MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21e7d2b0b0cdc0e064fe870f57b85575bb6bb079ffe72640bf0493c2bbc6544c. 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: 21e7d2b0b0cdc0e064fe870f57b85575bb6bb079ffe72640bf0493c2bbc6544c
SHA3-384 hash: 95cd289f671d018cb8f9102cc33f7699a0ff63a80b31749a8fc5540b9fa8e5db8439fa4ea945ebab6c016d202625bba8
SHA1 hash: 4ac6e27671e84622666c0daed1cc6dc83179dc55
MD5 hash: c55222c8ddea8c521dfd5fe66102ea82
humanhash: wolfram-texas-island-mobile
File name:BL. AWSMUNDAR3606-21.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:690'688 bytes
First seen:2021-12-01 04:17:32 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:XBGdgcnGFKGSmrGIBmn+0Ajk21SpaPQqYdJNg7jXXTih/qX7w9cBlTKgKETGfL6d:KOtwRgr4pCBJyHW8hmV0imSEIRLBJ
Threatray 13'143 similar samples on MalwareBazaar
TLSH T133E4F13536685C1BC9B498F88186B3C047F1422F698AEBC77DD231DE12D6F91A7035AB
File icon (PE):PE icon
dhash icon c668f8cce0d0f0f0 (7 x AgentTesla, 4 x Loki, 3 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BL. AWSMUNDAR3606-21.exe
Verdict:
Malicious activity
Analysis date:
2021-12-01 04:21:07 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/07b7f776-2845-4714-9964-9c8b7112b10d

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/210155/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61a6f77db3ca88e2e773ebb2/reports/0fee7adc-b77a-4e61-a9bd-5c564c31f166/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/53d4e393-5f51-4b20-9f24-3b8a85296d43
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/899147
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
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: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 / registry 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: 531625 Sample: BL. AWSMUNDAR3606-21.exe Startdate: 01/12/2021 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 12 other signatures 2->41 7 BL. AWSMUNDAR3606-21.exe 7 2->7         started        process3 file4 27 C:\Users\user\AppData\Roaming\SOPaSWSD.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmpE086.tmp, XML 7->29 dropped 31 C:\Users\...\BL. AWSMUNDAR3606-21.exe.log, ASCII 7->31 dropped 43 Adds a directory exclusion to Windows Defender 7->43 45 Injects a PE file into a foreign processes 7->45 11 BL. AWSMUNDAR3606-21.exe 2 7->11         started        15 powershell.exe 24 7->15         started        17 powershell.exe 25 7->17         started        19 schtasks.exe 1 7->19         started        signatures5 process6 dnsIp7 33 mail.packsealsind.com 162.241.148.56, 49830, 587 UNIFIEDLAYER-AS-1US United States 11->33 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file / registry access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21e7d2b0b0cdc0e064fe870f57b85575bb6bb079ffe72640bf0493c2bbc6544c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-01 04:18:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eht5fmfqzxaoazh6q4hvpocvow5wxmdz77tsmqf7asj4fo6gkrga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0c6d57557120decedc9a102794ea95bcaf64529eb1f18058e4df62c34b724988
AgentTesla
5489bee07301a4d59ea4210dd7c5efd6030feb57a6ede6a9d670d21340c6746c
AgentTesla
5bad96dda4ae65a4b81d53e3ddd51eaa0181e07c5dea64b1d1bfb561b900dc53
AgentTesla
6faebec8aa383683e58352a37735ddad2d4137e757080a0d4f781f411e0ed6b3
AgentTesla
8079c489c34ad2b7412bd0fcaf69d31639827d60f35d7f8c0df6c58b293e91d1
AgentTesla
88273e3c8b21831b5e66320d0abadc521ab5e435b3ee82f2d537bcee048b6572
AgentTesla
df5f68505b5c34a2d0283effd3a88a2ce2b1e9d95fe0fd77aa20ff52f1c089c6
AgentTesla
e064cd70ae6467ad9c0342b4750cae4fb688c56b0d904ea4091aa074e174dcf0
AgentTesla
ead0f6ef88c149f4318129ed6e3ef5fb30bd2ab03afef3625ca08d1b2f6f180e
AgentTesla
+ 13'133 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211201-ewy8rahhfr/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
Unpacked files
SH256 hash:
b1171c0b6e400356f32c55c92ba34ce2c02469d0e4e12d116be87dbb234a2e4c
MD5 hash:
c48b3b87a9c63b3df10462c74b8e95c1
SHA1 hash:
568c1b8ec2dad126affccde78a5da58054f5bedb
Link:
https://www.unpac.me/results/ef14b8ec-cc77-4c93-8131-c1dc0fba7e28/
SH256 hash:
632e71cb1fb24f38eefb448e98f0ba8ec616fcffcabff3b2820b8f2c8dc2c085
MD5 hash:
72da11027dbf0bef112c09e745c9189e
SHA1 hash:
2e7ade1e152e4beca38ec7dbf4cda511a2d867f7
Link:
https://www.unpac.me/results/ef14b8ec-cc77-4c93-8131-c1dc0fba7e28/
SH256 hash:
21e7d2b0b0cdc0e064fe870f57b85575bb6bb079ffe72640bf0493c2bbc6544c
MD5 hash:
c55222c8ddea8c521dfd5fe66102ea82
SHA1 hash:
4ac6e27671e84622666c0daed1cc6dc83179dc55
Link:
https://www.unpac.me/results/ef14b8ec-cc77-4c93-8131-c1dc0fba7e28/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/21e7d2b0b0cd/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/21e7d2b0b0cdc0e064fe870f57b85575bb6bb079ffe72640bf0493c2bbc6544c

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: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.

Malspam

AgentTesla

Executable exe 21e7d2b0b0cdc0e064fe870f57b85575bb6bb079ffe72640bf0493c2bbc6544c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/210155/

Comments