MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a22ceae93aaa67517da2c5b452cb32136cd7395bfd3f292af6748fdf10c3c671. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a22ceae93aaa67517da2c5b452cb32136cd7395bfd3f292af6748fdf10c3c671
SHA3-384 hash: 60d9917534cf541fe9ebcc1b5644455519f941c33d767e5c3cd0aaf770c2f4adf8a5148ddcde04b900440c8301e12bcb
SHA1 hash: 303a6d487889fb468d171e096333b63111bf7d97
MD5 hash: b237ba996c4c924dacf8f2b4737dbd71
humanhash: comet-black-blue-queen
File name:PO20240604005.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:751'616 bytes
First seen:2024-06-06 15:23:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:HE3qyJMVUxiDWGkR1dU9A+sPOvk1H2Ea2Ba8uiiV5fXGxrmoZROtV3Ka:k6Ofxdw4POvkJ2Eaz8uihxrm44tNKa
TLSH T180F4124866A89602D5FA87F9045551411F3639261A22C758CEC228EE9F32BD1FF1FF2F
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 31f0d4b2b2f0e871 (10 x AgentTesla, 8 x Formbook, 3 x Loki)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
309
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a22ceae93aaa67517da2c5b452cb32136cd7395bfd3f292af6748fdf10c3c671.exe
Verdict:
Malicious activity
Analysis date:
2024-06-06 16:15:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b9e78a5f-d586-45c3-80f9-3dc09b340c0d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Pwsx-10031556-0
Create hunting rule

Win.Packed.Generic-10031557-0
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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:
89%
Tags:
packed
Link:
https://www.filescan.io/uploads/6661d498ea679c2da917f71b/reports/106caf04-2723-48f0-8ea5-7b1eb1b52f39/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a22ceae93aaa67517da2c5b452cb32136cd7395bfd3f292af6748fdf10c3c671
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/72c480d8-660d-4d15-8eb1-5b42b7e5377b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1453166
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1453166 Sample: PO20240604005.exe Startdate: 06/06/2024 Architecture: WINDOWS Score: 100 37 yaw99.top 2->37 39 www.yaw99.top 2->39 41 23 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 9 other signatures 2->55 10 PO20240604005.exe 4 2->10         started        signatures3 process4 file5 35 C:\Users\user\...\PO20240604005.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 PO20240604005.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 oJqzslSgvLfkL.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 Modifies the context of a thread in another process (thread injection) 26->63 65 2 other signatures 26->65 29 oJqzslSgvLfkL.exe 26->29 injected 33 firefox.exe 26->33         started        process13 dnsIp14 43 pricekaboom.com 185.31.240.240, 56563, 56564, 56565 ZONEZoneMediaOUEE Estonia 29->43 45 www.aramoj.info 203.161.43.228, 56547, 56548, 56549 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/a22ceae93aaa67517da2c5b452cb32136cd7395bfd3f292af6748fdf10c3c671
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a22ceae93aaa67517da2c5b452cb32136cd7395bfd3f292af6748fdf10c3c671/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-06-05 07:38:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uiwov2j2vjtvc7ncyw2ffszscnwnook37u7sskxwosh56egdyzyq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution spyware stealer
Link:
https://tria.ge/reports/240606-ss225afg8y/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
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
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
ac3b79785143604a2403ade55b25212602967425dd971803df17d6efa666ca69
MD5 hash:
02f636d92ced5dc62c9fc24ab101e250
SHA1 hash:
c19c9550c3f23637df97e1bf7b86a903491f4830
Link:
https://www.unpac.me/results/77e86dad-1653-4727-b907-0e8e8e902e29/
SH256 hash:
55e1ac495540abe5f3832714d2f42df045964eb9b10e5312bb32d0a81e65878c
MD5 hash:
a8e5055f74665b2e11b167a1765e035b
SHA1 hash:
1751473a2885002ab57ba1c35c1d3d60a842d3af
Link:
https://www.unpac.me/results/77e86dad-1653-4727-b907-0e8e8e902e29/
SH256 hash:
c33f4dd8ddce7fcbaaf1c3db97943ce68eff43fcad18776ca9286217899355d3
MD5 hash:
64470392c6d2f3baa829fe148dfdf56c
SHA1 hash:
8fb5b344ff22142bcc58dd68fd768f2abfc013d3
Link:
https://www.unpac.me/results/77e86dad-1653-4727-b907-0e8e8e902e29/
SH256 hash:
062e3c03a5ab670d88342896c9ea18d6fff9b1dc194f44c42ed2c42bf90af089
MD5 hash:
c6d0f4252fb3f72553588c9068fc4501
SHA1 hash:
17aa65bbfec7ad529bce294fbf6d674515538779
Link:
https://www.unpac.me/results/77e86dad-1653-4727-b907-0e8e8e902e29/
SH256 hash:
55729815a6ad44739f2af0c7a7096f4153fcc109d440f23d0d609065e96b625e
MD5 hash:
82a8fdab718d8d9c1c82472293a72e3d
SHA1 hash:
042c0d08baf858128d32c01476380e142891456e
Link:
https://www.unpac.me/results/77e86dad-1653-4727-b907-0e8e8e902e29/
SH256 hash:
a22ceae93aaa67517da2c5b452cb32136cd7395bfd3f292af6748fdf10c3c671
MD5 hash:
b237ba996c4c924dacf8f2b4737dbd71
SHA1 hash:
303a6d487889fb468d171e096333b63111bf7d97
Link:
https://www.unpac.me/results/77e86dad-1653-4727-b907-0e8e8e902e29/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a22ceae93aaa/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/a22ceae93aaa67517da2c5b452cb32136cd7395bfd3f292af6748fdf10c3c671

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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