MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
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SHA256 hash: 4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080
SHA3-384 hash: ed0df66ba3d0db64728ead4fc9c39c46e4e71bd2fc00a79b5a8ba8806b4a15da964db7f5eb9ad7585da2a314c6e55f14
SHA1 hash: 2b69023fcd198efe36909ae031726a02966c30a8
MD5 hash: 91706d95a9aafe3c99f742e6d476fd66
humanhash: october-seventeen-helium-six
File name:Payment.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'049'600 bytes
First seen:2021-08-17 14:10:41 UTC
Last seen:2021-08-18 06:51:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:F7Dc9F3nC0Py3gAhPEJbjJEKFWxqG1ICxlLokn9z5ab2NJO92dJBfOjpkUhXRxOT:OY9jlLokn9z5dg2L0GUhHl1OMayg
Threatray 7'963 similar samples on MalwareBazaar
TLSH T167254E381BB82567C065D63EA7D1C61BE050CADB3419EA5754CA8F67B302BC2F78722D
dhash icon 9a07d41c0d2a6a78 (5 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/180090/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.998-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching the process to change network settings
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e2889c52-64ad-41e2-b47b-57f622c74bab
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/834439
Signature
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 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: 466903 Sample: Payment.exe Startdate: 17/08/2021 Architecture: WINDOWS Score: 100 32 www.filmblingalley.com 2->32 34 www.cuties4you.net 2->34 36 2 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 9 other signatures 2->52 11 Payment.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\Payment.exe.log, ASCII 11->30 dropped 62 Tries to detect virtualization through RDTSC time measurements 11->62 64 Injects a PE file into a foreign processes 11->64 15 Payment.exe 11->15         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Sample uses process hollowing technique 15->70 72 Queues an APC in another process (thread injection) 15->72 18 explorer.exe 15->18 injected process9 dnsIp10 38 yourhiddenpurpose.com 192.232.220.223, 49720, 80 UNIFIEDLAYER-AS-1US United States 18->38 40 sltreeserv.com 119.81.50.213, 49727, 80 SOFTLAYERUS Singapore 18->40 42 13 other IPs or domains 18->42 54 System process connects to network (likely due to code injection or exploit) 18->54 22 WWAHost.exe 18->22         started        signatures11 process12 dnsIp13 44 192.168.2.1 unknown unknown 22->44 56 Modifies the context of a thread in another process (thread injection) 22->56 58 Maps a DLL or memory area into another process 22->58 60 Tries to detect virtualization through RDTSC time measurements 22->60 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-08-17 09:47:37 UTC
AV detection:
16 of 27 (59.26%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jrn2rfououuqgldut6a24x4p7ot7vnkjhiv5gp3jtqgqlkv7ucaa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00e599fadd6b7cd568751d9741ad77f85a7c9fdea785deed6898f348efd794fd
Formbook
25ccba7b1faefe85e035fb10cf4bc3c72096640699e19ec1c024c7332c213b58
Formbook
45fad79d5665cbad096d1029eb228bdca999352958c393d08e2813787fc2dcb0
Formbook
49217eb71ec8276e6fdb8573c02691fa5b9de9cb14be7b82c4ec6570f78fcfdf
Formbook
6134f857a84f2686c84d2d2273be977eafa19b97acdc16532e4b206d62f51e28
Formbook
6c60876d91087cbd176ff5419577f2b3315b2d3a9d9c6d11a06b95ea10d5311f
Formbook
8fd4cf94ee8683475a5fa775b37afeaeef36e4791fd1e3ecfde74cfaaf498106
Formbook
c35dc511756121de1ea79ead44b8d25157d6356bc5a59c2ff530a60b2c444bec
Formbook
+ 7'953 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:udew loader rat suricata
Link:
https://tria.ge/reports/210817-plnc27hgrn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.agendno.com/udew/
Unpacked files
SH256 hash:
80f7b7c57be9775e942dc1fdb612d0bdd9e224fed1da78074739e1fdbde70f76
MD5 hash:
98bb00c28c08334a52adae5c732d96a2
SHA1 hash:
94fa243ab9dafd234f072a6952adc50af823d904
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f1cddb10-d101-43a1-a282-8a9a2be74d9e/
Parent samples :
45fad79d5665cbad096d1029eb228bdca999352958c393d08e2813787fc2dcb0
c35dc511756121de1ea79ead44b8d25157d6356bc5a59c2ff530a60b2c444bec
6134f857a84f2686c84d2d2273be977eafa19b97acdc16532e4b206d62f51e28
4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080
818c1b58ed2f90509db1681fdad87813f57f12e744dd2adefec617617166e612
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/f1cddb10-d101-43a1-a282-8a9a2be74d9e/
SH256 hash:
e3e863fc5b8103e9826ebd80af90bb8e01a3293eb2e818e442091ccc1161fc90
MD5 hash:
a70e01d02d847a470c175d53c080fdb4
SHA1 hash:
7e82fe074787c5a345916819b1b8acdbe192b45a
Link:
https://www.unpac.me/results/f1cddb10-d101-43a1-a282-8a9a2be74d9e/
SH256 hash:
4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080
MD5 hash:
91706d95a9aafe3c99f742e6d476fd66
SHA1 hash:
2b69023fcd198efe36909ae031726a02966c30a8
Link:
https://www.unpac.me/results/f1cddb10-d101-43a1-a282-8a9a2be74d9e/
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/4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080

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_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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.

Malspam

Formbook

Executable exe 4c5ba895d47529032c749f81ae5f8ffba7fab5493a2bd33f699c0d05aabfa080

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/180090/

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