MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42bd239d3bd699a9ef53e056e62e9146ba895c6348559498fd87704813d9a29a. 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: 19


Intelligence 19 IOCs YARA 16 File information Comments

SHA256 hash: 42bd239d3bd699a9ef53e056e62e9146ba895c6348559498fd87704813d9a29a
SHA3-384 hash: b2b31c274b18acd8509febe4e46e4ab607acbc2754d9708a131275cfd476cf727631e02e169555c6de61c26c44eb28d6
SHA1 hash: 82b6f9315164f668605a67ed539ed0145932e58c
MD5 hash: 4f20f38f858b32dde20c3aa16573d697
humanhash: nineteen-beryllium-butter-pizza
File name:Nuevo orden pdf.exe
Download: download sample
Signature Formbook
File size:672'768 bytes
First seen:2023-11-21 09:22:22 UTC
Last seen:2023-11-21 11:15:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:0JX4QtLaBlP2Gl9cWXGZKLVjKxI3R5GtycDOFcXbQHPdf:Z1vxK+3R5GtyGqf
Threatray 723 similar samples on MalwareBazaar
TLSH T13BE4022233A44C17E66E02F5A42541E44BB1EE23B524F39D1EA73BED1BF6BD186012D7
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 003069cccc71b200 (7 x AgentTesla, 1 x Loki, 1 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
320
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Nuevo orden pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-11-21 09:37:42 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
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 process with a hidden window
Creating a file in the %temp% directory
Launching a process
Sending a custom TCP request
Creating a file
Launching cmd.exe command interpreter
Using the Windows Management Instrumentation requests
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:
control lolbin packed
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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 malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1345693 Sample: Nuevo_orden_pdf.exe Startdate: 21/11/2023 Architecture: WINDOWS Score: 100 51 www.shosjhdj.sbs 2->51 53 www.nicklawsoncreative.com 2->53 55 15 other IPs or domains 2->55 71 Snort IDS alert for network traffic 2->71 73 Multi AV Scanner detection for domain / URL 2->73 75 Found malware configuration 2->75 77 14 other signatures 2->77 11 Nuevo_orden_pdf.exe 7 2->11         started        15 cNEsVsrOn.exe 5 2->15         started        signatures3 process4 file5 47 C:\Users\user\AppData\Roaming\cNEsVsrOn.exe, PE32 11->47 dropped 49 C:\Users\user\AppData\Local\...\tmpB1B9.tmp, XML 11->49 dropped 85 Uses schtasks.exe or at.exe to add and modify task schedules 11->85 87 Writes to foreign memory regions 11->87 89 Allocates memory in foreign processes 11->89 97 2 other signatures 11->97 17 RegSvcs.exe 11->17         started        20 powershell.exe 23 11->20         started        22 schtasks.exe 1 11->22         started        91 Antivirus detection for dropped file 15->91 93 Multi AV Scanner detection for dropped file 15->93 95 Machine Learning detection for dropped file 15->95 24 RegSvcs.exe 15->24         started        26 schtasks.exe 1 15->26         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 17->63 65 Maps a DLL or memory area into another process 17->65 67 Sample uses process hollowing technique 17->67 69 2 other signatures 17->69 28 explorer.exe 7 1 17->28 injected 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        process9 dnsIp10 57 de2c02a1.bvty1585.com.cname.scname.com 65.181.132.244, 49727, 80 PAIR-NETWORKSUS United States 28->57 59 www.i4stationary.com 154.197.224.139, 49726, 80 COMING-ASABCDEGROUPCOMPANYLIMITEDHK Seychelles 28->59 61 4 other IPs or domains 28->61 99 System process connects to network (likely due to code injection or exploit) 28->99 38 cmd.exe 28->38         started        41 wscript.exe 28->41         started        signatures11 process12 signatures13 79 Modifies the context of a thread in another process (thread injection) 38->79 81 Maps a DLL or memory area into another process 38->81 83 Tries to detect virtualization through RDTSC time measurements 38->83 43 cmd.exe 1 38->43         started        process14 process15 45 conhost.exe 43->45         started       
Threat name:
ByteCode-MSIL.Trojan.Swotter
Status:
Malicious
First seen:
2023-11-14 11:51:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:m0d5 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
edf6b069f10edd627fea8006a8a5a0a876dfe349d75221c6fc6ff1c3a528d3a1
MD5 hash:
abd77d2dee1f4d1273ea12f33ecfea58
SHA1 hash:
db2a87d11f76ea0fd1d5ab6db35f1a0f5a14cda8
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 Formbook
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
SH256 hash:
49d42d3d55a6b84ef11b5fc5f5a8949b56ebb653c9279230caa6652a72ca3ce4
MD5 hash:
72fcf22f20aef20e35db705459ee3fcb
SHA1 hash:
9255f323991e3a514957c06abcefbd880b39678b
SH256 hash:
42bd239d3bd699a9ef53e056e62e9146ba895c6348559498fd87704813d9a29a
MD5 hash:
4f20f38f858b32dde20c3aa16573d697
SHA1 hash:
82b6f9315164f668605a67ed539ed0145932e58c
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: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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
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

File information


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

Malspam

Formbook

Executable exe 42bd239d3bd699a9ef53e056e62e9146ba895c6348559498fd87704813d9a29a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments