MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a18558d47715d4869b75f738052786c8b85681aea3ff093002cd6b9dfd55c1c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a18558d47715d4869b75f738052786c8b85681aea3ff093002cd6b9dfd55c1c
SHA3-384 hash: 4db4ca65646c21b7f15636294cc9c40081e702176747fa44c52a8d57044c95247fb6820d3a917846fe06b559b7098e1b
SHA1 hash: 2de0a40ec665b06a4c3d4dde5c05661b451b47f9
MD5 hash: 2b246540632f9a5216d5dbd585733f12
humanhash: oven-don-skylark-arkansas
File name:PAYMENT RETURNED.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:928'256 bytes
First seen:2022-11-30 07:30:14 UTC
Last seen:2022-11-30 14:19:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:nruhY2w3fPg4/kEBMe7w7En1gSp4T79j:rn2wgbCMe7w7EnOSCP
Threatray 22'858 similar samples on MalwareBazaar
TLSH T15D1502A8365472AFC467D27699A41C64AB21306B27079217DB2365EE7E0DFC3DB108F3
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)
File icon (PE):PE icon
dhash icon b269d4e8ccccccd8 (8 x AgentTesla, 5 x Loki, 3 x SnakeKeylogger)
Reporter cocaman
Tags:AgentTesla exe payment


Avatar
cocaman
Malicious email (T1566.001)
From: "sanmi.wong@lgt.com" (likely spoofed)
Received: "from hosted-by.rootlayer.net (unknown [45.137.22.67]) "
Date: "30 Nov 2022 07:46:31 +0100"
Subject: "RE: WRONG IBAN/PAYMENT RETURNED"
Attachment: "PAYMENT RETURNED.exe"

Intelligence

File Origin
# of uploads :
4
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PAYMENT RETURNED.exe
Verdict:
Malicious activity
Analysis date:
2022-11-30 07:32:41 UTC
Tags:
keylogger stealer agenttesla
Link:
https://app.any.run/tasks/bde5b12a-45e7-4c39-9b05-f51cdcd50775

