MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4e016f81ae94b30829cde12b6f2e5491b389042dffbe1d4f2568b53b08ac338. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: c4e016f81ae94b30829cde12b6f2e5491b389042dffbe1d4f2568b53b08ac338
SHA3-384 hash: 00c8eb74baaf3abc1f5bf8c5bd106a54ddb81320991a875f1d0e2c300b73bd8d7cc2a8d0fd2e0b7d2bdad86bfb867e2b
SHA1 hash: c0239e54dde27b616190dac68575ca49bf29cdea
MD5 hash: 8a380b585835b98c5b44204c7511c663
humanhash: fanta-edward-timing-rugby
File name:z46Ordendecompraurgente___s__x__l__x___.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:2'851'397 bytes
First seen:2024-07-12 14:21:18 UTC
Last seen:2024-07-23 09:51:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:bEziwomHqtmR3rl9h2R/Om/VYLHR3SdIP:1mKERJ9hWxKTP
Threatray 82 similar samples on MalwareBazaar
TLSH T1B7D59E91BA478C87FC1212B1C8DAB9F010FD5D5B70F4520FEF667E1266B227E106693A
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 1c189bda9b2d575b (14 x Formbook, 4 x SnakeKeylogger, 2 x DarkTortilla)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
6
# of downloads :
387
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c4e016f81ae94b30829cde12b6f2e5491b389042dffbe1d4f2568b53b08ac338.exe
Verdict:
Malicious activity
Analysis date:
2024-07-12 14:25:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d3d936af-c982-4638-9687-910ea7e52f6d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.PWSX-gen.29831.14398.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66913c0d3bfaa4adffc8373fwin7simulatehigh_evasion
Tags:
Banker Encryption Execution Network Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Blocking the User Account Control
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Enabling autorun
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
overlay
Link:
https://www.filescan.io/uploads/66913c0d7a9d16520070e732/reports/f5c99399-db29-4434-8fc2-416880dfc3bb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/c4e016f81ae94b30829cde12b6f2e5491b389042dffbe1d4f2568b53b08ac338
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/db1b50ab-5122-4b5b-8121-d61353962961
Result
Threat name:
Coinhive, FormBook, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1472329
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
Disables UAC (registry)
Downloads suspicious files via Chrome
Found direct / indirect Syscall (likely to bypass EDR)
Found strings related to Crypto-Mining
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Switches to a custom stack to bypass stack traces
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 Coinhive miner
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1472329 Sample: z46Ordendecompraurgente___s... Startdate: 12/07/2024 Architecture: WINDOWS Score: 100 77 www.vertilehub.xyz 2->77 79 xiaoyue.zhuangkou.com 2->79 81 31 other IPs or domains 2->81 105 Snort IDS alert for network traffic 2->105 107 Malicious sample detected (through community Yara rule) 2->107 109 Antivirus detection for URL or domain 2->109 113 11 other signatures 2->113 11 z46Ordendecompraurgente___s__x__l__x___.exe 1 4 2->11         started        14 iexplore.exe 2->14         started        16 svchost.exe 2->16         started        19 iexplore.exe 2->19         started        signatures3 111 Performs DNS queries to domains with low reputation 77->111 process4 dnsIp5 121 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->121 123 Writes to foreign memory regions 11->123 125 Allocates memory in foreign processes 11->125 127 3 other signatures 11->127 21 iexplore.exe 11->21         started        24 powershell.exe 23 11->24         started        26 WerFault.exe 19 16 11->26         started        32 3 other processes 11->32 28 iexplore.exe 101 14->28         started        75 127.0.0.1 unknown unknown 16->75 30 iexplore.exe 19->30         started        signatures6 process7 signatures8 115 Maps a DLL or memory area into another process 21->115 34 MUOcsGNCsxaWzhijHPfxKgwV.exe 21->34 injected 117 Loading BitLocker PowerShell Module 24->117 37 WmiPrvSE.exe 24->37         started        39 conhost.exe 24->39         started        41 iexplore.exe 28->41         started        44 iexplore.exe 28->44         started        process9 dnsIp10 103 Found direct / indirect Syscall (likely to bypass EDR) 34->103 46 sc.exe 1 13 34->46         started        91 code.jquery.com 151.101.194.137, 443, 49759, 49760 FASTLYUS United States 41->91 93 sb.scorecardresearch.com 108.138.192.9, 443, 49751, 49752 AMAZON-02US United States 41->93 49 ie_to_edge_stub.exe 41->49         started        51 ssvagent.exe 41->51         started        95 prod.appnexus.map.fastly.net 151.101.1.108, 443, 49791, 49792 FASTLYUS United States 44->95 signatures11 process12 signatures13 129 Tries to steal Mail credentials (via file / registry access) 46->129 131 Tries to harvest and steal browser information (history, passwords, etc) 46->131 133 Modifies the context of a thread in another process (thread injection) 46->133 135 3 other signatures 46->135 53 MUOcsGNCsxaWzhijHPfxKgwV.exe 46->53 injected 57 firefox.exe 46->57         started        59 msedge.exe 49->59         started        process14 dnsIp15 83 www.vertilehub.xyz 203.161.49.220, 49835, 49836, 57677 VNPT-AS-VNVNPTCorpVN Malaysia 53->83 85 www.xuzfceth.com 152.32.156.214, 57679, 57680, 57681 UHGL-AS-APUCloudHKHoldingsGroupLimitedHK Hong Kong 53->85 89 10 other IPs or domains 53->89 119 Found direct / indirect Syscall (likely to bypass EDR) 53->119 87 239.255.255.250 unknown Reserved 59->87 69 C:\Users\user\AppData\...\adblock_snippet.js, ASCII 59->69 dropped 71 C:\Users\user\AppData\Local\Temp\...\Part-FR, data 59->71 dropped 73 C:\Users\user\AppData\Local\Temp\...\Part-RU, DOS 59->73 dropped 62 msedge.exe 59->62         started        65 msedge.exe 59->65         started        67 msedge.exe 59->67         started        file16 signatures17 process18 dnsIp19 97 www.nireusboats.com 62->97 99 nireusboats.com 62->99 101 8 other IPs or domains 62->101
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c4e016f81ae94b30829cde12b6f2e5491b389042dffbe1d4f2568b53b08ac338
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c4e016f81ae94b30829cde12b6f2e5491b389042dffbe1d4f2568b53b08ac338/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-07-12 13:25:44 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ytqbn6a25fftbau43yjln4xfjentrecc3756dvhsk2fvhmekym4a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
195b26d8d5b91e3bdbf3c78679ef495687b6278f0e98e147bc13e1e634987619
Formbook
46c56c73ef7f015efc0324de490c11519ff43d6e822967df67d3dde2ad9df8e8
Formbook
67bec7baee14d70a85f1277f311290c65dd4500848db28f9ded74b2ff9772586
Formbook
6fff1f87203cf11d9e314031c01680eb7220a5fd478dd08fd682ceeafd21c955
Formbook
74f7be7a0e6e10f0209d700876ab03eb9d37cdcab79c0def5d536eb8accbf49f
Formbook
c4e016f81ae94b30829cde12b6f2e5491b389042dffbe1d4f2568b53b08ac338
Formbook
+ 72 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion execution persistence trojan
Link:
https://tria.ge/reports/240712-rpj7gazaqe/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Launches sc.exe
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Adds policy Run key to start application
Command and Scripting Interpreter: PowerShell
UAC bypass
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3a66ad41-6172-4ee6-ab05-64748c42f3c8
Unpacked files
SH256 hash:
c4e016f81ae94b30829cde12b6f2e5491b389042dffbe1d4f2568b53b08ac338
MD5 hash:
8a380b585835b98c5b44204c7511c663
SHA1 hash:
c0239e54dde27b616190dac68575ca49bf29cdea
Link:
https://www.unpac.me/results/58f5a699-1832-487b-8b15-0591fb628f01/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c4e016f81ae94b30829cde12b6f2e5491b389042dffbe1d4f2568b53b08ac338

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_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Malspam

Formbook

Executable exe c4e016f81ae94b30829cde12b6f2e5491b389042dffbe1d4f2568b53b08ac338

(this sample)

  
Delivery method
Distributed via e-mail attachment

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 (GUARD_CF)high

Comments