MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dafdefb462ca60cd368d8ad769b33ff2684a59758f4ba43408b6eadd7f89faae. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dafdefb462ca60cd368d8ad769b33ff2684a59758f4ba43408b6eadd7f89faae
SHA3-384 hash: 035e7c2fd319dbd855216bb0936269a828d6854c408cd0d41747a49ddcd1392fa0bb4f98ede5608561900e70fdbcd1b5
SHA1 hash: c27aa466b596f7eb376081abe3a573a91bfd46e4
MD5 hash: e2e9c2ef99ad8726661d9b5107bb8541
humanhash: lima-washington-harry-comet
File name:Documents.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:739'328 bytes
First seen:2021-05-09 07:58:06 UTC
Last seen:2021-05-10 10:36:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:9qAZfYWwb0BDSJKDhfMruW3HFgnc2s2XoY+nU4DYrLZusTtmpFSJY+5W+2tMMtA3:9qSfrwASJaFMrp3HycKoY+U4ijTaSJHP
Threatray 4'630 similar samples on MalwareBazaar
TLSH ECF4122383589F67D17E677C2190050023F5E55AE322E78DFEAD209F45A6F8492B3B53
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
4
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ab.exe
Verdict:
Malicious activity
Analysis date:
2021-05-09 10:08:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a4cd0b87-4406-44be-9cb5-f73c78bf68ee

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/153468/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.624-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/720211
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 409034 Sample: Documents.exe Startdate: 09/05/2021 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->66 68 Found malware configuration 2->68 70 Multi AV Scanner detection for dropped file 2->70 72 9 other signatures 2->72 7 Documents.exe 7 2->7         started        11 pGKuRU.exe 5 2->11         started        13 pGKuRU.exe 4 2->13         started        process3 file4 46 C:\Users\user\AppData\...eFeFSzJTLLXB.exe, PE32 7->46 dropped 48 C:\...eFeFSzJTLLXB.exe:Zone.Identifier, ASCII 7->48 dropped 50 C:\Users\user\AppData\Local\...\tmp3269.tmp, XML 7->50 dropped 52 C:\Users\user\AppData\...\Documents.exe.log, ASCII 7->52 dropped 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->74 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->76 78 Uses schtasks.exe or at.exe to add and modify task schedules 7->78 15 Documents.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        22 Documents.exe 7->22         started        80 Multi AV Scanner detection for dropped file 11->80 82 Machine Learning detection for dropped file 11->82 84 Injects a PE file into a foreign processes 11->84 24 schtasks.exe 1 11->24         started        26 pGKuRU.exe 2 11->26         started        28 pGKuRU.exe 11->28         started        30 pGKuRU.exe 11->30         started        32 schtasks.exe 13->32         started        34 pGKuRU.exe 13->34         started        signatures5 process6 dnsIp7 54 alphaforge.net.my 110.4.45.194, 49691, 587 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 15->54 56 mail.alphaforge.net.my 15->56 42 C:\Users\user\AppData\Roaming\...\pGKuRU.exe, PE32 15->42 dropped 44 C:\Users\user\...\pGKuRU.exe:Zone.Identifier, ASCII 15->44 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->58 60 Tries to steal Mail credentials (via file access) 15->60 62 Tries to harvest and steal ftp login credentials 15->62 64 2 other signatures 15->64 36 conhost.exe 20->36         started        38 conhost.exe 24->38         started        40 conhost.exe 32->40         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dafdefb462ca60cd368d8ad769b33ff2684a59758f4ba43408b6eadd7f89faae/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-05-08 22:57:42 UTC
AV detection:
16 of 46 (34.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3l667ndczjqm2nunrllwtmz76jueuwlvr5f2inaiw3vn274j7kxa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0ada28cd45464f61ba9e30f5106caffac38b0e486acad5f637b511357bf59682
AgentTesla
0f613fccbf90fbfc8701e31eeab889422e04413ffc7d479cf95dbb143bd7aaf9
AgentTesla
13d0171a2ef946c23d3983b5b68a19de82d0882ab580014d519095f9fe31e8c1
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5a8b5199de9f08c65f9b34eb97b375722d4c3d04e583001b6e41114b5a495770
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7f6a9bdf9836c8f078ed5f40662c3b9a34dfad05e88b47e63df7d0925d99e3db
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8e783aa82453ce82e341fd65c7114f56db7eb5941fe1f88cf201fb24b2f14d52
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8fcf8f85c440832165b3a94aa1878a8b6db4089aa765d7a977e7b3a040c8f054
AgentTesla
c16f4626760b9573aa34cbf027cc7b4a5c59b0506db3674f7252535c00e7c0c5
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d6bbcde0f4cfe242313c3af0a3cf6f451026af2536a53a9e402578186cb2d757
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efd1f7206373e14816235b5165c67704c15350a98ce1c4f55c96c7f1534f76ec
AgentTesla
+ 4'620 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210509-vr4av2mvxs/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
Link:
https://www.unpac.me/results/9de984eb-1fc9-41fc-9670-806ca355c69f/
SH256 hash:
dafdefb462ca60cd368d8ad769b33ff2684a59758f4ba43408b6eadd7f89faae
MD5 hash:
e2e9c2ef99ad8726661d9b5107bb8541
SHA1 hash:
c27aa466b596f7eb376081abe3a573a91bfd46e4
Link:
https://www.unpac.me/results/9de984eb-1fc9-41fc-9670-806ca355c69f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/dafdefb462ca60cd368d8ad769b33ff2684a59758f4ba43408b6eadd7f89faae

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

Executable exe dafdefb462ca60cd368d8ad769b33ff2684a59758f4ba43408b6eadd7f89faae

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/153468/

Comments