MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 900355a7608a1a245d30aa5b49caa561b4eff838ab89ffe612d33f28d81e9289. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 900355a7608a1a245d30aa5b49caa561b4eff838ab89ffe612d33f28d81e9289
SHA3-384 hash: f237c83808884a24366388b72fca0d80851d174cbf3f14368bc8707a42838039f341c3698dbbe0f5bfac9200d5df8033
SHA1 hash: 30368e403db3c1cdcf3c6889da29fd1994cba68d
MD5 hash: 80412182b2d6a93701d731d8e028effa
humanhash: quebec-tennessee-nuts-asparagus
File name:CI, PL, CO and BL.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'145'344 bytes
First seen:2022-07-09 16:17:40 UTC
Last seen:2022-07-11 14:02:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:eVG8hKZBgQ7HcmNMCKISSwClMDvjKw2oY9:eVGjQQ78+HKIZGKw2oY
Threatray 17'899 similar samples on MalwareBazaar
TLSH T1CE35D59C726072EFD8ABC572CEE86CA8FB91747B831F4113902715AD9A0D997DF140B2
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
8
# of downloads :
390
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/285795/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.10414.8910.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
packed
Link:
https://www.filescan.io/uploads/62c9aa77783441cda11cc5b3/reports/8230b8eb-9334-40ea-93d9-0e3f4b6d7292/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b5620595-ea12-4540-8735-b92b754fb26e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1027772
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Injects a PE file into a foreign processes
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 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)
Snort IDS alert for network traffic
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/900355a7608a1a245d30aa5b49caa561b4eff838ab89ffe612d33f28d81e9289/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-09 13:02:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
25 of 40 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sabvlj3arincixjqvjnutsvfmg2o76byvoe77zqs2m7srwa6skeq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
6ba688c7c1863842f981baaa6fa6a069dfa3932de4c67d7bb9f7c9b6e9ff7199
AgentTesla
76bf1e687e5092ee9855c9db8577a6cb68d437833acf7bebebfb1fc1cbda167d
AgentTesla
878c17caa7d1ef6630b8053b0d552fe7c9103ce6219a4e29f83fc343fb7e945e
AgentTesla
89b950ea92bec7e3a79c7d58e12745d73cc894b439944c5684441e551f2ef7d8
AgentTesla
ad32f72bfe35c4a7dcee11b48952f05b53a94c187066f03eaad861b2e27760b7
AgentTesla
ae376c158f4f8a123ca19b3fe6c96a158c8f7f88257cf07de7987b33d376acb2
AgentTesla
+ 17'889 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer suricata trojan
Link:
https://tria.ge/reports/220709-trx78afbdq/
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
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
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
Link:
https://www.unpac.me/results/ed27aba0-389d-4301-9ff0-ab5ecd724838/
SH256 hash:
454f0ed17abcbbf5a285bdd8478389510cb1ec29e5e117de68fabb210b65c338
MD5 hash:
31b1e60d7cee13db2d96962a2c4902c7
SHA1 hash:
e89ccaba96e54e925b17941844fa1056d7d51971
Link:
https://www.unpac.me/results/ed27aba0-389d-4301-9ff0-ab5ecd724838/
SH256 hash:
0a499cadda02adf3cdf9570d1c9894270dbf9ff04e7d6a9767407df07cc9f8d4
MD5 hash:
81f86efd54ca768968830299abe776fa
SHA1 hash:
25a967c09454c885f3bdd81519628560a71daed0
Link:
https://www.unpac.me/results/ed27aba0-389d-4301-9ff0-ab5ecd724838/
SH256 hash:
900355a7608a1a245d30aa5b49caa561b4eff838ab89ffe612d33f28d81e9289
MD5 hash:
80412182b2d6a93701d731d8e028effa
SHA1 hash:
30368e403db3c1cdcf3c6889da29fd1994cba68d
Link:
https://www.unpac.me/results/ed27aba0-389d-4301-9ff0-ab5ecd724838/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/900355a7608a/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/900355a7608a1a245d30aa5b49caa561b4eff838ab89ffe612d33f28d81e9289

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

zip 8473aafa8c69c54829f72fb435035982fb2d5fc8fa4ea91c881df773650f2cc5

AgentTesla

Executable exe 900355a7608a1a245d30aa5b49caa561b4eff838ab89ffe612d33f28d81e9289

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/285795/
  
Dropped by
SHA256 8473aafa8c69c54829f72fb435035982fb2d5fc8fa4ea91c881df773650f2cc5
  
Dropped by
MD5 1a4a239c5d7746afa3338655c98765f2
  
Dropped by
SHA256 c1fe1fcf3cd48d58c4ac60e1b2206789ed2f7eae4039fc11f63e97ac35e5506d
  
Dropped by
MD5 8109e77fc5aa366cb71419ca4adb9a35

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