MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecbd46c265b67d75964db9233ccd1f26710d56ab7f649845e44f59d55db4251b. 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 3 File information Comments

SHA256 hash: ecbd46c265b67d75964db9233ccd1f26710d56ab7f649845e44f59d55db4251b
SHA3-384 hash: 5409191318c5dfea0bf14e880dee5141e48e7b109fe88be04b50f4f6571bf9afd4871123aee1bbb40724f5c580ec8d97
SHA1 hash: 87458784e0b2a171dbef7b5c94c85a5d94596cdf
MD5 hash: 568af775c70dc6789e84a95a7b9cbd0b
humanhash: autumn-michigan-five-virginia
File name:PAYMENT ADVICE.exe
Download: download sample
Signature Formbook
File size:514'560 bytes
First seen:2021-09-03 16:17:09 UTC
Last seen:2021-09-03 17:24:06 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 12288:2+UOMuJLk2Nv9WChRRoYccN+5mVvBG15vckXBWf4mY2im1O:+OMmLk27ROBmVvg7c
Threatray 11'481 similar samples on MalwareBazaar
TLSH T18EB4CF8C7950759FC467CA77C9A92C60AA116C7B930BD303A457369DAD3E6CBCE120B3
dhash icon 0f1e17132b3b178e (1 x RedLineStealer, 1 x AgentTesla, 1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
373
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PAYMENT ADVICE.exe
Verdict:
Malicious activity
Analysis date:
2021-09-03 16:18:19 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
Adding an access-denied ACE
Creating a file in the %temp% directory
Deleting a recently created file
Unauthorized injection to a recently created process
Launching a process
Creating a process with a hidden window
Creating a file
Launching cmd.exe command interpreter
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
Self deletion via cmd delete
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: 477397 Sample: PAYMENT ADVICE.exe Startdate: 03/09/2021 Architecture: WINDOWS Score: 100 41 www.eyildirmaz.com 2->41 43 www.dreamersclubstudios.com 2->43 45 dreamersclubstudios.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 13 other signatures 2->59 11 PAYMENT ADVICE.exe 7 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\SIJRmuUdDxQotI.exe, PE32 11->33 dropped 35 C:\...\SIJRmuUdDxQotI.exe:Zone.Identifier, ASCII 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmpD558.tmp, XML 11->37 dropped 39 C:\Users\user\...\PAYMENT ADVICE.exe.log, ASCII 11->39 dropped 69 Injects a PE file into a foreign processes 11->69 15 PAYMENT ADVICE.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 47 www.piadineriae45.com 91.195.240.117, 49723, 80 SEDO-ASDE Germany 20->47 49 www.redmondgrowth-usa.com 209.99.40.222, 49728, 80 CONFLUENCE-NETWORK-INCVG United States 20->49 51 6 other IPs or domains 20->51 61 System process connects to network (likely due to code injection or exploit) 20->61 26 msiexec.exe 20->26         started        signatures11 process12 signatures13 63 Self deletion via cmd delete 26->63 65 Modifies the context of a thread in another process (thread injection) 26->65 67 Maps a DLL or memory area into another process 26->67 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Threat name:
ByteCode-MSIL.Trojan.Casdet
Status:
Malicious
First seen:
2021-09-03 10:28:44 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:bp39 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 UnmapMainImage
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.piadineriae45.com/bp39/
Unpacked files
SH256 hash:
9a569be1313734a7a5657149f890204e1246833e80ac0e45c15b9ebc972cfa99
MD5 hash:
db1ca79a10eb8debc020653b67a41ed4
SHA1 hash:
c9aff868749946879d85e0c75c11a085d3c244c2
SH256 hash:
4c6b098d45b07ce6473244626ba7e905bae783d3f99e135c268d34ba4baee149
MD5 hash:
aa588531dc1a5638457f077bce01f596
SHA1 hash:
bd8bcbf406b859d47090f878bfb38b0bb7d91cea
SH256 hash:
ecbd46c265b67d75964db9233ccd1f26710d56ab7f649845e44f59d55db4251b
MD5 hash:
568af775c70dc6789e84a95a7b9cbd0b
SHA1 hash:
87458784e0b2a171dbef7b5c94c85a5d94596cdf
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: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 ecbd46c265b67d75964db9233ccd1f26710d56ab7f649845e44f59d55db4251b

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments