MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d90b2ee420fc51d84a0c3c3fe2ae4e13b6313cd030be264440538a396dfe7956. 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 1 File information Comments
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SHA256 hash: d90b2ee420fc51d84a0c3c3fe2ae4e13b6313cd030be264440538a396dfe7956
SHA3-384 hash: 522068413b3994fa825aadd6b0b8375d03b9961789154b5574d2b92cfa21893523cc2ee8ce813e28bee0a49e36ca4176
SHA1 hash: a5f7fe4e31d69c1e452f513ba79b57ef57079b23
MD5 hash: 42c8d23c057b69d3059dfd7bb4af736e
humanhash: fourteen-glucose-may-burger
File name:pedido urgente pdf.exe
Download: download sample
Signature Formbook
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File size:996'352 bytes
First seen:2021-10-21 11:20:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ac55f6686b1348553fd9b5d485943699 (5 x Formbook, 4 x RemcosRAT)
ssdeep 12288:fDug7DeIhyEzPsO4z+oxMOQWHphA3hHx8rkRZQ9XYBk9NAOe6k1+hO/O5N8DoQT6:rt7JhyEz0O4z+OQK79HHQT2ODA
TLSH T139258D36D3CA0DBBF8163EB9D47744BE453E3E392854254B67C8F8A50FB62D97062092
File icon (PE):PE icon
dhash icon 36f0390284e2da70 (12 x RemcosRAT, 7 x Formbook, 1 x OskiStealer)
Reporter pr0xylife
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/199064/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader43.48586.12000.12857.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Modifying an executable file
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger packed
Link:
https://www.filescan.io/uploads/61714d1edb358dd15ecd96d6/reports/f217998c-41cc-49f9-b5ec-83bdad3b02b0/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:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6038c7c4-8f8f-418f-90a0-a306c74f4165
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/874513
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Drops PE files to the user root directory
Found malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Execution from Suspicious Folder
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
Uses netstat to query active network connections and open ports
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 506941 Sample: pedido urgente pdf.exe Startdate: 21/10/2021 Architecture: WINDOWS Score: 100 47 www.plasticstone.icu 2->47 81 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->81 83 Found malware configuration 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 5 other signatures 2->87 11 pedido urgente pdf.exe 1 17 2->11         started        signatures3 process4 dnsIp5 61 cdn.discordapp.com 162.159.134.233, 443, 49746, 49747 CLOUDFLARENETUS United States 11->61 45 C:\Users\Publicbehaviorgraphsdjit.exe, PE32 11->45 dropped 107 Writes to foreign memory regions 11->107 109 Allocates memory in foreign processes 11->109 111 Creates a thread in another existing process (thread injection) 11->111 113 Injects a PE file into a foreign processes 11->113 16 mobsync.exe 11->16         started        file6 signatures7 process8 signatures9 63 Modifies the context of a thread in another process (thread injection) 16->63 65 Maps a DLL or memory area into another process 16->65 67 Sample uses process hollowing technique 16->67 69 2 other signatures 16->69 19 explorer.exe 4 2 16->19 injected process10 dnsIp11 49 www.modischoolcbse.com 156.238.76.214, 49790, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 19->49 89 System process connects to network (likely due to code injection or exploit) 19->89 23 Gsdjit.exe 13 19->23         started        27 Gsdjit.exe 15 19->27         started        29 cscript.exe 19->29         started        31 msdt.exe 19->31         started        signatures12 process13 dnsIp14 51 162.159.135.233, 443, 49754 CLOUDFLARENETUS United States 23->51 53 192.168.2.1 unknown unknown 23->53 55 cdn.discordapp.com 23->55 91 Writes to foreign memory regions 23->91 93 Allocates memory in foreign processes 23->93 95 Creates a thread in another existing process (thread injection) 23->95 33 logagent.exe 23->33         started        57 162.159.129.233, 443, 49755 CLOUDFLARENETUS United States 27->57 59 cdn.discordapp.com 27->59 97 Injects a PE file into a foreign processes 27->97 36 DpiScaling.exe 27->36         started        99 Modifies the context of a thread in another process (thread injection) 29->99 101 Maps a DLL or memory area into another process 29->101 103 Tries to detect virtualization through RDTSC time measurements 29->103 38 cmd.exe 1 29->38         started        signatures15 process16 signatures17 71 Uses netstat to query active network connections and open ports 33->71 73 Modifies the context of a thread in another process (thread injection) 33->73 75 Maps a DLL or memory area into another process 33->75 40 NETSTAT.EXE 33->40         started        77 Sample uses process hollowing technique 36->77 79 Tries to detect virtualization through RDTSC time measurements 36->79 43 conhost.exe 38->43         started        process18 signatures19 105 Tries to detect virtualization through RDTSC time measurements 40->105
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d90b2ee420fc51d84a0c3c3fe2ae4e13b6313cd030be264440538a396dfe7956/
Threat name:
Win32.Downloader.FormBook
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Status:
Malicious
First seen:
2021-10-21 11:21:03 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3efs5zba7ri5qsqmhq76flsoco3dcpgqgc7cmrcakofds3p6pfla._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0726096c82c2c643c7de2ed48533e0a545e71f2294433cd7df473aebe9f17681
Formbook
0b2d1bf2ca75ec2f3db69659158e685cec6efb71e4be9e277af99b3ad0508c11
Formbook
294c51109403fa50956ad9381fea61e33d1ea7bcfe24c0631e42db5fa2258488
Formbook
8d337c03f89aeea3f12d185e748407801dac07b5d6fef1acb99e085b0f452ed0
Formbook
92fee75dbfa7cb48d837b580cc3544832cf116d9991ac9cd0135cef22e535510
Formbook
a93b39035f5ae1ace569c25759239f8c0361bf2462cb22f2a780c14de2821fe4
Formbook
b8b54b232ca4f2ee4362d0d66218e77fbd950922221ab00676d43877904e249b
Formbook
c26154711ca9d9d48de370f242deb560bd0b99a0c8f12a2d1db5d4cd6e25d107
Formbook
ee3cd0b8ec089cdcec65b22189ecc9efb9f356afe0870e424cbdedcf19920e13
Formbook
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:n7ak persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211021-nfzc9abafr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.kmresults.com/n7ak/
Unpacked files
SH256 hash:
651d2f39c341c86341babbf45e367c1fe183f49348f3816f91920e08ed057d2a
MD5 hash:
100b966ad7ecd1ba763f069d4f1c27d6
SHA1 hash:
630ce76fda48fa229e41cf3e5b70f21af8288af0
Detections:
win_temple_loader_w0
Create hunting rule
Link:
https://www.unpac.me/results/8bf7b715-37dd-4b74-bdb2-f370c21700f7/
Parent samples :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 hash:
d90b2ee420fc51d84a0c3c3fe2ae4e13b6313cd030be264440538a396dfe7956
MD5 hash:
42c8d23c057b69d3059dfd7bb4af736e
SHA1 hash:
a5f7fe4e31d69c1e452f513ba79b57ef57079b23
Link:
https://www.unpac.me/results/8bf7b715-37dd-4b74-bdb2-f370c21700f7/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d90b2ee420fc/report/overview.html
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/d90b2ee420fc51d84a0c3c3fe2ae4e13b6313cd030be264440538a396dfe7956

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_InTheFuture
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Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/199064/

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