MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3335218b7e280d81eb75ec3e4b124d9ad985f3849b508a8b9b4fb359f5dfbbfb. 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 3 File information Comments 1

SHA256 hash: 3335218b7e280d81eb75ec3e4b124d9ad985f3849b508a8b9b4fb359f5dfbbfb
SHA3-384 hash: 1fc529b741333ca65c3702da453e59f8e9afdb6413e3c20f8328a9e25c6eb2c2ac1e0dc55770a4917332439a34f9c843
SHA1 hash: 36e9e3519ec0f517f7e0dcb26d723ffab8c7e286
MD5 hash: 632300e7486ea3fb4085ebd8df35b0d4
humanhash: lamp-seven-triple-glucose
File name:632300e7486ea3fb4085ebd8df35b0d4
Download: download sample
Signature Formbook
File size:865'792 bytes
First seen:2021-11-17 15:49:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'467 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:M2xY1KhCcfZ/2Yp44SrM68dnOrydPvuqiY73g0XzNr7xzG9+aw9cNq0p2W:wk/2Yp44l4rC3u5YNX579ZqN
Threatray 11'311 similar samples on MalwareBazaar
TLSH T1B505F11437B55F03C1FE87F48626914107F2762962ABEB1E6CD3B1DB3E66B914B82903
File icon (PE):PE icon
dhash icon c8c4e2f934dc2e16 (10 x Loki, 6 x Formbook, 6 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
632300e7486ea3fb4085ebd8df35b0d4
Verdict:
Malicious activity
Analysis date:
2021-11-17 16:01:27 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
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
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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: 523786 Sample: Ze90Nutlen Startdate: 17/11/2021 Architecture: WINDOWS Score: 100 31 www.lauraderksen.com 2->31 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 6 other signatures 2->41 11 Ze90Nutlen.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\Ze90Nutlen.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 Ze90Nutlen.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.uootpon.xyz 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 45 Performs DNS queries to domains with low reputation 18->45 22 wlanext.exe 18->22         started        signatures11 process12 signatures13 47 Self deletion via cmd delete 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 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:
2021-11-17 01:31:36 UTC
AV detection:
24 of 45 (53.33%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:fl9w rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.makheads.com/fl9w/
Unpacked files
SH256 hash:
82086d0e8baf39e8c5350e0cc57ace6df99ea67b5b29a0423e78955866d8832b
MD5 hash:
9ada48bf621fd94d042458b86e8aecce
SHA1 hash:
125933b26e3e42063b608ae56106e849c5f8eafe
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
SH256 hash:
b1ba7bf355a0ca82c2754c816aefcbb5a507587b7d5a03837312841c72271554
MD5 hash:
062b3de2c8e43581650234830e281cd4
SHA1 hash:
c2bce1737f2dd888cf9045feabf4b5b6a72d172d
SH256 hash:
3335218b7e280d81eb75ec3e4b124d9ad985f3849b508a8b9b4fb359f5dfbbfb
MD5 hash:
632300e7486ea3fb4085ebd8df35b0d4
SHA1 hash:
36e9e3519ec0f517f7e0dcb26d723ffab8c7e286
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: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 3335218b7e280d81eb75ec3e4b124d9ad985f3849b508a8b9b4fb359f5dfbbfb

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-11-17 15:49:31 UTC

url : hxxp://103.147.184.178/x386w/scrss.exe