MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 faa252f595975231e286495efd9163606d5675e40e1aa4532eb6a1b957c6a5c8. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: faa252f595975231e286495efd9163606d5675e40e1aa4532eb6a1b957c6a5c8
SHA3-384 hash: fa9eb2a670cf2fe63aa772c5f52713872f7736750316d8aef86fd00d29913861c59e011e5b0f12846e7c4aa8ce25afa3
SHA1 hash: c97f924202c10954c7bfcb8cfb5a64c6a069eb2b
MD5 hash: f1434f91b2ee01d0c0c2e7d4a6efe46a
humanhash: north-burger-floor-london
File name:OUR REF RFQ 6000066536 - PR 10023150.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:250'368 bytes
First seen:2023-08-21 07:26:20 UTC
Last seen:2023-08-29 08:36:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:sQdsI1dGoNJ2ZHfz/TACwvMnDIegPx8btlWBVJZtnfdpaN:4yfK/z7ACFIeEybPWBVNnfdo
Threatray 3'629 similar samples on MalwareBazaar
TLSH T1A9343911275C4B1BEB9F8B78E454A91886F281B6A38FE7527C94F5FCED03385DC061A2
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)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
267
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
OUR REF RFQ 6000066536 - PR 10023150.exe
Verdict:
Malicious activity
Analysis date:
2023-08-21 07:33:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e760b632-5077-4bb5-aaac-2ee935d1a533

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/443902/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.10940.6645.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/faa252f595975231e286495efd9163606d5675e40e1aa4532eb6a1b957c6a5c8
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/92f24115-a38a-48a9-8437-f66e0e075997
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1294332
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
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)
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 AntiVM3
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1294332 Sample: OUR_REF_RFQ_6000066536_-_PR... Startdate: 21/08/2023 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 6 other signatures 2->56 9 OUR_REF_RFQ_6000066536_-_PR_10023150.exe 16 5 2->9         started        14 Nrzwz.exe 14 5 2->14         started        16 Nrzwz.exe 4 2->16         started        process3 dnsIp4 48 files.catbox.moe 108.181.20.35, 443, 49723, 49724 ASN852CA Canada 9->48 40 C:\Users\user\AppData\Roaming40rzwz.exe, PE32 9->40 dropped 64 Writes to foreign memory regions 9->64 66 Injects a PE file into a foreign processes 9->66 18 MSBuild.exe 9->18         started        68 Multi AV Scanner detection for dropped file 14->68 21 MSBuild.exe 14->21         started        23 MSBuild.exe 16->23         started        25 MSBuild.exe 16->25         started        file5 signatures6 process7 signatures8 58 Maps a DLL or memory area into another process 18->58 60 Queues an APC in another process (thread injection) 18->60 27 kxdSviGTRcSiSR.exe 18->27 injected process9 process10 29 cmstp.exe 13 27->29         started        32 autofmt.exe 27->32         started        signatures11 70 Tries to steal Mail credentials (via file / registry access) 29->70 72 Tries to harvest and steal browser information (history, passwords, etc) 29->72 74 Modifies the context of a thread in another process (thread injection) 29->74 76 Maps a DLL or memory area into another process 29->76 34 explorer.exe 29->34 injected 38 kxdSviGTRcSiSR.exe 29->38 injected process12 dnsIp13 42 nasyoeastasia.org 192.185.129.44, 49814, 49815, 49816 UNIFIEDLAYER-AS-1US United States 34->42 44 www.thesoul.agency 217.160.0.65, 49809, 49810, 49811 ONEANDONE-ASBrauerstrasse48DE Germany 34->44 46 9 other IPs or domains 34->46 62 System process connects to network (likely due to code injection or exploit) 34->62 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/faa252f595975231e286495efd9163606d5675e40e1aa4532eb6a1b957c6a5c8/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-19 22:20:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7krff5mvs5jddyugjfpp3eldmbwvm5pebynkiuzow2q3sv6guxea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
40954a03ff9b5f841c40b1091fcea523c2ad99db64f20463a90ddd61e3ef38fe
Formbook
54ec929ab868528d647d285298b5ab71ef9aad83e1a3594b3d13f2a02f127d96
Formbook
64414bcde682d419e1b429c0ceafaefb3dbc8764c019bf0d770d8c0eee907692
Formbook
6cad63187657e8cf245910096f37936a9d749ad8c7747e078c636fdd3b63cef3
Formbook
77b2df747c5ded816a5baa3d1f38beaea588aa7f4d043d7b9e9c5d67991ad852
Formbook
a9887d11928a1c708e094571b877c96ced70c281a265eb7b34fb6103bbf5231b
Formbook
aee3fa1601e0521d9c628cb2fd13178a06c2f7923478742189026102cda8a494
Formbook
c1a46fa04740b97fb8ffd1a24b00a770dd5ccb929a66583ed48a4ce75da7c175
Formbook
+ 3'619 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/230821-h94beabe67/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Unpacked files
SH256 hash:
faa252f595975231e286495efd9163606d5675e40e1aa4532eb6a1b957c6a5c8
MD5 hash:
f1434f91b2ee01d0c0c2e7d4a6efe46a
SHA1 hash:
c97f924202c10954c7bfcb8cfb5a64c6a069eb2b
Link:
https://www.unpac.me/results/fa7068dc-7c24-4092-a82a-bf0c0f3d8143/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/faa252f595975231e286495efd9163606d5675e40e1aa4532eb6a1b957c6a5c8

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
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 faa252f595975231e286495efd9163606d5675e40e1aa4532eb6a1b957c6a5c8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/443902/

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