MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 728beffcc4c6b9cab51ed5b4a459cc6f996ba0eb1a1e8c29f567de5701abcd91. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 728beffcc4c6b9cab51ed5b4a459cc6f996ba0eb1a1e8c29f567de5701abcd91
SHA3-384 hash: 3730b86d06cf6b61ea2cb4d702eaa1abc73b8dc01a64315ab2a0cfa5a40dea0194c6cd1edda4b14167715d85895885f4
SHA1 hash: 7e6aafb6773b394dde5142b92b6ab795b21dc2cf
MD5 hash: 1d66aaa1250b2b26ce545e9bab003b6d
humanhash: nine-mountain-blue-victor
File name:SecuriteInfo.com.Trojan.Win32.Save.a.15415.30367
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'502'656 bytes
First seen:2021-05-03 11:06:20 UTC
Last seen:2021-05-03 12:02:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'453 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 768:qjcgzHbz8DS2Ehqh8TJGgwaA2+OF+I+942LGMy/GLlnkg6QbxrnSOZ7SW0pRLzzT:1gd
Threatray 4'398 similar samples on MalwareBazaar
TLSH E0C5753CC6FB121CFA77FEA0E39072360106E55E9BBFB5C40A37591A5A86210E84776D
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dchampx.exe
Verdict:
Malicious activity
Analysis date:
2021-05-03 09:57:01 UTC
Tags:
trojan rat agenttesla
Link:
https://app.any.run/tasks/863165f7-3b62-46a7-bec7-d1ed89d6b118

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/148424/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.15415.30367.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file
Creating a window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Sending a UDP request
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/707673
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Contains functionality to hide a thread from the debugger
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
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 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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 402759 Sample: SecuriteInfo.com.Trojan.Win... Startdate: 03/05/2021 Architecture: WINDOWS Score: 100 47 webmail.myremediez.com 2->47 49 myremediez.com 2->49 51 clientconfig.passport.net 2->51 61 Found malware configuration 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 Yara detected AgentTesla 2->65 67 3 other signatures 2->67 8 SecuriteInfo.com.Trojan.Win32.Save.a.15415.exe 3 2->8         started        11 pqUqFeF.exe 3 2->11         started        13 pqUqFeF.exe 1 2->13         started        15 WerFault.exe 2->15         started        signatures3 process4 signatures5 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->69 71 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->71 73 Hides threads from debuggers 8->73 17 SecuriteInfo.com.Trojan.Win32.Save.a.15415.exe 2 5 8->17         started        21 cmd.exe 1 8->21         started        75 Multi AV Scanner detection for dropped file 11->75 77 Machine Learning detection for dropped file 11->77 79 Injects a PE file into a foreign processes 11->79 81 Contains functionality to hide a thread from the debugger 11->81 23 cmd.exe 11->23         started        25 pqUqFeF.exe 11->25         started        27 pqUqFeF.exe 11->27         started        29 WerFault.exe 11->29         started        31 cmd.exe 13->31         started        33 SecuriteInfo.com.Trojan.Win32.Save.a.15415.exe 15->33 injected process6 file7 43 C:\Users\user\AppData\Roaming\...\pqUqFeF.exe, PE32 17->43 dropped 45 C:\Users\user\...\pqUqFeF.exe:Zone.Identifier, ASCII 17->45 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->53 55 Tries to steal Mail credentials (via file access) 17->55 57 Tries to harvest and steal ftp login credentials 17->57 59 2 other signatures 17->59 35 conhost.exe 21->35         started        37 timeout.exe 1 21->37         started        39 conhost.exe 23->39         started        41 timeout.exe 23->41         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/728beffcc4c6b9cab51ed5b4a459cc6f996ba0eb1a1e8c29f567de5701abcd91/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-03 09:40:02 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=okf677gey244vni62w2kiwomn6mwxihldipiykpvm7pfoanlzwiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0e97aacfbcb3e2506ab9d9705d7443121f2c159608b60a6bb56b24951df3cc27
AgentTesla
507dd7e9ab7c21513c515ff90f21a0b79b2b7b5a907c9fef6a6589308b84b169
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769ac374cd86dc2766ef985d8a462247c4b1aaef61e3d935fa8c021adb923d52
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7a60f0565a5e3f4310090a6519ff72571a32d30bd4f89b641ce3aaccaab30b45
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9af09f28e2254b8b942f1a81403815fdbbad3e38b5c509aed0cef2ccac413ef6
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be35f7a63f502853d1d202c0a58774460422759f71789cbf5240265aa603fef3
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d2900e5f43d302add8c33e39ac9949ea94e3b927a3d56611b60b8e81f4768fbd
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dda11497d1348934476e5806d133a7b2bc25696cef6f1ab82ed808766e7aedca
AgentTesla
df61b9c866c5ceb278e173814ddf975b70b5b2e9fcbc5b482326e4163c2e1086
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fc3b3ec5757f584d1fe42cbba44a0cc2f70e11f02811a074b05003230e8cb657
AgentTesla
+ 4'388 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/210503-8vypgbrfgj/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
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:
5a248cdbf9977084a5fe1b7561685b40eaaf7a54cafe3c71554d1dd5bc3bfd6f
MD5 hash:
08c8af7e7546b751729667bb5d835e2d
SHA1 hash:
51ac6317938a709c0225035a9ed69648553fdf8c
Link:
https://www.unpac.me/results/e2b89aa6-a3de-4130-ac6e-ab78a53f71a7/
SH256 hash:
2d6d639e58768e3c7330524c9d1e9b6a8a88ae6956a5e2a2730463df665ea734
MD5 hash:
884948e730242f5bea4955da362545e2
SHA1 hash:
89d87b151ebb2f586bfb5c15426755c237c0fb70
Link:
https://www.unpac.me/results/e2b89aa6-a3de-4130-ac6e-ab78a53f71a7/
SH256 hash:
728beffcc4c6b9cab51ed5b4a459cc6f996ba0eb1a1e8c29f567de5701abcd91
MD5 hash:
1d66aaa1250b2b26ce545e9bab003b6d
SHA1 hash:
7e6aafb6773b394dde5142b92b6ab795b21dc2cf
Link:
https://www.unpac.me/results/e2b89aa6-a3de-4130-ac6e-ab78a53f71a7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/728beffcc4c6b9cab51ed5b4a459cc6f996ba0eb1a1e8c29f567de5701abcd91

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 728beffcc4c6b9cab51ed5b4a459cc6f996ba0eb1a1e8c29f567de5701abcd91

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1187805/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/148424/

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