MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 257ba93dab8da864d90c650cfd8b28bd5df50817f574febd5ae102648c5abf1c. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 257ba93dab8da864d90c650cfd8b28bd5df50817f574febd5ae102648c5abf1c
SHA3-384 hash: 4fc23fc340b34d7e83c8767a08e05514c574592499c436d6be0f7d3a2fe7f220160ced963c1da8cc566d601e467eb3cc
SHA1 hash: 5ed680ca447cbe6a3a46853537c5efc527f66ff2
MD5 hash: c15fa1fd4cc388e45267b4763205a134
humanhash: cardinal-hotel-lake-oscar
File name:SecuriteInfo.com.Win32.PWSX-gen.9590.31775
Download: download sample
Signature AgentTesla
Create hunting rule
File size:802'816 bytes
First seen:2023-06-14 06:31:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:1lKnu3EXqXdVn7uRSOW0Qlb0m5SbYz3aZgXrHNHzBhaUnLo1VawAeO:iK4qXdV7uRpQlF5bOgbHNBV4VawAeO
Threatray 2'698 similar samples on MalwareBazaar
TLSH T1D305DF81723D2967EABD8BF50161227097F62E5FA65EF6E84CC2B0EB52F0F404641D27
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0030684dcccc7010 (12 x AgentTesla, 7 x Formbook, 6 x Loki)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
265
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.9590.31775
Verdict:
Malicious activity
Analysis date:
2023-06-14 06:33:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ea0102af-2888-4743-bc1d-57285f01bf5e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XorStringsNET
Create hunting rule
Link:
https://www.capesandbox.com/analysis/398617/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.9590.31775.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
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
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64895ee461966bd964f0b3da/reports/fa4caedb-cf27-4124-bb00-1b3bdbc302f1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/257ba93dab8da864d90c650cfd8b28bd5df50817f574febd5ae102648c5abf1c
Result
Verdict:
UNKNOWN
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/f343d254-06de-4cf4-a273-f897f4ab6ca9
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1254167
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 887187 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 14/06/2023 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 7 other signatures 2->55 7 SecuriteInfo.com.Win32.PWSX-gen.9590.31775.exe 7 2->7         started        11 KGqiFrVe.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\Roaming\KGqiFrVe.exe, PE32 7->33 dropped 35 C:\Users\...\KGqiFrVe.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmpD117.tmp, XML 7->37 dropped 39 SecuriteInfo.com.W....9590.31775.exe.log, ASCII 7->39 dropped 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->57 59 May check the online IP address of the machine 7->59 61 Uses schtasks.exe or at.exe to add and modify task schedules 7->61 63 Adds a directory exclusion to Windows Defender 7->63 13 SecuriteInfo.com.Win32.PWSX-gen.9590.31775.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        21 SecuriteInfo.com.Win32.PWSX-gen.9590.31775.exe 7->21         started        65 Multi AV Scanner detection for dropped file 11->65 67 Machine Learning detection for dropped file 11->67 23 KGqiFrVe.exe 14 2 11->23         started        25 schtasks.exe 1 11->25         started        signatures5 process6 dnsIp7 41 api4.ipify.org 104.237.62.211, 443, 49692 WEBNXUS United States 13->41 43 api.ipify.org 13->43 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        45 173.231.16.76, 443, 49693 WEBNXUS United States 23->45 47 api.ipify.org 23->47 69 Tries to steal Mail credentials (via file / registry access) 23->69 71 Tries to harvest and steal browser information (history, passwords, etc) 23->71 31 conhost.exe 25->31         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/257ba93dab8da864d90c650cfd8b28bd5df50817f574febd5ae102648c5abf1c/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-06-14 03:53:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ev52spnlrwugjwimmugp3czixvo7kcax6v2p5pk24ebgjdc2x4oa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1680422c807dbbb8686d36461be752fbb2ad0d75d48711de16f85eb72d977203
