MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6dcb58ae937b9194609ef51a11f945abb7b82d9f10e032bbef2fda12ee96e6db. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6dcb58ae937b9194609ef51a11f945abb7b82d9f10e032bbef2fda12ee96e6db
SHA3-384 hash: 27b8f87de3394d587419b40ba3305534ba4acf4b2c64602205a3e63a9fad2c338f41d6320bccc19a1435af0002f29cea
SHA1 hash: 936815953ebeb2a771b03d86923079c01d2eb7f9
MD5 hash: ff766cdd10083147250eabfcaa76bebb
humanhash: rugby-blossom-shade-fourteen
File name:ff766cdd10083147250eabfcaa76bebb
Download: download sample
Signature Formbook
Create hunting rule
File size:585'728 bytes
First seen:2022-04-27 10:25:01 UTC
Last seen:2022-04-27 10:54:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:3wE7CYZ2ZxLWJeoOYqBMy4cVw5KdUi2NvlQMH+P85boDMFCofqoh5:gccQXOYJyFu5MU7QavyD7of5H
Threatray 12'326 similar samples on MalwareBazaar
TLSH T163C40134BBDC5B26C7EF5AB5E4B4430487F6961BB217EB4F8D9470DA0D467020622BA3
TrID 49.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
21.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.9% (.SCR) Windows screen saver (13101/52/3)
7.1% (.EXE) Win64 Executable (generic) (10523/12/4)
4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 69dca0e8e8e0c448 (22 x AgentTesla, 8 x SnakeKeylogger, 6 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
293
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/267208/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1315.24986.26192.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
msbuild.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62691a0a62b1ae4451b4103e/reports/ee436477-5b5d-466e-9c50-c798b1f525d5/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/57a2056c-307b-4d03-b4e0-d80bdd9cee2f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/983995
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
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)
Multi AV Scanner detection for dropped file
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
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 616489 Sample: mSO8ZxBdb2 Startdate: 27/04/2022 Architecture: WINDOWS Score: 100 43 www.nameandlikenesslabs.com 2->43 45 parkingpage.namecheap.com 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 7 other signatures 2->53 11 mSO8ZxBdb2.exe 7 2->11         started        signatures3 process4 file5 37 C:\Users\user\AppData\...\nofaYQfZLH.exe, PE32 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmp1E26.tmp, XML 11->39 dropped 41 C:\Users\user\AppData\...\mSO8ZxBdb2.exe.log, ASCII 11->41 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 11->55 57 Adds a directory exclusion to Windows Defender 11->57 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 mSO8ZxBdb2.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process9 process10 28 help.exe 22->28         started        signatures11 63 Self deletion via cmd delete 28->63 65 Modifies the context of a thread in another process (thread injection) 28->65 67 Maps a DLL or memory area into another process 28->67 69 Tries to detect virtualization through RDTSC time measurements 28->69 31 cmd.exe 1 28->31         started        33 explorer.exe 75 28->33         started        process12 process13 35 conhost.exe 31->35         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/6dcb58ae937b9194609ef51a11f945abb7b82d9f10e032bbef2fda12ee96e6db/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-27 10:06:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nxfvrlutpoiziye66unbd6kfvo33qlm7cdqdfo7pf7nbf3uw43nq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5e6d2bd21400ace31fbbe40c90d5bc5bab25868d252964b1034fc2584525709b
Formbook
66972078954fd71e073a89c4106dcd4a2bfa4f3ed89ab2ec638f0ba81c9bed30
Formbook
8a3083e40b8b6e20a01e97c759497c064db9d380a7fb2bcb3840b885c755b309
Formbook
8e7a6dbb2098baeb2669737e69b40625b4b046ab8145acc530c21bedab7f223d
Formbook
97e3431b489d64fb200c178334d0229cea2495e7f01856ac8571e4f085636b73
Formbook
a102818080dee054dc3006ca676c09a7c0b398e0fa29164d86ee0978cd38d183
Formbook
ae9f0346b40cfbd4c996fa4c44dc84cbc39ee02785059b02138474a0cb0acd46
Formbook
b43ad09955e20f4a1ea20acf2e196d51099570ff03719435f8cbfe7de923c54e
Formbook
+ 12'316 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:r87g loader rat
Link:
https://tria.ge/reports/220427-mfylaafcep/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
Unpacked files
SH256 hash:
ffe74548548f271a751c06bfe26acdad559e1fb8b037d2c33122523bd0ce98ca
MD5 hash:
07e8efbbf2f7e1c70424c2ef83f42e00
SHA1 hash:
d55d8fe5ba8d9a74ecf111ca8d3a49089890d830
Link:
https://www.unpac.me/results/ea3879c5-719c-4d59-b3a8-fd07087cc740/
SH256 hash:
b948e3e81b025068175ca215f42ae2f4d937ece594d842231b96f42a99ebaf14
MD5 hash:
a6a5895541ae7d679b314e5bf2776594
SHA1 hash:
1d8ce539fdf0b571d0c7edaa64afd09adff870b3
Link:
https://www.unpac.me/results/ea3879c5-719c-4d59-b3a8-fd07087cc740/
SH256 hash:
abe67105b30b5945126f048dde241127d16758c306cea039523491f827840722
MD5 hash:
4e5f090a1be6815db15b2db37057a56d
SHA1 hash:
f9166a7d09c5002d194d5bfd345e9f59ba17584f
Link:
https://www.unpac.me/results/ea3879c5-719c-4d59-b3a8-fd07087cc740/
SH256 hash:
92fc621e886ad486195efe1b074a5186c27599e3dd4d71c72cae3078b8660ae2
MD5 hash:
e80503550a2aa077f62f09c7dc6be7e4
SHA1 hash:
f93e86c149eac50b611a1f9a7b59f5d81026262c
Link:
https://www.unpac.me/results/ea3879c5-719c-4d59-b3a8-fd07087cc740/
SH256 hash:
39e441a543904b641526982d9a068086c6617c7634d6fbf23afa95e2c2d17ba0
MD5 hash:
a6988e39e88adaf61eec4ead2f094c39
SHA1 hash:
69f894fe81864a6872219ae63abc3d20f8a1af4b
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ea3879c5-719c-4d59-b3a8-fd07087cc740/
Parent samples :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 hash:
6dcb58ae937b9194609ef51a11f945abb7b82d9f10e032bbef2fda12ee96e6db
MD5 hash:
ff766cdd10083147250eabfcaa76bebb
SHA1 hash:
936815953ebeb2a771b03d86923079c01d2eb7f9
Link:
https://www.unpac.me/results/ea3879c5-719c-4d59-b3a8-fd07087cc740/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6dcb58ae937b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6dcb58ae937b9194609ef51a11f945abb7b82d9f10e032bbef2fda12ee96e6db

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 6dcb58ae937b9194609ef51a11f945abb7b82d9f10e032bbef2fda12ee96e6db

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/267208/
  
URLhaus
https://urlhaus.abuse.ch/url/2167085/

Comments


Avatar
zbet commented on 2022-04-27 10:25:02 UTC

url : hxxp://107.175.212.5/130/vbc.exe