MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d810a5633f97357ffcd91c96c88c0d90ab30ed1e93f67fdca4eada907042e435. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d810a5633f97357ffcd91c96c88c0d90ab30ed1e93f67fdca4eada907042e435
SHA3-384 hash: bee7e44f383cb913d792140fbd9474d5141a83ea42b5b7f8dec077792bccb1d7fb5ea31f8bf7e09e2b4a9e57bc6a0b38
SHA1 hash: 5a8da289be9b57098a3b022369e2f61c531a9a83
MD5 hash: 956160d12e5c79f56e1fcb3fa11ec972
humanhash: vermont-lamp-pennsylvania-uniform
File name:956160d12e5c79f56e1fcb3fa11ec972.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:438'272 bytes
First seen:2020-11-11 16:10:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:b3yMln4RbHaS4VsdDLQRDMM/qzuYQNMHD++YsAC2aNw22TYTNKylpj:b3ya4NHFDLQRl/lNCosm22T6NK+
TLSH A994082BB744D7D4E4A03DFB02AAAE1527C6F1CB1670974D630E852950B33C16E8FB5A
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.qatarpharmas.org:587

AgentTesla SMTP exfil email address:
flo@qatarpharmas.org

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a process from a recently created file
Sending a UDP request
Creating a window
Running batch commands
Creating a process with a hidden window
Creating a file in the Program Files subdirectories
Launching cmd.exe command interpreter
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/531586
Signature
.NET source code contains very large array initializations
Contains functionality to register a low level keyboard hook
Creates an undocumented autostart registry key
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 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)
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 steal Mail credentials (via file access)
Uses cmd line tools excessively to alter registry or file data
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 314894 Sample: YGzXPiex42.exe Startdate: 12/11/2020 Architecture: WINDOWS Score: 100 58 Multi AV Scanner detection for dropped file 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 Yara detected AgentTesla 2->62 64 6 other signatures 2->64 9 YGzXPiex42.exe 4 2->9         started        process3 file4 48 C:\Users\user\AppData\...\YGzXPiex42.exe.log, ASCII 9->48 dropped 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->72 13 cmd.exe 1 9->13         started        15 cmd.exe 2 9->15         started        signatures5 process6 file7 18 windows.exe.exe 3 13->18         started        21 conhost.exe 13->21         started        50 C:\Program Files (x86)\windows.exe.exe, PE32 15->50 dropped 23 conhost.exe 15->23         started        process8 signatures9 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->66 68 Injects a PE file into a foreign processes 18->68 25 windows.exe.exe 15 2 18->25         started        29 cmd.exe 1 18->29         started        31 cmd.exe 1 18->31         started        33 cmd.exe 1 18->33         started        process10 dnsIp11 52 elb097307-934924932.us-east-1.elb.amazonaws.com 54.243.164.148, 443, 49750 AMAZON-AESUS United States 25->52 54 nagano-19599.herokussl.com 25->54 56 api.ipify.org 25->56 74 Tries to steal Mail credentials (via file access) 25->74 76 Tries to harvest and steal browser information (history, passwords, etc) 25->76 78 Installs a global keyboard hook 25->78 80 Uses cmd line tools excessively to alter registry or file data 29->80 35 reg.exe 1 1 29->35         started        38 conhost.exe 29->38         started        40 conhost.exe 31->40         started        42 reg.exe 1 31->42         started        44 conhost.exe 33->44         started        46 reg.exe 1 33->46         started        signatures12 process13 signatures14 70 Creates an undocumented autostart registry key 35->70
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d810a5633f97357ffcd91c96c88c0d90ab30ed1e93f67fdca4eada907042e435/
Threat name:
Win32.Trojan.Bluteal
Create hunting rule
Status:
Malicious
First seen:
2020-11-10 08:35:40 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3aikkyz7s42x77gzdslmrdanscvtb3i6sp3h7xfe5lnja4cc4q2q._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/201111-st8havwtzn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
d810a5633f97357ffcd91c96c88c0d90ab30ed1e93f67fdca4eada907042e435
MD5 hash:
956160d12e5c79f56e1fcb3fa11ec972
SHA1 hash:
5a8da289be9b57098a3b022369e2f61c531a9a83
Link:
https://www.unpac.me/results/18081773-f640-432b-9ab2-89ce8455a227/
SH256 hash:
4f690f3cf792f24a571f09740cf25d0979bde8c11180a26864056643c30479cd
MD5 hash:
304cc4a1948539064cfec5b70bd83e21
SHA1 hash:
32b3754f52323fd71b8349f01c9dd4bc4fecd880
Link:
https://www.unpac.me/results/18081773-f640-432b-9ab2-89ce8455a227/
SH256 hash:
f9c341679423a3ac010b7da292ab6d1ef0ae7e995cd085ada95e1384ba3af38c
MD5 hash:
b1c72a8e99542c64507470535686ddd9
SHA1 hash:
fe3bec4b6e2b7091db68705feb59090c24c8b6ed
Link:
https://www.unpac.me/results/18081773-f640-432b-9ab2-89ce8455a227/
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/d810a5633f97357ffcd91c96c88c0d90ab30ed1e93f67fdca4eada907042e435

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 d810a5633f97357ffcd91c96c88c0d90ab30ed1e93f67fdca4eada907042e435

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/803875/
  
Delivery method
Distributed via web download

Comments