MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 983a033e4fabca6f7b5c67fb9dd03d55dede2b2e94eeb0ee666bf7e4d60ade59. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 983a033e4fabca6f7b5c67fb9dd03d55dede2b2e94eeb0ee666bf7e4d60ade59
SHA3-384 hash: b8b124daddde8c510fecd4995db005e09b3f1c65dc5b953724685743be11f42cf7af5bb0a53d4398daf3ea84237ef12d
SHA1 hash: fb9369dc0b2450937ac9035ddd76827b1aa58e90
MD5 hash: 58d060ecde77905912c6defa58a825b9
humanhash: thirteen-north-carolina-finch
File name:SHIPPING DOCUMENTS.DOC.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:663'040 bytes
First seen:2023-05-20 12:22:27 UTC
Last seen:2023-05-21 18:55:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:eRcugSmcqO+v7NduuTcpqhGSrZSmiJCC5A5f6xJ+mvGvG9+hNivJCKH:ezRmjOoiajG2C1OlkJ+mvRkqvkg
Threatray 1'546 similar samples on MalwareBazaar
TLSH T1C7E4E03027D9C70BD16A4279C0D1C3F01BB69D80B976C6834FEDFC5FB18B2AA9261256
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 f8eae6e6e6e6e46a (13 x AgentTesla, 10 x Loki, 7 x Formbook)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
239
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SHIPPING DOCUMENTS.DOC.exe
Verdict:
Malicious activity
Analysis date:
2023-05-20 12:25:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/63694dff-676d-496f-b78b-0ed1f49dcd72

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.67098630.12891.27210.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process with a hidden window
Launching a process
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook packed remcos
Link:
https://www.filescan.io/uploads/6468bba641c8bb08422d7420/reports/74822a92-48c4-49d3-93fc-49d475d4faca/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/983a033e4fabca6f7b5c67fb9dd03d55dede2b2e94eeb0ee666bf7e4d60ade59
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/afee014e-81c5-4460-86d3-451a16c9987b
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1237968
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 870963 Sample: SHIPPING_DOCUMENTS.DOC.exe Startdate: 20/05/2023 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 10 other signatures 2->70 7 SHIPPING_DOCUMENTS.DOC.exe 7 2->7         started        11 XDLrbeNWOU.exe 5 2->11         started        13 kQKICwF.exe 2->13         started        15 kQKICwF.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\...\XDLrbeNWOU.exe, PE32 7->52 dropped 54 C:\Users\...\XDLrbeNWOU.exe:Zone.Identifier, ASCII 7->54 dropped 56 C:\Users\user\AppData\Local\...\tmpB452.tmp, XML 7->56 dropped 58 C:\Users\...\SHIPPING_DOCUMENTS.DOC.exe.log, ASCII 7->58 dropped 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->80 82 Uses schtasks.exe or at.exe to add and modify task schedules 7->82 84 Adds a directory exclusion to Windows Defender 7->84 17 SHIPPING_DOCUMENTS.DOC.exe 17 5 7->17         started        22 powershell.exe 19 7->22         started        36 2 other processes 7->36 86 Multi AV Scanner detection for dropped file 11->86 24 XDLrbeNWOU.exe 11->24         started        26 schtasks.exe 1 11->26         started        28 kQKICwF.exe 13->28         started        30 schtasks.exe 13->30         started        32 kQKICwF.exe 15->32         started        34 schtasks.exe 15->34         started        signatures5 process6 dnsIp7 60 api.telegram.org 149.154.167.220, 443, 49697, 49698 TELEGRAMRU United Kingdom 17->60 48 C:\Users\user\AppData\Roaming\...\kQKICwF.exe, PE32 17->48 dropped 50 C:\Users\user\...\kQKICwF.exe:Zone.Identifier, ASCII 17->50 dropped 72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->72 74 Tries to steal Mail credentials (via file / registry access) 17->74 76 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->76 38 conhost.exe 22->38         started        40 conhost.exe 26->40         started        62 192.168.2.1 unknown unknown 28->62 42 conhost.exe 30->42         started        78 Tries to harvest and steal browser information (history, passwords, etc) 32->78 44 conhost.exe 34->44         started        46 conhost.exe 36->46         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/983a033e4fabca6f7b5c67fb9dd03d55dede2b2e94eeb0ee666bf7e4d60ade59/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-05-18 05:09:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ta5agpspvpfg6624m75z3ub5kxpn4kzostxlb3tgnp36jvqk3zmq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0368b2ffa6991460a59b03edcd2ef71c423a27d4902b2222248bc0935776614d
AgentTesla
3836e97722f2267266161a857140dfda9731e6bcec5147169c86410a39ac24e7
AgentTesla
392f81419000cc840371e050cea8f8bc182353ee9dafa2efd158a75a54886e62
AgentTesla
8ad9b102b105787a966e03694a5db89886b5ffcf97e8de4ef340f76b5e9e7e4f
AgentTesla
ad06dd86354aa9e61e6de1aabf9efa7539fb13edb2e23e1eb63b86d59203e55f
AgentTesla
b3303273446384f72e2a0f90c455f69598f341164c2bcfded2cf95b30e3a9295
AgentTesla
cdd93cdf75bd61ac9b31635647f23d4e7c58aa1d6c82568b3f8036b6f44aa222
AgentTesla
d89787191bcbb0685fe37fb26409367f1b00a23e4f578081785f7dba7aa2a9ce
AgentTesla
e3e6d851f1598eb145492e46d7431f72436178f1a60ebc4d6742839e12d52200
AgentTesla
+ 1'536 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/230520-pkfmdacb69/
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
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5829039825:AAHUTzihFHkYnCe5S3O2k7aL4dVLIHvYzbo/
Unpacked files
SH256 hash:
cfb58e2cbb6a3b429215e1dd9e6b7b9b800e8dc4ac86432107a2d7334bae8a6b
MD5 hash:
71bf7f4cec323614c43859c73f3f2663
SHA1 hash:
e8dd8b9b67d7949fc92570b746bcfa254b4f2a8a
Link:
https://www.unpac.me/results/3436ffe4-cb17-4282-a572-473c67e81680/
SH256 hash:
2907ceb0aff33154a49177d6e04e822538f3fb439a55264cdf84b162564afea6
MD5 hash:
ae06e9b9c5d6df3bdb39fbbc75d9b9cd
SHA1 hash:
b03aff7dda4462819b1250e44d80c83aca37237f
Link:
https://www.unpac.me/results/3436ffe4-cb17-4282-a572-473c67e81680/
SH256 hash:
5dac0e0ed7e06e66842faa5226459733fa9c87f34fb43c937b45dc35cd87a806
MD5 hash:
e34913a450ce0a285740c930a6d202c5
SHA1 hash:
a8d8376cadd5dbb85c785d110c3e66439b8322b2
Link:
https://www.unpac.me/results/3436ffe4-cb17-4282-a572-473c67e81680/
SH256 hash:
3d64aaa39b6ffedf4f6c36084abfd7dd232f7efcff0c0d84b2d1e0ff5ce3940f
MD5 hash:
e1ce5c9df19bb3009cfb4b89d4105328
SHA1 hash:
8f04eab2937fcb3eb6ef7900a7a533fb976f243e
Link:
https://www.unpac.me/results/3436ffe4-cb17-4282-a572-473c67e81680/
SH256 hash:
66f023a9d233da93129e502b2665c036e8cf95c1fcfa2becb8c6c5d397aaf2f3
MD5 hash:
dc1c3f48cbad15b2df193babbad48195
SHA1 hash:
18fbd7b46472444088fafc88b05d36cf2f66bec9
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/3436ffe4-cb17-4282-a572-473c67e81680/
Parent samples :
b17834b8b1ab830ad583d159929a01013cabf188895657bcfd44c4fb95a12258
983a033e4fabca6f7b5c67fb9dd03d55dede2b2e94eeb0ee666bf7e4d60ade59
bdc2674f2a97b86c7ad40c521aaa21dc112acb9a8076f163929b992875288e7c
0fca2cfc9c5e64e93003c8a42ab67001aa5d6019de910d889411acb2eaff9e0f
dfe1d62ed1673dd1cabf1a8b9e5214e5bbd356fc8c393102e3909c8e4dc4e718
SH256 hash:
983a033e4fabca6f7b5c67fb9dd03d55dede2b2e94eeb0ee666bf7e4d60ade59
MD5 hash:
58d060ecde77905912c6defa58a825b9
SHA1 hash:
fb9369dc0b2450937ac9035ddd76827b1aa58e90
Link:
https://www.unpac.me/results/3436ffe4-cb17-4282-a572-473c67e81680/
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/983a033e4fabca6f7b5c67fb9dd03d55dede2b2e94eeb0ee666bf7e4d60ade59

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 983a033e4fabca6f7b5c67fb9dd03d55dede2b2e94eeb0ee666bf7e4d60ade59

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments