MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9bca070ab37ea78134d5e9a5203521570bddd110e8ea8a620b702c71ecd89d54. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9bca070ab37ea78134d5e9a5203521570bddd110e8ea8a620b702c71ecd89d54
SHA3-384 hash: f3e541ff2cbd2e3ed2948b2cbd015f1246509c05a70d0e15a34e5114707e4e4ab25b8ac104e17fe075012b7049d6d364
SHA1 hash: b475b0079d963fc7198cbc12f4f3447ce95da352
MD5 hash: 03ebac4b300318683abedd76cdb7bde6
humanhash: quiet-solar-yellow-tennessee
File name:RFQ-41845597.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:567'296 bytes
First seen:2021-10-21 04:36:36 UTC
Last seen:2021-10-21 06:11:20 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:BzpH6Ibw8eGm9/5srz16kfmTG+gkodqJFTP:BVdbw8eGm9hsn1cG+zEq
TLSH T123C4CF72210A9E8AEF7A7FF8584027902FF47C375B6ED25EAD8A709611F7910CE70941
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/198945/
Detection(s):
SecuriteInfo.com.Artemis03EBAC4B3003.16437.5892.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6170ee70a9d585e6d530fc57/reports/c6776c23-f384-463b-b2f8-c15b15bd2774/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a359be60-d73d-4ded-92b2-ffaf03515b0f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/874308
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
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)
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: 506736 Sample: RFQ-41845597.exe Startdate: 21/10/2021 Architecture: WINDOWS Score: 100 27 Found malware configuration 2->27 29 Multi AV Scanner detection for dropped file 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 8 other signatures 2->33 7 RFQ-41845597.exe 8 2->7         started        process3 file4 19 C:\Users\user\AppData\...\qLfHHhQPSUpA.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmp188B.tmp, XML 7->21 dropped 23 C:\Users\user\...\RFQ-41845597.exe.log, ASCII 7->23 dropped 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->35 37 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->37 39 Uses schtasks.exe or at.exe to add and modify task schedules 7->39 41 2 other signatures 7->41 11 RFQ-41845597.exe 4 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 mail.ananthahotels.com 69.49.227.173, 49823, 587 UNIFIEDLAYER-AS-1US United States 11->25 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9bca070ab37ea78134d5e9a5203521570bddd110e8ea8a620b702c71ecd89d54/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-10-21 03:53:21 UTC
AV detection:
12 of 44 (27.27%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tpfaocvtp2tycngv5gssanjbk4f53uiq5dviuyqloawhd3gytvka._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211021-e8th2ahgg8/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
d54b1930f3d900969470c5ebda2813b406ff0f19c43145ba4640986259450140
MD5 hash:
d34955b3d3110f556ae889a8eaff2c77
SHA1 hash:
9dab4f21e94da8410663c3c3ae74785be039bbae
Link:
https://www.unpac.me/results/b2c98667-6657-47a5-87bd-f9a3cc6e720a/
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/b2c98667-6657-47a5-87bd-f9a3cc6e720a/
SH256 hash:
70d1e6f8aa36d1e03769ab962a4bd55ea8d4bcf122186e1a441f2d264676e792
MD5 hash:
f8254356ad83ed07e8332627d03b7902
SHA1 hash:
54256c6e9ae18b933de3953a94212c261a625008
Link:
https://www.unpac.me/results/b2c98667-6657-47a5-87bd-f9a3cc6e720a/
SH256 hash:
9bca070ab37ea78134d5e9a5203521570bddd110e8ea8a620b702c71ecd89d54
MD5 hash:
03ebac4b300318683abedd76cdb7bde6
SHA1 hash:
b475b0079d963fc7198cbc12f4f3447ce95da352
Link:
https://www.unpac.me/results/b2c98667-6657-47a5-87bd-f9a3cc6e720a/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/9bca070ab37e/report/overview.html
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/9bca070ab37ea78134d5e9a5203521570bddd110e8ea8a620b702c71ecd89d54

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
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 9bca070ab37ea78134d5e9a5203521570bddd110e8ea8a620b702c71ecd89d54

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/198945/

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