MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c57febab3c5810a755769a190c85eb5eb5b99a31e4b463f0db13ece0ea104a1. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c57febab3c5810a755769a190c85eb5eb5b99a31e4b463f0db13ece0ea104a1
SHA3-384 hash: bd4dcfcad1b62af01d282a910e056bad7399dbde8e1c5615c8b3f9cfd41e2cb6d7c92d39f1d0976e406aff5a3fe6b936
SHA1 hash: 3e1d83e037cbfa998ee5cb1eadcfe19c77f91fb6
MD5 hash: e11bd1d7a386286d5daef0cf661ecf5e
humanhash: ohio-happy-oranges-fish
File name:SecuriteInfo.com.Win32.PWSX-gen.28931.13697
Download: download sample
Signature AgentTesla
Create hunting rule
File size:748'032 bytes
First seen:2023-08-11 12:34:23 UTC
Last seen:Never
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:eT2HLXfGXHfHViSA62D8iFbZ3pnTQKper3diTZn0gFPlqTj:ZLXf4cgfiFZ3pvL10gKTj
Threatray 1'011 similar samples on MalwareBazaar
TLSH T15DF4CF60ED79CA82E54F4B79108FC70D82728C563622C63A5ABB51C6D4933C216DE7EF
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
265
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.28931.13697
Verdict:
Malicious activity
Analysis date:
2023-08-11 12:36:39 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/7d592efe-ba7f-43a6-ba30-732d33b83d07

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/442129/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.PWSX-gen.28931.13697.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
explorer lolbin packed
Link:
https://www.filescan.io/uploads/64d62af76409f246e140c5a6/reports/00655c98-6aa5-43ef-9a93-5a6d846852b1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4c57febab3c5810a755769a190c85eb5eb5b99a31e4b463f0db13ece0ea104a1
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/a332cfe8-59cc-449f-b10e-73170955976e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1290002
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1290002 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 11/08/2023 Architecture: WINDOWS Score: 100 36 sgbumperscar.com 2->36 38 mail.sgbumperscar.com 2->38 40 2 other IPs or domains 2->40 46 Found malware configuration 2->46 48 Sigma detected: Scheduled temp file as task from temp location 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 5 other signatures 2->52 8 SecuriteInfo.com.Win32.PWSX-gen.28931.13697.exe 7 2->8         started        12 uEbBIvWb.exe 5 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Roaming\uEbBIvWb.exe, PE32 8->32 dropped 34 C:\Users\user\AppData\Local\...\tmpCC54.tmp, XML 8->34 dropped 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->54 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Adds a directory exclusion to Windows Defender 8->58 14 SecuriteInfo.com.Win32.PWSX-gen.28931.13697.exe 15 2 8->14         started        18 powershell.exe 22 8->18         started        20 schtasks.exe 1 8->20         started        60 Multi AV Scanner detection for dropped file 12->60 62 Injects a PE file into a foreign processes 12->62 22 uEbBIvWb.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 42 api4.ipify.org 64.185.227.156, 443, 49755, 49757 WEBNXUS United States 14->42 44 sgbumperscar.com 119.17.253.214, 49756, 49758, 587 NETNAM-AS-APNetnamCompanyVN Viet Nam 14->44 64 Installs a global keyboard hook 14->64 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->66 68 Tries to steal Mail credentials (via file / registry access) 22->68 70 Tries to harvest and steal browser information (history, passwords, etc) 22->70 30 conhost.exe 24->30         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c57febab3c5810a755769a190c85eb5eb5b99a31e4b463f0db13ece0ea104a1/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-08-11 10:52:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 38 (55.26%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jrl75ovtywaqu5kxngqzbsc6wxvvxgnddzfumpynwe7m4dvbasqq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1e5d0ecba17e0de6cf37f9a37e31c9c9a5883df357b0499592598d3921804b3a
AgentTesla
352f49bdcc9d31b5707d6d2bd026edc78f9925ea4da142465aa2bb1152b82e6c
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51f07741241cafeb5f72535e1b04f3b5e258a2587b5d2f1d8d67a180ec02ceee
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5762d46e91e94d731bb4f1047a3d080b27be1b34d05236e8c8f24b24238545fd
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6a6fae0edf96bedeedb582c143934610d1c0b23f45191095b1731cf85e23b17d
AgentTesla
7cf16fa9b84052ebac0f1752fd4cb2a9ffc8ffafc757f785376f2bde6fb554a5
AgentTesla
9da5b7337f022a122afdd84c2744861da80dd7575f24c9a6abf9b00b2a0d2870
AgentTesla
9de15a5c7e9cdefb9a48de4039027de8687838849d9588434564a343d15a9355
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e3699bdedcf4bebffc1e2e2af639da53dc9abd0e7bcb4e917def61a01a880b69
AgentTesla
e900e880ce3272ce750db05a3428dad9c354116d22cd125c374708cfd9aa0fa2
AgentTesla
+ 1'001 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230811-psby6acg86/
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
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
Link:
https://www.unpac.me/results/cfe4d837-5b98-4ee7-ac95-e98c7b9c8c25/
SH256 hash:
8973ec20883b3d45af6c843de26bd764bb3ca9346ffe2def89942b1a973f16f0
MD5 hash:
67cda3ec4bee9bf8bb35ea857ac9a5d1
SHA1 hash:
6ca5037103de3a0d69b07610cdb9a4f7ed70c643
Link:
https://www.unpac.me/results/cfe4d837-5b98-4ee7-ac95-e98c7b9c8c25/
SH256 hash:
dae0bdf28f137dd2270ff9bc0bd97848f3a4e7cb1fdc9eea84a269f85cdfbe9e
MD5 hash:
be80dee81e7e9fc8910f33aea2d95fb4
SHA1 hash:
4cef5afa87de074c51e15d62048c7cf7292e3199
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/cfe4d837-5b98-4ee7-ac95-e98c7b9c8c25/
Parent samples :
ec138aa171cc6aa7f403e0dbc2d9a79cbfe698a0f52010abb9d28c2b079e650a
4c57febab3c5810a755769a190c85eb5eb5b99a31e4b463f0db13ece0ea104a1
4234d3fe399a85446594bfeb82112f05f559c4fba64f628f989960221d98d613
e4f1164364a86e7ae9293f9df8d976c8037e6701c7fb7103182186c2f5cd4968
0ba8b0616ca5557b8757e20eb42437aa439606de5ca3598c6a9bb7e48fddc915
23abc888951142813a7bb5bf072979238c51ad5cae059ef89303322371f8497f
3c37f0bd658fddf5052676b7609c1e2331ed84d48a30d7b522652e535f72f7d8
SH256 hash:
bd12455f01873f07f47e5b5cbb5e0e5e3a4833a2fe209dde8c6a896ff1095c56
MD5 hash:
31692cd0d3e88ea95826352195507ec0
SHA1 hash:
06139fbfae309896f5672190f9ec0f2a04f6c342
Link:
https://www.unpac.me/results/cfe4d837-5b98-4ee7-ac95-e98c7b9c8c25/
SH256 hash:
4c57febab3c5810a755769a190c85eb5eb5b99a31e4b463f0db13ece0ea104a1
MD5 hash:
e11bd1d7a386286d5daef0cf661ecf5e
SHA1 hash:
3e1d83e037cbfa998ee5cb1eadcfe19c77f91fb6
Link:
https://www.unpac.me/results/cfe4d837-5b98-4ee7-ac95-e98c7b9c8c25/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4c57febab3c5/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/4c57febab3c5810a755769a190c85eb5eb5b99a31e4b463f0db13ece0ea104a1

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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.

Cape
Cape
https://www.capesandbox.com/analysis/442129/

Comments