MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e574ffdb3aba06f7e3aaebd9293eaf171289304e7fdd8ecfbf8275a149eba1d. 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 3 File information Comments
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SHA256 hash: 4e574ffdb3aba06f7e3aaebd9293eaf171289304e7fdd8ecfbf8275a149eba1d
SHA3-384 hash: fe8971055c8b542aaeeb1266fd1b6135ffcbf4b06935feec28996f3198e8af2f08ff3e5a8dbf4805431e3089aff4225c
SHA1 hash: cb99f062a68a2d639b6c7eade8928268198715ae
MD5 hash: d3d6e929e69888a2da043aae57adfdb5
humanhash: london-fourteen-timing-georgia
File name:d3d6e929e69888a2da043aae57adfdb5.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:775'680 bytes
First seen:2021-09-10 14:25:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:SkDRcZ7O3+VUPObK1Cnf2VtYLrlz1+e+jqGCy33onALNXKMJlhc2c9klEYbGiXRK:SkDuZ8HwlXy33tNXKG3aklCiXI2h
Threatray 9'217 similar samples on MalwareBazaar
TLSH T150F427343AEB501DF273FFB95FE474DBAA6FB6633607A45D109003860A23A41DE9153A
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
274
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Sinovac Catalogs and Price lists.doc
Verdict:
Malicious activity
Analysis date:
2021-09-10 14:10:37 UTC
Tags:
exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/76d5a753-fa87-49cc-9f92-f940c97dce63

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/186913/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.31080.15682.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/69a8f9c6-013e-48bc-bc19-4da2809479d1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/848845
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 signatures2 2 Behavior Graph ID: 481279 Sample: 21U2s7yUBO.exe Startdate: 10/09/2021 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 10 other signatures 2->48 9 21U2s7yUBO.exe 3 2->9         started        process3 file4 26 C:\Users\user\AppData\...\21U2s7yUBO.exe.log, ASCII 9->26 dropped 50 Tries to detect virtualization through RDTSC time measurements 9->50 52 Injects a PE file into a foreign processes 9->52 13 21U2s7yUBO.exe 9->13         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 13->54 56 Maps a DLL or memory area into another process 13->56 58 Sample uses process hollowing technique 13->58 60 Queues an APC in another process (thread injection) 13->60 16 rundll32.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 32 Self deletion via cmd delete 16->32 34 Modifies the context of a thread in another process (thread injection) 16->34 36 Maps a DLL or memory area into another process 16->36 38 Tries to detect virtualization through RDTSC time measurements 16->38 22 cmd.exe 1 16->22         started        28 www.oxilato.com 62.213.218.176, 49754, 80 STUART-ASStuartNetworksBrusselsdatacenterBelgiumBE Belgium 19->28 30 www.ganglionicnpublice.net 75.2.18.233, 49752, 80 AMAZON-02US United States 19->30 40 System process connects to network (likely due to code injection or exploit) 19->40 signatures10 process11 process12 24 conhost.exe 22->24         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/4e574ffdb3aba06f7e3aaebd9293eaf171289304e7fdd8ecfbf8275a149eba1d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-09-10 11:38:39 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jzlu77ntvoqg67r2v26zfe7k6fysreye4765r3h37atvufe6xioq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
7d6cb8f7f367c80349027eada7707f57f758aa3ba31fc4889f6f8bec5ff47cab
Formbook
96d01352b8291a658a602d403e2133d469945ab385d9746db535aba474fc04d0
Formbook
bf47f08eee3ae55a05d7cc1609a916422eb04771d04242ffa60756d922df3412
Formbook
c44b1ee1b7cd66260ed15839ebaa8fc97be83e5b61007a14384f86e14ecf4a20
Formbook
c474dc9d81e08842f527487d032551b0d86e95a0f32fa2ebc7375fdb740c7e42
Formbook
+ 9'207 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bckt rat spyware stealer trojan
Link:
https://tria.ge/reports/210910-rrw9taaca3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.wonderspirits.com/bckt/
Unpacked files
SH256 hash:
bd39c62e454bea953bfb1da37b102d7758a487fbf10ba126368d52d0edf6ef84
MD5 hash:
eee6db77469f8bd29389645188ec1a5e
SHA1 hash:
34a81c7627e1cd505b953c41dcca3d39d6752684
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/55316d00-7342-4e09-95bf-89bac6fabc85/
Parent samples :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 hash:
c0ee1071e444f415f8b62856a0896f3b22e563f1bb4f03d14142583efe49a565
MD5 hash:
29db2e114b88ae1f6a00c9aa71690043
SHA1 hash:
ec82db71443556a5b320357b0b8b09e70ec1db9c
Link:
https://www.unpac.me/results/55316d00-7342-4e09-95bf-89bac6fabc85/
SH256 hash:
32356d4a42e3244ce2def90cd7ed8cf277f65c5cd379d484288ddff92e1a877e
MD5 hash:
6099d3a1b86290d164d6b81ffdc8964d
SHA1 hash:
557bc26ad75ea635f1f0f76b9876f15ff68a8ff6
Link:
https://www.unpac.me/results/55316d00-7342-4e09-95bf-89bac6fabc85/
SH256 hash:
4e574ffdb3aba06f7e3aaebd9293eaf171289304e7fdd8ecfbf8275a149eba1d
MD5 hash:
d3d6e929e69888a2da043aae57adfdb5
SHA1 hash:
cb99f062a68a2d639b6c7eade8928268198715ae
Link:
https://www.unpac.me/results/55316d00-7342-4e09-95bf-89bac6fabc85/
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/4e574ffdb3aba06f7e3aaebd9293eaf171289304e7fdd8ecfbf8275a149eba1d

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:pe_imphash
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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 4e574ffdb3aba06f7e3aaebd9293eaf171289304e7fdd8ecfbf8275a149eba1d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1599707/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1583603/
Cape
Cape
https://www.capesandbox.com/analysis/186913/

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