MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 830b7b74693b870abe6d20862ab5f5ab206cdf6e49755d9d542c9124f6646c1e. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 830b7b74693b870abe6d20862ab5f5ab206cdf6e49755d9d542c9124f6646c1e
SHA3-384 hash: 147b7d1eb4709aeee7ea8c5a467065ef7491ded3382973dde07abd15cbf51414918c5ff0005be9b0fdb75203663dbf15
SHA1 hash: 047168559ddaa2408e5a260dd24b3476818400ef
MD5 hash: 52a39381c7a50d7d0a5800d41c5196f6
humanhash: hamper-purple-alabama-crazy
File name:Invoice & Packing List.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:811'520 bytes
First seen:2023-04-09 08:50:31 UTC
Last seen:2023-04-16 07:52:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:fp2iNxbc3gjdsQQx7BRi7vR1SEPIwkE6phrs078L9KW2Sc3Jbe:fp1oPGvRx5wrsGY9KPj
Threatray 2'644 similar samples on MalwareBazaar
TLSH T191058B012644C2D8F5E1B53E76384A2716F47C4E8BBE9AF1C6B279D379933CB90C2916
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter cocaman
Tags:exe FormBook INVOICE

Intelligence

File Origin
# of uploads :
2
# of downloads :
317
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice & Packing List.exe
Verdict:
Malicious activity
Analysis date:
2023-04-09 08:53:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2972d0ed-e660-4b22-8317-d3bdb2023b6f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/381103/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1842.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/64327c78c9a9e6a6d82870e6/reports/652a1b54-7b8b-42de-8bb8-71fbf55a24a0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/830b7b74693b870abe6d20862ab5f5ab206cdf6e49755d9d542c9124f6646c1e
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ca39d518-ed66-47fd-a711-f28875825bcd
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1210904
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 843818 Sample: Invoice_&_Packing_List.exe Startdate: 09/04/2023 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for URL or domain 2->64 66 5 other signatures 2->66 8 Invoice_&_Packing_List.exe 7 2->8         started        12 YbuHskAPq.exe 2 2->12         started        process3 file4 38 C:\Users\user\AppData\Roaming\YbuHskAPq.exe, PE32 8->38 dropped 40 C:\Users\...\YbuHskAPq.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp50FE.tmp, XML 8->42 dropped 44 C:\Users\...\Invoice_&_Packing_List.exe.log, ASCII 8->44 dropped 70 Uses schtasks.exe or at.exe to add and modify task schedules 8->70 72 Adds a directory exclusion to Windows Defender 8->72 74 Injects a PE file into a foreign processes 8->74 14 Invoice_&_Packing_List.exe 8->14         started        17 powershell.exe 18 8->17         started        19 powershell.exe 7 8->19         started        21 schtasks.exe 1 8->21         started        76 Multi AV Scanner detection for dropped file 12->76 78 Machine Learning detection for dropped file 12->78 signatures5 process6 signatures7 80 Modifies the context of a thread in another process (thread injection) 14->80 82 Maps a DLL or memory area into another process 14->82 84 Sample uses process hollowing technique 14->84 86 Queues an APC in another process (thread injection) 14->86 23 explorer.exe 2 1 14->23 injected 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        process8 dnsIp9 46 carcosainvest.com 206.54.190.30, 49714, 49715, 80 WZCOM-US United States 23->46 48 www.star-house.okinawa 183.181.84.3, 49712, 49713, 80 VECTANTARTERIANetworksCorporationJP Japan 23->48 50 13 other IPs or domains 23->50 68 System process connects to network (likely due to code injection or exploit) 23->68 33 svchost.exe 13 23->33         started        36 help.exe 23->36         started        signatures10 process11 signatures12 52 Tries to steal Mail credentials (via file / registry access) 33->52 54 Tries to harvest and steal browser information (history, passwords, etc) 33->54 56 Modifies the context of a thread in another process (thread injection) 33->56 58 Maps a DLL or memory area into another process 33->58
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/830b7b74693b870abe6d20862ab5f5ab206cdf6e49755d9d542c9124f6646c1e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-04-09 08:51:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qmfxw5djhodqvptnecdcvnpvvmqgzx3ojf2v3hkufsisj5tenqpa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
281905755d85f44072ff82b42789ad01d144ef1ed016cba569bcb73d3e98ee49
Formbook
456571cb765187fa0c2e5d5e95545614a3f41f82f502fde9a386b7cb8f7190c7
Formbook
7a7826e3a413ce0f8542b99933a8efd8ed5d7cf7ee293c6c99fe1ed74bdd50d5
Formbook
87bbce3aff8ba59a541bd7fdc7c8df35108dd3ca5829a50448d4efee6abaac1f
Formbook
92f8a10ac629bce80763a73e362d3266139f4367970bfcecb34b5c1f882f223c
Formbook
a0e5c335f0f479fec56a0e214fe7657e8d9b6f77cf5db53280ec1033c1dd2693
Formbook
a1896f4eab7631eb5e0daa3a5a9a9787cbb5ebc2324f4823f96e3d565b4875e6
Formbook
b284d003b3fe69db7b293a9ec8d080952f6190026bbd28f2e0ab22273197a080
Formbook
e05dd4fdf0071a4108eac210a9eeae5c2bfa44d80dc8eac941f4e4a0d1fc0aa1
Formbook
f0eef09d45e8b0edf907f9fa6f9bd84a33327f62359fef4b92508a413d68c1b3
Formbook
+ 2'634 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230409-kr54dsca3v/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
ae09f69ae1f8064255a4cc374070d4a882a3abba00639ee1c206eed3f2982e98
MD5 hash:
c75f4fc5f57dcfda371b334c7baa78b0
SHA1 hash:
608bea0ef153549552916b3089ac2b7334b07464
Link:
https://www.unpac.me/results/fb7809eb-0da6-4d77-a4bb-8c6690a665ab/
SH256 hash:
830b7b74693b870abe6d20862ab5f5ab206cdf6e49755d9d542c9124f6646c1e
MD5 hash:
52a39381c7a50d7d0a5800d41c5196f6
SHA1 hash:
047168559ddaa2408e5a260dd24b3476818400ef
Link:
https://www.unpac.me/results/fb7809eb-0da6-4d77-a4bb-8c6690a665ab/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/830b7b74693b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/830b7b74693b870abe6d20862ab5f5ab206cdf6e49755d9d542c9124f6646c1e

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: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.

Malspam

Formbook

rar 7d4c2c1d0d3ef33d0ccdaccd9343ceacad4803cf789d7ec5c6fd7680a7720012

Formbook

Executable exe 830b7b74693b870abe6d20862ab5f5ab206cdf6e49755d9d542c9124f6646c1e

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 7d4c2c1d0d3ef33d0ccdaccd9343ceacad4803cf789d7ec5c6fd7680a7720012
Cape
Cape
https://www.capesandbox.com/analysis/381103/
  
Dropped by
MD5 15914ad76ee05eb029e14428220daefe

Comments