MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1301d283131415be83cf752a2b7969e9530bdd4e1ee43cb561717ab6040618c7. 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 4 File information Comments

SHA256 hash: 1301d283131415be83cf752a2b7969e9530bdd4e1ee43cb561717ab6040618c7
SHA3-384 hash: 6f8a0af6c7b088b5c7774cd3c68532f90a4697c427a896bee80e07641ef1f4e82160260feb7708a78de4faad57ce13e7
SHA1 hash: 4c7f7c00d4a06632bf56a052b370e43e0c8053e7
MD5 hash: eb088d994d30fcefa41df30d26e44432
humanhash: violet-september-red-alabama
File name:vyXdD0T5TfvHeM2.exe
Download: download sample
Signature Formbook
File size:837'632 bytes
First seen:2021-11-17 02:45:09 UTC
Last seen:2021-11-19 13:07:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 12288:OlYohCcfZ/2Yp4mtdro23XvG3U31N0Ikh52h2iHhUPS2zG9+aw9cNq0p2W:bk/2Yp4kUMeUX83iBUPjZqN
Threatray 11'218 similar samples on MalwareBazaar
TLSH T14105F12637B45F13C5BE87F49626814407F67259A3ABEB0E1DD3B0DB3E36B914642A03
File icon (PE):PE icon
dhash icon c8c4e2f934dc2e16 (10 x Loki, 6 x Formbook, 6 x AgentTesla)
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vyXdD0T5TfvHeM2.exe
Verdict:
Malicious activity
Analysis date:
2021-11-17 05:29:55 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
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
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: CMSTP Execution Process Creation
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 523365 Sample: vyXdD0T5TfvHeM2.exe Startdate: 17/11/2021 Architecture: WINDOWS Score: 100 43 www.offshorevolt.com 2->43 45 offshorevolt.com 2->45 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 8 other signatures 2->59 11 vyXdD0T5TfvHeM2.exe 7 2->11         started        signatures3 process4 file5 39 C:\Users\user\AppData\Roaming\Zuswyn.exe, PE32 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmpF0EB.tmp, XML 11->41 dropped 63 Uses schtasks.exe or at.exe to add and modify task schedules 11->63 65 Adds a directory exclusion to Windows Defender 11->65 67 Tries to detect virtualization through RDTSC time measurements 11->67 69 Injects a PE file into a foreign processes 11->69 15 vyXdD0T5TfvHeM2.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 79 Modifies the context of a thread in another process (thread injection) 15->79 81 Maps a DLL or memory area into another process 15->81 83 Sample uses process hollowing technique 15->83 85 Queues an APC in another process (thread injection) 15->85 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 dnsIp10 47 www.254scenicroadhighton.com 52.147.15.202, 49814, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 22->47 49 www.lj0008lj.net 119.13.87.210, 49808, 80 ISEEK-AS-APiseekCommunicationsPtyLtdAU Australia 22->49 51 5 other IPs or domains 22->51 61 System process connects to network (likely due to code injection or exploit) 22->61 30 cmstp.exe 22->30         started        33 autochk.exe 22->33         started        signatures11 process12 signatures13 71 Self deletion via cmd delete 30->71 73 Modifies the context of a thread in another process (thread injection) 30->73 75 Maps a DLL or memory area into another process 30->75 77 Tries to detect virtualization through RDTSC time measurements 30->77 35 cmd.exe 1 30->35         started        process14 process15 37 conhost.exe 35->37         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-17 01:06:32 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:a96n loader rat suricata
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
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.w8sf.com/a96n/
Unpacked files
SH256 hash:
0eaaffd07d0cf6d9b7abcb685b38542a9f4dc0383f900e10fb86f4a74ab7a09a
MD5 hash:
9cccfff14409a4b85b02cb6b71765d74
SHA1 hash:
0245f134b1752e97ab2fd05a1d4d899c83e680dd
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
SH256 hash:
319aa7640c6b54eeba9c2a9f042a5b2ff01e8045963b1baf688f7d23a350fc9b
MD5 hash:
ffb1ce93b185640dd2c095ec83f4523e
SHA1 hash:
356a096b7e58f26bcc107be122090c5c3ce381a2
SH256 hash:
b3205257aa9788b0a76200fa94b907681a47ba653212cd26ac9521c182f18db4
MD5 hash:
344c23a3a56219f27b0a1cffb6a7d86f
SHA1 hash:
18dd87c1ec359fbfb5c4fcf099453c9c0e2cfc60
SH256 hash:
1301d283131415be83cf752a2b7969e9530bdd4e1ee43cb561717ab6040618c7
MD5 hash:
eb088d994d30fcefa41df30d26e44432
SHA1 hash:
4c7f7c00d4a06632bf56a052b370e43e0c8053e7
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments