MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 803d5b755bfb29e7fd30fe679ec21ccb1eb1ea89b19bbe1a989b4cf10d2ebca7. 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: 803d5b755bfb29e7fd30fe679ec21ccb1eb1ea89b19bbe1a989b4cf10d2ebca7
SHA3-384 hash: 62125df31a1033b06c0e8f3a5f417bca20752d439857d691ed339e74262d5ee1bac3d713ce92e16e6a6e883c5e50ab17
SHA1 hash: 746eff99037cd5f4d3dd43e165ce4de57d65cb00
MD5 hash: 6c3e529d873cab916befa4fe2f36184a
humanhash: yellow-three-fanta-massachusetts
File name:6c3e529d873cab916befa4fe2f36184a.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:446'464 bytes
First seen:2020-11-11 16:12:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:DyMln4RbHaS4VsdDLQRPP8H4vR2a1sDsOqR3f9KDtVk/P1D5K:Dya4NHFDLQRPP8H6Rls+R0J6D5K
Threatray 1'115 similar samples on MalwareBazaar
TLSH 8994F702B344C786D16237B707A5BE5E6353F1E373408F5E131E662096D3AC36E6EA88
Reporter abuse_ch
Tags:AgentTesla exe


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
57
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
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
Creating a process from a recently created file
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/531574
Signature
.NET source code contains very large array initializations
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
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 314890 Sample: xQthEbZvZB.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 xQthEbZvZB.exe 4 2->9         started        process3 file4 48 C:\Users\user\AppData\...\xQthEbZvZB.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 23.21.42.25, 443, 49761 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/803d5b755bfb29e7fd30fe679ec21ccb1eb1ea89b19bbe1a989b4cf10d2ebca7/
Threat name:
ByteCode-MSIL.Dropper.OverJoiner
Create hunting rule
Status:
Malicious
First seen:
2020-11-10 14:02:52 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qa6vw5k37mu6p7jq7ztz5qq4zmpld2ujwgn34guytngpcdjoxstq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
129c12816f1bf3b9b80fc15d4515e5df5cac9b65824f0dff50eade40c2030abb
AgentTesla
25c6ed88a34e97a0d1c4c8fa3d2c90a6b39345a56f0dbf5775bb2e4d2320415f
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596b8f738a91b94ef3993e14dde4064f7062dda49fc12926601b20637e1cbc6e
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6379dc9d3b0cb120a25eee76368258252cb55c5c67f9c880f929115adfb67838
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7776a27b260441d31741e61d848fb4d4813c75f560d9c9c00d558187d68a009a
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932a45c6f1123b2afe3c71be0e90382ca7bb2220cf96aa7d71b994eaa7e487ed
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b6cc51f1ad2845a94c3634f6d0b8214c945de7ef42e82c20a309123dd179a4f4
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c898674319f4b52046ad9c08f72ea819777681ed98db54030f43d812b9690c59
AgentTesla
c8a8b43ec47c6c9831e275e2009ab58f7794374b4876fe72dbc4151296330aec
AgentTesla
f06c40df7dde44469aa47985010736dbd83224df91951b9d55cdb7a377353a61
AgentTesla
+ 1'105 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/201111-8gksrcvgla/
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:
803d5b755bfb29e7fd30fe679ec21ccb1eb1ea89b19bbe1a989b4cf10d2ebca7
MD5 hash:
6c3e529d873cab916befa4fe2f36184a
SHA1 hash:
746eff99037cd5f4d3dd43e165ce4de57d65cb00
Link:
https://www.unpac.me/results/9426be34-6eef-4976-a962-9d350147add4/
SH256 hash:
4f690f3cf792f24a571f09740cf25d0979bde8c11180a26864056643c30479cd
MD5 hash:
304cc4a1948539064cfec5b70bd83e21
SHA1 hash:
32b3754f52323fd71b8349f01c9dd4bc4fecd880
Link:
https://www.unpac.me/results/9426be34-6eef-4976-a962-9d350147add4/
SH256 hash:
542282ed737d2cb55e3cb59d05e58e8dbf6473d63461194a9ba597f0f3eb5d75
MD5 hash:
0ab09caf48c9dcbcbd53aef80493abd2
SHA1 hash:
fd985c8ed98d443fde035be26592b92662b9c5ea
Link:
https://www.unpac.me/results/9426be34-6eef-4976-a962-9d350147add4/
Please note that we are no longer able to provide a coverage score for Virus Total.

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 803d5b755bfb29e7fd30fe679ec21ccb1eb1ea89b19bbe1a989b4cf10d2ebca7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/803873/
  
Delivery method
Distributed via web download

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