MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1ab9c1f53303986c6bd92de286fbfcd6f8c0d41aa3847d0922a5ce5868b2250. 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



Threat unknown


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: a1ab9c1f53303986c6bd92de286fbfcd6f8c0d41aa3847d0922a5ce5868b2250
SHA3-384 hash: bf9506eed9dc6068ae4722c6e1920075e05349ec568e5d294dd26970666476c89367bee3bdb7a45d3956bd2eae2ea950
SHA1 hash: 27d97d21b9d2566936d0fb4aa4f624cd8b9ac89a
MD5 hash: cec68a257f8ea3ae07b7f08e72c8c21b
humanhash: golf-alanine-oxygen-low
File name:INVIO09897890xls.exe
Download: download sample
File size:1'676'288 bytes
First seen:2022-01-30 04:17:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:40So0VDhXwPEenMhuJpab8bo6tkNmCeDaUxySjC6xjM6PC1:40AVDhXwPEeMe08SmCOaUBX7
Threatray 1'428 similar samples on MalwareBazaar
TLSH T1B6753779AE4A7900C02779F0409BF4A402213DE216E7C789DABBFE8535F6A47DD3152E
File icon (PE):PE icon
dhash icon ee5636aeea35a5e9 (11 x Formbook, 7 x AgentTesla, 3 x AsyncRAT)
Reporter GovCERT_CH
Tags:exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVIO09897890xls.exe
Verdict:
Malicious activity
Analysis date:
2022-01-30 04:19:23 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
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
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
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.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 562755 Sample: INVIO09897890xls.exe Startdate: 30/01/2022 Architecture: WINDOWS Score: 100 29 Multi AV Scanner detection for dropped file 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected AntiVM3 2->33 35 8 other signatures 2->35 7 INVIO09897890xls.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\...\oFNVbuOFhlvkgg.exe, PE32 7->21 dropped 23 C:\...\oFNVbuOFhlvkgg.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpF954.tmp, XML 7->25 dropped 27 C:\Users\user\...\INVIO09897890xls.exe.log, ASCII 7->27 dropped 37 Uses schtasks.exe or at.exe to add and modify task schedules 7->37 39 Adds a directory exclusion to Windows Defender 7->39 11 powershell.exe 25 7->11         started        13 schtasks.exe 1 7->13         started        15 RegSvcs.exe 7->15         started        signatures5 process6 process7 17 conhost.exe 11->17         started        19 conhost.exe 13->19         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-29 12:59:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence upx
Behaviour
Creates scheduled task(s)
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
autoit_exe
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
UPX packed file
Unpacked files
SH256 hash:
b3756cd967bfe22faf4a511f923e93286514aab8b46ff8c16ebf63637c589c7c
MD5 hash:
c29a6b0a8656471a959206c399c08b65
SHA1 hash:
c1f4e5e3bd1e8a4923805be6ec7b704b008d99ba
SH256 hash:
d4490d17f15772d763aa34058bdd7d8896b0f357dd3f6599ecf5de577abe96cb
MD5 hash:
0ab1e7bd94327b6a128228ecda991ec2
SHA1 hash:
f1e15aa044b1725a0a416c8f9cb2e31736c950c8
SH256 hash:
0544a02b54e60673fd0fd4e0338df52250e6981939146c25661165ad6a0ac665
MD5 hash:
60e5584916d4350d39784ea385bdb3e6
SHA1 hash:
d3804dfad5ad45ddfd25aa0418f73f64e9c7b626
SH256 hash:
5247926388ed51a1178cb1de85bc5df1443c240ace43d7d9386edf8d7fceec02
MD5 hash:
9a6cb543f17cc6f61c016dbc8a331bc2
SHA1 hash:
62210e9d0f4d5b8101886a336feb3e1ae0eaf824
SH256 hash:
a1ab9c1f53303986c6bd92de286fbfcd6f8c0d41aa3847d0922a5ce5868b2250
MD5 hash:
cec68a257f8ea3ae07b7f08e72c8c21b
SHA1 hash:
27d97d21b9d2566936d0fb4aa4f624cd8b9ac89a
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
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

Executable exe a1ab9c1f53303986c6bd92de286fbfcd6f8c0d41aa3847d0922a5ce5868b2250

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments