MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b9bb1e946bfa8aedec8483a97b8abc7bac0da1e58150d23b2c0473aa1095782. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b9bb1e946bfa8aedec8483a97b8abc7bac0da1e58150d23b2c0473aa1095782
SHA3-384 hash: 98608c8e35c63c9a72652c631a46303c80507ed55c3f40ff6986a8505203631a8db937f969f930337b64fababd2bf4cf
SHA1 hash: 2add77b563c0ad7c8aec9fe157b931be737516cf
MD5 hash: 6918472f27d48ed8ebce09cb7a5be1d3
humanhash: coffee-coffee-texas-king
File name:KCCIXCMp78seCKo.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:641'536 bytes
First seen:2021-07-01 08:35:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:S+YlylsKAlAJKBPg5PEPQna6cZrim6JetuBta2aSLEFZvsn:0EsKAlkKBPYPEPjfrFGrm2aSLEL
Threatray 6'249 similar samples on MalwareBazaar
TLSH F0D412346EFD2274D1B61F3265F5F292C7BEB7367A0AD40828D252460693B80DFE0769
Reporter Racco42
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
KCCIXCMp78seCKo.exe
Verdict:
Malicious activity
Analysis date:
2021-07-01 08:42:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0db695ae-8330-4bc3-b0de-5de7e9323f7d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/169085/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.900-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8d3b829a-e73a-4cd5-911b-4e0cede59b24
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/810415
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 442826 Sample: KCCIXCMp78seCKo.exe Startdate: 01/07/2021 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Multi AV Scanner detection for dropped file 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 8 other signatures 2->49 7 KCCIXCMp78seCKo.exe 6 2->7         started        11 zUbDt.exe 5 2->11         started        13 zUbDt.exe 2 2->13         started        process3 file4 31 C:\Users\user\AppData\...\wdKCcyiwzF.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp97AE.tmp, XML 7->33 dropped 35 C:\Users\user\...\KCCIXCMp78seCKo.exe.log, ASCII 7->35 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->53 55 Uses schtasks.exe or at.exe to add and modify task schedules 7->55 15 KCCIXCMp78seCKo.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 61 Injects a PE file into a foreign processes 11->61 21 schtasks.exe 1 11->21         started        23 zUbDt.exe 2 11->23         started        25 zUbDt.exe 11->25         started        signatures5 process6 file7 37 C:\Users\user\AppData\Roaming\...\zUbDt.exe, PE32 15->37 dropped 39 C:\Users\user\...\zUbDt.exe:Zone.Identifier, ASCII 15->39 dropped 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->41 27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1b9bb1e946bfa8aedec8483a97b8abc7bac0da1e58150d23b2c0473aa1095782/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-07-01 06:18:34 UTC
AV detection:
14 of 46 (30.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=don3d2kgx6uk5xwija5jpofly65mbwq6lakq2i5sybdtviijk6ba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
13207816457e33a0430e6da6d1ab86d9797f9c2895a7491c142b5b8bfee3bb0d
AgentTesla
3bde2ad937153d68a084a34cd460817a4989d1e461b4d5ceb4ba2288cc230d1f
AgentTesla
67bff3c99f10c2b189df24202f66a3901d355847afee7de4f66c78aff794c923
AgentTesla
6c172122db5af54bec6f1a6255169ff95ddebce78bc550814c701ef7e2664f58
AgentTesla
7d330e99d8984003178e9901572adc43d719d4618aaa076a8e697eada127c014
AgentTesla
843953f91f7a0cea202cd389974f9bbfe111934bf175af7cb0e44804be5b9b4d
AgentTesla
ca7eebfdd882ee2f0c0fa96965ade9378129afcef2302faac6391b9fba82debc
AgentTesla
de2e00592af25f6033e0b10dbf2974b1e482ad117118cb726892a89acf2cd47b
AgentTesla
f408fd39d1ec47e7ba56e85ac76e167b2cb000acde2643ec8f36c571fcc1842f
AgentTesla
f5a368e8e1fd840abbe075db0a30756ca6297af3c9d3a8f9e1998f57e1204cbd
AgentTesla
+ 6'239 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/210701-2cf6wsy55s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/1f7aabd3-5951-4de8-839a-333282cefabe/
SH256 hash:
88d331bce5ec533743e6de31f86527103cf4cd61b4cd3ccbdb90e05efdb30dfa
MD5 hash:
c589d568655fd6f206b0f9d854e957ab
SHA1 hash:
6693b7f0e54a2f3eadcc6f61bd9fcea893bf313a
Link:
https://www.unpac.me/results/1f7aabd3-5951-4de8-839a-333282cefabe/
SH256 hash:
94ec95cfea51373cca02103c009e710b8cfbb3427001bd8ab7b38c8b89d6bb60
MD5 hash:
06afbdf9e41a1696128a6adeb657324b
SHA1 hash:
32e08d5407ce4a53712dfbc664e8fce67f9b937b
Link:
https://www.unpac.me/results/1f7aabd3-5951-4de8-839a-333282cefabe/
SH256 hash:
1b9bb1e946bfa8aedec8483a97b8abc7bac0da1e58150d23b2c0473aa1095782
MD5 hash:
6918472f27d48ed8ebce09cb7a5be1d3
SHA1 hash:
2add77b563c0ad7c8aec9fe157b931be737516cf
Link:
https://www.unpac.me/results/1f7aabd3-5951-4de8-839a-333282cefabe/
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/1b9bb1e946bfa8aedec8483a97b8abc7bac0da1e58150d23b2c0473aa1095782

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 1b9bb1e946bfa8aedec8483a97b8abc7bac0da1e58150d23b2c0473aa1095782

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/169085/

Comments