MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 06590d709bb90096480fb153f62efa1b0738a561014afac367907fa47478079c. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 06590d709bb90096480fb153f62efa1b0738a561014afac367907fa47478079c
SHA3-384 hash: 268b35d853b66efb301bc2982f4c655d67887889fb114a8b2cae71a35ebe103947b6d9bfc574d5d63cc4be5f937f7d23
SHA1 hash: 1ef0a0b28564f035e1626765406838c30ea35a67
MD5 hash: 04ccf6d78d28884ebd6bd49b415a2d09
humanhash: music-nineteen-michigan-robin
File name:Pdf MT103 - Remittance.pdf.exe
Download: download sample
Signature Formbook
File size:941'056 bytes
First seen:2021-05-26 05:09:20 UTC
Last seen:2021-05-26 05:57:57 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 12288:OgnhQZ8yhERR9vwNGeVsYdaAPNLt481y7F12lvyBvCi9qMxazVoWg8UTu4aXA41g:TQGyInvwwUZ5poLcaBKNMioNnNVpDvD
Threatray 5'409 similar samples on MalwareBazaar
TLSH C615152F502AF122C168C27D06C4742BED90DFF36131AD24A8D73F895639E4C799E26E
Reporter cocaman
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Pdf MT103 - Remittance.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-05-26 05:17:15 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Sample uses process hollowing technique
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 424623 Sample: Pdf MT103 - Remittance.pdf.exe Startdate: 26/05/2021 Architecture: WINDOWS Score: 100 41 www.ursulaaubri.com 2->41 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 12 other signatures 2->55 11 Pdf MT103 - Remittance.pdf.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\HqieTcmkYfN.exe, PE32 11->33 dropped 35 C:\Users\...\HqieTcmkYfN.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp6B3A.tmp, XML 11->37 dropped 39 C:\...\Pdf MT103 - Remittance.pdf.exe.log, ASCII 11->39 dropped 65 Writes to foreign memory regions 11->65 67 Injects a PE file into a foreign processes 11->67 15 RegSvcs.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 75 2 other signatures 15->75 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 43 empiresolardev.com 162.241.219.146, 49694, 80 UNIFIEDLAYER-AS-1US United States 20->43 45 www.treasureofcl.com 74.220.199.6, 49691, 80 UNIFIEDLAYER-AS-1US United States 20->45 47 15 other IPs or domains 20->47 57 System process connects to network (likely due to code injection or exploit) 20->57 26 wscript.exe 20->26         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 26->59 61 Maps a DLL or memory area into another process 26->61 63 Tries to detect virtualization through RDTSC time measurements 26->63 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2021-05-25 02:34:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
26 of 47 (55.32%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.ursulaaubri.com/s5cm/
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: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.

Malspam

Formbook

Executable exe 06590d709bb90096480fb153f62efa1b0738a561014afac367907fa47478079c

(this sample)

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