MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b409cabbc8dbdfa8a3d1a60cb225f27386dfcc61b3f7379812218b6660ef654f. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b409cabbc8dbdfa8a3d1a60cb225f27386dfcc61b3f7379812218b6660ef654f
SHA3-384 hash: d3444dba7eff8c47a7ae4f70e94a2ce1f339c579e6e405568ae098ba4ba1ccd820d47cde385301c5ba2227dad2550306
SHA1 hash: de3b6f5bc6eb3767dd7ab7bb405288284b4242dc
MD5 hash: 5594b013baa0246296cf27c10804e75a
humanhash: oscar-solar-carbon-lithium
File name:5594b013baa0246296cf27c10804e75a
Download: download sample
Signature Formbook
Create hunting rule
File size:663'040 bytes
First seen:2022-05-12 08:33:20 UTC
Last seen:2022-05-12 10:52:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:jOp9p8zJmqS4HQQyFyVNmnvjIBNnyrV8elSVD9/NnF7WBrovPkd5p:iHi3KWNmvs6V8eOlWBUPkT
Threatray 12'194 similar samples on MalwareBazaar
TLSH T120E40118BBBBCB12D5FE6F3A90F6501147B66F09E523E31E2088234D9E527970B91793
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e0d2e25945ba9cf0 (15 x AgentTesla, 9 x Formbook, 7 x Loki)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
411
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/270002/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Link:
https://www.filescan.io/uploads/627cc663804c0977d3e520f2/reports/0cd42ebc-0eb1-4d47-9efd-a390313348bc/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6e0763b3-42a3-4098-b7cf-fcd362bf3518
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/992532
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Snort IDS alert for network traffic
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
Tries to steal Mail credentials (via file / registry access)
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: 625033 Sample: v444BZjqsC Startdate: 12/05/2022 Architecture: WINDOWS Score: 100 37 www.admincost.com 2->37 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 8 other signatures 2->51 9 v444BZjqsC.exe 7 2->9         started        signatures3 process4 file5 31 C:\Users\user\AppData\Roaming\eqfncUHE.exe, PE32 9->31 dropped 33 C:\Users\user\AppData\Local\...\tmp7103.tmp, XML 9->33 dropped 35 C:\Users\user\AppData\...\v444BZjqsC.exe.log, ASCII 9->35 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 9->55 57 Adds a directory exclusion to Windows Defender 9->57 59 Tries to detect virtualization through RDTSC time measurements 9->59 13 v444BZjqsC.exe 9->13         started        16 powershell.exe 23 9->16         started        18 schtasks.exe 1 9->18         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 13->69 71 Maps a DLL or memory area into another process 13->71 73 Sample uses process hollowing technique 13->73 75 Queues an APC in another process (thread injection) 13->75 20 explorer.exe 13->20 injected 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        process9 dnsIp10 39 www.dems-clicks.com 5.183.8.183, 49757, 80 INTERXSCH Germany 20->39 41 www.funaoka-watanabedent.com 118.27.125.190, 49756, 80 INTERQGMOInternetIncJP Japan 20->41 43 2 other IPs or domains 20->43 53 System process connects to network (likely due to code injection or exploit) 20->53 28 chkdsk.exe 20->28         started        signatures11 process12 signatures13 61 Tries to steal Mail credentials (via file / registry access) 28->61 63 Modifies the context of a thread in another process (thread injection) 28->63 65 Maps a DLL or memory area into another process 28->65 67 Tries to detect virtualization through RDTSC time measurements 28->67
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b409cabbc8dbdfa8a3d1a60cb225f27386dfcc61b3f7379812218b6660ef654f/
Threat name:
ByteCode-MSIL.Trojan.AveMariaRAT
Create hunting rule
Status:
Malicious
First seen:
2022-05-11 10:59:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
37708373f6b4deb76e61c7a9c65200bba9f9d7ca7ebcd82d09242dd9231fa072
Formbook
508cb22224be3ffe5f189767b150490b717fdfbbdea4ea41c3a1add4ecfe7730
Formbook
58d325351b79f84d68ef5586de43ec3708fc0e142a83007fddbd7a05c20021ce
Formbook
a6c9f393ac5677eeccc1451ed5e1fd58c52771c06673781ce495eb956c7b867a
Formbook
bdf8f0fe0af3da8a08f2d5ba8baeec69b75565cf09fb160d58297b6b33a956b6
Formbook
bef0d9edea1dd55695f0490efa9a9dfaefeff5154dc56f407391781dc7e0ed4c
Formbook
e01aab97bf2805546ef29b22bb0d9e3e2205d4a319faaf6f7f4ce966b8aaa149
Formbook
eba97a314b1c02ecdd75fe691c6883b214dc0b239d0ba39b7d578162b5218ad0
Formbook
+ 12'184 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:n6g4 loader rat
Link:
https://tria.ge/reports/220512-kgetfsedeq/
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:
bcc1ff0c7bc4d1ffc8fede4bfc00ebdc331e53138e7d56a542a2a6a62ff037b6
MD5 hash:
db208c90e3042616c1553e7177404d84
SHA1 hash:
8bf78458fb2ae652936ca7bfaf62937faccdfa41
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/6d8c0753-18fc-4c3a-9a19-8ebf49906ae3/
Parent samples :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 hash:
c206122a7336385be557580c114ac0923192f61bc8f77aa58c898135438399f9
MD5 hash:
6c9e813248a01432890c476813d210b8
SHA1 hash:
fd54aa3af58fc3a88cb3fd6753d773cd6c51b7f8
Link:
https://www.unpac.me/results/6d8c0753-18fc-4c3a-9a19-8ebf49906ae3/
SH256 hash:
b0bf488a06072ef1078053f1be23a2910e1c84879f537fc6dbcd1dd782153fb7
MD5 hash:
af25db9d48a1d9d4ebe923a6541a9182
SHA1 hash:
41dba234949bf1012a3e386b836825e60c76e3cb
Link:
https://www.unpac.me/results/6d8c0753-18fc-4c3a-9a19-8ebf49906ae3/
SH256 hash:
489685069bb438246a2da503a3a8b6d29a53a67427c66673d5d08ff70259b474
MD5 hash:
5cd3c8243a7d3c3e5a6ba86b7e27ec29
SHA1 hash:
0560860fcf5f590c754d5f94959195acaf8450bc
Link:
https://www.unpac.me/results/6d8c0753-18fc-4c3a-9a19-8ebf49906ae3/
SH256 hash:
b409cabbc8dbdfa8a3d1a60cb225f27386dfcc61b3f7379812218b6660ef654f
MD5 hash:
5594b013baa0246296cf27c10804e75a
SHA1 hash:
de3b6f5bc6eb3767dd7ab7bb405288284b4242dc
Link:
https://www.unpac.me/results/6d8c0753-18fc-4c3a-9a19-8ebf49906ae3/
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/b409cabbc8dbdfa8a3d1a60cb225f27386dfcc61b3f7379812218b6660ef654f

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 b409cabbc8dbdfa8a3d1a60cb225f27386dfcc61b3f7379812218b6660ef654f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2191317/
Cape
Cape
https://www.capesandbox.com/analysis/270002/

Comments


Avatar
zbet commented on 2022-05-12 08:33:23 UTC

url : hxxp://198.12.89.165/500/vbc.exe