MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1da98c2ee11e4f3adcb1cc4486f4e74c50b925442896a29890c3b525a186f7c4. 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 2 File information Comments
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SHA256 hash: 1da98c2ee11e4f3adcb1cc4486f4e74c50b925442896a29890c3b525a186f7c4
SHA3-384 hash: eabccf3eb7f3eaadbaa66b61122c81d61e5eefca93f4d134cca0157b3356e819a66976f6ce8d5c7efc1f91327bca0926
SHA1 hash: fe4add1fc3ba1f9e11fde8a421187d0d9de9d344
MD5 hash: a22d4d60e8b841971ed356767e922a3e
humanhash: nineteen-eighteen-aspen-sweet
File name:vylVpID8OZOylu9.exe
Download: download sample
Signature Formbook
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File size:888'320 bytes
First seen:2022-03-01 12:21:01 UTC
Last seen:2022-03-01 13:49:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:21EGjgA065JdNW4rQf65IStLIhqL2bb/:KEc15JrprQo1tLIYqbb
Threatray 14'612 similar samples on MalwareBazaar
TLSH T19115AE4835D6607DE8378BB2CAD4EFE0DB2DF222D54960B250020E199A0DBBD8D55EFD
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/245786/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.GSK.genEldorado.30207.24012.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/621e0fb1dfdfa8501c711b61/reports/9179152d-1eeb-40b3-96a1-c5f6f1b97e2b/overview
Result
Verdict:
UNKNOWN
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/6584b288-72d1-4597-8363-0a323e1075d1
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/948138
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicius Schtasks From Env Var Folder
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 580618 Sample: vylVpID8OZOylu9.exe Startdate: 01/03/2022 Architecture: WINDOWS Score: 100 37 store-images.s-microsoft.com 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 12 other signatures 2->45 8 vylVpID8OZOylu9.exe 7 2->8         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\XVlLyLPtcNZCPz.exe, PE32 8->29 dropped 31 C:\...\XVlLyLPtcNZCPz.exe:Zone.Identifier, ASCII 8->31 dropped 33 C:\Users\user\AppData\Local\...\tmp64A0.tmp, XML 8->33 dropped 35 C:\Users\user\...\vylVpID8OZOylu9.exe.log, ASCII 8->35 dropped 47 Uses schtasks.exe or at.exe to add and modify task schedules 8->47 49 Adds a directory exclusion to Windows Defender 8->49 51 Tries to detect virtualization through RDTSC time measurements 8->51 53 Injects a PE file into a foreign processes 8->53 12 vylVpID8OZOylu9.exe 8->12         started        15 powershell.exe 25 8->15         started        17 schtasks.exe 1 8->17         started        19 2 other processes 8->19 signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 12->55 57 Maps a DLL or memory area into another process 12->57 59 Queues an APC in another process (thread injection) 12->59 21 explorer.exe 1 127 12->21         started        23 explorer.exe 12->23 injected 25 conhost.exe 15->25         started        27 conhost.exe 17->27         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1da98c2ee11e4f3adcb1cc4486f4e74c50b925442896a29890c3b525a186f7c4/
Threat name:
Win32.Spyware.Noon
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Status:
Malicious
First seen:
2022-03-01 12:21:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 28 (71.43%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dwuyylxbdzhtvxfrzrcin5hhjrilsjkefclkfgeqyo2slimg67ca._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
070264132f92fc5cb01521385e73bf36954d4093da205c59821e844abed68b5f
Formbook
25c2cea54ad6c1b93026807e6a34e7278f4dbdb85fdd635cbcc83e7f247e3f19
Formbook
28c28db28e96276f72ce38a60d04f0711388d3f93ecb34d4721dc94fc2bf9f07
Formbook
3554e8a6c968467f681a97f7d0af60e7be69d515ee9b093b8be749811ec99c0b
Formbook
5645d9e38c998f5db43ae93e35339d7dca0a96b81f806b370624e7410e2eea0a
Formbook
60b97b4d45e3850d57a661bf37987909c1f99096384123594cc1b79d5449348f
Formbook
96077c533e59e3b8cf38826e5e37e35f1f2eb44d356eae6575223158b565198e
Formbook
9e41bc1734c4bc894acdc9c08568cb2f1cd01078fa9b5f30d6f18c6383c22863
Formbook
f725b6a2466a6f4c7084eeab5994e30b8ef836633c1a84d85c1899deb1808d3c
Formbook
+ 14'602 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:wcur loader rat suricata
Link:
https://tria.ge/reports/220301-pjbxssbefq/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a71e04393c332037ef9f5c99866d5b2cd4e2524fb2be999b4757f3a28c7d8a89
MD5 hash:
d3cd86eecdec2b5722775cba6e026644
SHA1 hash:
043539a3ee218e06b8b9b04c3c9c94a4d8e22798
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f4d1a9a8-2cdb-4555-b5b1-5f895e564af3/
Parent samples :
3554e8a6c968467f681a97f7d0af60e7be69d515ee9b093b8be749811ec99c0b
388099a4f3b1d9a56fd023c78c3130aa212632f04d6ba6399daa5ee9a5d398a1
1da98c2ee11e4f3adcb1cc4486f4e74c50b925442896a29890c3b525a186f7c4
f5c46286398236732b22a56856c6df79c9f627a01f7c2a2017af4fe7ff0dd783
20c6e04ec0f495415cbe40623958124996eb2edbae3c3ff295a979d41de888b3
06c8c127ef48c4409df79aa16dda350b4c9a098677f9e9d95bceb9538f32f8db
SH256 hash:
82ed6b10536db1344d0fbef527bc11f3fcc37fb462e3f1e12a9114ded2ca8e28
MD5 hash:
352d0984534e2f12e9e27a0a13dc2f50
SHA1 hash:
d3e81bc9b117588ce1ea10227c93e1034b117975
Link:
https://www.unpac.me/results/f4d1a9a8-2cdb-4555-b5b1-5f895e564af3/
SH256 hash:
e535b6d11e0f319b5c5e192dccf7b61e79e3110257875bb6b69337c90bee9d6b
MD5 hash:
a2773f874663e9867750dbc9da563650
SHA1 hash:
ec8d28e2e3508da09bdbbf4780d02902307581eb
Link:
https://www.unpac.me/results/f4d1a9a8-2cdb-4555-b5b1-5f895e564af3/
SH256 hash:
da8b48b39493fdcc2a2995de239d848666c3c95f8ef7bd941eb66ec12204e121
MD5 hash:
841d97577d4529f46cc91f7ca5c9e870
SHA1 hash:
9bd34ad086e13f284267bf2bd774f2de8b93ec49
Link:
https://www.unpac.me/results/f4d1a9a8-2cdb-4555-b5b1-5f895e564af3/
SH256 hash:
e3bdaf9e98eb65a070cf4424bc123e57ade151c41e4a0d375e769749155c1715
MD5 hash:
78a25e75b94923e889ecd100349facbe
SHA1 hash:
6b3f8db525d3c98f92ed480e664ab8ee9458340b
Link:
https://www.unpac.me/results/f4d1a9a8-2cdb-4555-b5b1-5f895e564af3/
SH256 hash:
1da98c2ee11e4f3adcb1cc4486f4e74c50b925442896a29890c3b525a186f7c4
MD5 hash:
a22d4d60e8b841971ed356767e922a3e
SHA1 hash:
fe4add1fc3ba1f9e11fde8a421187d0d9de9d344
Link:
https://www.unpac.me/results/f4d1a9a8-2cdb-4555-b5b1-5f895e564af3/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/1da98c2ee11e/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/1da98c2ee11e4f3adcb1cc4486f4e74c50b925442896a29890c3b525a186f7c4

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
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Rule name:Skystars_Malware_Imphash
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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 1da98c2ee11e4f3adcb1cc4486f4e74c50b925442896a29890c3b525a186f7c4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/245786/

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