MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 259c36b591f16a680dcfdad4bb69e5546c21a1b4a591403578b1f079b236c510. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments 1
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SHA256 hash: 259c36b591f16a680dcfdad4bb69e5546c21a1b4a591403578b1f079b236c510
SHA3-384 hash: 24db21be72b47de6ab9cea834bf7f41694cc1abb3769d1c724cca9c9ff841c81ea87fe25827d01dacf91448a0aeac133
SHA1 hash: ffa6be670aa6b7b3b4430176e1f4bd7cb27750dd
MD5 hash: 3c03f77db0179fbee221f073acf42ed5
humanhash: hamper-pip-bluebird-bakerloo
File name:3c03f77db0179fbee221f073acf42ed5
Download: download sample
Signature Formbook
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File size:520'192 bytes
First seen:2021-11-22 15:42:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:hs5tD00JVXs9jNewYjWL6SQfuBJszwQmcB:hs5C0JVXs9jNeouSQmfSw2B
Threatray 11'464 similar samples on MalwareBazaar
TLSH T15EB4F1A43650A346D86C4FB5CC3E95843B3165C52A14C6EDADBBD38E1E32B172712BB3
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
new order.docx
Verdict:
Malicious activity
Analysis date:
2021-11-22 12:15:25 UTC
Tags:
generated-doc trojan opendir exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/24463b1b-f38a-4044-9c03-6fd75a9a9c66

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1107.29531.29955.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619bba4e94a88037d2fe9ca8/reports/e8afd077-f52f-4a78-ab2e-836fbba06c62/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:
Malicious Packer
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6b218a1c-fddc-4bf5-9cad-8315b7b3aaea
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/893978
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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: 526455 Sample: xzKS6P1qDo Startdate: 22/11/2021 Architecture: WINDOWS Score: 100 31 www.mtheartcustom.com 2->31 33 www.sneakersonlinesale.com 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 4 other signatures 2->47 11 xzKS6P1qDo.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\xzKS6P1qDo.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 15 xzKS6P1qDo.exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.ahfyfz.com 23.104.53.233, 49809, 80 LEASEWEB-USA-LAX-11US United States 18->35 37 www.cuteprofessionalscrubs.com 18->37 39 cuteprofessionalscrubs.com 34.102.136.180, 49803, 80 GOOGLEUS United States 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 wlanext.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/259c36b591f16a680dcfdad4bb69e5546c21a1b4a591403578b1f079b236c510/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-22 10:02:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Similar samples:
0bbec09890d31b79c26d2b175684426630f8b243c4a210cd919e54f35572bd80
Formbook
0f71db9b3323ec4ee05ca87d0f3190de6f8380f94c90c8b2aa27a75ddbb804fd
Formbook
2ff7c84701eaf8b5865bb2716e8a8d0f0ae71ddf725b0330e6b88229585e2ad1
Formbook
49609c0487ceeec0771547efd9277b01f494be83549bc0245330672ee962c50c
Formbook
4bde2d0abed748c6fb8620ab890cbb09fa5749c4ef749e8cd5c6c7dd40cfd37b
Formbook
60ff626adc6a02e50f060f456b0b7f8a11577e923624b3fa8c009d758892439b
Formbook
69169d89d7b806d4e42f45dc20447e2d8657cb7f5425b08fa35d6cdd1f303be4
Formbook
7e9714cbd04e089e9a55baccf2e3168d876772c72d59d83df1471a533c043fd0
Formbook
83708560ecc442b5b6dadbdf5af39ae4f1e843664c932a9de3eff1e38bf6d4a5
Formbook
be61aba2c5d56a20b50c5f4a682087840876fdf7504fbf5eb8ac56a0e572fb33
Formbook
+ 11'454 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:9gr5 rat spyware stealer trojan
Link:
https://tria.ge/reports/211122-s5cyrsahe4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.cuteprofessionalscrubs.com/9gr5/
Unpacked files
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
Link:
https://www.unpac.me/results/c532c014-6d05-4ab2-b097-0cc828bf400a/
SH256 hash:
b9131b820791913ea0e89b0f65c20502f4afb78a518dd0c9440c1132cf01c53a
MD5 hash:
d4f9b9e61e105689b35cae5a721333e7
SHA1 hash:
8ae5feb3fc637c7e0a1aa4afc52f32e9baebd8b2
Link:
https://www.unpac.me/results/c532c014-6d05-4ab2-b097-0cc828bf400a/
SH256 hash:
20b043001e2a32b70de6d177a955979c50e7e5024abba2dd94e4a1d542f78671
MD5 hash:
fefca1da5f8b661869b93c205c087d21
SHA1 hash:
55451475d933e516b7666c7d73432b35a87b5eeb
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
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Link:
https://www.unpac.me/results/c532c014-6d05-4ab2-b097-0cc828bf400a/
Parent samples :
4bde2d0abed748c6fb8620ab890cbb09fa5749c4ef749e8cd5c6c7dd40cfd37b
60ff626adc6a02e50f060f456b0b7f8a11577e923624b3fa8c009d758892439b
69169d89d7b806d4e42f45dc20447e2d8657cb7f5425b08fa35d6cdd1f303be4
259c36b591f16a680dcfdad4bb69e5546c21a1b4a591403578b1f079b236c510
42173f59707de5929c3bc6cd37d5e0dc55d990bce2c29aa6deac6e86c3eec250
1cbfaa8a18eb1b6aca5e3e487fbf74b278473d8be3caf45242a67ff6a1f58856
SH256 hash:
259c36b591f16a680dcfdad4bb69e5546c21a1b4a591403578b1f079b236c510
MD5 hash:
3c03f77db0179fbee221f073acf42ed5
SHA1 hash:
ffa6be670aa6b7b3b4430176e1f4bd7cb27750dd
Link:
https://www.unpac.me/results/c532c014-6d05-4ab2-b097-0cc828bf400a/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/259c36b591f1/report/overview.html
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/259c36b591f16a680dcfdad4bb69e5546c21a1b4a591403578b1f079b236c510

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
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Rule name:Skystars_Malware_Imphash
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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 259c36b591f16a680dcfdad4bb69e5546c21a1b4a591403578b1f079b236c510

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1804503/
Cape
Cape
https://www.capesandbox.com/analysis/208258/

Comments


Avatar
zbet commented on 2021-11-22 15:42:03 UTC

url : hxxp://198.46.199.153/76734/VBC.exe