MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 caef1c1bf021d8a6adbf6032e999aa68e1052014bdc8691dfbf182eeadc338f1. 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: caef1c1bf021d8a6adbf6032e999aa68e1052014bdc8691dfbf182eeadc338f1
SHA3-384 hash: 3d8f84248c4a0a509c9d39800a2c4d4850a6fcc5cfe8b32798844b8788a1d20229e1bde3e3f252695ebbf57014a18ac1
SHA1 hash: 3aca978ae25d6d48bd6e3cb8b840ac31e4e413a9
MD5 hash: 7aaa1f9e29bb36a06876c358699c9b9b
humanhash: mississippi-west-speaker-september
File name:betalingafvist.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:272'333 bytes
First seen:2021-05-26 20:31:58 UTC
Last seen:2021-05-26 21:41:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:aQqgoDkuVOmru5QIZCOAO5okLH589VcGZzrFyGkBNb:vqQMuwOVN1G1FHk7b
Threatray 5'337 similar samples on MalwareBazaar
TLSH A144127B23F649BADDA2873416F38A66E7F9979305152B4737005E3B2E102D39707A81
Reporter TeamDreier
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
betalingafvist.exe
Verdict:
Malicious activity
Analysis date:
2021-05-26 20:34:03 UTC
Tags:
installer
Link:
https://app.any.run/tasks/caa5b122-8119-4296-be0d-6d86b2813a12

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/162584/
Detection(s):
SecuriteInfo.com.Artemis7AAA1F9E29BB.15436.15371.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Sending a UDP request
Creating a file in the %AppData% subdirectories
Launching a process
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
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:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/792919
Signature
.NET source code contains very large array initializations
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped 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)
Sigma detected: MSBuild connects to smtp port
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 425316 Sample: betalingafvist.exe Startdate: 26/05/2021 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Yara detected AgentTesla 2->36 38 Yara detected AgentTesla 2->38 40 3 other signatures 2->40 6 uogxqnlglnupp.exe 17 2->6         started        10 betalingafvist.exe 1 22 2->10         started        12 uogxqnlglnupp.exe 17 2->12         started        process3 file4 22 C:\Users\user\AppData\Local\...\System.dll, PE32 6->22 dropped 42 Writes to foreign memory regions 6->42 44 Maps a DLL or memory area into another process 6->44 14 MSBuild.exe 8 6->14         started        24 C:\Users\user\AppData\...\uogxqnlglnupp.exe, PE32 10->24 dropped 26 C:\Users\user\AppData\Local\...\System.dll, PE32 10->26 dropped 18 MSBuild.exe 4 10->18         started        28 C:\Users\user\AppData\Local\...\System.dll, PE32 12->28 dropped 46 Multi AV Scanner detection for dropped file 12->46 48 Machine Learning detection for dropped file 12->48 20 MSBuild.exe 4 12->20         started        signatures5 process6 dnsIp7 30 jjfconsultores.com 132.148.26.76, 49758, 49759, 49763 AS-26496-GO-DADDY-COM-LLCUS United States 14->30 32 mail.jjfconsultores.com 14->32 50 Tries to steal Mail credentials (via file access) 14->50 52 Tries to harvest and steal ftp login credentials 14->52 54 Tries to harvest and steal browser information (history, passwords, etc) 14->54 56 Installs a global keyboard hook 14->56 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->58 60 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->60 62 Found evasive API chain (trying to detect sleep duration tampering with parallel thread) 18->62 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/caef1c1bf021d8a6adbf6032e999aa68e1052014bdc8691dfbf182eeadc338f1/
Threat name:
Win32.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2021-05-26 20:32:12 UTC
AV detection:
14 of 29 (48.28%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zlxryg7qehmknln7mazotgnkndqqkiauxxegshp36gbo5lodhdyq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a65c17a6869bea83b82856617c8bd2e701eb96825cc078caf6cc6e56af0688a7
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cb39ca4eb7f5c23639bf05752a6e57f28346b35ad175845b2ed0a5caa019fe77
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d5269c737f5691eab59bcc8c6ba21a4ad0244e37d87c2fae38543ad15aa6707f
AgentTesla
+ 5'327 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/210526-e27jdqh37e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
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
Loads dropped DLL
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/caef1c1bf021d8a6adbf6032e999aa68e1052014bdc8691dfbf182eeadc338f1

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.

Cape
Cape
https://www.capesandbox.com/analysis/162584/

Comments