MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d845e9e862b6cc61cf4909f4c16c2330483ba62d32c977c0080020a841bf3e1. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d845e9e862b6cc61cf4909f4c16c2330483ba62d32c977c0080020a841bf3e1
SHA3-384 hash: 8f26b494b92a3290cf9780ef9038275b160b8bb9a1cf8dc9a692215521c5ceb483a4cbc9e9e7ddc712c8595a9beed5b7
SHA1 hash: e4aa992415440850a9e0a17b2038c066d952bf4f
MD5 hash: decf06be9f0c0eed2d93bf190ba4b99b
humanhash: autumn-four-football-angel
File name:2023 Customer Information Export(1).doc.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:707'072 bytes
First seen:2023-10-05 08:13:02 UTC
Last seen:2023-10-05 08:13:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:s44lO9ZVrJDoPAYzy8DjzzUl1XW9OSJLIF:s44lkl0N2kzzu1XW9OOMF
Threatray 64 similar samples on MalwareBazaar
TLSH T1D2E4C51364ED9AB2DA35A33D02040CC4D2F56C7D46C9F51A2BB8AE7DD43D8914E2F92E
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 68c6a6ce96a28acc (28 x AgentTesla, 5 x SnakeKeylogger, 1 x KeyBase)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
282
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
2023 Customer Information Export(1).doc.exe
Verdict:
Malicious activity
Analysis date:
2023-10-05 08:20:29 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/2dbe7fed-62fb-4e00-bc5d-70ba9013b223

