MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c916349f4538cf30cb73734f5c932c11d826fcf5d097b7afd1bbc6d508131063. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: c916349f4538cf30cb73734f5c932c11d826fcf5d097b7afd1bbc6d508131063
SHA3-384 hash: 58cb3729b173cc25ff499a30e228652615e0982320e597a40c2a497d9fb5db4698eba3037666b5e4c741e3c92998fb7a
SHA1 hash: 804234acc76dd2b2c6d51ceda2fa8ad3ccce7f1e
MD5 hash: d8742afc457bc151c703002ee73a76d9
humanhash: winner-lamp-oscar-bakerloo
File name:Purchase order 4503466547.exe
Download: download sample
Signature Formbook
File size:445'952 bytes
First seen:2022-02-02 18:01:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:5VO7JOT+CiyI/tTmsJmHlrXKEfTPtVkYeL:5VOVOCtTrmHlv7zkYe
Threatray 13'068 similar samples on MalwareBazaar
TLSH T170949DB4A1A78691F40B89B4257CFEA502B330E3E9C60D3957697641CFEDE583F8460E
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
1
# of downloads :
226
Origin country :
n/a
Vendor Threat Intelligence
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 the process to change network settings
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
Behaviour
Behavior Graph:
n/a
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-02 01:41:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:eb4c loader persistence rat suricata
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Deletes itself
Sets service image path in registry
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
e9e80f4baa8036b669486e9135d8b728cffdfda7f8593aa6419ef651bb0a1964
MD5 hash:
89bd7369bc6b563cdea8b5f0be88e1bb
SHA1 hash:
a1a5447d5bdd13e69373d3c45266a3494d7b1a39
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
6f1b89bc3013177c101fe4448340c48c0dd08d19017a798bd11c2d0f76be1fbc
MD5 hash:
60a604887b3616e3ed86d81fab0a9ebb
SHA1 hash:
8db84f5f4c569c86c69aff464b2ffc4ce3dafa20
SH256 hash:
4f98bf2453db5ce83c8fafd950b8d1d805e4ecc7481ca4f08d1644cb3281f406
MD5 hash:
926cc739a1a0e98b493ab33f60e5a3d1
SHA1 hash:
42e1eeeddf788983f4fffa0354ff8603f352c3a3
SH256 hash:
c916349f4538cf30cb73734f5c932c11d826fcf5d097b7afd1bbc6d508131063
MD5 hash:
d8742afc457bc151c703002ee73a76d9
SHA1 hash:
804234acc76dd2b2c6d51ceda2fa8ad3ccce7f1e
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 c916349f4538cf30cb73734f5c932c11d826fcf5d097b7afd1bbc6d508131063

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

Comments