MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 355da352f5a3782b61c87156e127d0ad167a379a7b9a0889574c2a773b55a122. 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 4 File information Comments
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SHA256 hash: 355da352f5a3782b61c87156e127d0ad167a379a7b9a0889574c2a773b55a122
SHA3-384 hash: 60892855db63d34ea3e9c9ab69cec95725b5d7faed0dcd52fa94bcf2836e99bd4ca73566af2c0a1df9ee81f16cbe10e9
SHA1 hash: 1806b010ac7de322829d37e147b7f7c39b279c93
MD5 hash: 836defaa62ead456b88f4ff5b376ced5
humanhash: nineteen-double-october-papa
File name:Booking Confirmation 548464656_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:601'600 bytes
First seen:2021-11-18 09:51:02 UTC
Last seen:2021-11-18 17:03:07 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:x4zlm31gW7Ixgyxb0QwM8YneKC6xH28EK8xr38WH:azlm3KWExgGpwM8YnXFEhp3f
Threatray 11'406 similar samples on MalwareBazaar
TLSH T178D4D0A036B8C413E720867AD6A0D3BA4FB0B11D1EE5C7427DEE2ADF76597607C58312
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Booking Confirmation 548464656_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-11-18 09:58:55 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/465a0633-0596-4c56-8d9f-bbcd2b26a09d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Artemis94E5EB9F1122.4572.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.W32.MSIL_Kryptik.GCW.genEldorado.4650.8685.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6196220c2695a62af9f2e5b8/reports/9afe0779-7dc8-4ac1-b048-6f27a95f55e3/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/085dc1bb-e1b1-49e7-a98d-023a52328e88
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/891843
Signature
.NET source code contains potential unpacker
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
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
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: 524316 Sample: Booking Confirmation 548464... Startdate: 18/11/2021 Architecture: WINDOWS Score: 100 31 www.imafuckingretard.net 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 9 other signatures 2->45 11 Booking Confirmation 548464656_pdf.exe 3 2->11         started        signatures3 process4 file5 29 Booking Confirmati...8464656_pdf.exe.log, ASCII 11->29 dropped 57 Injects a PE file into a foreign processes 11->57 15 Booking Confirmation 548464656_pdf.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 secure01bchslogin.com 184.164.70.9, 49808, 80 IOFLOODUS United States 18->33 35 www.naskitchen.online 3.108.154.143, 49819, 80 AMAZON-02US United States 18->35 37 10 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 WWAHost.exe 18->22         started        signatures11 process12 signatures13 49 Self deletion via cmd delete 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/355da352f5a3782b61c87156e127d0ad167a379a7b9a0889574c2a773b55a122/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-11-18 09:41:58 UTC
AV detection:
10 of 44 (22.73%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gvo2guxvun4cwyoioflocj6qvulhun42ponarckxjqvhoo2vuera._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
060c2f164a53cf74817b9b2f176d770dbde8b1ef71fe5322abf9ae8197232b7d
Formbook
0e636b89393a1581a2e3f4b141c9886bed9c77969569605cdb44b78d94127802
Formbook
3c9984e534636c34f7a22ccbbfb1c06baa5a6f16883eb77a65ac615dffa24f16
Formbook
41de1c603509906c3ddcb2550617c980ba3dd192048a52b449e3894d94e1bad5
Formbook
43d01d2eb5232707d644d1ea624c347b98220adbbdb7a8bd625814a5b971dd2d
Formbook
62af6d80ae19c6beb856b49527eb3bb0d594e7f33c7cb927c7c58f72b9523ea6
Formbook
696ba6fed0994cac4e47993f336820499cd3faf3ce4713d4e0be0ea0d91748af
Formbook
6ffe756ce71f1457d7dd480357f3545f123b750fc4bf30683b59887d491948a7
Formbook
92206b9fa1251b589ab6d14b4828cafe0ec9d9b44df469602b7d3d1ed16ae0e8
Formbook
f0748cd86f2648c4ff23611f87661ba89045039966eb9595c2fb4d046249e1f2
Formbook
+ 11'396 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:cfb2 loader rat
Link:
https://tria.ge/reports/211118-lvg2eafcf8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.naskitchen.online/cfb2/
Unpacked files
SH256 hash:
52bab4a6de2a7acd69b608142f1a8c7aadd72225d6bc8f0147bce42dd114ec51
MD5 hash:
3f65b2b0792a46dc2d40c5f4271a866b
SHA1 hash:
f93d2ed4cb9992374b5dc28b6e123ee86023fc38
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ea37ac38-1bfe-458f-ac10-aade1dc2a6d8/
Parent samples :
355da352f5a3782b61c87156e127d0ad167a379a7b9a0889574c2a773b55a122
5217b3fe46cd872a4c4da5099d4eb2d66c8f5278f5c355c68c9c88f891e66cae
SH256 hash:
7b00cc4ab4bd443e0a02bbc8d1ec10c7231c60ca3a075ab402fcffec1bf94ae8
MD5 hash:
9dba4d21c19c73c47bcf11dd2ace9089
SHA1 hash:
dc0d1b07cf866ba221e4ecfc765831fe831c8491
Link:
https://www.unpac.me/results/ea37ac38-1bfe-458f-ac10-aade1dc2a6d8/
SH256 hash:
cc5c5860e83b708cd158454165cbeb714767119946049de5aa7677685be75c14
MD5 hash:
83cbea4dec6e5b64a85ee9b6f9ff7598
SHA1 hash:
5c1d12b792c32ba73b7bf2634da5e4d9fbcd7d4e
Link:
https://www.unpac.me/results/ea37ac38-1bfe-458f-ac10-aade1dc2a6d8/
SH256 hash:
355da352f5a3782b61c87156e127d0ad167a379a7b9a0889574c2a773b55a122
MD5 hash:
836defaa62ead456b88f4ff5b376ced5
SHA1 hash:
1806b010ac7de322829d37e147b7f7c39b279c93
Link:
https://www.unpac.me/results/ea37ac38-1bfe-458f-ac10-aade1dc2a6d8/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/355da352f5a3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/355da352f5a3782b61c87156e127d0ad167a379a7b9a0889574c2a773b55a122

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 355da352f5a3782b61c87156e127d0ad167a379a7b9a0889574c2a773b55a122

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/207180/

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