MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 400558d78a7f45c87f3e0376dd0082f6df8dc35a4e547b2c8bdd44a01f978a65. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 400558d78a7f45c87f3e0376dd0082f6df8dc35a4e547b2c8bdd44a01f978a65
SHA3-384 hash: f3e0bc75a531553015bc28bd47a4e143cab7ad5869905a109b030b9e02f718998334f4f78b2fced7294d309218ef7423
SHA1 hash: de71a8629f7271b2b6e458dfa0bfabdc872b7fa0
MD5 hash: 0bcfd1ae429e2efbfcf2cae1727e9ab8
humanhash: potato-nitrogen-massachusetts-stream
File name:IMG_9787.exe
Download: download sample
Signature Formbook
File size:367'616 bytes
First seen:2022-01-17 05:20:20 UTC
Last seen:2022-01-17 06:48:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:QVKNmL1ZPvucRfyi0N3/8UduU7huHNcE5RnSqtG5gd4YneVpwNOhpRRRRRER:QVKCvuI6uU7huH6ERGed4YneViNkRRRY
Threatray 12'762 similar samples on MalwareBazaar
TLSH T111741362E2A9573ACDF947F2499A0A016BF4AD692413F7C87D49A2CD1D32F411E02F33
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
3
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMG_9787.exe
Verdict:
Malicious activity
Analysis date:
2022-01-17 05:23:52 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
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed
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
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 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 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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 554017 Sample: IMG_9787.exe Startdate: 17/01/2022 Architecture: WINDOWS Score: 100 31 www.pubizy.com 2->31 33 pubizy.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 8 other signatures 2->47 11 IMG_9787.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\IMG_9787.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 IMG_9787.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 antiagingstars.com 50.87.223.221, 49824, 80 UNIFIEDLAYER-AS-1US United States 18->35 37 www.inversoga.com 43.134.0.76, 49805, 80 LILLY-ASUS Japan 18->37 39 14 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 cmd.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-17 04:55:39 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:eqhv loader rat
Behaviour
Checks processor information in registry
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Unpacked files
SH256 hash:
438c184cea1b464e6d5ad95d8d4ccc18a275d4e4823c1267014e4e6adedc0d45
MD5 hash:
1dfd52ddf6631f7bb887b766d8ddbed1
SHA1 hash:
37000e4f018c19f95b692f479ae536f706fcc9f1
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
48d7760ddb4000f2defd091eaabf1ea181dd536a55316274a59a0bbff827d5b1
MD5 hash:
4260463b2bd49a68791133686a557484
SHA1 hash:
0f7f9b2fc318e6db47180b952f4472d5f61fc81c
SH256 hash:
a9b3465bb7cbe48767938ace24516a03c39afc7144bc14b2a2907883f2bf8020
MD5 hash:
ddb67ffbadc1a355dc13fdf03baee8ef
SHA1 hash:
a721f1083cdc0c4ae57fdec502ef94c3837f6721
SH256 hash:
93027eaeccac792061eebadfc3bbbad4d3c7880f5a98f0bbae07d653090b5aa0
MD5 hash:
b7957fef8864bf5fbe4d028029c0c4ba
SHA1 hash:
72636c82fcea8b2a72d081d854316b3c13ef6162
SH256 hash:
400558d78a7f45c87f3e0376dd0082f6df8dc35a4e547b2c8bdd44a01f978a65
MD5 hash:
0bcfd1ae429e2efbfcf2cae1727e9ab8
SHA1 hash:
de71a8629f7271b2b6e458dfa0bfabdc872b7fa0
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 400558d78a7f45c87f3e0376dd0082f6df8dc35a4e547b2c8bdd44a01f978a65

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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