MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04a8171d7e8d3d1a3a070eee41d6f5df5f7bf4946ea03c7679a4da113d6372f8. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 04a8171d7e8d3d1a3a070eee41d6f5df5f7bf4946ea03c7679a4da113d6372f8
SHA3-384 hash: a7ff12e5a5a376feda61df5d03040adb566fd70fb81f8da036ff1d5ba4a7e72bf983ac7c80cbfdfb87a04824b7ef11f8
SHA1 hash: ba12a3f0a728f47f7a3004aceadad18b49ee1567
MD5 hash: 79e053a3a2a149c358e9eb4e440ad344
humanhash: king-hydrogen-saturn-seven
File name:79e053a3a2a149c358e9eb4e440ad344.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:652'800 bytes
First seen:2021-07-23 15:40:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:wwRf1KwfDKwR2VgwAA2j7MgIYZu/JNbI08:fGmTru/JNU0
Threatray 7'295 similar samples on MalwareBazaar
TLSH T1CED4D324226A0957F2259277F022EFB0EEF03E426900CD1A46D6FB873D526C2DD9DD5E
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
79e053a3a2a149c358e9eb4e440ad344.exe
Verdict:
Malicious activity
Analysis date:
2021-07-23 16:01:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a92a0a32-2792-49f1-8a09-c8decf76d1b0

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/173696/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.7424.UNOFFICIAL
Create hunting rule

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.
Malware family:
Vendetta
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/005d2cad-1038-4400-913e-8c7ed12096e4
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/820902
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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
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)
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: 453310 Sample: aUekK0DYW4.exe Startdate: 23/07/2021 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 8 other signatures 2->41 7 aUekK0DYW4.exe 6 2->7         started        11 MLdAu.exe 2 2->11         started        13 MLdAu.exe 2 2->13         started        process3 file4 23 C:\Users\user\AppData\...\HgOdGmHEQhDII.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpA0B2.tmp, XML 7->25 dropped 27 C:\Users\user\AppData\...\aUekK0DYW4.exe.log, ASCII 7->27 dropped 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->45 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 Injects a PE file into a foreign processes 7->49 15 aUekK0DYW4.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        51 Multi AV Scanner detection for dropped file 11->51 53 Machine Learning detection for dropped file 11->53 signatures5 process6 file7 29 C:\Users\user\AppData\Roaming\...\MLdAu.exe, PE32 15->29 dropped 31 C:\Users\user\...\MLdAu.exe:Zone.Identifier, ASCII 15->31 dropped 33 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->33 21 conhost.exe 19->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/04a8171d7e8d3d1a3a070eee41d6f5df5f7bf4946ea03c7679a4da113d6372f8/
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Create hunting rule
Status:
Malicious
First seen:
2021-07-23 15:41:09 UTC
AV detection:
10 of 46 (21.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=asubohl6ru6ruoqhb3xedvxv35pxx5eun2qdy5tzutnbcpldol4a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
350b31699cc2a188797aa30da41b3a5c4050b091335c7be16f237f7f66ec9e7e
AgentTesla
4ca6a1195608a6206f231d731094ee7a6b063d6acd5350709fb6a3c74e0dd627
AgentTesla
6da426505124521e6a239d113a011f7c04d6dd6160eb03f324e6a0483f7695c2
AgentTesla
a6e9b29c704be52956d000ed59a713ef42e190182debdb7019c064bec40cee59
AgentTesla
acd7329f6a182c9bfa1b899cf41933c93a6d0403abc3c99741b79c6bd81d6816
AgentTesla
e45f8186d5e8e6429af257e0d1b5a6de36cf68b4b5e8336600ca9c1736f3d8d0
AgentTesla
+ 7'285 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/210723-pdhg2sjfp6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
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:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
Link:
https://www.unpac.me/results/a9c6ddf8-78e4-4da9-ab53-96f24ed1e829/
SH256 hash:
3c9f552765104183e47e238fdae5ff82210b46af1f9b511ee8aa9e41f19b4077
MD5 hash:
7aed072fc2b30310efc248a2bafc7dda
SHA1 hash:
9e956bce77fc925854d6800b6fb4647dfb813e26
Link:
https://www.unpac.me/results/a9c6ddf8-78e4-4da9-ab53-96f24ed1e829/
SH256 hash:
dd6ba4e39ad7f45a08999f056b94a90c385303ffdcae5fef1e4c1adbff00b6f6
MD5 hash:
c0b1400960e078ec8c12c62e01f72edb
SHA1 hash:
5a4515054e16429a15f98637443f991298a3a352
Link:
https://www.unpac.me/results/a9c6ddf8-78e4-4da9-ab53-96f24ed1e829/
SH256 hash:
04a8171d7e8d3d1a3a070eee41d6f5df5f7bf4946ea03c7679a4da113d6372f8
MD5 hash:
79e053a3a2a149c358e9eb4e440ad344
SHA1 hash:
ba12a3f0a728f47f7a3004aceadad18b49ee1567
Link:
https://www.unpac.me/results/a9c6ddf8-78e4-4da9-ab53-96f24ed1e829/
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/04a8171d7e8d3d1a3a070eee41d6f5df5f7bf4946ea03c7679a4da113d6372f8

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 04a8171d7e8d3d1a3a070eee41d6f5df5f7bf4946ea03c7679a4da113d6372f8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1430278/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/173696/

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