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/339902/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.47502.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/638706b794f9bac087b3f280/reports/253bf5c5-f0ae-4e10-aa43-ca9d31ffb86c/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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3f3b4aef-dab2-401b-a26b-0c0555ace796
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1123720
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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 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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to detect sandboxes / dynamic malware analysis system (file name check)
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 harvest and steal ftp login credentials
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 756444 Sample: PAYMENT RETURNED.exe Startdate: 30/11/2022 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 12 other signatures 2->68 7 PAYMENT RETURNED.exe 7 2->7         started        11 LUcOxcKA.exe 5 2->11         started        13 MYAPP.exe 2 2->13         started        15 MYAPP.exe 2->15         started        process3 file4 44 C:\Users\user\AppData\Roaming\LUcOxcKA.exe, PE32 7->44 dropped 46 C:\Users\...\LUcOxcKA.exe:Zone.Identifier, ASCII 7->46 dropped 48 C:\Users\user\AppData\Local\...\tmp1A16.tmp, XML 7->48 dropped 50 C:\Users\user\...\PAYMENT RETURNED.exe.log, ASCII 7->50 dropped 86 Adds a directory exclusion to Windows Defender 7->86 17 MSBuild.exe 17 5 7->17         started        22 MSBuild.exe 7->22         started        24 powershell.exe 21 7->24         started        26 schtasks.exe 1 7->26         started        88 Multi AV Scanner detection for dropped file 11->88 90 Machine Learning detection for dropped file 11->90 28 MSBuild.exe 11->28         started        30 schtasks.exe 11->30         started        92 Tries to detect sandboxes / dynamic malware analysis system (file name check) 13->92 32 conhost.exe 13->32         started        34 conhost.exe 15->34         started        signatures5 process6 dnsIp7 52 api.telegram.org 149.154.167.220, 443, 49704, 49707 TELEGRAMRU United Kingdom 17->52 54 api.ipify.org.herokudns.com 54.91.59.199, 443, 49703 AMAZON-AESUS United States 17->54 56 api.ipify.org 17->56 42 C:\Users\user\AppData\Roaming\...\MYAPP.exe, PE32 17->42 dropped 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->70 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->72 74 May check the online IP address of the machine 22->74 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 22->76 36 conhost.exe 24->36         started        38 conhost.exe 26->38         started        58 3.220.57.224, 443, 49706 AMAZON-AESUS United States 28->58 60 api.ipify.org 28->60 78 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->78 80 Tries to steal Mail credentials (via file / registry access) 28->80 82 Tries to harvest and steal ftp login credentials 28->82 84 Tries to harvest and steal browser information (history, passwords, etc) 28->84 40 conhost.exe 30->40         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a18558d47715d4869b75f738052786c8b85681aea3ff093002cd6b9dfd55c1c/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-11-30 04:06:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jimfldkhofouq2nxl5zyautynsfyk2a25i77beyaftlltx6vlqoa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
08147a0de0bb290829a48536b659527ee1a3c6017df1d1d911f79fd76c0ff859
AgentTesla
1015fb1f960c808990e8911a5a4de7ac50d31812a71dc298f357dc668a5b794b
AgentTesla
4b9761bcf4390d621a51510551602140fa4127d33245712580bc377b872476c4
AgentTesla
79824a68ef3795850a225075666622469f026c0f5e983af0e5d01c681270f85a
AgentTesla
a57374d0bb25cb057c57d294ae3389d1375f8111a9c0aec5ad8d52d7e953a2b1
AgentTesla
e3f743fb706abf616add3cf15faa3ebcb36b14c400952afd37485176e71eaa32
AgentTesla
f7318ba2fa1309d96755c3f7614b24f8ff05c3d14491f9becfab3b58f2be00d0
AgentTesla
+ 22'848 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/221130-jcdj6ahh45/
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
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5453942321:AAF6CS9julQ6K7s5pxacNALwWJ2A52D0EC4/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e8b4e52a-eafe-4509-a9ac-b0f70c427761
Unpacked files
SH256 hash:
0390b8fe8f033b9f7b75ba6d6f125cb3d73883b9ac083c7826356c922d4e479a
MD5 hash:
786b5430dae1edb1510f96238c97ad56
SHA1 hash:
da0ca394c5c62de2eaf2ae528dd2212e9404eb6e
Link:
https://www.unpac.me/results/8d4b8d8b-cac6-436d-a63e-016d6fe859a1/
SH256 hash:
dc7096eba57673c5d868635eb958c4899af90b2da2792d591a41433218d08b74
MD5 hash:
77ebdb529e1b75bc5ac913eae79d7f4c
SHA1 hash:
c9374256b22907ee3d702bd2f4037326d95754e4
Link:
https://www.unpac.me/results/8d4b8d8b-cac6-436d-a63e-016d6fe859a1/
SH256 hash:
3624268b1bf67fd3f560f345e5171f3a2f8968a776c23816ea76fc0ef41b0f03
MD5 hash:
1619753b625e58c25b73fbf1f0bff482
SHA1 hash:
c0d7922bdbc10ef0ee1606a40c2dedd22cb180d4
Link:
https://www.unpac.me/results/8d4b8d8b-cac6-436d-a63e-016d6fe859a1/
SH256 hash:
6d65ad309fa4d447563a4fcc0749a0d1b7d6f949f160b87a6e43fd71fbed7af4
MD5 hash:
260960568e61f465eeaea18d766e931e
SHA1 hash:
a6a00ea7b806750da730ae83a7bdb997b7aac004
Link:
https://www.unpac.me/results/8d4b8d8b-cac6-436d-a63e-016d6fe859a1/
SH256 hash:
88a9bb73fbf20f8b448d4f68839b392e30dacd54bb6383856955016e5ada08fc
MD5 hash:
83da2fca7a89b097f686bf4167bbe183
SHA1 hash:
9d7a133a0349d2272ee453977a08b0546cc64911
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/8d4b8d8b-cac6-436d-a63e-016d6fe859a1/
Parent samples :
2980f607058a2ba908559bdedbbd019edd4b52377e5f884d36a62bf9aac8be00
4e917ed708e6c20ca6f74372e37680aac6af8a9fc214e903ff4297438cf94261
8cdd2376c22a3f37faafe3a39f3730b7c03c9e641b729607ca2b083abbc3f05e
4a18558d47715d4869b75f738052786c8b85681aea3ff093002cd6b9dfd55c1c
6e91ea05f6e530c2092d498bc56c7de9fe1cc16e74538c9ace01c3c2b79ee74d
5fc28dba0030fcbcc62c9ca9c6da94dbecd6e50ee64f4f5380e6a73adf16f627
bd9e8e98b57be42915462ea8282987ebe17d779ead3d4c6461ec9e4d59150b3a
09f3a3ec989361e622f1ac9b42bc380846518c270dac7783e6e38aa1f12ccee4
bb504515c55056366648ad196e46f804221e248e4d41fda2ba3a243e23309794
SH256 hash:
4a18558d47715d4869b75f738052786c8b85681aea3ff093002cd6b9dfd55c1c
MD5 hash:
2b246540632f9a5216d5dbd585733f12
SHA1 hash:
2de0a40ec665b06a4c3d4dde5c05661b451b47f9
Link:
https://www.unpac.me/results/8d4b8d8b-cac6-436d-a63e-016d6fe859a1/
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/4a18558d47715d4869b75f738052786c8b85681aea3ff093002cd6b9dfd55c1c

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.

Malspam

AgentTesla

Executable exe 4a18558d47715d4869b75f738052786c8b85681aea3ff093002cd6b9dfd55c1c

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
AgentTesla
Cape
Cape
https://www.capesandbox.com/analysis/339902/

Comments