MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0aa3d66fc2fa638bb44e1e81229753afef997fa353dc48f951f0830f5f81c03f. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0aa3d66fc2fa638bb44e1e81229753afef997fa353dc48f951f0830f5f81c03f
SHA3-384 hash: 104ae9cc0cba1ef42dfd609f851160d77596222eeff8d001ccd59588567f7a6e315fe9ddbfe9d7f67ec5fde752a3438d
SHA1 hash: 237284c7dcde6d14b044473a621b37f5b87b62a0
MD5 hash: 334986b05531e25830d1043a58875d23
humanhash: saturn-connecticut-mountain-aspen
File name:Outstanding Remittance Payment.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:40'448 bytes
First seen:2022-03-03 07:46:21 UTC
Last seen:2022-03-04 01:02:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:k41JzTAb3enzUexYAQ6ulaiJMwCKTH2S3dd0hUADka9Y:k41Jzsbb87ml7MwCKt3deVD0
Threatray 15'553 similar samples on MalwareBazaar
TLSH T1E703D5167892961DC5D47BF86DB1A19366367CE10124C08FECF9BF2AA933223DCC51AD
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/246698/
Detection(s):
SecuriteInfo.com.Trojan.Downloader.10124.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending a custom TCP request
Creating a window
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/63a4dd21-7e01-4372-988d-3f2e683899ae
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/949724
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
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)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 582205 Sample: Outstanding Remittance Paym... Startdate: 03/03/2022 Architecture: WINDOWS Score: 100 42 tring.clo.footprintdns.com 2->42 44 teams-ring.teams-9999.teams-msedge.net 2->44 46 4 other IPs or domains 2->46 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->58 60 7 other signatures 2->60 8 Outstanding Remittance Payment.exe 16 7 2->8         started        12 Emrqnyw.exe 14 3 2->12         started        15 Emrqnyw.exe 3 2->15         started        signatures3 process4 dnsIp5 48 cdn.discordapp.com 162.159.130.233, 443, 49750, 49783 CLOUDFLARENETUS United States 8->48 38 C:\Users\user\AppData\Roaming\...mrqnyw.exe, PE32 8->38 dropped 40 C:\...\Outstanding Remittance Payment.exe.log, ASCII 8->40 dropped 17 MSBuild.exe 2 8->17         started        20 cmd.exe 1 8->20         started        50 162.159.133.233, 443, 49782 CLOUDFLARENETUS United States 12->50 62 Multi AV Scanner detection for dropped file 12->62 22 cmd.exe 1 12->22         started        24 cmd.exe 15->24         started        file6 signatures7 process8 signatures9 52 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->52 26 conhost.exe 20->26         started        28 timeout.exe 1 20->28         started        30 conhost.exe 22->30         started        32 timeout.exe 1 22->32         started        34 conhost.exe 24->34         started        36 timeout.exe 1 24->36         started        process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0aa3d66fc2fa638bb44e1e81229753afef997fa353dc48f951f0830f5f81c03f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-03 00:18:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bkr5m36c7jryxncod2asff2tv7xzs75dkpoer6kr6cbq6x4bya7q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
050c58905ac7090edd81ccb466498224a199d894bd5013ca5eb02e6c618f8c52
AgentTesla
1f4ac699f0d21126158f15077870dc0f2e55f3f40d3a8e95597e97b0ff968e60
AgentTesla
6d75610ed73dcee36125f4b3e248196b805c3d0c2039d4ec16aae998eb729b49
AgentTesla
7034ae5a79e8263550a1a1214be3b16fb32399371e71ded2ba8bcf52b5b0e3c4
AgentTesla
763274b395cc1739f46d347ae81974968e37e98dfcd965c7b4dd348dafc6b3f1
AgentTesla
9f02653c0b54c6510e0a08e07bbb27d61e53dce664551b9363537e36ec4b51e6
AgentTesla
abf3b330214c8ef9e39133aadcd59e751d299a149f5962674b8281f0b8c80a03
AgentTesla
f40efd6dfe213fdabdf99ee9fbf9396104a0ca77c7b9bd82fb9687bfaef300c3
AgentTesla
ff0dba03e726f344aa02a37d47fb4bc5aa150023e6d20b56287a4308173e0acb
AgentTesla
+ 15'543 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/220303-jmjh6ahfd6/
Behaviour
Delays execution with timeout.exe
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
Checks computer location settings
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
0aa3d66fc2fa638bb44e1e81229753afef997fa353dc48f951f0830f5f81c03f
MD5 hash:
334986b05531e25830d1043a58875d23
SHA1 hash:
237284c7dcde6d14b044473a621b37f5b87b62a0
Link:
https://www.unpac.me/results/60870b2c-2672-4664-a872-dc9146983ad4/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/0aa3d66fc2fa/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/0aa3d66fc2fa638bb44e1e81229753afef997fa353dc48f951f0830f5f81c03f

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:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Create hunting rule
Author:Florian Roth
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research

File information

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

Malspam

AgentTesla

zip 11c913f67990b50d55e306e72e079d817d3e07596d799f979ea821d955aa46dd

AgentTesla

Executable exe 0aa3d66fc2fa638bb44e1e81229753afef997fa353dc48f951f0830f5f81c03f

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 11c913f67990b50d55e306e72e079d817d3e07596d799f979ea821d955aa46dd
Cape
Cape
https://www.capesandbox.com/analysis/246698/

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