MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c804d3785acf26364471c13ee7b8714bce6329666877dff5541252ae0613af55. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c804d3785acf26364471c13ee7b8714bce6329666877dff5541252ae0613af55
SHA3-384 hash: a2d5fb47fb57430daaf4f04c9d767de8c068517262888a61b54261e1e92be6eb98913b8163f0db5f25cdffa0b40b12cd
SHA1 hash: 3e24e1c61d6a3cd237af4080ab5592a178cb5373
MD5 hash: 897c78d5b9c1bf368fbfbb4f33c9caaf
humanhash: twelve-pip-sweet-golf
File name:PO..exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:897'024 bytes
First seen:2023-11-14 10:34:32 UTC
Last seen:2023-11-14 12:50:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:HKtA9V2+7m7Xuhux7ec37unKoihobbJnnLqS:HKtA9V2qmau6yeKFobb4S
Threatray 2'862 similar samples on MalwareBazaar
TLSH T181152344B5F8BB36D0BC4BF556381A640379E16B7850D38D8CC838C73A67F960916BAB
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Racco42
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
334
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
PO..exe
Verdict:
Malicious activity
Analysis date:
2023-11-14 10:35:28 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/945cec79-1af5-4582-8ff0-f8cfe553212b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/458488/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.17633.5735.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Creating a file
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65534d5bd7cd4aca4a8c6874/reports/231c3fa0-977a-41af-b72d-f957af34bb7a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c804d3785acf26364471c13ee7b8714bce6329666877dff5541252ae0613af55
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:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fcdb42cf-0cb5-4f1e-8c4a-fb5584d730f1
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1342245
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Creates autostart registry keys with suspicious names
Delayed program exit found
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1342245 Sample: PO..exe Startdate: 14/11/2023 Architecture: WINDOWS Score: 100 76 newtyer.hopto.org 2->76 80 Multi AV Scanner detection for domain / URL 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 11 other signatures 2->86 10 PO..exe 7 2->10         started        14 kBjYYnxKEa.exe 5 2->14         started        16 remcos.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 file5 72 C:\Users\user\AppData\...\kBjYYnxKEa.exe, PE32 10->72 dropped 74 C:\Users\user\AppData\Local\...\tmp752A.tmp, XML 10->74 dropped 100 Contains functionality to bypass UAC (CMSTPLUA) 10->100 102 Contains functionalty to change the wallpaper 10->102 104 Contains functionality to steal Chrome passwords or cookies 10->104 112 6 other signatures 10->112 20 PO..exe 2 4 10->20         started        24 powershell.exe 23 10->24         started        26 schtasks.exe 1 10->26         started        106 Multi AV Scanner detection for dropped file 14->106 108 Machine Learning detection for dropped file 14->108 28 schtasks.exe 14->28         started        34 3 other processes 14->34 110 Injects a PE file into a foreign processes 16->110 36 4 other processes 16->36 30 schtasks.exe 18->30         started        32 schtasks.exe 18->32         started        38 3 other processes 18->38 signatures6 process7 file8 68 C:\ProgramData\Remcos\remcos.exe, PE32 20->68 dropped 88 Creates autostart registry keys with suspicious names 20->88 40 remcos.exe 5 20->40         started        43 conhost.exe 24->43         started        45 conhost.exe 26->45         started        47 conhost.exe 28->47         started        49 conhost.exe 30->49         started        51 conhost.exe 32->51         started        53 conhost.exe 36->53         started        signatures9 process10 signatures11 90 Multi AV Scanner detection for dropped file 40->90 92 Machine Learning detection for dropped file 40->92 94 Adds a directory exclusion to Windows Defender 40->94 96 Injects a PE file into a foreign processes 40->96 55 remcos.exe 40->55         started        60 powershell.exe 40->60         started        62 schtasks.exe 40->62         started        process12 dnsIp13 78 newtyer.hopto.org 197.210.79.224, 2405 VCG-ASNG Nigeria 55->78 70 C:\ProgramData\Remcos\logs.dat, data 55->70 dropped 98 Installs a global keyboard hook 55->98 64 conhost.exe 60->64         started        66 conhost.exe 62->66         started        file14 signatures15 process16
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c804d3785acf26364471c13ee7b8714bce6329666877dff5541252ae0613af55
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c804d3785acf26364471c13ee7b8714bce6329666877dff5541252ae0613af55/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zacng6c2z4tdmrdrye7opodrjphggklgnb3575kucjjk4bqtv5kq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
agenttesla
Create hunting rule
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81e133f9aae32be3ff7a818fe7fa37eea017740c139e825641cf50dfaaa2a0a9
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AgentTesla
+ 2'852 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:good persistence rat
Link:
https://tria.ge/reports/231114-mm6kgabe6x/
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
Checks computer location settings
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
newtyer.hopto.org:2405
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/c532ee31-9eb9-4a62-9f1f-0a1e574813bc/
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
Link:
https://www.unpac.me/results/c532ee31-9eb9-4a62-9f1f-0a1e574813bc/
SH256 hash:
b80afe3d3ee8b127f8e73c06cd85c7a0dd7168c0e383b239915d8ce61c96aae1
MD5 hash:
86a567389f8a7635d43b037cd797737f
SHA1 hash:
54678daabd9e383e2248dd3cba99eb8fb0fcf5fc
Link:
https://www.unpac.me/results/c532ee31-9eb9-4a62-9f1f-0a1e574813bc/
SH256 hash:
35721417aefa5eb1d18ed9d2d2ae2e6181776ca8ff6e33b534a083411e194a4f
MD5 hash:
31a5a525839648b5e0f69a1caa4f5b9a
SHA1 hash:
152c5c9375495a6e47952b98901cdf610e92ec56
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Link:
https://www.unpac.me/results/c532ee31-9eb9-4a62-9f1f-0a1e574813bc/
SH256 hash:
c804d3785acf26364471c13ee7b8714bce6329666877dff5541252ae0613af55
MD5 hash:
897c78d5b9c1bf368fbfbb4f33c9caaf
SHA1 hash:
3e24e1c61d6a3cd237af4080ab5592a178cb5373
Link:
https://www.unpac.me/results/c532ee31-9eb9-4a62-9f1f-0a1e574813bc/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c804d3785acf/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/c804d3785acf26364471c13ee7b8714bce6329666877dff5541252ae0613af55

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
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.

  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/458488/

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