
ByteCode-MSIL.Trojan.Phonzy
Create hunting rule
Status:
Malicious
First seen:
2021-04-14 10:33:14 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zfzyqhjvhhujawohoe5u4jhdgd4ivpxh3i4pevqdjpbfxnfz4z2a._file
Verdict:
unknown
Similar samples:
ab8bc6074f7d4b54a02ea0e907037dd4148ece25b5a591493686ce4415a1a4d4
AgentTesla
adda179263e7be02da87bf6d32fba4600f1e1d760d94232f4b346cac638cde53
AgentTesla
b5d8a24e97905a0333243481930777008b654c43dd04bbf995d75334183c8070
AgentTesla
ce99378f7bcd95a0441b3572fe948daeb420ec960719761b249b817e5c0cec37
AgentTesla
d896c589d591a9822f98b7caa8620029cfb1d1cd5dc78dd9b0c3152465b6810b
AgentTesla
df8b54fa7b373fd7d1801b2db62ee29e8e4dbd9ebc605faff527ff0f82b80033
AgentTesla
e70d1958db5ff44e5bbeb627b3baefcc79a153df4eb262cb9aef56c7ed555d75
AgentTesla
ecf1c53f6563a344d92ba3e52029e0f4cab276bc40cb914eb38b58351d2f2a8d
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210415-mv2ngcjjs6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
5e0f3da625a479a5e7e807b5f09c889d95474139410b312ba3a39bcb05976729
MD5 hash:
3d20c2ea9ac04e1707f853bb1780bc18
SHA1 hash:
805e90b023eb92d44bbe11daefce6edbe872cb74
Link:
https://www.unpac.me/results/e2933d97-fd33-4d4b-b8cb-14a6361db692/
SH256 hash:
c973881d3539e89059c7713b4e24e330f88abee7da38f256034bc25bb4b9e674
MD5 hash:
ff1c23657f869593e946b38c5c1dad86
SHA1 hash:
7017780f7650317b341cf4484783bb534b0d113b
Link:
https://www.unpac.me/results/e2933d97-fd33-4d4b-b8cb-14a6361db692/
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/c973881d3539e89059c7713b4e24e330f88abee7da38f256034bc25bb4b9e674

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.

Web download

AgentTesla

Executable exe c973881d3539e89059c7713b4e24e330f88abee7da38f256034bc25bb4b9e674

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1115155/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1121173/
Cape
Cape
https://www.capesandbox.com/analysis/135339/

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