MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6c873080547760ab6e3e7d4b59c74cbfb9151275e7aa6f888d251f4549c7e69. 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
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SHA256 hash: f6c873080547760ab6e3e7d4b59c74cbfb9151275e7aa6f888d251f4549c7e69
SHA3-384 hash: b9d73e5561fec255c7521226a01024499fcd9fee8643efeecd6bdc26e31a0e9125bd35425f903e16c620545e99d2d51a
SHA1 hash: 85b3261738e0f0c540880292fe99ed7a3ba6cc0f
MD5 hash: ff9f4cb2526b0d362f9b9368a17db981
humanhash: lithium-virginia-iowa-cardinal
File name:ff9f4cb2526b0d362f9b9368a17db981
Download: download sample
Signature Formbook
Create hunting rule
File size:354'816 bytes
First seen:2021-06-24 02:51:55 UTC
Last seen:2021-06-24 03:44:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:dwNDvxO2O6i4bsVFOqwXxx4fI6C/Ddsq9gwchHoRxGnoJ8L:2NrvO6iVEqwBxGcbdBMhIvU
Threatray 5'958 similar samples on MalwareBazaar
TLSH 4674BE6EF3E25F03C0A9147AC0D3957303F6B48BA672D7466E8516DB0D4639C9D8ABC8
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ff9f4cb2526b0d362f9b9368a17db981
Verdict:
Malicious activity
Analysis date:
2021-06-24 02:52:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c8fe9c8b-0479-4645-960e-fdc2a20b1fd5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.37136074.2953.23686.UNOFFICIAL
Create hunting rule

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/5285b790-dec9-4c74-9329-c93bace1bf3a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/807106
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Drops PE files to the startup folder
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 dropped file
Multi AV Scanner detection for submitted file
PowerShell case anomaly found
Powershell drops PE file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: CMSTP Execution Process Creation
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: 439517 Sample: bkeu3n7Rh4 Startdate: 24/06/2021 Architecture: WINDOWS Score: 100 45 www.sugene-proloser.icu 2->45 47 www.zhjinchina.com 2->47 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 10 other signatures 2->61 10 bkeu3n7Rh4.exe 3 2->10         started        14 explorer.exe 2 2->14         started        17 OpenWith.exe 2->17         started        signatures3 process4 dnsIp5 43 C:\Users\user\AppData\...\bkeu3n7Rh4.exe.log, ASCII 10->43 dropped 77 Tries to detect virtualization through RDTSC time measurements 10->77 79 PowerShell case anomaly found 10->79 19 bkeu3n7Rh4.exe 10->19         started        22 powershell.exe 15 10->22         started        25 bkeu3n7Rh4.exe 10->25         started        49 www.drtracielashley.academy 188.246.224.127, 49737, 80 SELECTELRU Russian Federation 14->49 51 www.wingsmh.com 14->51 53 14 other IPs or domains 14->53 81 System process connects to network (likely due to code injection or exploit) 14->81 27 cmstp.exe 14->27         started        file6 signatures7 process8 file9 63 Modifies the context of a thread in another process (thread injection) 19->63 65 Maps a DLL or memory area into another process 19->65 67 Sample uses process hollowing technique 19->67 69 Queues an APC in another process (thread injection) 19->69 39 C:\Users\user\AppData\Roaming\...\%Namee%, PE32 22->39 dropped 41 C:\Users\user\...\%Namee%:Zone.Identifier, ASCII 22->41 dropped 71 Drops PE files to the startup folder 22->71 73 Powershell drops PE file 22->73 29 conhost.exe 22->29         started        75 Tries to detect virtualization through RDTSC time measurements 27->75 31 cmd.exe 1 27->31         started        signatures10 process11 process12 33 MpCmdRun.exe 1 29->33         started        35 conhost.exe 31->35         started        process13 37 conhost.exe 33->37         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f6c873080547760ab6e3e7d4b59c74cbfb9151275e7aa6f888d251f4549c7e69/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-06-22 12:44:26 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=63ehgcafi53avnxd47kllhduzp5zcujhlz5kn6ei2ji7ive4pzuq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
masslogger
Create hunting rule
Similar samples:
3cec9bd714745b020366af9537184c619794ef4dee36c99093f53b243c97dcc1
Formbook
500db2ef97a164d00676ba3cff04cf5a34962220a2577ee9833333ebc685c807
Formbook
6838e750e4d6b197819aedaeb8e0a183d5fb790da0d6d5e426d99f09bae758d9
Formbook
735d11c1fa476083846e9e622af57a902ff20be1a1bbce7d8ec9f7f4179d1bb3
Formbook
8241caa4d6c5a09290864492d19dee143f0f80074d370135c0f91bad01c16ee3
Formbook
87fb0ca5b0ebcc0dc80aeca8065b2e2bf1ec14cade124316227646bc59ad237c
Formbook
9a7b408de435746572b0dcb127b8e340fff5d91efb1d18cb054d51c9bd2c4a3a
Formbook
b811328fd6ddf4562a9f6066fd93193e3a344fc482dd9303c131d81888017b9a
Formbook
cbd8d7c3cf92798b8306074a078a94b84cb49a0db60eafc22d277231a23d7fda
Formbook
e1fee7ee20f6d3bd6e913baeae737c558014454223d552c125c3f963e7c1a843
Formbook
+ 5'948 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210624-bb37y4kd26/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.sugene-proloser.icu/nins/
Unpacked files
SH256 hash:
4c992c8ba67fbcedd535f3e2547fdcd62c71ae8058f8f4fd4ae20cb436d35b9c
MD5 hash:
8311cb58cba72399fb29eac665e19913
SHA1 hash:
399c7c15d7cfa8b10ce9bcf053471924be87d1dd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1469b9ef-42e7-4984-b1ae-ee3525a2bfa5/
Parent samples :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 hash:
3fe966e21625f83eccdcc49762305a16e6c488397b4e08a98e1be48d93c3a571
MD5 hash:
884c22791622cbd6edc8ad0dfcea87f2
SHA1 hash:
8b2b539c86f49597a05a289fda4ac27b2fd1c177
Link:
https://www.unpac.me/results/1469b9ef-42e7-4984-b1ae-ee3525a2bfa5/
Parent samples :
fb50faa852bc2917ace3552b02c754c91872d0892e247f51a1e48336e598d6ef
6f97024532dc240921683a3769cb317aefc60bf89c8916b01e80a804675f7487
8e36d4f98a882487bedbedf73cbb010f793c7bb529d133a58673a14850198f9f
SH256 hash:
37963727d2b0e72440fe72bfc6d4fd23b47742776a315a108f88de3d9043b399
MD5 hash:
aef4b159cc930593af51690d1bc5ca0c
SHA1 hash:
8462b0f90d54a8f7d40a0a790bbdc3363edac371
Link:
https://www.unpac.me/results/1469b9ef-42e7-4984-b1ae-ee3525a2bfa5/
SH256 hash:
f6c873080547760ab6e3e7d4b59c74cbfb9151275e7aa6f888d251f4549c7e69
MD5 hash:
ff9f4cb2526b0d362f9b9368a17db981
SHA1 hash:
85b3261738e0f0c540880292fe99ed7a3ba6cc0f
Link:
https://www.unpac.me/results/1469b9ef-42e7-4984-b1ae-ee3525a2bfa5/
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/f6c873080547760ab6e3e7d4b59c74cbfb9151275e7aa6f888d251f4549c7e69

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_InTheFu
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: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 f6c873080547760ab6e3e7d4b59c74cbfb9151275e7aa6f888d251f4549c7e69

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1393380/

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