MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1f2892cd08386e6af2477ff8340a60afb66ac66509e660c76818ea721c7fe6a. 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 3 File information Comments 1
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SHA256 hash: f1f2892cd08386e6af2477ff8340a60afb66ac66509e660c76818ea721c7fe6a
SHA3-384 hash: 8a69a01d801e7e9e2742490d4b25f025aeae95472646b1c1d3fc2c7eae62eef0f1c78271c62078edf4eb5432bd01c9b4
SHA1 hash: 816f73aa214c87fe2704dc8c6a9831f18969ca9b
MD5 hash: 4b311f7098e8c26618b8c2c7366282f4
humanhash: muppet-juliet-whiskey-paris
File name:4b311f7098e8c26618b8c2c7366282f4
Download: download sample
Signature Formbook
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File size:512'512 bytes
First seen:2021-10-25 15:35:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:zOZR996DCS2ORry+99kX7YHBr2aDJyXI:U96H2ORe+9mXkhiD
Threatray 10'748 similar samples on MalwareBazaar
TLSH T164B4AE803965CDCEF3390234349F166EE522AFA5794248BF17377ED41BFB6462B86029
File icon (PE):PE icon
dhash icon f0c4ba3b2bb2cef0 (1 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/199958/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.FYG.genEldorado.1246.11751.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6176ceeaa9d585e6d5375247/reports/35f7f5ab-7bee-4d34-a1cc-b9f20c0c829d/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2726fff5-951f-4524-92be-75181ced273a
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/876422
Signature
.NET source code contains potential unpacker
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 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
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 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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 508855 Sample: 85dpq7juao Startdate: 25/10/2021 Architecture: WINDOWS Score: 100 31 www.nadanadif.com 2->31 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 6 other signatures 2->45 11 85dpq7juao.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\85dpq7juao.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 15 85dpq7juao.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.negotrad.com 213.186.33.5, 49822, 80 OVHFR France 18->33 35 homestechs.com 5.79.71.161, 49788, 80 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 18->35 37 12 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Performs DNS queries to domains with low reputation 18->49 22 msiexec.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/f1f2892cd08386e6af2477ff8340a60afb66ac66509e660c76818ea721c7fe6a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-10-25 15:36:10 UTC
AV detection:
13 of 45 (28.89%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Similar samples:
21350c749a15b06efda33cae533086eab02ef83685d539556407633676de94bb
Formbook
5d5aa4f1afaa9dd98bc1317f5b8e190cf21130d465da575fac9d4fbc6b3fb3af
Formbook
73db754f5e709731e9c07c230fa6512ee75e07184c367e3f80b1bf646e7b72da
Formbook
75772375acbcfb6cb668fc2449671a6a83afe1434184ac7c01fd895825fcf5e6
Formbook
7716fec715a46b0eb4518d53703b0fc2186e6a473a876de7aee9155ec289f93a
Formbook
9c558e9f026119bab2580c1e38533870d351b1e01e65341427194504e2cdf490
Formbook
bb8e1d48225b002a4da7d0c33051e7fc457e244ed610f536b87702439d978a46
Formbook
e6cde5c1b614549613d30761b34c899f4ff69d7e6e3147c21d68bedd64f8fe25
Formbook
fbaf103427e20432a3dcf19733b5f447bb6f0b2e5c700c76df55c2d977d080ae
Formbook
+ 10'738 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:pufi loader rat
Link:
https://tria.ge/reports/211025-s1w6vagch9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.homestechs.com/pufi/
Unpacked files
SH256 hash:
030b76a471a4dbfb81e15520ccca3ab68572006cbd781c863d6d72e6b19ad88c
MD5 hash:
267b2956ead250f2bb93d55e08eb036f
SHA1 hash:
8bdeef8d2091296b2a652fdd6134c141b44e1b5d
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/df6ebee9-104d-4bf8-8981-1ea58a5f6ac6/
Parent samples :
f1f2892cd08386e6af2477ff8340a60afb66ac66509e660c76818ea721c7fe6a
877727126dd647bbd23c00721d01b1bbe752a01f1943f89a35f3ba7c908f1a48
e059ab9141d67e0b2e9eb83d34ba88e480f7091bcd97b78466386a17b44a235e
1d07ba3818460950a41107248ebad65eea18efc3c151aa275be107732f3625d6
881100c6150cdd242daa1eddaf33aaa6069cf22fa401d02a51f5994be17c49c3
8f06ef3fb5b077f1d8c9b9ff9ac36a5d019c8c829fc7374dbf03a407793ca29f
SH256 hash:
b87143b9ba33e813c0728951b1b9708f5b71a8e558fe0b3c48ba55182c902fce
MD5 hash:
d0a7ebefb83fe6185e0e5cbc0b853695
SHA1 hash:
5c133896218dc8e1bee43f5f7a1848e750a39610
Link:
https://www.unpac.me/results/df6ebee9-104d-4bf8-8981-1ea58a5f6ac6/
SH256 hash:
a5c2baaf64d2f20666f5d02876e9f5b59d8ec5c538ee82f1711d9d0db3f189e0
MD5 hash:
8ecd3b39d0778503439b9e9dd0475b2d
SHA1 hash:
249f0f11920286ba191592bfaf13a2c0d7cc7ca6
Link:
https://www.unpac.me/results/df6ebee9-104d-4bf8-8981-1ea58a5f6ac6/
SH256 hash:
f1f2892cd08386e6af2477ff8340a60afb66ac66509e660c76818ea721c7fe6a
MD5 hash:
4b311f7098e8c26618b8c2c7366282f4
SHA1 hash:
816f73aa214c87fe2704dc8c6a9831f18969ca9b
Link:
https://www.unpac.me/results/df6ebee9-104d-4bf8-8981-1ea58a5f6ac6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/f1f2892cd08386e6af2477ff8340a60afb66ac66509e660c76818ea721c7fe6a

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
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Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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 f1f2892cd08386e6af2477ff8340a60afb66ac66509e660c76818ea721c7fe6a

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1712989/
Cape
Cape
https://www.capesandbox.com/analysis/199958/

Comments


Avatar
zbet commented on 2021-10-25 15:35:34 UTC

url : hxxp://84.252.121.251/sysm/audio.exe