MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 337c891ea747e73930dd5b2f27921720a905e3531ab38c89f5f7b0e208b20dae. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 337c891ea747e73930dd5b2f27921720a905e3531ab38c89f5f7b0e208b20dae
SHA3-384 hash: fc7b4059d9c45120363bf7b58bf19d31f4aeaffe8764462a85b4b455b25e6f00a1037363a96debd640b9b79e44ba93e1
SHA1 hash: 47249bc395517fc6ca5cf0837c6a66d551749a93
MD5 hash: 8aa7f15a75d78a3029a3da0ba80282c8
humanhash: undress-bulldog-pizza-floor
File name:337c891ea747e73930dd5b2f27921720a905e3531ab38c89f5f7b0e208b20dae
Download: download sample
Signature AgentTesla
Create hunting rule
File size:4'084'224 bytes
First seen:2023-11-01 14:29:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ddd521167e2359cb7ccbd033820b1a88 (1 x AgentTesla)
ssdeep 49152:9eA3k5ul6MhfuPQoCGUiKxdszvdAQgFPhEyzYKsG6sVet39OOK:f6kAz9GM4
Threatray 18 similar samples on MalwareBazaar
TLSH T151167D02ABD901D6E467D634C61EAB33E2B1F85A4732C79B0554D35E2E339D18F6B322
TrID 83.7% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
7.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
4.4% (.EXE) Win64 Executable (generic) (10523/12/4)
2.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
0.8% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
319
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/457631/
Detection(s):
SecuriteInfo.com.BDS.Pcclient.atg.1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug control expand lolbin msbuild
Link:
https://www.filescan.io/uploads/654260ec72356e4f29ea607b/reports/df179618-5bcb-49dc-8917-471a9381dc78/overview
Verdict:
Malicious
Labled as:
Win64/Kryptik.EBT trojan
Link:
https://www.hybrid-analysis.com/sample/337c891ea747e73930dd5b2f27921720a905e3531ab38c89f5f7b0e208b20dae
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/43ac2536-cd62-4086-9ea2-865d3bbd5853
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1335485
Signature
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1335485 Sample: 2ZVHdflSZA.exe Startdate: 01/11/2023 Architecture: WINDOWS Score: 100 27 api4.ipify.org 2->27 29 api.telegram.org 2->29 31 api.ipify.org 2->31 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 4 other signatures 2->53 7 2ZVHdflSZA.exe 2->7         started        10 btCUxw.exe 2 2->10         started        12 btCUxw.exe 1 2->12         started        signatures3 process4 signatures5 55 Writes to foreign memory regions 7->55 57 Allocates memory in foreign processes 7->57 59 Injects a PE file into a foreign processes 7->59 14 CasPol.exe 16 6 7->14         started        19 CasPol.exe 7->19         started        21 conhost.exe 10->21         started        23 conhost.exe 12->23         started        process6 dnsIp7 33 api4.ipify.org 173.231.16.77, 443, 49713 WEBNXUS United States 14->33 35 api.telegram.org 149.154.167.220, 443, 49714, 49721 TELEGRAMRU United Kingdom 14->35 25 C:\Users\user\AppData\Roaming\...\btCUxw.exe, PE32 14->25 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file / registry access) 14->39 41 Tries to harvest and steal browser information (history, passwords, etc) 14->41 45 2 other signatures 14->45 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->43 file8 signatures9
Score:
89%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/337c891ea747e73930dd5b2f27921720a905e3531ab38c89f5f7b0e208b20dae
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/337c891ea747e73930dd5b2f27921720a905e3531ab38c89f5f7b0e208b20dae/
Threat name:
Win64.Trojan.GenSteal
Create hunting rule
Status:
Malicious
First seen:
2023-10-28 07:12:00 UTC
File Type:
PE+ (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gn6ishvhi7ttsmg5lmxspeqxecuqly2tdkzyzcpv66yoecfsbwxa._file
Verdict:
unknown
Similar samples:
02a8f44506f086128b18c4efb473c58406026d467f4fdcad07c5d02ffe97df47
AgentTesla
3d04a3dba672f406e3d4767cda713716bb926acc0a6298ad1bd1d7908ac5c634
AgentTesla
4520e200bd01f6ffd786172f0b6d482510e8367055cf7082ab455b61554a0e32
AgentTesla
5a5a5ebdbcaac1a77e3b8aa6f439b37080c17076934930121601bb4e78b6dc8a
AgentTesla
71e7386e8129da10222a7af399561b240b0d9ae7507f87d9ee6d57b2dda57ef9
AgentTesla
71e9af5f139c8743a53390345e7f19199b17892955f0d4607340d7b651ac869d
AgentTesla
c85cac613a8b1561c7be7b848963b56d925dac3e70f119ac9aeab78d234e8a34
AgentTesla
cdd242949c27e36165097665a7c381247579401853b06e88d2e430b55e115105
AgentTesla
fc05a007f7b6a6e4a69f15f1a31822957f3aae14a81e01e7c6eb9ceac0835a3b
AgentTesla
+ 8 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231101-rt5nzabe86/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6603930847:AAFEPpt87jNrswsoxRziEquzc7QyaetKssE/
Unpacked files
SH256 hash:
337c891ea747e73930dd5b2f27921720a905e3531ab38c89f5f7b0e208b20dae
MD5 hash:
8aa7f15a75d78a3029a3da0ba80282c8
SHA1 hash:
47249bc395517fc6ca5cf0837c6a66d551749a93
Link:
https://www.unpac.me/results/79be5b91-f703-4fd1-b63c-abbcd464dc9d/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/337c891ea747/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/337c891ea747e73930dd5b2f27921720a905e3531ab38c89f5f7b0e208b20dae

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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/457631/

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