MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b945450823da69e9243b2e2a8beeb212418c263c724468e74469dc6180ec4e5. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments

SHA256 hash: 0b945450823da69e9243b2e2a8beeb212418c263c724468e74469dc6180ec4e5
SHA3-384 hash: 76e3831adc2be79ad394d030e2e2755fa44302108612a4bee8a8b31835693831b91ba3818232673d34b1694deea3cf48
SHA1 hash: 5c6d0e4f5bc670c9756238c87c63c1c66015bf48
MD5 hash: b239440927c90b6597daf69cb1b3ba35
humanhash: burger-high-queen-hot
File name:Payment Invoice.exe
Download: download sample
Signature Formbook
File size:871'424 bytes
First seen:2025-02-18 18:00:05 UTC
Last seen:2025-02-18 19:29:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:yMRHPv6tkVe/xaCbSVCMRnXoqldYCUSVJaMRH:yMZqaVeABYUd4SVJaMZ
Threatray 4'720 similar samples on MalwareBazaar
TLSH T12A05F1D13F36371ADEA85A319159DDB942B51E68B100BBF3A9EC7B87358C211AE0CF41
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
File icon (PE):PE icon
dhash icon 0cbef2e0e8cc80b0 (5 x SnakeKeylogger, 2 x Formbook, 1 x VIPKeylogger)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
480
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Invoice.exe
Verdict:
Suspicious activity
Analysis date:
2025-02-18 18:12:42 UTC
Tags:
netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
micro shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
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
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
MSIL/UserActivityMonitor.A potentially unsafe application
Result
Verdict:
SUSPICIOUS
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:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, 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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1618238 Sample: Payment Invoice.exe Startdate: 18/02/2025 Architecture: WINDOWS Score: 100 59 www.us-urbanservices.net 2->59 61 www.svapo-discount.net 2->61 63 6 other IPs or domains 2->63 75 Suricata IDS alerts for network traffic 2->75 77 Sigma detected: Scheduled temp file as task from temp location 2->77 79 Multi AV Scanner detection for submitted file 2->79 81 9 other signatures 2->81 10 Payment Invoice.exe 7 2->10         started        14 gZXxlD.exe 5 2->14         started        signatures3 process4 file5 51 C:\Users\user\AppData\Roaming\gZXxlD.exe, PE32 10->51 dropped 53 C:\Users\user\...\gZXxlD.exe:Zone.Identifier, ASCII 10->53 dropped 55 C:\Users\user\AppData\Local\...\tmp1B23.tmp, XML 10->55 dropped 57 C:\Users\user\...\Payment Invoice.exe.log, ASCII 10->57 dropped 91 Adds a directory exclusion to Windows Defender 10->91 16 Payment Invoice.exe 10->16         started        19 powershell.exe 23 10->19         started        21 powershell.exe 23 10->21         started        23 schtasks.exe 1 10->23         started        93 Multi AV Scanner detection for dropped file 14->93 95 Injects a PE file into a foreign processes 14->95 25 schtasks.exe 14->25         started        27 gZXxlD.exe 14->27         started        signatures6 process7 signatures8 71 Maps a DLL or memory area into another process 16->71 29 ikX5nGL1tEIydJP9lDiV.exe 16->29 injected 73 Loading BitLocker PowerShell Module 19->73 32 WmiPrvSE.exe 19->32         started        34 conhost.exe 19->34         started        36 conhost.exe 21->36         started        38 conhost.exe 23->38         started        40 conhost.exe 25->40         started        process9 signatures10 97 Found direct / indirect Syscall (likely to bypass EDR) 29->97 42 expand.exe 29->42         started        process11 signatures12 83 Tries to steal Mail credentials (via file / registry access) 42->83 85 Tries to harvest and steal browser information (history, passwords, etc) 42->85 87 Modifies the context of a thread in another process (thread injection) 42->87 89 3 other signatures 42->89 45 ikX5nGL1tEIydJP9lDiV.exe 42->45 injected 49 firefox.exe 42->49         started        process13 dnsIp14 65 www.us-urbanservices.net 185.125.27.32, 49872, 49890, 49907 INFOMANIAK-ASCH Switzerland 45->65 67 mercadoacheaqui.shop 185.173.109.83, 49962, 49980, 49999 TERRATRANSIT-ASDE Germany 45->67 69 4 other IPs or domains 45->69 99 Found direct / indirect Syscall (likely to bypass EDR) 45->99 signatures15
Threat name:
ByteCode-MSIL.Trojan.QuasarRAT
Status:
Malicious
First seen:
2025-02-18 17:08:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
0b945450823da69e9243b2e2a8beeb212418c263c724468e74469dc6180ec4e5
MD5 hash:
b239440927c90b6597daf69cb1b3ba35
SHA1 hash:
5c6d0e4f5bc670c9756238c87c63c1c66015bf48
SH256 hash:
d3ebab88f091026aa10b06a2c6a8e33a7c5164b9ae4baedab0929cbdf5db87c4
MD5 hash:
5d765573d5bc0290c0df88a3134a7eae
SHA1 hash:
305a93d6fb029dc61589ed466ede7b7a70b631e3
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SH256 hash:
0b7e1d155cd3ba4f4e210d4607a2250af9395bd6a35e4665bcd8fdab41e5dbb8
MD5 hash:
3fe37008d094823028a7990c48eb1dfa
SHA1 hash:
48b62371dd99ab892348637d9bbc34be5ec7d0db
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
61a14404122747070849ca3731601e7ebca6a9fc369a0e751893b10faf32b3cb
MD5 hash:
2c89745235f4acc9e95661f4c7eadf68
SHA1 hash:
962edae0982b9c3453de272eec55ebeef730ba56
SH256 hash:
bd9409f4a3cfa13eccab7711123dded890394ce01fe37720d0dafc6ffdc0e6b2
MD5 hash:
781d6fa2db1ee86f99a47474e989a7bd
SHA1 hash:
900e7fe381d91d83c25c78e450a50beaf7e94f88
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Malspam

Formbook

Executable exe 0b945450823da69e9243b2e2a8beeb212418c263c724468e74469dc6180ec4e5

(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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