MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc49d2a85d44b57a55063bf2f784f96d127a7ec7ad0b9f385ade2cf3d713e35b. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc49d2a85d44b57a55063bf2f784f96d127a7ec7ad0b9f385ade2cf3d713e35b
SHA3-384 hash: 6b06be66f7970bcf5d8c9f7ef27ee3fb95a522fa4d3c353f837fe38dc15b92a5cad67c80d6f50c3f3eff6ed9849a3feb
SHA1 hash: a8f50fa5d66842adaa2e3434b15ad8b33766b819
MD5 hash: 42672163e9b711ee174beb58c81adc30
humanhash: happy-louisiana-spaghetti-coffee
File name:42672163e9b711ee174beb58c81adc30
Download: download sample
Signature AgentTesla
Create hunting rule
File size:318'051 bytes
First seen:2023-03-02 11:37:27 UTC
Last seen:2023-03-02 14:32:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:/Ya6Yd8CpyAQAVw1V2/qN/kMrHuN4s5nXz0SHmt80pugs8vz5:/Ymd8CpfVq2MaN4s5nXASH7Q1Dz5
Threatray 312 similar samples on MalwareBazaar
TLSH T1B7641210B5E8D473E9F26A735D7C3B224DE1F6212892DB4743802D4AB4225C2ED5F7AA
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://104.168.45.119/yes.exe
Verdict:
Malicious activity
Analysis date:
2023-03-02 09:54:10 UTC
Tags:
loader
Link:
https://app.any.run/tasks/c534d146-2bae-4934-81e5-2806123d51c2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
BumbleBeeLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/371142/
Detection(s):
Sanesecurity.Malware.28885.BadCo.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64008a9ebfec0852a68e71a2/reports/97962325-014a-41a2-af83-3f75334fda95/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/bc49d2a85d44b57a55063bf2f784f96d127a7ec7ad0b9f385ade2cf3d713e35b
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/6ded7ebb-53b6-48c0-8e1b-ae6396f0a0c9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1185664
Signature
Detected unpacking (creates a PE file in dynamic memory)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
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)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 818530 Sample: NWI16Bxw8T.exe Startdate: 02/03/2023 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected Telegram RAT 2->49 51 3 other signatures 2->51 7 NWI16Bxw8T.exe 19 2->7         started        10 gbktpy.exe 2->10         started        13 gbktpy.exe 2->13         started        process3 file4 27 C:\Users\user\AppData\Local\Temp\zldixu.exe, PE32 7->27 dropped 15 zldixu.exe 1 2 7->15         started        59 Multi AV Scanner detection for dropped file 10->59 19 WerFault.exe 4 10 10->19         started        21 WerFault.exe 10 13->21         started        signatures5 process6 file7 29 C:\Users\user\AppData\Roaming\...\gbktpy.exe, PE32 15->29 dropped 37 Multi AV Scanner detection for dropped file 15->37 39 Detected unpacking (creates a PE file in dynamic memory) 15->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->41 43 4 other signatures 15->43 23 zldixu.exe 15 2 15->23         started        signatures8 process9 dnsIp10 31 api4.ipify.org 104.237.62.211, 443, 49695 WEBNXUS United States 23->31 33 api.telegram.org 149.154.167.220, 443, 49696 TELEGRAMRU United Kingdom 23->33 35 2 other IPs or domains 23->35 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->53 55 Tries to steal Mail credentials (via file / registry access) 23->55 57 Tries to harvest and steal browser information (history, passwords, etc) 23->57 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc49d2a85d44b57a55063bf2f784f96d127a7ec7ad0b9f385ade2cf3d713e35b/
Threat name:
Win32.Trojan.Strab
Create hunting rule
Status:
Malicious
First seen:
2023-03-02 11:38:09 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xre5fkc5is2xuvighpzppbhznujhu7whvufz6oc23ywphvyt4nnq._file
Verdict:
malicious
Similar samples:
25f79d0c4a4ed6b6e706b6cc4df77a0af567127215b001c331f66899cf38f363
AgentTesla
2de86403327aa376007b509984b68b8bde19279366e80aed50d39593cd495769
AgentTesla
2e5c6d2c1e1eac4e565f8d71544b7d54c7b1834555edf51254ea70c9a23a28f2
AgentTesla
41e1c93f11283edd4df4fe992a190123ca4356368c12af66b41d143cec90d8c6
AgentTesla
70dc5399b819671ed74ee3c7943f7281d56e149af3f2e82617c1771ec74f2308
AgentTesla
79eba5d15aebead1738da8b9f85916fa3ebc922d34bc2ec2db2c33c60a50db1c
AgentTesla
96063791795dc2a645f18624ed05896d1a5913c724e9b6f8caf9f59bad9ef954
AgentTesla
bed5f00ba7f0aec0391ad13dfd0bf4b0f8eedbe17aaae07afb22347aecb8435c
AgentTesla
ebb0272ecef9d8bf07a71b9ead8718760d27c4fdc334fe2de7a8b93237e61044
AgentTesla
+ 302 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230302-nrqkgscd4s/
Behaviour
Suspicious behavior: MapViewOfSection
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
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/
Unpacked files
SH256 hash:
7555af0ae67ab633214ac69599e6814291d28d9539b2e25dee50a21d892904b1
MD5 hash:
d4f12a26f8d708b7d94214efe077c1fa
SHA1 hash:
d59f75dede5b749bfc531a3d062901d3811d3e96
Link:
https://www.unpac.me/results/6748a67f-2f63-4285-b277-ee2061d997c8/
SH256 hash:
8b6897340984e35dba937364681bd98592594774504daf0a724c843c00b95341
MD5 hash:
3a566b5e883a0c0cdfe09cd5d64bce6f
SHA1 hash:
9cbdec781d7aabbe6286474833877aa6ca030951
Link:
https://www.unpac.me/results/6748a67f-2f63-4285-b277-ee2061d997c8/
Parent samples :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 hash:
5dc182406f22df80c5743539165fb3b81900f612cf72aed099dcf4a21aa6cd71
MD5 hash:
52ca16ca9369405c9a36bdeb98ff450f
SHA1 hash:
2ca2d42fd50ac83a870ca17656b959316efff335
Link:
https://www.unpac.me/results/6748a67f-2f63-4285-b277-ee2061d997c8/
SH256 hash:
bc49d2a85d44b57a55063bf2f784f96d127a7ec7ad0b9f385ade2cf3d713e35b
MD5 hash:
42672163e9b711ee174beb58c81adc30
SHA1 hash:
a8f50fa5d66842adaa2e3434b15ad8b33766b819
Link:
https://www.unpac.me/results/6748a67f-2f63-4285-b277-ee2061d997c8/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bc49d2a85d44/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/bc49d2a85d44b57a55063bf2f784f96d127a7ec7ad0b9f385ade2cf3d713e35b

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pe_imphash
Create hunting rule
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 bc49d2a85d44b57a55063bf2f784f96d127a7ec7ad0b9f385ade2cf3d713e35b

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2554991/
Cape
Cape
https://www.capesandbox.com/analysis/371142/

Comments


Avatar
zbet commented on 2023-03-02 11:37:36 UTC

url : hxxp://104.168.45.119/yes.exe