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Noon-9829285-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
strictor
Link:
https://www.filescan.io/uploads/651e701000484a15600266fd/reports/2cfbe01f-9a31-4f55-85fe-df869ce9d294/overview
Verdict:
Malicious
Labled as:
Strictor.Generic
Link:
https://www.hybrid-analysis.com/sample/4d845e9e862b6cc61cf4909f4c16c2330483ba62d32c977c0080020a841bf3e1
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/0314ba8d-ec6c-4948-a17b-aa37c7555acd
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1319987
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Contains functionality to log keystrokes (.Net Source)
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 dropped file
Multi AV Scanner detection for submitted file
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
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 Putty / WinSCP information (sessions, 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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1319987 Sample: 2023_Customer_Information_E... Startdate: 05/10/2023 Architecture: WINDOWS Score: 100 45 mail.elysees-hotel.com 2->45 47 elysees-hotel.com 2->47 49 2 other IPs or domains 2->49 55 Malicious sample detected (through community Yara rule) 2->55 57 Sigma detected: Scheduled temp file as task from temp location 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 7 other signatures 2->61 8 2023_Customer_Information_Export(1).doc.exe 6 2->8         started        12 hETSNfSV.exe 5 2->12         started        14 ZYybOms.exe 2->14         started        16 ZYybOms.exe 2->16         started        signatures3 process4 file5 41 C:\Users\user\AppData\Roaming\hETSNfSV.exe, PE32 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmpF0A6.tmp, XML 8->43 dropped 75 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->75 77 Uses schtasks.exe or at.exe to add and modify task schedules 8->77 79 Writes to foreign memory regions 8->79 18 RegSvcs.exe 16 4 8->18         started        23 schtasks.exe 1 8->23         started        81 Multi AV Scanner detection for dropped file 12->81 83 Machine Learning detection for dropped file 12->83 85 Injects a PE file into a foreign processes 12->85 25 RegSvcs.exe 3 12->25         started        27 schtasks.exe 1 12->27         started        29 RegSvcs.exe 12->29         started        31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        signatures6 process7 dnsIp8 51 api4.ipify.org 64.185.227.156, 443, 49703, 49705 WEBNXUS United States 18->51 53 elysees-hotel.com 94.130.217.179, 49704, 49706, 49720 HETZNER-ASDE Germany 18->53 39 C:\Users\user\AppData\Roaming\...\ZYybOms.exe, PE32 18->39 dropped 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->63 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->65 35 conhost.exe 23->35         started        67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->67 69 Tries to steal Mail credentials (via file / registry access) 25->69 71 Tries to harvest and steal browser information (history, passwords, etc) 25->71 73 Installs a global keyboard hook 25->73 37 conhost.exe 27->37         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d845e9e862b6cc61cf4909f4c16c2330483ba62d32c977c0080020a841bf3e1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-04 14:36:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jwcf5hugfnwmmhhuscpuyfwcgmcihotc2mwjo7aaqabavba36pqq._file
Verdict:
malicious
Similar samples:
1c754314f04cdcce697edd7ec302173990f645b1cc6e94347a38f543fdc93492
AgentTesla
4894c3f698e1101a02c7af04e0fd81e36a0d91c0ce7c7003234e7bc18906f024
AgentTesla
4d845e9e862b6cc61cf4909f4c16c2330483ba62d32c977c0080020a841bf3e1
AgentTesla
5c7e18764c02e02117f91213a2f66e63265d3ed30c0ea8ae1c9be8ff5ee4ba43
AgentTesla
6c83949ffec3d4b7b6ca9b809640068415a8cef56ed7c81528a616da7838a762
AgentTesla
a55bc4f0b6518131e8b5a86cadfe4c15201753ca1e14b0fc36692ae802298c7a
AgentTesla
db6d0d7d8fbb083af05032fa8d3d516cf789f2f81fc651749e77bb4f7ba4e5ee
AgentTesla
+ 54 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/231005-j4earshf2x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Unpacked files
SH256 hash:
5cf51d1a8d4bd940740e90e3962cea8e939e791ef7c5bd88d1a0cb574af25b70
MD5 hash:
9407c2206b85c7cb0949ef623fa614d8
SHA1 hash:
df6e3ec48a4e673d93fc6818db52460ce8fadd9a
Link:
https://www.unpac.me/results/190d02fe-1873-47c0-abb1-b679510cfa13/
SH256 hash:
fb71af9ac9bf691aec655a736e2741d2cd4336c2181d9b43fb213c970502e043
MD5 hash:
29f76a24fa9a77ba3e07345a070a56a8
SHA1 hash:
d6f0775c84f7e3b9d238efa77e6187dd3cef6e6b
Link:
https://www.unpac.me/results/190d02fe-1873-47c0-abb1-b679510cfa13/
SH256 hash:
4aab62b5c396ffa8100d945e7411a0fc78cb205d6b83ef86e5210689cd6c9dc1
MD5 hash:
d7ebf4ab7bb0ab685e3902349d637e9b
SHA1 hash:
d4842b6f1f9935bdbe5a4435676256ed0f856354
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/190d02fe-1873-47c0-abb1-b679510cfa13/
SH256 hash:
4d845e9e862b6cc61cf4909f4c16c2330483ba62d32c977c0080020a841bf3e1
MD5 hash:
decf06be9f0c0eed2d93bf190ba4b99b
SHA1 hash:
e4aa992415440850a9e0a17b2038c066d952bf4f
Link:
https://www.unpac.me/results/190d02fe-1873-47c0-abb1-b679510cfa13/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4d845e9e862b/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/4d845e9e862b6cc61cf4909f4c16c2330483ba62d32c977c0080020a841bf3e1

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: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.

Malspam

AgentTesla

rar 4a338a75360d288e6b4fa542b39f45900c33aa433f0cfa21b45079fe900a64e7

AgentTesla

Executable exe 4d845e9e862b6cc61cf4909f4c16c2330483ba62d32c977c0080020a841bf3e1

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 4a338a75360d288e6b4fa542b39f45900c33aa433f0cfa21b45079fe900a64e7
  
Dropped by
SHA256 0ca96af64628e925826797d44d674d3af12b35b703aa495b12db7f907991f4ee
  
Dropped by
MD5 0f287672bd9ca787337fd696b987ae4f
  
Dropped by
MD5 7d4a752740200a6957d485ab59d33e6e

Comments