MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a5ecb542145e7b9cc78d7f3d55a3b5d5183b8c5e7fb604c35085485127de7f4. 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: 18


Intelligence 18 IOCs YARA 16 File information Comments

SHA256 hash: 5a5ecb542145e7b9cc78d7f3d55a3b5d5183b8c5e7fb604c35085485127de7f4
SHA3-384 hash: 49691de895df157e68ccf446a965d182780ede0d71f08fb1249ae37168bbca2bcbacca2d75ebe97ca9c2cba766f0bb6b
SHA1 hash: 80c7c30f95a7821186e8f566c02aea4898e3d190
MD5 hash: 6e9319dca3bfbcefce52d8c1ee590b7b
humanhash: october-lima-november-mockingbird
File name:Invoce packing listpdf.exe
Download: download sample
Signature Formbook
File size:947'712 bytes
First seen:2025-01-27 17:48:40 UTC
Last seen:2025-01-27 18:17:32 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:Cd0NmhWSft/ywIYHeRP+cuYWqV/WNyHZGijPSJAjHFHSUw0fedLGL31d8B8dkc9V:w0YhWIBywpUH5bgijq2dPw
TLSH T121153BDC3620339ECC67D579CA686C74E7603476630B629390D713EA7A4C693DF18AA3
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
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
147
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Invocepackinglistpdf.exe
Verdict:
Malicious activity
Analysis date:
2025-01-27 17:57:06 UTC
Tags:
formbook stealer xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
micro shell spawn
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
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to resolve many domain names, but no domain seems valid
Uses netstat to query active network connections and open ports
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: 1600600 Sample: Invoce packing listpdf.exe Startdate: 27/01/2025 Architecture: WINDOWS Score: 100 60 www.zliving.xyz 2->60 62 www.ubbs.xyz 2->62 64 10 other IPs or domains 2->64 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus detection for URL or domain 2->82 86 13 other signatures 2->86 11 Invoce packing listpdf.exe 7 2->11         started        15 nXFySbbIRNPzW.exe 5 2->15         started        signatures3 84 Performs DNS queries to domains with low reputation 62->84 process4 file5 52 C:\Users\user\AppData\...\nXFySbbIRNPzW.exe, PE32 11->52 dropped 54 C:\...\nXFySbbIRNPzW.exe:Zone.Identifier, ASCII 11->54 dropped 56 C:\Users\user\AppData\Local\...\tmpADFC.tmp, XML 11->56 dropped 58 C:\Users\...\Invoce packing listpdf.exe.log, ASCII 11->58 dropped 96 Adds a directory exclusion to Windows Defender 11->96 17 RegSvcs.exe 11->17         started        20 powershell.exe 23 11->20         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        98 Antivirus detection for dropped file 15->98 100 Multi AV Scanner detection for dropped file 15->100 102 Machine Learning detection for dropped file 15->102 26 RegSvcs.exe 15->26         started        28 schtasks.exe 15->28         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 17->66 68 Maps a DLL or memory area into another process 17->68 70 Sample uses process hollowing technique 17->70 76 2 other signatures 17->76 30 explorer.exe 92 1 17->30 injected 72 Loading BitLocker PowerShell Module 20->72 33 WmiPrvSE.exe 20->33         started        35 conhost.exe 20->35         started        37 conhost.exe 22->37         started        39 conhost.exe 24->39         started        74 Found direct / indirect Syscall (likely to bypass EDR) 26->74 41 conhost.exe 28->41         started        process9 signatures10 104 Uses netstat to query active network connections and open ports 30->104 43 NETSTAT.EXE 30->43         started        46 chkdsk.exe 30->46         started        process11 signatures12 88 Modifies the context of a thread in another process (thread injection) 43->88 90 Maps a DLL or memory area into another process 43->90 92 Tries to detect virtualization through RDTSC time measurements 43->92 94 Switches to a custom stack to bypass stack traces 43->94 48 cmd.exe 43->48         started        process13 process14 50 conhost.exe 48->50         started       
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Status:
Malicious
First seen:
2025-01-27 16:54:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:b02a discovery execution rat spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
002c156e5f4573764abf75ab2d196ffc726baaee431ad52ae5ed8b42bae02524
MD5 hash:
744d45555ed7f9be6238c07e91f4ed28
SHA1 hash:
1fb26e345a979d144cf8fbcffef413c4d41f7676
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SH256 hash:
608f8d9a453d13cf31bb074ce37bb80b85f1271343a0a814ed11e4b7f5680cc3
MD5 hash:
dbf081abfc64005bb8817f82c9db73f9
SHA1 hash:
1a4e47f97ecb3a92308c20a65a1f9992b26ae6bf
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
5a5ecb542145e7b9cc78d7f3d55a3b5d5183b8c5e7fb604c35085485127de7f4
MD5 hash:
6e9319dca3bfbcefce52d8c1ee590b7b
SHA1 hash:
80c7c30f95a7821186e8f566c02aea4898e3d190
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
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:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
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.

  
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