MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5c9eb88e84d396ab177225746e25d5a0ea92424e2225371145c2ccddff01934. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d5c9eb88e84d396ab177225746e25d5a0ea92424e2225371145c2ccddff01934
SHA3-384 hash: 4bc130d9d7ea04446ee44a0ce322c53c8ca20ba7478b45e98c534805a7e1eed25244c92b7e0d63c67fa6d390c3e08563
SHA1 hash: 89ff3b1b80694a68d93f7bbb5a09991b7d5689ba
MD5 hash: f494bba0b58007a9e24b75710dba0b28
humanhash: michigan-bacon-finch-papa
File name:invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:903'680 bytes
First seen:2023-03-30 16:52:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:8jQfj9Oau7BVGLCXcA1MSqmWzFLSK5D+IPZGX:zbyiLURqn4K5iIPZk
Threatray 2'434 similar samples on MalwareBazaar
TLSH T1E115E044BD6239AEF8D2CF3685501E35961477B34217D20782B7289D6DCFAE78A801EF
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice.exe
Verdict:
Suspicious activity
Analysis date:
2023-03-30 16:53:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/825fe6fe-3ee0-41bd-8b4a-82fa91d2b8e7

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/378871/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6425be700dc8b8a71cf79439/reports/c34c6f89-df41-4a8c-851b-2c04e041ab96/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/d5c9eb88e84d396ab177225746e25d5a0ea92424e2225371145c2ccddff01934
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0922a7cd-f00d-4ad1-9f85-9c2cee7151c4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1205393
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 838309 Sample: invoice.exe Startdate: 30/03/2023 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 5 other signatures 2->38 8 invoice.exe 3 2->8         started        process3 file4 24 C:\Users\user\AppData\...\invoice.exe.log, ASCII 8->24 dropped 50 Detected unpacking (changes PE section rights) 8->50 52 Detected unpacking (overwrites its own PE header) 8->52 54 Writes to foreign memory regions 8->54 56 Injects a PE file into a foreign processes 8->56 12 MSBuild.exe 8->12         started        15 MSBuild.exe 8->15         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 12->58 60 Maps a DLL or memory area into another process 12->60 62 Sample uses process hollowing technique 12->62 64 Queues an APC in another process (thread injection) 12->64 17 explorer.exe 4 6 12->17 injected process8 dnsIp9 26 www.53876.world 103.107.236.133, 49698, 80 YISUCLOUDLTD-AS-APYISUCLOUDLTDHK Hong Kong 17->26 28 www.star-house.okinawa 183.181.84.3, 49711, 49712, 49713 VECTANTARTERIANetworksCorporationJP Japan 17->28 30 8 other IPs or domains 17->30 40 System process connects to network (likely due to code injection or exploit) 17->40 21 cmd.exe 13 17->21         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 21->42 44 Tries to harvest and steal browser information (history, passwords, etc) 21->44 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d5c9eb88e84d396ab177225746e25d5a0ea92424e2225371145c2ccddff01934/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-24 02:32:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2xe6xchiju4wvmlxejlunys5lihksjbe4irfg4iulqwm3x7qde2a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1159e2d483433bd5397e9a41dc4e8200fb927a6ca3192bb47eb6ae3a033ef94e
Formbook
179b98e2cb16a094755f853ae892b47948a8b6a83e7ca050d520e113ff180b2f
Formbook
1da1d27f8c3f4188f1767f87ae85c14e1fda3fa80142af97697864580f1a2397
Formbook
78fff929b8912e1b4d90a3be2e07fde0c1f08d45f3682bb009eabca909183f44
Formbook
987f477e626f57c4ba440be3016995b5b9d7365a422c0a1d9be524e4993def8a
Formbook
a9e8c821bdf65ec3bf80857646168be279506f299cc85b44c1f87864757e6a43
Formbook
c883e6286eeb6bf200ac5bf790b70ba5547f49d0fdc2b2626dccec7727fa7b70
Formbook
e1803249e33265318c9f806db079934571ee55c2554e001cee050bea59e06037
Formbook
fbf4c7eb349a55d1ff19fa05bf33bbe8c0264177c2d3907c5a97cedc61aa804e
Formbook
+ 2'424 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230330-vdy32aeh5t/
Behaviour
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
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
c68a4adbe3705fb04206db506a1f275fac3ad292e2fb45917ef2e1406c56c28e
MD5 hash:
fac7829d741bf3358a161c7c96ae064f
SHA1 hash:
7b5636dc6c53bd1ebeb21f73b92a1c5e7c8fde7e
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ca95e610-2c09-4a6f-b02e-bc991246b9e2/
Parent samples :
a9e8c821bdf65ec3bf80857646168be279506f299cc85b44c1f87864757e6a43
1b442bbacbc971f64a3bde3b15e0f287d032f6ed75c66dc2555874645aeb4dc3
d5c9eb88e84d396ab177225746e25d5a0ea92424e2225371145c2ccddff01934
SH256 hash:
76fdb5053adf81d54f6009f9b84cb4146dd5346d41283e18cb9a85145b3c4fac
MD5 hash:
4e823a7b122cd78b26cad3f2d50ac355
SHA1 hash:
94ddd5122173324004dad9ca62b90c73017205bf
Link:
https://www.unpac.me/results/ca95e610-2c09-4a6f-b02e-bc991246b9e2/
SH256 hash:
1f4eef8f178513e18f28747b6876502f41771b86f0e6cce1ec1a9e29cabb7adc
MD5 hash:
eae702c93b94b47d132da0f8b34f3675
SHA1 hash:
e7af4cdaeea976652a92fd4e0e5977cc565f4e98
Link:
https://www.unpac.me/results/ca95e610-2c09-4a6f-b02e-bc991246b9e2/
SH256 hash:
f7d0aee62427df2f43f6dbe03e0e5ab4b3f9016d56a4ef704a98d2d2eccf6f5f
MD5 hash:
b736d6d82481a5634b1a8cf500df9708
SHA1 hash:
b4e50c2ccd98201644247e200e57efeb99c93217
Link:
https://www.unpac.me/results/ca95e610-2c09-4a6f-b02e-bc991246b9e2/
SH256 hash:
cde0d3400cd787fce5d1b95fa52908d64831430cc90dafddbaa79ae0d03bb3d0
MD5 hash:
06a5bc1d3143bcac174d81c5ffc09def
SHA1 hash:
650fb4549fb98ee4c7be5e03bf670241e6339cd0
Link:
https://www.unpac.me/results/ca95e610-2c09-4a6f-b02e-bc991246b9e2/
SH256 hash:
8f0c7e3047346b8d6477ff6d4639fd6157602c7ebc840f3432b99263f1cb415c
MD5 hash:
e5b073b30db1b058298f5df032164e4d
SHA1 hash:
15d3ada4e7ac01b766615b9b66785e7e2ae9b0ca
Link:
https://www.unpac.me/results/ca95e610-2c09-4a6f-b02e-bc991246b9e2/
SH256 hash:
d5c9eb88e84d396ab177225746e25d5a0ea92424e2225371145c2ccddff01934
MD5 hash:
f494bba0b58007a9e24b75710dba0b28
SHA1 hash:
89ff3b1b80694a68d93f7bbb5a09991b7d5689ba
Link:
https://www.unpac.me/results/ca95e610-2c09-4a6f-b02e-bc991246b9e2/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d5c9eb88e84d/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/d5c9eb88e84d396ab177225746e25d5a0ea92424e2225371145c2ccddff01934

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

Executable exe d5c9eb88e84d396ab177225746e25d5a0ea92424e2225371145c2ccddff01934

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/378871/

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