MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 387508d9f7c0d79b09bde31b037d1c43ceb1ce799a0cc94a77a20226477b47f7. 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
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SHA256 hash: 387508d9f7c0d79b09bde31b037d1c43ceb1ce799a0cc94a77a20226477b47f7
SHA3-384 hash: 3d06313738acd41f831aaeee64b3061f48dad328c3fd36fe9d9aaffdc1a3951b3ed82679034e313bb5444316df46a38a
SHA1 hash: 801c292d0673c8ec990fa9dab1ebaae122dbc552
MD5 hash: 91395b2b8907c3d08e2d6b4da9931a9c
humanhash: uniform-july-texas-louisiana
File name:SWIFT Transfer 103_0034OTT21000123_8238174530.PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:572'928 bytes
First seen:2021-09-23 15:15:26 UTC
Last seen:2021-09-24 07:46:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:sfDa2DDe7MLufWiOvEcDENPr2eP80dVlCBThTmtiK5o:sm2FafWCcDENPrB9dvgVT+Fo
Threatray 9'560 similar samples on MalwareBazaar
TLSH T1E0C42215E2EA9295CADE6F7EA87136040BF07A1A7C33DF419F0071CF68777CA4942A46
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
5
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/190824/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.26929.UNOFFICIAL
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Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5c13b862-7e00-48c6-8d65-edb340609246
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/856649
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Double Extension
Sigma detected: Suspicious Svchost Process
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
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 489088 Sample: SWIFT Transfer 103_0034OTT2... Startdate: 23/09/2021 Architecture: WINDOWS Score: 100 31 www.privateerspacecompany.space 2->31 33 www.bratliebe.info 2->33 35 2 other IPs or domains 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 15 other signatures 2->49 11 SWIFT Transfer 103_0034OTT21000123_8238174530.PDF.exe 3 2->11         started        signatures3 process4 file5 29 SWIFT Transfer 103...8174530.PDF.exe.log, ASCII 11->29 dropped 63 Injects a PE file into a foreign processes 11->63 15 SWIFT Transfer 103_0034OTT21000123_8238174530.PDF.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.ggsp3.xyz 47.243.41.151, 49801, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 18->37 39 www.thequantblockchain.com 18->39 41 8 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Performs DNS queries to domains with low reputation 18->53 22 svchost.exe 18->22         started        signatures11 process12 signatures13 55 Self deletion via cmd delete 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 Maps a DLL or memory area into another process 22->59 61 Tries to detect virtualization through RDTSC time measurements 22->61 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/387508d9f7c0d79b09bde31b037d1c43ceb1ce799a0cc94a77a20226477b47f7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-09-23 11:26:23 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hb2qrwpxydlzwcn54mnqg7i4iphldttztigmsstxuibcmr33i73q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
6acf1bec87a9b06a63ac3be623a527d7c419d17bb8a258b67e2f7cc2c607cc10
Formbook
768252369536d1e56aad57c5015925ec464642d13d76468db72e60f9ac4e1a54
Formbook
81d263a31fc8b6fe2e2db250efd4314912eb09a11027a6cfc67257d7fa5e071a
Formbook
84236953e6059c7733ecd777604a225ee85dc96740a46aac1379d13b3d57630d
Formbook
8d536146e57d878eea148bc98170d2f7cad77ea57f0fbefedf3f3c0dcce40ac5
Formbook
9998ff1d42d8af0fcc166bea36887eebf182e91d1816853d9f80e6cbbbaf9145
Formbook
ab4676fc90e455da2127126bfbd1fd167328c79eda83f686ef71dd89266825f5
Formbook
bf6ae876108b5fec915d91bd36d3ccd22c8593be29412521c32a4b3f11a757f0
Formbook
+ 9'550 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ny9y loader rat suricata
Link:
https://tria.ge/reports/210923-sngkmaefbr/
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
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.caddomain.com/ny9y/
Unpacked files
SH256 hash:
06f0330a6556b9de5785355f390c5fffd8979d6040a6140b0e30e1665d02098f
MD5 hash:
72a2c6697c6b66ea178d84b6de8ee70f
SHA1 hash:
46ee7e83f153193f82ad82fb44b3e26362c8a659
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
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Link:
https://www.unpac.me/results/f7c4874c-78e9-442c-a3d8-8ab71e25e211/
Parent samples :
768252369536d1e56aad57c5015925ec464642d13d76468db72e60f9ac4e1a54
81d263a31fc8b6fe2e2db250efd4314912eb09a11027a6cfc67257d7fa5e071a
387508d9f7c0d79b09bde31b037d1c43ceb1ce799a0cc94a77a20226477b47f7
4dfab25d3ccff9a33396c252590c27c57f23f9a94b11ebd9834b23981b0908e6
22ccfaaf35443526ee17c510270e538f8e1289b85963007ea711132094b25d33
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
Link:
https://www.unpac.me/results/f7c4874c-78e9-442c-a3d8-8ab71e25e211/
SH256 hash:
0b3aabaa5e12dc9c60a8173020f761321309b771327d315df07e20e1e6ac6d4d
MD5 hash:
84b2a788593cc2c9c69475be5a511e88
SHA1 hash:
bb9feb0b93838f3ffdc049ed5654febf280d2c61
Link:
https://www.unpac.me/results/f7c4874c-78e9-442c-a3d8-8ab71e25e211/
SH256 hash:
0764c4e204f2a4917591874dabc35e500aa66a6ef701870e97b66271294b491f
MD5 hash:
27d7545ddabf2f0d6045fa0b615d042c
SHA1 hash:
6d971364f9e0b7f935ae0ca25f4e6ad54038b1da
Link:
https://www.unpac.me/results/f7c4874c-78e9-442c-a3d8-8ab71e25e211/
SH256 hash:
387508d9f7c0d79b09bde31b037d1c43ceb1ce799a0cc94a77a20226477b47f7
MD5 hash:
91395b2b8907c3d08e2d6b4da9931a9c
SHA1 hash:
801c292d0673c8ec990fa9dab1ebaae122dbc552
Link:
https://www.unpac.me/results/f7c4874c-78e9-442c-a3d8-8ab71e25e211/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/387508d9f7c0/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/387508d9f7c0d79b09bde31b037d1c43ceb1ce799a0cc94a77a20226477b47f7

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.

Malspam

Formbook

Executable exe 387508d9f7c0d79b09bde31b037d1c43ceb1ce799a0cc94a77a20226477b47f7

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/190824/

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