MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa8d4070795a05587fc8ad7dcbe4762a7f48e1bda165dbe12ccbe72412784757. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa8d4070795a05587fc8ad7dcbe4762a7f48e1bda165dbe12ccbe72412784757
SHA3-384 hash: f551327d146e28740b5192c81146f0e843d8673c9d635fff89433740ff9e5d8efe33c756b3c114a3e632f22c1ab42838
SHA1 hash: f42a25424c0bc227a6d4e26f477e6eaa5ed3250d
MD5 hash: f2975de2245613c69f1ec66b467abafe
humanhash: jersey-berlin-muppet-hot
File name:swift_bank kopyası.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:635'904 bytes
First seen:2023-05-15 10:23:11 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:bNj5Ayg3SOVTfpCmzKRWDx6dzv8DOkDjrXci86w4hVcASzQ9UxkrcxP:b3e33lMWujaMiZGAqxA
Threatray 1'191 similar samples on MalwareBazaar
TLSH T12ED4F174A1AF4AE1E10B8AB01A7CBDB51E7671D3EDDA09780B3D5144CFA7B003E9894D
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
261
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
swift_bank kopyası.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-05-15 10:25:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d47245cb-a36d-4df2-bab4-896184e4260f

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/390030/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.29703.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo jigsaw packed
Link:
https://www.filescan.io/uploads/646208461662f7c573a93921/reports/b8886529-ce38-4659-9ac0-237a2856641e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/aa8d4070795a05587fc8ad7dcbe4762a7f48e1bda165dbe12ccbe72412784757
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/fc9795a0-30dc-4cfc-8db8-fb79d9d0f2d4
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1233617
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 866603 Sample: swift_bank_kopyas#U0131.pdf.exe Startdate: 15/05/2023 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 8 other signatures 2->53 7 swift_bank_kopyas#U0131.pdf.exe 7 2->7         started        11 vjjXNpmzYtQvc.exe 4 2->11         started        process3 file4 33 C:\Users\user\AppData\...\vjjXNpmzYtQvc.exe, PE32 7->33 dropped 35 C:\...\vjjXNpmzYtQvc.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp30A2.tmp, XML 7->37 dropped 39 C:\...\swift_bank_kopyas#U0131.pdf.exe.log, ASCII 7->39 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 May check the online IP address of the machine 7->57 59 Uses schtasks.exe or at.exe to add and modify task schedules 7->59 61 Adds a directory exclusion to Windows Defender 7->61 13 swift_bank_kopyas#U0131.pdf.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        21 conhost.exe 7->21         started        63 Multi AV Scanner detection for dropped file 11->63 65 Machine Learning detection for dropped file 11->65 67 Injects a PE file into a foreign processes 11->67 23 vjjXNpmzYtQvc.exe 11->23         started        25 schtasks.exe 1 11->25         started        signatures5 process6 dnsIp7 41 api4.ipify.org 64.185.227.155, 443, 49700, 49701 WEBNXUS United States 13->41 43 api.ipify.org 13->43 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        45 api.ipify.org 23->45 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 73 Installs a global keyboard hook 23->73 31 conhost.exe 25->31         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aa8d4070795a05587fc8ad7dcbe4762a7f48e1bda165dbe12ccbe72412784757/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2023-05-09 08:33:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vkgua4dzlicvq76ivv64xzdwfj7uryn5ufs5xyjmzptsietyi5lq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
021cfdac35b7f0cb8f6ba460a33994d0128883ad281812b380978bc5127abbbc
AgentTesla
17fc4205571ea12188b9ed8b5659339e305ebc54bace4e3ba62c72c6b61cdfcf
AgentTesla
4634594a43ca9d6f4630aecf8a17a04a1b2e942cafa3080a4064e2ec7741bd5f
AgentTesla
a4b5f7aed3df1aaffcac4423faf222b78da209a22d2f6bd74cdf46d2b1498670
AgentTesla
a782d89a06f36333a3e7370c6b535d5dfb518edfed64e660d989de3b53b207fa
AgentTesla
aba99ac623b8f43f53873ee48dbf2f18f7206ae2041821e660b79505a3743ead
AgentTesla
c3d484451f9d0cf5aa68dfeceed67b5853cd2780512129668e9fdd98bc5490de
AgentTesla
fa06c367eea3dc7496e8b8c3baf34ed7775518d1b779d041f41b0a4b92d4a922
AgentTesla
+ 1'181 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230515-mfdwwafg66/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Unpacked files
SH256 hash:
3ab1dcc37e7c5c643bf41e9f0f81f816f24974fbddde95e2af52426e3374dd35
MD5 hash:
8a2c496875c0871aecc16aae768b323f
SHA1 hash:
f5423a32125c70b512de301c5616c7b75477e2e7
Link:
https://www.unpac.me/results/c99ce606-8213-42a5-b61e-995354972c90/
SH256 hash:
ebb42bbca5bd97754024846ca5888f1eaf6901796d334f0dc588ad5e8c930f11
MD5 hash:
e1009deb81f39bbbfd337c6e4e12fd91
SHA1 hash:
dd37c3ea31b6884af0cfc747bd9ca747e5ac533c
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/c99ce606-8213-42a5-b61e-995354972c90/
Parent samples :
a4b5f7aed3df1aaffcac4423faf222b78da209a22d2f6bd74cdf46d2b1498670
ba40edfef4bbd18ad6a596c678369f2a8ef335ced6ed96699124f164accf5243
17fc4205571ea12188b9ed8b5659339e305ebc54bace4e3ba62c72c6b61cdfcf
aa8d4070795a05587fc8ad7dcbe4762a7f48e1bda165dbe12ccbe72412784757
SH256 hash:
afcce598b9a39d2a024ea52852ccf9a162e08951e8813f8e42cdf426982dfeed
MD5 hash:
47bbddb0e9ff8ca30892c6ec0100eb7d
SHA1 hash:
c85f75f78b39fa85d343bdde91326739d8ed08bd
Link:
https://www.unpac.me/results/c99ce606-8213-42a5-b61e-995354972c90/
SH256 hash:
7c43897e5719a1924e9ecc6cd1afef422b3b5704cea5f5e3e26c6f86324440f2
MD5 hash:
b307a01882da63628c0fb17b20b5ab15
SHA1 hash:
998ac4548aff64221eb063425b4962d50cc5a0af
Link:
https://www.unpac.me/results/c99ce606-8213-42a5-b61e-995354972c90/
SH256 hash:
d8fc5dfdf2800247eb610beb076fec4d2becf6d951e89445d43237fe97814218
MD5 hash:
e5d93dadd08b8bc727e4f4853c6881ba
SHA1 hash:
27e0e057d33f01586193b0cbf06561c2863951f4
Link:
https://www.unpac.me/results/c99ce606-8213-42a5-b61e-995354972c90/
SH256 hash:
aa8d4070795a05587fc8ad7dcbe4762a7f48e1bda165dbe12ccbe72412784757
MD5 hash:
f2975de2245613c69f1ec66b467abafe
SHA1 hash:
f42a25424c0bc227a6d4e26f477e6eaa5ed3250d
Link:
https://www.unpac.me/results/c99ce606-8213-42a5-b61e-995354972c90/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aa8d4070795a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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.

Malspam

AgentTesla

Executable exe aa8d4070795a05587fc8ad7dcbe4762a7f48e1bda165dbe12ccbe72412784757

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/390030/

Comments