MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6287280721108b9532830ae26f789f9469efc3fcc953686d52d16da66824858. 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: e6287280721108b9532830ae26f789f9469efc3fcc953686d52d16da66824858
SHA3-384 hash: 84f7dfabacc044a344dc2c4e37c4ea4051669a1f24f1b51161b24a22d3614594739531b54339d52a839c0681e92f3677
SHA1 hash: aa43d74334538f73091f0833df2295a5d9d6ee36
MD5 hash: 82c0e6b56030b3ea3299fafa7a98affe
humanhash: video-fillet-west-saturn
File name:DOC..exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:859'648 bytes
First seen:2020-12-16 15:14:13 UTC
Last seen:2020-12-16 17:10:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Qf+OWeiAGRp6pdWFaduQ5qrt1pt8yCWslmy/jT+D9VLRiw4L:XAGRoXWktY1/LRiw4
Threatray 1'972 similar samples on MalwareBazaar
TLSH F0055C2439EA5019F1B3BF754FD0F4B6876EBE622706D41E14E01F8B366AA83CD90539
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DOC..exe
Verdict:
Malicious activity
Analysis date:
2020-12-16 15:14:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1b2327a8-5c8d-4f67-8376-739f318e5f2c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Barys.11488.15589.5354.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
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.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/564385
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 331280 Sample: DOC..exe Startdate: 16/12/2020 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Found malware configuration 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 10 other signatures 2->60 7 DOC..exe 7 2->7         started        11 bqhrQ.exe 2 2->11         started        13 bqhrQ.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\...\ZCpnZvFnfuX.exe, PE32 7->32 dropped 34 C:\Users\...\ZCpnZvFnfuX.exe:Zone.Identifier, ASCII 7->34 dropped 36 C:\Users\user\AppData\Local\...\tmp13C0.tmp, XML 7->36 dropped 38 C:\Users\user\AppData\Local\...\DOC..exe.log, ASCII 7->38 dropped 62 Writes to foreign memory regions 7->62 64 Allocates memory in foreign processes 7->64 66 Injects a PE file into a foreign processes 7->66 15 RegSvcs.exe 17 4 7->15         started        20 schtasks.exe 1 7->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 dnsIp7 40 mail.ratllc.ae 162.241.253.123, 49776, 587 UNIFIEDLAYER-AS-1US United States 15->40 42 elb097307-934924932.us-east-1.elb.amazonaws.com 54.225.220.115, 443, 49775 AMAZON-AESUS United States 15->42 44 2 other IPs or domains 15->44 28 C:\Users\user\AppData\Roaming\...\bqhrQ.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->46 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->48 50 Tries to steal Mail credentials (via file access) 15->50 52 5 other signatures 15->52 26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e6287280721108b9532830ae26f789f9469efc3fcc953686d52d16da66824858/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-16 12:22:59 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4yuhfadsceelsuzigcxcn54j7fdj57b7zsktnbwvfulnuzucjbma._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2268b02851b88a3dc6aea375ec1a36b9ceca5def60ca62e2f47d22db566e1e7a
AgentTesla
4059c5c31844e43226ec7b22e9f971aec27765e3822685e3a6b4af541fa6ced3
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45729be7af7c3a3c18d7b032a1797d63655fccd33c6e494a478356b55b29ce38
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790b9501040e50e166ca0a8f6977348a39bcd1953b9aa708008cd8b6fc9a3b3e
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bac72d66599569fb9217e714c2da097b12285efe1187515dda1f89ec5b4933b3
AgentTesla
c21731c38a19247edee143dded4219f87e4a9bf43d5aa7d4f70d212162223448
AgentTesla
cfa9b6f6152a8e53a8e58f38bee66dc3d064aabb4641d449aed0074edd1ddd30
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df27e1cee5548d6c169e700946c102ffe88442f1dcbdb7bcad449194111ca5f2
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f37614ecb7916b27340fd6270d6917b8778c0b92b8edf0ff9e4aa65f3883f626
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f8b957b53da50425dfd655553ad255dd26e307971d477edd441ae2c2248ff121
AgentTesla
+ 1'962 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/201216-93nhh6l52j/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
Unpacked files
SH256 hash:
55abf08a6a6ab7c7848a2bc0410d84befe6dcfa118336e2e4f1ee456a8009efc
MD5 hash:
6ce9761c3c3ae715d40a77b982d31dc9
SHA1 hash:
42a5a02eabe7d80d79408549e7686d4e44524361
Link:
https://www.unpac.me/results/bf57b58d-70b5-470d-b370-f3267fcc88da/
SH256 hash:
e6287280721108b9532830ae26f789f9469efc3fcc953686d52d16da66824858
MD5 hash:
82c0e6b56030b3ea3299fafa7a98affe
SHA1 hash:
aa43d74334538f73091f0833df2295a5d9d6ee36
Link:
https://www.unpac.me/results/bf57b58d-70b5-470d-b370-f3267fcc88da/
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/e6287280721108b9532830ae26f789f9469efc3fcc953686d52d16da66824858

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 8ee9c0e6f238370c5d406ada4f9462f2ee21278dd4acc658ece3c214d1a57213

AgentTesla

Executable exe e6287280721108b9532830ae26f789f9469efc3fcc953686d52d16da66824858

(this sample)

  
Dropped by
MD5 d2f441c71fef7c8a23c94383a25514a8
  
Dropped by
SHA256 8ee9c0e6f238370c5d406ada4f9462f2ee21278dd4acc658ece3c214d1a57213
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments