MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0ae2b7437d3c579334053db2da6e1a3b4e0435fcdcc77bc11bcf58c6289a859. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b0ae2b7437d3c579334053db2da6e1a3b4e0435fcdcc77bc11bcf58c6289a859
SHA3-384 hash: d1e5ed039369f4c71fad16e4542e430ebba99c180ad4c908c9154ca2a4098a0809d849c9aa6ab38660f43993c0e5733e
SHA1 hash: 1669ced0e46deaaffb404725fa3162c540d6f086
MD5 hash: d9307c948c324d081e572845ffb7cabc
humanhash: bluebird-delta-mango-solar
File name:فاتورة 1550.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:723'456 bytes
First seen:2024-05-17 05:56:00 UTC
Last seen:2024-05-17 06:21:02 UTC
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:xM2iN3skSKSIwFl9e4FgHFyemxZipNU9jhDDLaZlwRyUqg8M1G3KUr/p:xM19JSNIe9e8g/sZiM9jx8iyHg8gGnrh
TLSH T181F4238C23C4C69FD7AB53B464EA411003709D07C2FAF28D1D8985D256A37F68A927FB
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
328
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
b0ae2b7437d3c579334053db2da6e1a3b4e0435fcdcc77bc11bcf58c6289a859.exe
Verdict:
Malicious activity
Analysis date:
2024-05-17 06:00:08 UTC
Tags:
evasion stealer agenttesla ftp exfiltration
Link:
https://app.any.run/tasks/0de91eff-5204-4cb5-8a3d-6962f04835cc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
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 file in the %temp% directory
Creating a process with a hidden window
Launching a process
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b0ae2b7437d3c579334053db2da6e1a3b4e0435fcdcc77bc11bcf58c6289a859
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/b8211cf2-6e91-464a-bf4d-11306749f59c
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1443119
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
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Loading BitLocker PowerShell Module
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1443119 Sample: #U0641#U0627#U062a#U0648#U0... Startdate: 17/05/2024 Architecture: WINDOWS Score: 100 30 ip-api.com 2->30 32 ftp.jeepcommerce.rs 2->32 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Sigma detected: Scheduled temp file as task from temp location 2->42 44 16 other signatures 2->44 8 #U0641#U0627#U062a#U0648#U0631#U0629 1550.exe 15 6 2->8         started        13 FbdRhPcJCCilTU.exe 3 2->13         started        signatures3 process4 dnsIp5 34 ip-api.com 208.95.112.1, 49706, 80 TUT-ASUS United States 8->34 36 ftp.jeepcommerce.rs 195.252.110.253, 21, 49708 BEOTEL-AShttpwwwbeotelnetRS Serbia 8->36 26 C:\Users\user\AppData\...\FbdRhPcJCCilTU.exe, PE32 8->26 dropped 28 C:\Users\user\AppData\Local\...\tmp8B9B.tmp, XML 8->28 dropped 46 Tries to steal Mail credentials (via file / registry access) 8->46 48 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->48 50 Tries to harvest and steal ftp login credentials 8->50 56 2 other signatures 8->56 15 powershell.exe 23 8->15         started        18 schtasks.exe 1 8->18         started        52 Multi AV Scanner detection for dropped file 13->52 54 Machine Learning detection for dropped file 13->54 file6 signatures7 process8 signatures9 58 Loading BitLocker PowerShell Module 15->58 20 WmiPrvSE.exe 15->20         started        22 conhost.exe 15->22         started        24 conhost.exe 18->24         started        process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b0ae2b7437d3c579334053db2da6e1a3b4e0435fcdcc77bc11bcf58c6289a859
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b0ae2b7437d3c579334053db2da6e1a3b4e0435fcdcc77bc11bcf58c6289a859/
Threat name:
ByteCode-MSIL.Trojan.RemLoader
Create hunting rule
Status:
Malicious
First seen:
2024-05-15 07:38:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wcxcw5bx2pcxsm2akpns3jxbuo2oaq27zxghpparxt2yyyujvbmq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240517-gm1fkacd5t/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Checks computer location settings
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
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
Link:
https://www.unpac.me/results/ea619e75-053a-4c8a-b4ec-ca237d0044cf/
SH256 hash:
fc806a89fef02aedc5253da6309f2f25b6fa9ff363d6f3d0616e38a46f3f08a9
MD5 hash:
d0161f8372f05ecdf67881c8fa343f8b
SHA1 hash:
884c40f9ae1faaa4554511b0e572456bfea55cbb
Detections:
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
MALWARE_Win_AgentTeslaV2
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/ea619e75-053a-4c8a-b4ec-ca237d0044cf/
Parent samples :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 hash:
975a454835e031a37b391a66f6fb5fd697ae369e501c6f2bce06af22a86dd2a2
MD5 hash:
fb7d3a274f7889af43e90cc2f6662d08
SHA1 hash:
68afefe7db5930e27e6f4fa9685f299bcab74277
Link:
https://www.unpac.me/results/ea619e75-053a-4c8a-b4ec-ca237d0044cf/
SH256 hash:
2e7798735ce46dc39c483de1b1ecd9fa452a3c408499c916b4b1f902ad3d279a
MD5 hash:
62323a809bbd29ea83731edd5dbe26e2
SHA1 hash:
21c361c88e0120c4430efe2f6d8cd5c430a9297f
Link:
https://www.unpac.me/results/ea619e75-053a-4c8a-b4ec-ca237d0044cf/
SH256 hash:
b0ae2b7437d3c579334053db2da6e1a3b4e0435fcdcc77bc11bcf58c6289a859
MD5 hash:
d9307c948c324d081e572845ffb7cabc
SHA1 hash:
1669ced0e46deaaffb404725fa3162c540d6f086
Link:
https://www.unpac.me/results/ea619e75-053a-4c8a-b4ec-ca237d0044cf/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b0ae2b7437d3/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/b0ae2b7437d3c579334053db2da6e1a3b4e0435fcdcc77bc11bcf58c6289a859

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:NET
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

File information

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

  
Delivery method
Other

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

Comments