MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b499be4b6955eebcf4228039f67a65a38b322f0ca1d58d8071de9a428ced8720. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b499be4b6955eebcf4228039f67a65a38b322f0ca1d58d8071de9a428ced8720
SHA3-384 hash: a04b9558b08a82fe4454a2af17de3303a66819e131c9ee7e356b2a209e0aa004a129a0ba40aa09e2961f628c0a16f95e
SHA1 hash: 6b045974084794b785110909351e2a25950c5ed6
MD5 hash: d95e9bb2fa064a984c391b5bfc1d01e6
humanhash: queen-charlie-twenty-pluto
File name:56460021473877.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:569'856 bytes
First seen:2021-10-13 18:23:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:t1DEMkhBBcKqMkXKQEa2F7A4quO15IWwPGQscHLHXQpCIOZBxPFPgN21c1:nD/SBBcErSqqflwPGQQpFINPgNP1
Threatray 10'539 similar samples on MalwareBazaar
TLSH T111C4DF5133458263E17B0FB4A023A76887B4FD296972DB7D69C176CF2F32B909211AD3
File icon (PE):PE icon
dhash icon 30f0e4d8d0e0f0f0 (4 x AgentTesla, 4 x Formbook, 1 x Loki)
Reporter pr0xylife
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
56460021473877.exe
Verdict:
Malicious activity
Analysis date:
2021-10-13 18:28:22 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/2a642f44-98a8-4983-b6ad-039adeae50bb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/197366/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.24447.18671.UNOFFICIAL
Create hunting rule

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:
67%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61672447fd35fe780c3ddd55/reports/845aaba3-4a66-403e-91ca-4810775a844c/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/90117ca3-feab-4c71-a5b6-54e1dc136091
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/869930
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 domain / URL
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: 502358 Sample: 56460021473877.exe Startdate: 13/10/2021 Architecture: WINDOWS Score: 100 34 www.serviciosgeneralesjba.online 2->34 36 www.sapphiremodule.com 2->36 38 serviciosgeneralesjba.online 2->38 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 6 other signatures 2->48 11 56460021473877.exe 3 2->11         started        signatures3 process4 signatures5 58 Tries to detect virtualization through RDTSC time measurements 11->58 60 Injects a PE file into a foreign processes 11->60 14 56460021473877.exe 11->14         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 17 explorer.exe 14->17 injected process8 dnsIp9 28 rajinderbeas.com 216.10.241.4, 49831, 80 PUBLIC-DOMAIN-REGISTRYUS India 17->28 30 www.box-770.com 213.186.33.5, 49833, 80 OVHFR France 17->30 32 13 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 control.exe 17->21         started        signatures10 process11 signatures12 50 Self deletion via cmd delete 21->50 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 56 Tries to detect virtualization through RDTSC time measurements 21->56 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b499be4b6955eebcf4228039f67a65a38b322f0ca1d58d8071de9a428ced8720/
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00557f1996ecaac2e1a0458b692543493c940b3ea0925c106e6dbcb856f8e9e6
Formbook
18f25a6941b39471ea68715f7ab4b3f96990808ded5138054b96763179e0c19e
Formbook
7946718754bb669d3c7a80e355a20047e3e87dbfa9446927ceb6fabab21847d1
Formbook
909b2ca8fbea2b6c03ccf3d90e0416b12df094fcf02c47fbf59839a9ce105538
Formbook
bf8bfab0557ff010ee03db046d493da9b0deeaa5e5fb55d9e5750f280a0289ac
Formbook
dae6ba220bb0a34de731b57965753391343bfe96f9f3fa4fea48102d3377ccf7
Formbook
eb107daa1a87d192430ab9abefbf715b0ac5dd8e3c1aa78d088b049c8359a372
Formbook
+ 10'529 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ni8b loader rat suricata
Link:
https://tria.ge/reports/211013-w13v6segcl/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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.nottryingdoing.com/ni8b/
Unpacked files
SH256 hash:
1300427fcb559f32317d6adde29c96a74d208208d2f7e3003026ecfeb80a4843
MD5 hash:
17b191df8e7eceb2db48be1568bfc56b
SHA1 hash:
b4c8963314ca384b4651d9ab5b63e6e0ca48e76f
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/18257e5b-8484-4a95-b06e-953e85ce3aec/
Parent samples :
909b2ca8fbea2b6c03ccf3d90e0416b12df094fcf02c47fbf59839a9ce105538
18f25a6941b39471ea68715f7ab4b3f96990808ded5138054b96763179e0c19e
b499be4b6955eebcf4228039f67a65a38b322f0ca1d58d8071de9a428ced8720
SH256 hash:
1b21a11ea1e8c0003fb0262311f30a08f37961897ece86dac94d24a6801e1155
MD5 hash:
adf55b20ae5242c901353f1d667691c0
SHA1 hash:
71ab16591f98e4f6106bf88485138685ff6b5ead
Link:
https://www.unpac.me/results/18257e5b-8484-4a95-b06e-953e85ce3aec/
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
Link:
https://www.unpac.me/results/18257e5b-8484-4a95-b06e-953e85ce3aec/
SH256 hash:
b499be4b6955eebcf4228039f67a65a38b322f0ca1d58d8071de9a428ced8720
MD5 hash:
d95e9bb2fa064a984c391b5bfc1d01e6
SHA1 hash:
6b045974084794b785110909351e2a25950c5ed6
Link:
https://www.unpac.me/results/18257e5b-8484-4a95-b06e-953e85ce3aec/
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/b499be4b6955eebcf4228039f67a65a38b322f0ca1d58d8071de9a428ced8720

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.

Cape
Cape
https://www.capesandbox.com/analysis/197366/

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