MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 977576652c35a9f68bd5e609bc4628b521ee75dfa0b0d9d82deb6de35ad0d080. 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: 977576652c35a9f68bd5e609bc4628b521ee75dfa0b0d9d82deb6de35ad0d080
SHA3-384 hash: e202bb93136e4b01785337d61acedde639a57984599246884b8ebe821ce9918d78241d5a4bf37393f6030e9005b74d55
SHA1 hash: 7b9d4317d7539aeef7abb3b3df872b8423fabae6
MD5 hash: 1ff46d48d359f79c2e52a9cdb71109a6
humanhash: quiet-summer-lactose-montana
File name:Invoice BL Packing List.exe
Download: download sample
Signature Formbook
File size:807'936 bytes
First seen:2021-09-02 13:55:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:QYX28IRv5LAda7BqMa9uV/tDmkrAL9zTcT8:QbLAUtVDzrGcT8
Threatray 8'836 similar samples on MalwareBazaar
TLSH T1B5051C3E59FE2327D166CAF5CBE04827B2D49DAF3122A96457D673254332A4634C323E
dhash icon cce4c4d8c8d0d0d0 (7 x AgentTesla, 2 x Formbook)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice BL Packing List.exe
Verdict:
Malicious activity
Analysis date:
2021-09-02 14:01:31 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
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
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
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
.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
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: 476498 Sample: Invoice BL Packing List.exe Startdate: 02/09/2021 Architecture: WINDOWS Score: 100 40 www.mlppark-unna.com 2->40 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 11 other signatures 2->56 11 Invoice BL Packing List.exe 7 2->11         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\kOlstkDbrx.exe, PE32 11->34 dropped 36 C:\Users\user\AppData\Local\...\tmp9FF2.tmp, XML 11->36 dropped 38 C:\Users\...\Invoice BL Packing List.exe.log, ASCII 11->38 dropped 68 Injects a PE file into a foreign processes 11->68 15 Invoice BL Packing List.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 70 Modifies the context of a thread in another process (thread injection) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Sample uses process hollowing technique 15->74 76 Queues an APC in another process (thread injection) 15->76 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 42 www.altamirasound.com 156.242.183.44, 49732, 80 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 20->42 44 www.juxiantc.com 59.188.232.88, 49733, 49734, 80 NWT-AS-APASnumberforNewWorldTelephoneLtdHK Hong Kong 20->44 46 8 other IPs or domains 20->46 58 System process connects to network (likely due to code injection or exploit) 20->58 26 help.exe 12 20->26         started        signatures11 process12 dnsIp13 48 www.juxiantc.com 26->48 60 Self deletion via cmd delete 26->60 62 Modifies the context of a thread in another process (thread injection) 26->62 64 Maps a DLL or memory area into another process 26->64 66 Tries to detect virtualization through RDTSC time measurements 26->66 30 cmd.exe 1 26->30         started        signatures14 process15 process16 32 conhost.exe 30->32         started       
Threat name:
ByteCode-MSIL.Trojan.Heracles
Status:
Malicious
First seen:
2021-09-02 09:02:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
16 of 27 (59.26%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:bmg0 loader rat suricata
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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.bestpivotpoints.com/bmg0/
Unpacked files
SH256 hash:
fbf1b5669a72d0f84a197bf871534099244f853ae4780ffe1a08c877af092d11
MD5 hash:
fb2a72c771ba5a104d5fae088212d5d9
SHA1 hash:
461daed97800b85c4889fd3e0aab1c8a502b9c7f
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
631fd4ab1984b16b62b5535e961eca08f0b2a88b09b157ba7314370b1bfcc686
MD5 hash:
49e94768f250566c5a4f5cfdfba6a0fd
SHA1 hash:
f5749a12394225b0525b4b23e5287ffbbbc6ed6b
SH256 hash:
11ba3eabbd3be6451b1a124c156611af057eae0ed0cb19b4b4db59aa4005012c
MD5 hash:
5c76160abbdb338d8b9f31691d484ea8
SHA1 hash:
30d9bfccd1760d3b4916e0ac0865e71aecfa6ede
SH256 hash:
977576652c35a9f68bd5e609bc4628b521ee75dfa0b0d9d82deb6de35ad0d080
MD5 hash:
1ff46d48d359f79c2e52a9cdb71109a6
SHA1 hash:
7b9d4317d7539aeef7abb3b3df872b8423fabae6
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.

  
Delivery method
Other

Comments