MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63834b5f21e4b9e36f69b48ddcdba7a8176f227ce4fdb290fe59e1ff9aa7a4f6. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
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SHA256 hash: 63834b5f21e4b9e36f69b48ddcdba7a8176f227ce4fdb290fe59e1ff9aa7a4f6
SHA3-384 hash: 348f933ba8a690fa093222f3137b453fade2bb7d83453cd958850a75b813424e0bf3e5fd8e582f5ba1bb28c29e174016
SHA1 hash: 911a84cc7f3cf71acc23c3ad711556d1be863273
MD5 hash: 1f238b029a85ca43b70ad8d5bff56c61
humanhash: johnny-earth-butter-summer
File name:invoice No 60340.png.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:1'171'968 bytes
First seen:2021-03-24 06:20:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:QQScvSLeXWy+uo/bXyUajh/UfiiiceG47h/dym:DXWEoDXyppUfii4d7h1
Threatray 4'284 similar samples on MalwareBazaar
TLSH B345C48C5C9AC0C7F5798F744AEAC99506EA1FF20F2194B5B6845BCFC839B41E807D29
Reporter cocaman
Tags:FormBook INVOICE scr

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice No 60340.png.scr
Verdict:
Suspicious activity
Analysis date:
2021-03-24 06:24:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6f8d6355-1c41-47fb-943f-cb594f688c42

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.generic.ml.25313.22451.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/651606
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 374752 Sample: invoice No 60340.png.scr Startdate: 24/03/2021 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 10 other signatures 2->43 10 invoice No 60340.png.exe 3 2->10         started        process3 file4 29 C:\Users\...\invoice No 60340.png.exe.log, ASCII 10->29 dropped 13 invoice No 60340.png.exe 10->13         started        16 invoice No 60340.png.exe 10->16         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 18 explorer.exe 13->18 injected process7 dnsIp8 31 casino-seo.com 142.44.148.37, 49766, 80 OVHFR Canada 18->31 33 www.fsxbhd.club 18->33 35 www.casino-seo.com 18->35 45 System process connects to network (likely due to code injection or exploit) 18->45 22 raserver.exe 18->22         started        signatures9 process10 signatures11 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/63834b5f21e4b9e36f69b48ddcdba7a8176f227ce4fdb290fe59e1ff9aa7a4f6/
Threat name:
Win32.Trojan.Wacatac
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Status:
Malicious
First seen:
2021-03-24 03:44:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
3 of 48 (6.25%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mobuwxzb4s46g33jwsg5zw5hvalw6it44t63feh6lhq77gvhut3a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
Formbook
11f06223417d6045acaa15cf7f5515d9afdfc23590c9cd021c2ae90a736bb6cd
Formbook
1d03cbad439f831d0cdd34e444ef7d054fc46370025a2ee70a29abc50a178cd4
Formbook
21ba0bed0b05a2ce68496e73a5c103fb5b815ac2c77e997f46e5d09666c1c978
Formbook
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Formbook
aa9692c1769e25297176b847f4274570c56c4d74f4577608bd036e72d82d5bdb
Formbook
b7d74de8e9514ca3fbfa4676be4433069bc913f86953a79d40c6272d5077242c
Formbook
db351de507bfb075469e69ffe4859653ca3b3d0729c0236a5d3f8fd935e01cde
Formbook
ebb6267e5c3bf10ec8ccba29d6fd2c7b747cef8b758db1544caf9edc7f117d7b
Formbook
f39b9e8c4a9aa6d8cd9f069e8a8ee81a3f666e07071f2b4673aa42633026736c
Formbook
+ 4'274 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210324-h2hyq4hqq2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.the-techs.info/chue/
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
Link:
https://www.unpac.me/results/756c1d34-5ccf-4d4b-a5c2-70162bb36745/
SH256 hash:
63834b5f21e4b9e36f69b48ddcdba7a8176f227ce4fdb290fe59e1ff9aa7a4f6
MD5 hash:
1f238b029a85ca43b70ad8d5bff56c61
SHA1 hash:
911a84cc7f3cf71acc23c3ad711556d1be863273
Link:
https://www.unpac.me/results/756c1d34-5ccf-4d4b-a5c2-70162bb36745/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/63834b5f21e4b9e36f69b48ddcdba7a8176f227ce4fdb290fe59e1ff9aa7a4f6

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

rar 38e263a2932ab3498edd7d8db51c4234251b6eae33f93be1c2af5cdf0c49e7c4

Formbook

Executable exe 63834b5f21e4b9e36f69b48ddcdba7a8176f227ce4fdb290fe59e1ff9aa7a4f6

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 38e263a2932ab3498edd7d8db51c4234251b6eae33f93be1c2af5cdf0c49e7c4

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