MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdadf851c69beb16aad5e8b8a69c665a27d74038edb1d7dc8633a361792ab73d. 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


Formbook


Vendor detections: 15


Intelligence 15 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bdadf851c69beb16aad5e8b8a69c665a27d74038edb1d7dc8633a361792ab73d
SHA3-384 hash: be3742c1fc54ca0d352c3b7879fdd33ba96afc8a44928d2708c3aa992dd8982e68308505216427622a41954543814038
SHA1 hash: 2d97c695aec999efa7fa8581d694043aca69b19f
MD5 hash: 58db43a9087d3af17522ac42343acbe1
humanhash: bluebird-cold-three-pennsylvania
File name:e-dekont.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'018'880 bytes
First seen:2024-04-22 08:28:11 UTC
Last seen:2024-04-22 10:45:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:fqtFWx8x1KhyMT4E2E/wMWnBTSemUgw1bIbDTqWHUD+qchmtaRr:AcUEyMHxWbuobEDTrHk5oR
TLSH T1E2257ED1F1908CDAED6B45F16D2AA93024A37E9D54A4C10D5A9EBB1736B3342209FF0F
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon eeacac8cb6e2ba86 (561 x SnakeKeylogger, 142 x AgentTesla, 40 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
339
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Sending a custom TCP request
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/66261fcec5dabc22b2056d4b/reports/ce4fb789-127e-4cd8-b69f-980eae7841b4/overview
Verdict:
Malicious
Labled as:
Ransom.Loki.Generic
Link:
https://www.hybrid-analysis.com/sample/bdadf851c69beb16aad5e8b8a69c665a27d74038edb1d7dc8633a361792ab73d
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/e37474dd-f6e3-46df-8efa-f772d3dd9ba8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1429526
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bdadf851c69beb16aad5e8b8a69c665a27d74038edb1d7dc8633a361792ab73d
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bdadf851c69beb16aad5e8b8a69c665a27d74038edb1d7dc8633a361792ab73d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-04-22 05:39:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xww7quogtpvrnkwv5c4knhdglit5oqby5wy5pxeggorwc6jkw46q._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240422-kdjm8she6v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads WinSCP keys stored on the system
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/bot7173542647:AAHOyS2Kb1SstUYRJkNEAZvsdUrvEvsz7dU/
Unpacked files
SH256 hash:
1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d
MD5 hash:
e4b5d57e9e46a4e76075b5b92f71577f
SHA1 hash:
d76dc165724148193c6911cc75fc62c198737d3a
Link:
https://www.unpac.me/results/d4fbef79-f096-4b3e-b1a3-50d62f11a74d/
Parent samples :
d89ea6a01347b82f963ed7960583e5d76c6a07e91852fae83bc290e0f64a06b2
3f700fd41c6cca501d50cc2f62afd8e0d951efc1a918aa65ab3e84ee563ff1d6
26a36920e7a463398a4251828ec02fd965ad1d782f819b0c04904706efb083be
SH256 hash:
0b8ce50168530bf0cb343b44f73db26252353b48843ad163b5c4d40f750b57d0
MD5 hash:
c1ec0dcd8de33cb2d41c7473e00a291a
SHA1 hash:
6c85c33563b9d3f4731b73ec9109b0832096739c
Link:
https://www.unpac.me/results/d4fbef79-f096-4b3e-b1a3-50d62f11a74d/
SH256 hash:
9f3f617a0e2b8bc4baa58b83d53d199cb86b136500f351f4d9ade17031569b75
MD5 hash:
0a10f7d9598b12ea9ae5a25277e26f1b
SHA1 hash:
3f644aca6ca4b10f752182e5e718a3f95b688aed
Detections:
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/d4fbef79-f096-4b3e-b1a3-50d62f11a74d/
Parent samples :
bdadf851c69beb16aad5e8b8a69c665a27d74038edb1d7dc8633a361792ab73d
a6db9168b669e03a0ba63baabd96c00882a9cb6de95e0945993fd720b8cfd391
SH256 hash:
bc7ea6c92d8abc82507393baf6b643616b6b9f29aa1e64ce24314a7d7ad67713
MD5 hash:
7e0aa2580830a8665a34f5eeb4ac75bd
SHA1 hash:
2fd9299078aac0357817026e062d6a467a4f230f
Link:
https://www.unpac.me/results/d4fbef79-f096-4b3e-b1a3-50d62f11a74d/
SH256 hash:
bdadf851c69beb16aad5e8b8a69c665a27d74038edb1d7dc8633a361792ab73d
MD5 hash:
58db43a9087d3af17522ac42343acbe1
SHA1 hash:
2d97c695aec999efa7fa8581d694043aca69b19f
Link:
https://www.unpac.me/results/d4fbef79-f096-4b3e-b1a3-50d62f11a74d/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bdadf851c69b/report/overview.html
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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

Malspam

Formbook

Executable exe bdadf851c69beb16aad5e8b8a69c665a27d74038edb1d7dc8633a361792ab73d

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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