MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e7b25533fdafa02c367a0894970faf02221cd343656c7106abea02ff128883b0. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1
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SHA256 hash: e7b25533fdafa02c367a0894970faf02221cd343656c7106abea02ff128883b0
SHA3-384 hash: 5d2080f8d7c9add0e1662960093632b9696802f2560523d4bec5e0cc441b7b86555e2310f7dd47c5df6a3481ea66690d
SHA1 hash: af436796ea9d7fea665b6d7050c4872680be3435
MD5 hash: 36426114434ba20c04d1213e298ce436
humanhash: victor-uncle-spaghetti-beryllium
File name:36426114434ba20c04d1213e298ce436
Download: download sample
Signature Formbook
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File size:30'720 bytes
First seen:2022-06-13 21:55:12 UTC
Last seen:2022-06-13 22:39:59 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 768:DK20d3bUU44lCNf7ojFYwQ7XvLWRgcL0ST8iNxy2E:D/i3bUU44lsm7oWRgcL9HNxvE
TLSH T1DBD2C05BF794CB2AE9B60B316F7353014BB4B452CC23DB6EB880510B6E233A10993A75
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b28ccaacda53d39b (34 x Formbook, 1 x BitRAT, 1 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
370
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
36426114434ba20c04d1213e298ce436
Verdict:
Malicious activity
Analysis date:
2022-06-13 21:57:36 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/aed24a73-b176-4850-ac33-b116eba9bfc7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/279537/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.4476.9347.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Reading critical registry keys
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a7b2918763ffd4adc07ba0/reports/2b94e3b7-03f9-4098-8a07-6f634c399e43/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/bde3b287-a750-49e9-857c-47b6f573cc37
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1012446
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
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
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 644942 Sample: aNtxWfz93f Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 48 www.hilleleven.xyz 2->48 50 www.bernardklein.com 2->50 52 8 other IPs or domains 2->52 74 Snort IDS alert for network traffic 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 Antivirus detection for URL or domain 2->78 80 8 other signatures 2->80 11 aNtxWfz93f.exe 15 7 2->11         started        signatures3 process4 dnsIp5 56 lambweston.ga 192.185.174.179, 49771, 80 UNIFIEDLAYER-AS-1US United States 11->56 44 C:\Users\user\AppData\...\aNtxWfz93f.exe.log, ASCII 11->44 dropped 46 C:\Users\user\AppData\...\Kjurtafb.exe, PE32 11->46 dropped 84 Creates an undocumented autostart registry key 11->84 16 MSBuild.exe 11->16         started        19 MSBuild.exe 11->19         started        21 cmd.exe 1 11->21         started        23 2 other processes 11->23 file6 signatures7 process8 signatures9 58 Modifies the context of a thread in another process (thread injection) 16->58 60 Maps a DLL or memory area into another process 16->60 62 Sample uses process hollowing technique 16->62 64 Queues an APC in another process (thread injection) 16->64 25 explorer.exe 16->25 injected 66 Tries to detect virtualization through RDTSC time measurements 19->66 28 conhost.exe 21->28         started        30 timeout.exe 1 21->30         started        32 conhost.exe 23->32         started        process10 signatures11 82 Uses netsh to modify the Windows network and firewall settings 25->82 34 netsh.exe 25->34         started        process12 signatures13 68 Modifies the context of a thread in another process (thread injection) 34->68 70 Maps a DLL or memory area into another process 34->70 72 Tries to detect virtualization through RDTSC time measurements 34->72 37 explorer.exe 2 178 34->37         started        40 cmd.exe 1 34->40         started        process14 dnsIp15 54 192.168.2.1 unknown unknown 37->54 42 conhost.exe 40->42         started        process16
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/e7b25533fdafa02c367a0894970faf02221cd343656c7106abea02ff128883b0/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2022-06-13 21:56:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
13 of 26 (50.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=46zfkm75v6qcynt2bckjod5pairbzu2dmvwhcbvl5ibp6euiqoya._file
Verdict:
malicious
Label(s):
formbook
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masslogger
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:s4s9 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220613-1tb64afcb8/
Behaviour
Delays execution with timeout.exe
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
e7b25533fdafa02c367a0894970faf02221cd343656c7106abea02ff128883b0
MD5 hash:
36426114434ba20c04d1213e298ce436
SHA1 hash:
af436796ea9d7fea665b6d7050c4872680be3435
Link:
https://www.unpac.me/results/ae90c45a-8ecc-48fe-b41a-d7650e5ef7ee/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e7b25533fdaf/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/e7b25533fdafa02c367a0894970faf02221cd343656c7106abea02ff128883b0

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: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 e7b25533fdafa02c367a0894970faf02221cd343656c7106abea02ff128883b0

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2236930/
Cape
Cape
https://www.capesandbox.com/analysis/279537/

Comments


Avatar
zbet commented on 2022-06-13 21:55:15 UTC

url : hxxp://104.168.32.14/k/vbs.exe