MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 786749694eb21c739e94571c4203d9cc13c74ef1f4575126ba18fd71a46fa827. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 786749694eb21c739e94571c4203d9cc13c74ef1f4575126ba18fd71a46fa827
SHA3-384 hash: 9f8bdcfff7788f4bd0c0772e03a7e1995c704e954bdfb942e0ea6ed880a2138347d650d99c5d421c02b44d07c37efcaf
SHA1 hash: 812ba085f469754739c94e68d4694ba0d8ef75b2
MD5 hash: 8955d306b1bfa93c71de48ec55fe32d8
humanhash: paris-beryllium-salami-jig
File name:8955d306b1bfa93c71de48ec55fe32d8.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:722'432 bytes
First seen:2022-06-13 07:11:39 UTC
Last seen:2022-06-13 07:59:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:w2kdHhRb3qHaDScL7WCTXJfWARrtHby6Oob4DdpbS:zihl6HWS3CTZuARrt7bL8Hb
Threatray 5'178 similar samples on MalwareBazaar
TLSH T1E6E4E03036FA6254D96B1BB10C7192C5137A3A7ABF04C66C6859175CAC73B138F22BB7
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 10c0e0bc90909000 (12 x AgentTesla, 12 x Formbook, 7 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
http://198.23.207.51/tbag/
Verdict:
Malicious activity
Analysis date:
2022-06-13 18:01:10 UTC
Tags:
opendir loader formbook agenttesla trojan stealer lokibot exploit CVE-2017-11882 rat avemaria warzone
Link:
https://app.any.run/tasks/9c32758f-d942-4cbd-ab0e-30ec7d76bed0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
WarzoneRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/279241/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.36914.9470.5594.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed wacatac
Link:
https://www.filescan.io/uploads/62a6e34ba454cbb2f2f8c326/reports/93e21811-a548-4158-b9cf-44cc35b41fc2/overview
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:
Malicious
Link:
https://analyze.intezer.com/analyses/48b7f8cc-976f-43bf-bad2-f32f02691ec3
Result
Threat name:
AgentTesla, AveMaria
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1011808
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Contains functionality to hide user accounts
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
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
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 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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected AveMaria stealer
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 644303 Sample: yDB3Els45u.exe Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic 2->64 66 Multi AV Scanner detection for domain / URL 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 11 other signatures 2->70 9 yDB3Els45u.exe 3 2->9         started        13 Mhkii.exe 2->13         started        15 Mhkii.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\...\yDB3Els45u.exe.log, ASCII 9->52 dropped 82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->82 84 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->84 86 Injects a PE file into a foreign processes 9->86 17 yDB3Els45u.exe 15 4 9->17         started        88 Multi AV Scanner detection for dropped file 13->88 90 Machine Learning detection for dropped file 13->90 22 powershell.exe 13->22         started        24 powershell.exe 15->24         started        signatures5 process6 dnsIp7 56 smtp.yandex.ru 77.88.21.158, 49775, 49945, 587 YANDEXRU Russian Federation 17->56 58 srv5-bsb.gns.com.br 189.73.193.5, 49764, 80 BrasilTelecomSA-FilialDistritoFederalBR Brazil 17->58 60 2 other IPs or domains 17->60 50 C:\Users\user\AppData\Local\Temp\donexx.exe, PE32 17->50 dropped 72 Tries to steal Mail credentials (via file / registry access) 17->72 74 Tries to harvest and steal browser information (history, passwords, etc) 17->74 76 Installs a global keyboard hook 17->76 26 donexx.exe 1 4 17->26         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        file8 signatures9 process10 file11 54 C:\Users\user\AppData\Roaming\...\Mhkii.exe, PE32 26->54 dropped 92 Multi AV Scanner detection for dropped file 26->92 94 Machine Learning detection for dropped file 26->94 96 Writes to foreign memory regions 26->96 98 Injects a PE file into a foreign processes 26->98 34 MSBuild.exe 3 2 26->34         started        38 cmd.exe 1 26->38         started        40 powershell.exe 15 26->40         started        42 MSBuild.exe 26->42         started        signatures12 process13 dnsIp14 62 45.162.228.171, 26112 QNAXLTDABR Brazil 34->62 78 Increases the number of concurrent connection per server for Internet Explorer 34->78 80 Hides that the sample has been downloaded from the Internet (zone.identifier) 34->80 44 conhost.exe 38->44         started        46 timeout.exe 1 38->46         started        48 conhost.exe 40->48         started        signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/786749694eb21c739e94571c4203d9cc13c74ef1f4575126ba18fd71a46fa827/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-06-06 17:51:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
17 of 26 (65.38%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pbtus2kowiohhhuuk4oeea6zzqj4otxr6rlvcjv2dd6xdjdpvatq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
avemaria
Create hunting rule
masslogger
Create hunting rule
Similar samples:
323dc15959c4fb49f274d9024959d3cf256eb07ac2fcc0457f3cfe87277f5fad
AgentTesla
a33967b25289fff0c0978686fa27ae823e3ac86684d52afb1a1ad1b732045249
AgentTesla
a524b17edc79f1cacd57f9a07becfd24df6d0ef893d11620cb3c300c86c327ed
AgentTesla
b71ac80addac74e89b71f6893d989d7233d8174b8836138a3292cc1409ae8e58
AgentTesla
d046a74bd0d56c05cffb8d204b3785869465e5583460e95e494c400ec177da41
AgentTesla
ef1ac3f12332198e1ef6f01698658258289a63e08ff17b1ddba89e229b8f19b7
AgentTesla
fb9d0187ef58360b6877dc38f0509030b2e7d57d060deae2bb6e3233dda8f47d
AgentTesla
+ 5'168 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:warzonerat collection infostealer keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220613-h1hncaedfl/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Checks computer location settings
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
AgentTesla
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
45.162.228.171:26112
Unpacked files
SH256 hash:
8e88aaa9014d04b1ef25dbcda8ddd06017be33b89c185a0ef60e84ce07d4aa82
MD5 hash:
dbcd32a3fceab5491cf57ec1d665f4d2
SHA1 hash:
5805fb72ee86ee4420fd14790b29ee0651d35def
Link:
https://www.unpac.me/results/aae1ea90-3252-412b-a7f3-1e17c2021d55/
SH256 hash:
869022bb4dc33d86a22fb650866e4fba7196e37b5e9472bb3d4a4ef42aaec716
MD5 hash:
fe32251eaf5f81ff48392a0dd7e20eb8
SHA1 hash:
69b507e3693b5e78edf1ce46c4f062c1c6751c08
Link:
https://www.unpac.me/results/aae1ea90-3252-412b-a7f3-1e17c2021d55/
SH256 hash:
d1baf3349a2c061e7b57456fcb9945e9c7c4a625781562bffdb246409003e301
MD5 hash:
079ff66f2ed9e06515c13af431110923
SHA1 hash:
a030630f531f58d0660b3f0922d2591c1614ea26
Link:
https://www.unpac.me/results/aae1ea90-3252-412b-a7f3-1e17c2021d55/
SH256 hash:
b436c8c9f382e73d3a4d47c6eac7d80f1cbd1cff2a9da3e1e5b85aaaaae78f5e
MD5 hash:
b74f27aab142e53bd68b9d4557145baa
SHA1 hash:
ea6e39dfada55dcd1ff51a4f8752f4afaed48877
Link:
https://www.unpac.me/results/aae1ea90-3252-412b-a7f3-1e17c2021d55/
SH256 hash:
786749694eb21c739e94571c4203d9cc13c74ef1f4575126ba18fd71a46fa827
MD5 hash:
8955d306b1bfa93c71de48ec55fe32d8
SHA1 hash:
812ba085f469754739c94e68d4694ba0d8ef75b2
Link:
https://www.unpac.me/results/aae1ea90-3252-412b-a7f3-1e17c2021d55/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/786749694eb2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
Link:
https://yomi.yoroi.company/submissions/786749694eb21c739e94571c4203d9cc13c74ef1f4575126ba18fd71a46fa827

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: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.

Web download

AgentTesla

Executable exe 786749694eb21c739e94571c4203d9cc13c74ef1f4575126ba18fd71a46fa827

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2236000/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/279241/

Comments