MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8ae452aae57b904e1058a00c0a22dc8c9fa86e5b042d7fe5c812f724b7531a6. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8ae452aae57b904e1058a00c0a22dc8c9fa86e5b042d7fe5c812f724b7531a6
SHA3-384 hash: fbbacb5e9071e4387fe4b858136d94264902b4035cd0736e22b8b9511cb0f7b4aab2b6c5929dd8daa38456ba8c65a782
SHA1 hash: 4f64e8cdd22ff4e28cf885da1dbd74c5b28fe920
MD5 hash: 1e6137c61ef9e86172dc6f9b1fbda68b
humanhash: eleven-utah-minnesota-cold
File name:1e6137c61ef9e86172dc6f9b1fbda68b.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:210'709 bytes
First seen:2021-03-01 07:44:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT)
ssdeep 6144:x9X0GbinDyWSRO6PpWuCtUchDlwZFm/yFey:n0einDyW6MGoy4y
Threatray 3'992 similar samples on MalwareBazaar
TLSH 7F241245B6A0A4F7E9A61B300ABFA2CFBFFF82541258624357444F6E7C339C2951E163
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO 120610361.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-01 07:14:08 UTC
Tags:
encrypted exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/4af3a36a-7c66-48dc-9221-960fa2d00b4e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/120161/
Detection(s):
PUA.Win.Downloader.Soft32downloader-6691270-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Unauthorized injection to a recently created process
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/621828
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Machine Learning detection for dropped file
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)
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 (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 359908 Sample: b2lTHeTto0.exe Startdate: 01/03/2021 Architecture: WINDOWS Score: 100 32 www.nooshone.com 2->32 34 www.bukaino.net 2->34 36 3 other IPs or domains 2->36 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 5 other signatures 2->52 11 b2lTHeTto0.exe 11 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\arpjiyah.dll, PE32 11->30 dropped 64 Detected unpacking (changes PE section rights) 11->64 66 Maps a DLL or memory area into another process 11->66 68 Tries to detect virtualization through RDTSC time measurements 11->68 15 b2lTHeTto0.exe 11->15         started        signatures6 process7 signatures8 70 Modifies the context of a thread in another process (thread injection) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Sample uses process hollowing technique 15->74 76 Queues an APC in another process (thread injection) 15->76 18 explorer.exe 15->18 injected process9 dnsIp10 38 www.icepolo.com 91.195.241.137, 49743, 80 SEDO-ASDE Germany 18->38 40 www.bkhlep.xyz 150.95.255.38, 49749, 80 INTERQGMOInternetIncJP Japan 18->40 42 14 other IPs or domains 18->42 54 System process connects to network (likely due to code injection or exploit) 18->54 22 explorer.exe 12 18->22         started        signatures11 process12 dnsIp13 44 www.856380692.xyz 22->44 56 System process connects to network (likely due to code injection or exploit) 22->56 58 Modifies the context of a thread in another process (thread injection) 22->58 60 Maps a DLL or memory area into another process 22->60 62 Tries to detect virtualization through RDTSC time measurements 22->62 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b8ae452aae57b904e1058a00c0a22dc8c9fa86e5b042d7fe5c812f724b7531a6/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-01 07:45:16 UTC
AV detection:
16 of 48 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xcxekkvok64qjyifriambirnzde7vbxfwbbnp7s4qexxes3vggta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
149bc7bb666f2eabcf946822bd316709ddeeef787f059687415f98c71ad47783
Formbook
170eb254fe7cae506272dd7f934000734f55648fcefab6843eca50311a98a07d
Formbook
1c0a0e62b6945e4613b04e61cfc76b876d647b632ccf5d72d9d1e24fa967550f
Formbook
38b6a40d2eeddf38695294c57971fc2efab81fea95100260a2003baa13616b83
Formbook
8241caa4d6c5a09290864492d19dee143f0f80074d370135c0f91bad01c16ee3
Formbook
8e1f1877d8dcc92cd69d189e628129202cee73b9d63f8db4f303b2eb28d97798
Formbook
b060cb81afd9113cfbbb1e346c99e503c545da47ed80096c021b7ca41c064c76
Formbook
b1999a87350ef2b15e663c809ac16f2f0832ba3dcd868aefe0d36392af04da29
Formbook
c1dc214e929541d1f9d0ede9422bf40f61f766de5e8a32bc2fb2d73a91e4a71e
Formbook
d3a729cac68f5147eb5b7a4e288196b37d0e7a02305529c591b060bcd36a843d
Formbook
+ 3'982 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210301-71wqbdjc7a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.856380692.xyz/nsag/
Unpacked files
SH256 hash:
b8ae452aae57b904e1058a00c0a22dc8c9fa86e5b042d7fe5c812f724b7531a6
MD5 hash:
1e6137c61ef9e86172dc6f9b1fbda68b
SHA1 hash:
4f64e8cdd22ff4e28cf885da1dbd74c5b28fe920
Link:
https://www.unpac.me/results/9f1d865f-f9ba-4dcf-9455-fdf02241967f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b8ae452aae57b904e1058a00c0a22dc8c9fa86e5b042d7fe5c812f724b7531a6

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:adonunix
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX

File information

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

Web download

Formbook

Executable exe b8ae452aae57b904e1058a00c0a22dc8c9fa86e5b042d7fe5c812f724b7531a6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1039295/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/120161/
  
URLhaus
https://urlhaus.abuse.ch/url/1039571/

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