MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b79a539c923a5ed65891331804be81fcd6c85c0a63bd6e89180e7f0e9eb3239. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
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SHA256 hash: 2b79a539c923a5ed65891331804be81fcd6c85c0a63bd6e89180e7f0e9eb3239
SHA3-384 hash: 66c7f30790a018a4adbe8d4fb6b67a7203897cb6390b3441d22779b4fb455f915aa41a1319c0327c19d5ad1a514c98fe
SHA1 hash: b8947fa658f9170eb57c9701b268233448f3bf86
MD5 hash: 0975b530448106159ca8da6099391901
humanhash: juliet-west-five-avocado
File name:Quotation for Urgent PO 110921.bat
Download: download sample
Signature Formbook
Create hunting rule
File size:1'097'728 bytes
First seen:2021-12-14 18:47:45 UTC
Last seen:2021-12-14 20:36:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:mYRiEThxFE99sP9IQL/5BUMVG4MIH8BwYkXt2ArdEQjgI:tEkVL/3Hl81kXrd5
TLSH T1E83502A5A3686F75D57F5BF684B0220A43FD690339A2E73A4DC5B0CA1D53B80DF40A63
Reporter cocaman
Tags:bat exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation for Urgent PO 110921.bat
Verdict:
Malicious activity
Analysis date:
2021-12-14 18:53:57 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/7dc12dca-8cd4-4e76-9e2e-8dcf0509b0cf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/214082/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1128.13224.27658.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
hacktool obfuscated packed
Link:
https://www.filescan.io/uploads/61b8e6ea47bb875c085dca8a/reports/3e34a565-f490-4161-8b0b-a322f21f656c/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/06253357-b848-419e-ba05-f36f4dc3fa81
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/907356
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
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
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: 539830 Sample: Quotation for Urgent PO 110... Startdate: 14/12/2021 Architecture: WINDOWS Score: 100 29 www.cyclelabssg.com 2->29 31 shops.myshopify.com 2->31 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 9 other signatures 2->57 10 Quotation for Urgent PO 110921.exe 3 2->10         started        signatures3 process4 file5 27 C:\...\Quotation for Urgent PO 110921.exe.log, ASCII 10->27 dropped 59 Injects a PE file into a foreign processes 10->59 14 Quotation for Urgent PO 110921.exe 10->14         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 14->61 63 Maps a DLL or memory area into another process 14->63 65 Sample uses process hollowing technique 14->65 67 Queues an APC in another process (thread injection) 14->67 17 wscript.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 39 Self deletion via cmd delete 17->39 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Tries to detect virtualization through RDTSC time measurements 17->45 23 cmd.exe 1 17->23         started        33 gamingtrendy.com 70.40.220.111, 49818, 80 UNIFIEDLAYER-AS-1US United States 20->33 35 fbc7888164e64afca05b80bb89630439.pacloudflare.com 172.65.227.72, 49817, 80 CLOUDFLARENETUS United States 20->35 37 7 other IPs or domains 20->37 47 System process connects to network (likely due to code injection or exploit) 20->47 49 Performs DNS queries to domains with low reputation 20->49 signatures11 process12 process13 25 conhost.exe 23->25         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/2b79a539c923a5ed65891331804be81fcd6c85c0a63bd6e89180e7f0e9eb3239/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2021-12-14 18:48:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 28 (78.57%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fn42koojeos62zmjcmyyas7id7gwzboauy55n2erqdt7b2plgi4q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:posg loader rat suricata
Link:
https://tria.ge/reports/211214-xfr4lshcck/
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.bennshop.com/posg/
Unpacked files
SH256 hash:
c7825880ef6e619edbd8b5a644b88ea9824bbaff49bca02d6b6c03bd3c81796e
MD5 hash:
2a2bb67ca479c242d17c269ad813c213
SHA1 hash:
508eb9c282df2238bb16868c2b264d71aaa415cc
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/35ac24e2-2295-430b-b194-bddddc8d100c/
Parent samples :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 hash:
f8ee3ec61da05401295cfc650a604dc644a16a8d7afc9f090cd9f7a0d9300317
MD5 hash:
7e9f1e09d0aa634d949c26737c26ff3c
SHA1 hash:
cb6b35efc98d0656148907ce56268a964556664d
Link:
https://www.unpac.me/results/35ac24e2-2295-430b-b194-bddddc8d100c/
SH256 hash:
40b9f32215f30234f0ed9403fb8ecc80966b095388e5b9bad5cc2d7adf50ce5f
MD5 hash:
d4ff5f3321ef83520a659325716bd12e
SHA1 hash:
8662301c0d92c19db6eccf8fbb60f4c8c079f1a9
Link:
https://www.unpac.me/results/35ac24e2-2295-430b-b194-bddddc8d100c/
SH256 hash:
2b79a539c923a5ed65891331804be81fcd6c85c0a63bd6e89180e7f0e9eb3239
MD5 hash:
0975b530448106159ca8da6099391901
SHA1 hash:
b8947fa658f9170eb57c9701b268233448f3bf86
Link:
https://www.unpac.me/results/35ac24e2-2295-430b-b194-bddddc8d100c/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/2b79a539c923/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/2b79a539c923a5ed65891331804be81fcd6c85c0a63bd6e89180e7f0e9eb3239

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

zip 6a0e26086494a46e09c1ed630a51998f05dc8ea0ec1584d2d1775f0e40ef5869

Formbook

Executable exe 2b79a539c923a5ed65891331804be81fcd6c85c0a63bd6e89180e7f0e9eb3239

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 6a0e26086494a46e09c1ed630a51998f05dc8ea0ec1584d2d1775f0e40ef5869
Cape
Cape
https://www.capesandbox.com/analysis/214082/

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