AgentTesla
2d1f6e9c74a38ef216403f61048d294090f9cb70f4134c2d2be419657ac3c5bd
AgentTesla
392f81419000cc840371e050cea8f8bc182353ee9dafa2efd158a75a54886e62
AgentTesla
6f75073132ca19d3880c0ac27a6d885d6f18f7c1b2650da13aeb84e5061acbb1
AgentTesla
82287d425e3528bdb713315c73ebc54c33b375eb84a0bacd27166ed9a44109c4
AgentTesla
8aead2c3d3796d348dc61029023a5679f2ef747c8ce155a767d5e47280e5ec26
AgentTesla
dcaadd522142750f60b1ed397d23418147171f28cdb838eef985d16ed5b89f37
AgentTesla
e4f3aa1d60e49f6b486a6fb5f5c5cf70299b12b6eb30556ce30c69c29d818c01
AgentTesla
f56410c3c60314f4335561c9cc20256e7f02e078d6ba55bafe2534efdd9d9a7f
AgentTesla
fe304cb0925bffe7c7314fb8c4bc50c15b82e49c81fe176c8482ea1ed6f51bc8
AgentTesla
+ 2'688 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230614-hal8vade43/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6254200827:AAE72ehike93Yl10K-g-eoD9WA3Xk9taVes/
Unpacked files
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
Link:
https://www.unpac.me/results/37627449-02f7-4e76-8584-309653ea1b6b/
SH256 hash:
1fd1f5ec0c87452333af847ae7c3914a635c0335d67ce9906dc33e6baea62c75
MD5 hash:
3901b1a5ecfcc11523b4e1c0353970cc
SHA1 hash:
c72b6e91a99ac61b8b74ba7e3829c53d18801d6f
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/37627449-02f7-4e76-8584-309653ea1b6b/
Parent samples :
f56410c3c60314f4335561c9cc20256e7f02e078d6ba55bafe2534efdd9d9a7f
82287d425e3528bdb713315c73ebc54c33b375eb84a0bacd27166ed9a44109c4
392f81419000cc840371e050cea8f8bc182353ee9dafa2efd158a75a54886e62
dcaadd522142750f60b1ed397d23418147171f28cdb838eef985d16ed5b89f37
8aead2c3d3796d348dc61029023a5679f2ef747c8ce155a767d5e47280e5ec26
257ba93dab8da864d90c650cfd8b28bd5df50817f574febd5ae102648c5abf1c
SH256 hash:
d6d27ed1939b8527bfaab77b5cda589e3cdc842639958f7b4b63aed35ac7a7ab
MD5 hash:
72b601a1609673f221ca537200e6f074
SHA1 hash:
9bd391169223d5d967cbda11e237b68204cb8511
Link:
https://www.unpac.me/results/37627449-02f7-4e76-8584-309653ea1b6b/
SH256 hash:
568c6a284892b6622475bc3c2ac6938f962f69bed3a23798ac9e38f40191c5e8
MD5 hash:
50e4076fe083aa72674da7d62154ecf2
SHA1 hash:
8104c3cdc9b9ba235b38600f3447abe780dd02c6
Link:
https://www.unpac.me/results/37627449-02f7-4e76-8584-309653ea1b6b/
SH256 hash:
c23f10f628be0edcc19ecc1155e4d35a602492d05e158af0c028e9cefa325813
MD5 hash:
7ea80f902ba6a3771da7f4bfc39be859
SHA1 hash:
3b94a381c952a10137e2bc5effb6f3dfd36eac19
Link:
https://www.unpac.me/results/37627449-02f7-4e76-8584-309653ea1b6b/
SH256 hash:
257ba93dab8da864d90c650cfd8b28bd5df50817f574febd5ae102648c5abf1c
MD5 hash:
c15fa1fd4cc388e45267b4763205a134
SHA1 hash:
5ed680ca447cbe6a3a46853537c5efc527f66ff2
Link:
https://www.unpac.me/results/37627449-02f7-4e76-8584-309653ea1b6b/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/257ba93dab8d/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/257ba93dab8da864d90c650cfd8b28bd5df50817f574febd5ae102648c5abf1c

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:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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/398617/

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