MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 163246175f83c4d792101d0ab91a7ff2a8661e8ca1bd250ff5d82f04cf208b61. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 163246175f83c4d792101d0ab91a7ff2a8661e8ca1bd250ff5d82f04cf208b61
SHA3-384 hash: a6debdf22714081497c94875bae68806ee18c51f931cf4c1b25b302d58c3c4f1aaf50ff863219ac4e30f9074068d28e9
SHA1 hash: 07060207201c88887c195978db0463b30c81ea05
MD5 hash: 6d25d16b5032ba21876d1be70ca00c9c
humanhash: robert-robin-jig-alaska
File name:YQbQBf5liT.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:688'128 bytes
First seen:2021-03-29 13:35:24 UTC
Last seen:2021-03-29 14:48:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:+lgwXkVNO90CvLgEdfWX6n10kUzosxCEl3:+lgwXkVCx7MX6qkU8sAE
Threatray 4 similar samples on MalwareBazaar
TLSH C1E4918C5D9DC1E6E6354BB842C9C4EB46EB5FF30B22C879B9C68BC7E020746E516532
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
YQbQBf5liT.exe
Verdict:
Malicious activity
Analysis date:
2021-03-29 13:41:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9011f3dc-5086-4ecc-9d6f-32bd62edaa36

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/127595/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.576.15390.3002.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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5b13aa92-e113-464b-bb2f-51f6a8af9b5c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/656951
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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)
Sigma detected: Scheduled temp file as task from temp location
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 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: 377411 Sample: YQbQBf5liT.exe Startdate: 29/03/2021 Architecture: WINDOWS Score: 100 73 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->73 75 Found malware configuration 2->75 77 Multi AV Scanner detection for dropped file 2->77 79 8 other signatures 2->79 7 YQbQBf5liT.exe 7 2->7         started        11 kprUEGC.exe 2->11         started        13 kprUEGC.exe 2->13         started        process3 file4 53 C:\Users\user\AppData\...\vggchEIgnNtyF.exe, PE32 7->53 dropped 55 C:\...\vggchEIgnNtyF.exe:Zone.Identifier, ASCII 7->55 dropped 57 C:\Users\user\AppData\Local\...\tmpC76A.tmp, XML 7->57 dropped 59 C:\Users\user\AppData\...\YQbQBf5liT.exe.log, ASCII 7->59 dropped 81 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->81 83 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->83 85 Uses schtasks.exe or at.exe to add and modify task schedules 7->85 15 YQbQBf5liT.exe 2 5 7->15         started        19 powershell.exe 24 7->19         started        21 powershell.exe 26 7->21         started        23 schtasks.exe 1 7->23         started        87 Multi AV Scanner detection for dropped file 11->87 89 Machine Learning detection for dropped file 11->89 91 Adds a directory exclusion to Windows Defender 11->91 25 powershell.exe 11->25         started        27 schtasks.exe 11->27         started        29 powershell.exe 11->29         started        31 kprUEGC.exe 11->31         started        33 4 other processes 13->33 signatures5 process6 file7 61 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->61 dropped 63 C:\Windows\System32\drivers\etc\hosts, ASCII 15->63 dropped 65 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->65 dropped 67 Tries to steal Mail credentials (via file access) 15->67 69 Modifies the hosts file 15->69 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->71 35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        45 conhost.exe 29->45         started        47 conhost.exe 33->47         started        49 conhost.exe 33->49         started        51 conhost.exe 33->51         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/163246175f83c4d792101d0ab91a7ff2a8661e8ca1bd250ff5d82f04cf208b61/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-03-29 04:19:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 48 (43.75%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cyzemf27qpcnpeqqduflsgt76kugmhumug6skd7v3axqjtzarnqq._file
Verdict:
unknown
Similar samples:
02c3598e5f583ac0f0aa5d5c666095d1ab1cd02ebf8d23ad7db61f00da7b793a
AgentTesla
4585e13fe4d4307e82e693c3063bf53ea84591b843c0ae59fefc0f4086ec86db
AgentTesla
8942022e0a4d701eb39c483c716d246eb9f803afc7a87f778721df1b72a46ab2
AgentTesla
8fcade822dc1b07f474d920e50e3030f491983aad270ad6b9bb68755eb17998c
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210329-ecmaewfjhx/
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
d436034270fb2d5380e4fcecc1ee6c821a1701aed96045fa13f597da16be08fb
MD5 hash:
00cbf73d8b9f03417a3a32957ec64ed4
SHA1 hash:
b862eff1cf240a5ad5325fd258892e534484a6e8
Link:
https://www.unpac.me/results/c890a056-7e24-49be-a3b5-1f4f98d93882/
SH256 hash:
163246175f83c4d792101d0ab91a7ff2a8661e8ca1bd250ff5d82f04cf208b61
MD5 hash:
6d25d16b5032ba21876d1be70ca00c9c
SHA1 hash:
07060207201c88887c195978db0463b30c81ea05
Link:
https://www.unpac.me/results/c890a056-7e24-49be-a3b5-1f4f98d93882/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/163246175f83c4d792101d0ab91a7ff2a8661e8ca1bd250ff5d82f04cf208b61

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: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

gz 177670c17a33f87af87939f9de506e94d15389cf90baad25eebe8b0962c62b57

AgentTesla

Executable exe 163246175f83c4d792101d0ab91a7ff2a8661e8ca1bd250ff5d82f04cf208b61

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 177670c17a33f87af87939f9de506e94d15389cf90baad25eebe8b0962c62b57
Cape
Cape
https://www.capesandbox.com/analysis/127595/

Comments