MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 684b898fd7fed76973c556a948858f5aa69ecaca176fa5e856ecd246a8c57565. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 684b898fd7fed76973c556a948858f5aa69ecaca176fa5e856ecd246a8c57565
SHA3-384 hash: b79adeb0014e340949ec31c33c3b249657b456619f7269a4411abfe7bba5b7154691012048e1eed41966519d9c07143a
SHA1 hash: fdda6b1da9c657e840212518d3854acabb4cdbf3
MD5 hash: c392d4188393f4a82d6b47c3fc4099e2
humanhash: potato-fruit-august-georgia
File name:D02476723.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:761'856 bytes
First seen:2024-06-11 19:18:54 UTC
Last seen:2024-06-11 20:32:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:GX0pxoBV36Di8BtLySdcLrALrHpzNmZFwPExmG3tff/5Kg/guLU8GpX/4d9UeRSs:8BFKReQ/JzcFwPExNt/5F4CUbw1SFth
TLSH T12EF423853ADCA989C0FA4F74A171535443BA32A11956C74B8EC952EF63333B08B25E7F
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon ccc8a8cc30e06030 (10 x AgentTesla, 9 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
324
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
684b898fd7fed76973c556a948858f5aa69ecaca176fa5e856ecd246a8c57565.exe
Verdict:
Malicious activity
Analysis date:
2024-06-11 20:19:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d7a6f47c-171e-4ac0-972a-dc4893d6c3b9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2548.9031.25128.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6668a67ea439c6d6b0878205win7simulatehigh_evasion
Tags:
Banker Encryption Execution Swotter Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6668a330eae3878d8f3917b8/reports/a64356da-9253-43d4-914e-82406bbf8390/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/684b898fd7fed76973c556a948858f5aa69ecaca176fa5e856ecd246a8c57565
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/653a454e-cddf-4034-905b-bf168b35c7bf
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1455498
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus detection for URL or domain
Deletes itself after installation
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1455498 Sample: D02476723.exe Startdate: 11/06/2024 Architecture: WINDOWS Score: 100 37 yaw99.top 2->37 39 www.yaw99.top 2->39 41 22 other IPs or domains 2->41 49 Snort IDS alert for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 6 other signatures 2->55 10 D02476723.exe 4 2->10         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\D02476723.exe.log, ASCII 10->35 dropped 67 Adds a directory exclusion to Windows Defender 10->67 69 Injects a PE file into a foreign processes 10->69 14 D02476723.exe 10->14         started        17 powershell.exe 23 10->17         started        signatures6 process7 signatures8 71 Maps a DLL or memory area into another process 14->71 19 HlceWcRVBQKLsK.exe 14->19 injected 73 Loading BitLocker PowerShell Module 17->73 22 WmiPrvSE.exe 17->22         started        24 conhost.exe 17->24         started        process9 signatures10 57 Found direct / indirect Syscall (likely to bypass EDR) 19->57 26 wscript.exe 13 19->26         started        process11 signatures12 59 Tries to steal Mail credentials (via file / registry access) 26->59 61 Tries to harvest and steal browser information (history, passwords, etc) 26->61 63 Deletes itself after installation 26->63 65 4 other signatures 26->65 29 HlceWcRVBQKLsK.exe 26->29 injected 33 firefox.exe 26->33         started        process13 dnsIp14 43 pricekaboom.com 185.31.240.240, 49778, 49779, 49780 ZONEZoneMediaOUEE Estonia 29->43 45 www.aramoj.info 203.161.43.228, 49761, 49762, 49763 VNPT-AS-VNVNPTCorpVN Malaysia 29->45 47 10 other IPs or domains 29->47 75 Found direct / indirect Syscall (likely to bypass EDR) 29->75 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/684b898fd7fed76973c556a948858f5aa69ecaca176fa5e856ecd246a8c57565
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/684b898fd7fed76973c556a948858f5aa69ecaca176fa5e856ecd246a8c57565/
Threat name:
Win32.Trojan.Leonem
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Status:
Malicious
First seen:
2024-06-10 09:15:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nbfytd6x73lws46fk2uurbmplktj5swkc5x2l2cw5tjenkgfovsq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/240611-x1jb7sybnk/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/aa7550ab-3383-43e0-8997-c5ef6fa047fc
Unpacked files
SH256 hash:
ac3b79785143604a2403ade55b25212602967425dd971803df17d6efa666ca69
MD5 hash:
02f636d92ced5dc62c9fc24ab101e250
SHA1 hash:
c19c9550c3f23637df97e1bf7b86a903491f4830
Link:
https://www.unpac.me/results/cb08d22b-463c-4ba4-9196-fbfb437e524c/
SH256 hash:
55e1ac495540abe5f3832714d2f42df045964eb9b10e5312bb32d0a81e65878c
MD5 hash:
a8e5055f74665b2e11b167a1765e035b
SHA1 hash:
1751473a2885002ab57ba1c35c1d3d60a842d3af
Link:
https://www.unpac.me/results/cb08d22b-463c-4ba4-9196-fbfb437e524c/
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
Link:
https://www.unpac.me/results/cb08d22b-463c-4ba4-9196-fbfb437e524c/
SH256 hash:
bede3d55949eb99e64cb073dc1603722aa5abe5c80058e109acb35c6a6a61ded
MD5 hash:
e49cbdc6ed82a5a5cc0e1fa230f48933
SHA1 hash:
8fa312ab5528887b4ac8a4738dc93d31585017ee
Link:
https://www.unpac.me/results/cb08d22b-463c-4ba4-9196-fbfb437e524c/
SH256 hash:
6243c709db7165f4a84036c0544b462ee9539412c61de6151a6aa18465659e48
MD5 hash:
5166d8930d5a1bf5a1738cc180587975
SHA1 hash:
4316633ea531432ff67776d1e59dcf8481a7cbbc
Link:
https://www.unpac.me/results/cb08d22b-463c-4ba4-9196-fbfb437e524c/
SH256 hash:
684b898fd7fed76973c556a948858f5aa69ecaca176fa5e856ecd246a8c57565
MD5 hash:
c392d4188393f4a82d6b47c3fc4099e2
SHA1 hash:
fdda6b1da9c657e840212518d3854acabb4cdbf3
Link:
https://www.unpac.me/results/cb08d22b-463c-4ba4-9196-fbfb437e524c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/684b898fd7fed76973c556a948858f5aa69ecaca176fa5e856ecd246a8c57565

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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

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 (HIGH_ENTROPY_VA)high

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