MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3aa3a71ec52a2476df7da2aeafd0a1e3bdb19dd4d962c51c4ebde0555f6f143e. 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: 18


Intelligence 18 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3aa3a71ec52a2476df7da2aeafd0a1e3bdb19dd4d962c51c4ebde0555f6f143e
SHA3-384 hash: 4df071a757d5a1ee903c3cc4c0f56c4f3db8d07b51c34985a5801762beb2eccffbaa2ecfd805983f03ca93e742b890a2
SHA1 hash: eacac9c298a674a419928256a40ce5fc64af5c4d
MD5 hash: 12912f7dfc9298d4e40829bb4d58213f
humanhash: nitrogen-moon-coffee-helium
File name:3aa3a71ec52a2476df7da2aeafd0a1e3bdb19dd4d962c51c4ebde0555f6f143e
Download: download sample
Signature AgentTesla
Create hunting rule
File size:214'528 bytes
First seen:2023-11-01 12:38:51 UTC
Last seen:2023-11-01 14:16:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:HXxjmnJ5I4em14y+dRxOuUQDS/qj+T+jo/8MDyCPTM8MryvX:AnJOTTy+gQTy
Threatray 2'550 similar samples on MalwareBazaar
TLSH T1EC24197E1741BE02C6EE417D0136950826F09507873EA34F6FE248FE1F566CAF91AAE1
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
315
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
3aa3a71ec52a2476df7da2aeafd0a1e3bdb19dd4d962c51c4ebde0555f6f143e
Verdict:
Malicious activity
Analysis date:
2023-11-01 13:33:57 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/64ff434f-21e9-4eb8-9b14-cfeb14616a81

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/457616/
Detection(s):
SecuriteInfo.com.Trojan.PWS.StealerNET.122.12239.546.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Setting a keyboard event handler
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Changing the hosts file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
azorult hacktool keylogger lolbin obfuscar packed packed replace
Link:
https://www.filescan.io/uploads/654246ed72356e4f29ea5831/reports/94dbfd29-c2c6-47af-9622-8ece0c90979c/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/3aa3a71ec52a2476df7da2aeafd0a1e3bdb19dd4d962c51c4ebde0555f6f143e
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/70a940fe-d14b-4b4c-ba06-f0702d53e586
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1335427
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
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)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1335427 Sample: O05JaJTooX.exe Startdate: 01/11/2023 Architecture: WINDOWS Score: 100 21 mail.clipjoint.co.nz 2->21 23 mail.cms-tool.net 2->23 27 Found malware configuration 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 3 other signatures 2->33 6 O05JaJTooX.exe 1 5 2->6         started        11 LIhMQ.exe 2 2->11         started        13 LIhMQ.exe 2 2->13         started        signatures3 process4 dnsIp5 25 mail.cms-tool.net 52.62.100.235, 49713, 49714, 49717 AMAZON-02US United States 6->25 15 C:\Users\user\AppData\Roaming\...\LIhMQ.exe, PE32 6->15 dropped 17 C:\Windows\System32\drivers\etc\hosts, ASCII 6->17 dropped 19 C:\Users\user\...\LIhMQ.exe:Zone.Identifier, ASCII 6->19 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 6->35 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->37 39 Tries to steal Mail credentials (via file / registry access) 6->39 53 3 other signatures 6->53 41 Antivirus detection for dropped file 11->41 43 Multi AV Scanner detection for dropped file 11->43 45 Machine Learning detection for dropped file 11->45 47 Tries to harvest and steal ftp login credentials 13->47 49 Tries to harvest and steal browser information (history, passwords, etc) 13->49 51 Installs a global keyboard hook 13->51 file6 signatures7
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3aa3a71ec52a2476df7da2aeafd0a1e3bdb19dd4d962c51c4ebde0555f6f143e
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3aa3a71ec52a2476df7da2aeafd0a1e3bdb19dd4d962c51c4ebde0555f6f143e/
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Create hunting rule
Status:
Malicious
First seen:
2023-04-15 17:54:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hkr2ohwffishnx35ukxk7ufb4o63dhou3frmkhcoxxqfkx3pcq7a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
23037e71ab8a3fdb3cd81c52a11f50e0d72e22703fdff8e05c45eb0ac0fb829b
AgentTesla
31fd23039c3d2cd75d9b8a4e51a267f7c7d678dd996d67506adb1cbfe0602c5b
AgentTesla
3aee223bac1f36912a18f9f630df76b8950995ff1442764300021512c89ed545
AgentTesla
50fa00b80e39589840fa519f562983460856da8a8dd0f874959f6553ae94fce4
AgentTesla
76ddeb0e4ca4680da43525457a82035c66b7150603b628c66d407421a55077e4
AgentTesla
ccb49243b60372f1bca2b75fd5342f273983f2d6151a1c0ac704064c7b46098a
AgentTesla
ee9c3569905a2a2b5141982928e9205a99170189dab43f8626102e1a6dddbe4e
AgentTesla
+ 2'540 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/231101-pvlw5sac42/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
outlook_office_path
outlook_win_path
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
3aa3a71ec52a2476df7da2aeafd0a1e3bdb19dd4d962c51c4ebde0555f6f143e
MD5 hash:
12912f7dfc9298d4e40829bb4d58213f
SHA1 hash:
eacac9c298a674a419928256a40ce5fc64af5c4d
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/6fc30677-b2dd-4fa6-bb1a-678614906b5a/
Parent samples :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 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/3aa3a71ec52a2476df7da2aeafd0a1e3bdb19dd4d962c51c4ebde0555f6f143e

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:NETexecutableMicrosoft
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
Rule name:Windows_Trojan_AgentTesla_d3ac2b2f
Create hunting rule
Rule name:Windows_Trojan_AgentTesla_d3ac2b2f
Create hunting rule
Author:Elastic Security

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/457616/

Comments