MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46241be04eb48d9eed1aeb8a809f8baeff44cc73c5e533ab1d266f5f1fcf275a. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments 1

SHA256 hash: 46241be04eb48d9eed1aeb8a809f8baeff44cc73c5e533ab1d266f5f1fcf275a
SHA3-384 hash: 3c7e22b7178dee16c18e5781ddf89132588586a27c8d19a66d03b06a7c4210cfc64876df77c63538e63819be16fea5e6
SHA1 hash: 2c67a8afcecf4e9591592761aeb13ef02cb42252
MD5 hash: 4d9f21a8719054ede23ff9a28900c56d
humanhash: kentucky-paris-romeo-oranges
File name:4d9f21a8719054ede23ff9a28900c56d
Download: download sample
Signature Formbook
File size:1'284'096 bytes
First seen:2021-07-27 08:52:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:0BjeOsBgo0q4wMUBmCmTOUd+L6kdXWgRLSxbagEWnIHJSqeFf:0BjnoHMsmCm6Ud+zdXHRmbagE1pSqQf
Threatray 6'859 similar samples on MalwareBazaar
TLSH T13155BFB10919EF22F4B706BD74725A5442B48D46C96BCB68FE7332ABCD70FC23456A81
dhash icon f0c4e86969e8d4f0 (9 x Formbook, 4 x SnakeKeylogger, 3 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
status.xlsx
Verdict:
Malicious activity
Analysis date:
2021-07-27 08:06:29 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader 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
Unauthorized injection to a recently created process
Creating a file
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
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 454637 Sample: 4bTTNoUZaa Startdate: 27/07/2021 Architecture: WINDOWS Score: 100 33 www.scdtohxvc.icu 2->33 35 www.roq.media 2->35 37 5 other IPs or domains 2->37 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 4 other signatures 2->51 11 4bTTNoUZaa.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\4bTTNoUZaa.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 4bTTNoUZaa.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 39 www.dannalerma.com 64.98.145.30, 49730, 80 TUCOWS-3CA Canada 18->39 41 www.viruswaarheid.club 162.255.119.118, 49733, 80 NAMECHEAP-NETUS United States 18->41 43 8 other IPs or domains 18->43 53 System process connects to network (likely due to code injection or exploit) 18->53 22 cmmon32.exe 18->22         started        25 autofmt.exe 18->25         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Gathering data
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-27 08:48:50 UTC
AV detection:
20 of 46 (43.48%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
CustAttr .NET packer
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.thafresnelgroup.com/p1nr/
Unpacked files
SH256 hash:
59221e1cc2756a929ea1583fc1155faa69274c03d94f60e59833378e9a916d4f
MD5 hash:
807e397b8a967496874c2a3f2b85a93f
SHA1 hash:
2f175b8fdea4602d3390122d1cefdeaef1248224
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
SH256 hash:
e222f0b4eb5a62c41b661a5170bccd4e58c508014645452668302c56210fb440
MD5 hash:
cfa766147e575cf1ae48e08cd17f8a66
SHA1 hash:
d672afebc6610ed0c7165fdf8ade267cde0910e3
SH256 hash:
2ae1422ace08105894c8f861846e08ea0bd9bb6a569e293841e9fa882804d732
MD5 hash:
8a99f810e7137116ccca6518a6551dd4
SHA1 hash:
449281e479d960e9151b264250a3df1b4f0fda0b
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
46241be04eb48d9eed1aeb8a809f8baeff44cc73c5e533ab1d266f5f1fcf275a
MD5 hash:
4d9f21a8719054ede23ff9a28900c56d
SHA1 hash:
2c67a8afcecf4e9591592761aeb13ef02cb42252
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.

Web download

Formbook

Executable exe 46241be04eb48d9eed1aeb8a809f8baeff44cc73c5e533ab1d266f5f1fcf275a

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-07-27 08:52:34 UTC

url : hxxp://198.12.107.11/bbc/vbc.exe