MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c85c442c146ddd1260403ccbc446badd1beb7a0128dc68e7bdefcddb8f34d6eb. 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: c85c442c146ddd1260403ccbc446badd1beb7a0128dc68e7bdefcddb8f34d6eb
SHA3-384 hash: 9d36b48362fb4be276ccd41025a1b6bded466f371b949d5385da005014d702c481f358948938ec58aad7ddc39d0f4051
SHA1 hash: 640223ce28f3b6015abde71d756ed5fa83fd5a2a
MD5 hash: 82073a92147371cbc7aade3169022871
humanhash: florida-delta-virginia-seven
File name:RFQ#MARCH 2022.exe
Download: download sample
Signature Formbook
File size:1'036'800 bytes
First seen:2022-03-14 14:27:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:Y1ztgK43JfROZ/VdrhSnEtP/iAToIrQ8xO:YttK3J6lSni/iqoVL
Threatray 14'886 similar samples on MalwareBazaar
TLSH T1A825D0E0FF0892BEDC15623AC4A84C701DB52B5D3519BF1651AF219D493BACF49A2C2F
Reporter pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
SUSPICIOUS
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
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-14 14:28:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:uwn3 rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
.NET Reactor proctector
Formbook Payload
Formbook
Unpacked files
SH256 hash:
43cea1eb268654b7a3123545fe2cc2c525fda4de77355ca4ee4153552b34efa1
MD5 hash:
b10824c91374340754120ca6864327fe
SHA1 hash:
80622c1271c7889ff4355572e0dfbd72c48f63ae
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
30c7420c4291a1d42797590d030d46b929d913d451032e779a3348afbec93793
MD5 hash:
56110eaa9693fd9e8f3d35cb8191544f
SHA1 hash:
a5ce57126142c58de214bc48698c63ade236f4f8
SH256 hash:
bd101c34af84adadd99bc45bd731c2e5dd5262979368932a36122923019df68e
MD5 hash:
8292209e4829803aacc3799489d096e5
SHA1 hash:
5103a3814334d3955a439a2e18e8633e146b8fa0
SH256 hash:
9b00e2fa33ad72dec22a5e107ab6886da72bbe0bed89a721e877c1dc3ce6a662
MD5 hash:
b4c9c16228f0ee1de70ffc6264fb720c
SHA1 hash:
437049e452a511e220abdb32df695cdf07f5a7d0
SH256 hash:
c85c442c146ddd1260403ccbc446badd1beb7a0128dc68e7bdefcddb8f34d6eb
MD5 hash:
82073a92147371cbc7aade3169022871
SHA1 hash:
640223ce28f3b6015abde71d756ed5fa83fd5a2a
Malware family:
FormBook
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.

Comments