MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c6f60ba070864a86dceaa5785b1dceb395cbe4667b9c539bc0675411b4e16a9. 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 3 File information Comments 1
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SHA256 hash: 4c6f60ba070864a86dceaa5785b1dceb395cbe4667b9c539bc0675411b4e16a9
SHA3-384 hash: 02621a934c00a75c0e72e224129c430b15477e20bc0fc6ea5dcee723527da232750a7829f50ae5ff4bad302d91c00081
SHA1 hash: 8bea8efd0562114eb266a616a11189dee0d84431
MD5 hash: 35357a041b14cb08b8e107770a9f9c18
humanhash: edward-high-salami-indigo
File name:35357a041b14cb08b8e107770a9f9c18
Download: download sample
Signature Formbook
Create hunting rule
File size:533'504 bytes
First seen:2021-11-24 18:52:12 UTC
Last seen:2021-11-24 21:05:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:bkCWT71nH33BIYxsMnkvtb1FW0iYuGhDGpBDta05d:UVBFxsMnWrW0B9FGpWM
Threatray 11'613 similar samples on MalwareBazaar
TLSH T120B4F1343F92DD62D5591A77C98E60040371AA11B693D72F78ED321D6A12BE37B01BCB
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
470601.xlsx
Verdict:
Malicious activity
Analysis date:
2021-11-24 18:00:10 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/9b7e5b03-8740-4d65-bd9a-c97492bc2d62

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.11065.11900.11.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619e8a13f36138de3f3a6371/reports/1c0b1ccc-0c3f-476d-9efa-e6676db17c67/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ecf6f0fd-ea86-4b57-9524-9210633291a5
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/895671
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
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)
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
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 528150 Sample: TWb3IVgBOQ Startdate: 24/11/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 8 other signatures 2->42 10 TWb3IVgBOQ.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\...\TWb3IVgBOQ.exe.log, ASCII 10->28 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 14 TWb3IVgBOQ.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 changemylifefast.info 15.197.142.173, 49805, 80 TANDEMUS United States 17->30 32 www.uprgoad.com 61.97.245.17, 80 EHOSTIDC-AS-KREHOSTICTKR Korea Republic of 17->32 34 3 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses netstat to query active network connections and open ports 17->46 21 NETSTAT.EXE 17->21         started        signatures10 process11 signatures12 48 Self deletion via cmd delete 21->48 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/4c6f60ba070864a86dceaa5785b1dceb395cbe4667b9c539bc0675411b4e16a9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-24 18:53:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
014d0ece0d472eaea73698d634308303ddb9f227f39d339a66416c3cb744d2c1
Formbook
05c36634ef7b938c2494ed619644b03acf1add4bf7802238e7290af9185d3f78
Formbook
115716164b2092df207c750d11a2b4ce05bee204b7f21f1f62d93a5b7d78afa1
Formbook
1999253e5409121ca9810f0a75358043ed34c6fbd8444423cd01f935a51ad64d
Formbook
222c8a0ce49171c3bb93631e7001bb152ad05fa4ba13437a173f1d0dd9fd0a4e
Formbook
2c81bc76bb2b34fc085a6ff0beb19fda2b1e400ad67341f55185b8d8b7351643
Formbook
894f9fa39a5922cc3ec8d79c7957cfacbb99ce27c2b3babdb23e061a5a178ddc
Formbook
a6b0bb9378be58f9e3671746df1965e1e0b29642a6ac9d13873e7d347469b2ff
Formbook
ba22bb07f3ef12877682493d25ed29cf6e2ca6c9ce2bc9527396a7bae00ec578
Formbook
f89bda22f77706b290e5f56032cd4c884f8da016a379f6c6a978acf4983f0175
Formbook
+ 11'603 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:hno0 loader rat
Link:
https://tria.ge/reports/211124-xjm9tsdebk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.heidecide.xyz/hno0/
Unpacked files
SH256 hash:
e91fb76e13425f9f6253662e380c5bc84196251c9f3969b960d6cbcec79f3d00
MD5 hash:
2dd5b522b207576e74a6e7100367b78a
SHA1 hash:
766051b069420e0539b5a49cf32a72d3cbf44f7a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/da2694cd-8df4-434b-8ce6-293f8d4c8651/
Parent samples :
2c81bc76bb2b34fc085a6ff0beb19fda2b1e400ad67341f55185b8d8b7351643
4c6f60ba070864a86dceaa5785b1dceb395cbe4667b9c539bc0675411b4e16a9
ba10b4ebe4ae3556a1320c7a9b8cb14da16042061c33f1ded73c193cbac8f346
667e8635796cd94ca4161f15f33e8c9d837c7c35a25d583e4f978ad76d9b86f8
87c4a09709a7ba312539673bc4e85e4543d8e1ac4da43ce58adf8635f97f6207
775e97d800d0495cc950870530ddd9fc3a3169b95095c6cba2f29c7b99e0cac1
174efa98c8e09e5ac9d2916509eb3323fa20dd47dd3173ad069a2cb5e17b1852
efaa4527b761b2acb19d40051d303867ce0798ea1e32cf72b4408898d01b463b
SH256 hash:
7ae0a712e7d7bb4faa931e9186030faf38137e95659e2a76061789c277e782b7
MD5 hash:
a81948a2261b86029e0aa2f788919ee3
SHA1 hash:
8069bc5c769986f01fb368b583f790cb3cab91ee
Link:
https://www.unpac.me/results/da2694cd-8df4-434b-8ce6-293f8d4c8651/
SH256 hash:
302ac54c94e8bdb12b7fdaeef76e2b936e0294ea5b1ced38c6da51ef50c3067e
MD5 hash:
d1a58ca8f82c480763bfa3205e80b770
SHA1 hash:
7b23287d165b2dae07ead2625bd4e1e525d27a1b
Link:
https://www.unpac.me/results/da2694cd-8df4-434b-8ce6-293f8d4c8651/
SH256 hash:
4c6f60ba070864a86dceaa5785b1dceb395cbe4667b9c539bc0675411b4e16a9
MD5 hash:
35357a041b14cb08b8e107770a9f9c18
SHA1 hash:
8bea8efd0562114eb266a616a11189dee0d84431
Link:
https://www.unpac.me/results/da2694cd-8df4-434b-8ce6-293f8d4c8651/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4c6f60ba0708/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.79
Link:
https://yomi.yoroi.company/submissions/4c6f60ba070864a86dceaa5785b1dceb395cbe4667b9c539bc0675411b4e16a9

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
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 4c6f60ba070864a86dceaa5785b1dceb395cbe4667b9c539bc0675411b4e16a9

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1813683/
Cape
Cape
https://www.capesandbox.com/analysis/209137/

Comments


Avatar
zbet commented on 2021-11-24 18:52:15 UTC

url : hxxp://13.212.176.229/30003/bars.exe