MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3129346e56f60e4913340a426483c68546754c9d6ecdc7a62b62d0f42e013f9. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3129346e56f60e4913340a426483c68546754c9d6ecdc7a62b62d0f42e013f9
SHA3-384 hash: 3cf379940cbdd9aa71390158056c7fcb3464a69df376ae2d51eb11aa3e99712210f2572399af4d218af214c65fad0501
SHA1 hash: d1c12110b7b2c421aa06841e6d39c65f2ed1bf78
MD5 hash: 428cc07c6560e59785da3c45fe44551a
humanhash: jig-london-delta-sad
File name:428cc07c6560e59785da3c45fe44551a.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'099'264 bytes
First seen:2021-05-25 07:14:17 UTC
Last seen:2021-05-25 08:03:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:HWFoX7ALh5PlgZxTOamZvYvbihFRWXeZbDM2Oe:H8oX7A959WTMFYvbihjllDM2O
Threatray 5'156 similar samples on MalwareBazaar
TLSH 7F35299F1019E621CD68FD3C06D4A42BD940DFB76230AE16A8D7FF4A2639D8C355D22E
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/161740/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/791260
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 423659 Sample: 5zLdHcC6nh.exe Startdate: 25/05/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 8 other signatures 2->42 10 5zLdHcC6nh.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\5zLdHcC6nh.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 5zLdHcC6nh.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 inspirethroughsports.com 46.235.40.105, 49764, 80 A2BNL Netherlands 17->30 32 www.tequilamidnight.com 17->32 34 3 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 chkdsk.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a3129346e56f60e4913340a426483c68546754c9d6ecdc7a62b62d0f42e013f9/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-05-25 06:08:06 UTC
AV detection:
13 of 47 (27.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=umjjgrxfn5qojejticscmsb4nbkgovgj23wny6tcwywq6qxacp4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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8aabfb2b5aeee025f4a6d963c8761011efb74797e37ee89fd37ae5c23f7f2945
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9fadae8c6a192536c41677546bc32e530d38084906e8be610573538f0955c49d
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AgentTesla
+ 5'146 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210525-gwc6tfxsfa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.riavmholv.asia/pm9p/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/a3129346e56f60e4913340a426483c68546754c9d6ecdc7a62b62d0f42e013f9

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: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.

Web download

AgentTesla

Executable exe a3129346e56f60e4913340a426483c68546754c9d6ecdc7a62b62d0f42e013f9

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/161740/
  
URLhaus
https://urlhaus.abuse.ch/url/1255119/
  
Delivery method
Distributed via web download

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