MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da1950706431dfa31c66d1d99d2bc15bcb02600fecea4fab7c17f97af173cb7c. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: da1950706431dfa31c66d1d99d2bc15bcb02600fecea4fab7c17f97af173cb7c
SHA3-384 hash: 0ecd952941100fdf6bcf045041f7cc048840b1cb9b2fc2516d7df9ff16d9766d5c21217a7b033e369c9102ca37d2e714
SHA1 hash: 0444f1674c68dcf33574868d866b8d7778cb02a9
MD5 hash: f26e3dcbe69d3eb76bc8566deb19f908
humanhash: skylark-hot-fillet-texas
File name:QUOTE REQUEST_PDF___________________________________...exe
Download: download sample
Signature Formbook
File size:774'656 bytes
First seen:2022-02-21 08:02:34 UTC
Last seen:2022-02-21 22:26:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:opBv8Pva7Lhvm8W8+sPS1HPtdamb5x5un35Zn39YSxKq2wtgvlXPJ:oSCtvLW8+sPS1HPtt+n35Zn39/Kq2wtA
Threatray 11'739 similar samples on MalwareBazaar
TLSH T1B7F4D02239EA504CF3B39BB25FC9F4BF467AF5632519B1FA398123464B11E808D117B6
File icon (PE):PE icon
dhash icon 96e8b296ccd0dcc0 (10 x AgentTesla, 5 x Formbook, 3 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
3
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
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
Searching for synchronization primitives
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated obfuscated packed replace.exe update.exe
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 potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
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
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
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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: 575528 Sample: QUOTE REQUEST_PDF__________... Startdate: 21/02/2022 Architecture: WINDOWS Score: 100 45 www.geloradomino.win 2->45 47 www.bologna-wine.com 2->47 49 5 other IPs or domains 2->49 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 16 other signatures 2->63 11 QUOTE REQUEST_PDF___________________________________...exe 7 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\Roaming\LGmoCRDh.exe, PE32 11->37 dropped 39 C:\Users\...\LGmoCRDh.exe:Zone.Identifier, ASCII 11->39 dropped 41 C:\Users\user\AppData\Local\...\tmpD41C.tmp, XML 11->41 dropped 43 QUOTE REQUEST_PDF_..._________...exe.log, ASCII 11->43 dropped 67 Adds a directory exclusion to Windows Defender 11->67 15 QUOTE REQUEST_PDF___________________________________...exe 11->15         started        18 powershell.exe 20 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 77 Modifies the context of a thread in another process (thread injection) 15->77 79 Maps a DLL or memory area into another process 15->79 81 Sample uses process hollowing technique 15->81 83 Queues an APC in another process (thread injection) 15->83 22 explorer.exe 15->22 injected 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 dnsIp10 51 www.so-mobius.com 118.27.125.236, 49815, 80 INTERQGMOInternetIncJP Japan 22->51 53 ifsay8jx7m.hellomyai.com 103.61.30.66, 49838, 80 CNSERVERSUS Hong Kong 22->53 55 6 other IPs or domains 22->55 65 System process connects to network (likely due to code injection or exploit) 22->65 30 cscript.exe 22->30         started        signatures11 process12 signatures13 69 Self deletion via cmd delete 30->69 71 Modifies the context of a thread in another process (thread injection) 30->71 73 Maps a DLL or memory area into another process 30->73 75 Tries to detect virtualization through RDTSC time measurements 30->75 33 cmd.exe 1 30->33         started        process14 process15 35 conhost.exe 33->35         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-21 08:03:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:ihg0 loader rat suricata
Behaviour
Creates scheduled task(s)
Gathers network information
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
acb7ccf5d4640c67a39acb73ba058969e457cc1f5f958aa1c6a722447e97fdc2
MD5 hash:
0d1b39b1eb1ed2e6376697f03a9857e0
SHA1 hash:
45000cdcdbc76ff00672b17c7362133129cec81c
SH256 hash:
e33254e2ad4d279914a29450f98d1750a9f513fc8ddb853e0dd8346b805faa43
MD5 hash:
b597cce7bfc65e56fa69ebb7f413a33f
SHA1 hash:
7ee40df5ac783432e7c9f7be4f7ed1f286345d58
SH256 hash:
80320d9fbf529d84c997142b12a59ea7507aac30b87e49ea16895552c9756326
MD5 hash:
fc4606eb11739e1497af0add32bd1a5b
SHA1 hash:
689e429f61702019269f379b4c097c30157341fd
SH256 hash:
7879776c7d9dc55201b47c9a1f8af2c9841cd85f347cb36b4eb52aec613bb546
MD5 hash:
63ec451506a9431e636a561e3daf521d
SHA1 hash:
177406d43dc3fa3d42a32fdcabb4b4d920e78fe2
SH256 hash:
da1950706431dfa31c66d1d99d2bc15bcb02600fecea4fab7c17f97af173cb7c
MD5 hash:
f26e3dcbe69d3eb76bc8566deb19f908
SHA1 hash:
0444f1674c68dcf33574868d866b8d7778cb02a9
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: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 da1950706431dfa31c66d1d99d2bc15bcb02600fecea4fab7c17f97af173cb7c

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments