MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e8d97e372393e458db3042dc7af177297996a7db4a1eb6bd8fb34b7e114b4ec. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8e8d97e372393e458db3042dc7af177297996a7db4a1eb6bd8fb34b7e114b4ec
SHA3-384 hash: 2cd703d39b8b885d529308e3f910a4a8b2ef75a855bb18c02df275ff78755da217673daef385041ccebd2343aa8f312e
SHA1 hash: 9941bef83f7a3bb9b86fd887b7f89d9e23314df4
MD5 hash: 69ea3101fbf9e167f83e30efbc27b531
humanhash: five-bravo-mirror-august
File name:invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:555'520 bytes
First seen:2021-05-19 06:26:39 UTC
Last seen:2021-05-24 10:06:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:JtxLgjCLjVoKQo3EHAqyVjbWQ/O3eSEV1NZPNx1Jp9go1vlxx6DaFAhdnRSwtnES:JtxUo2C/1WQGOSEHFzCSprS7zLjgKzJ
Threatray 5'186 similar samples on MalwareBazaar
TLSH C2C4F1320B485F83CBEAE1B9C055154D83F4E227A157FB88BEA244F577C9B6837B0919
Reporter GovCERT_CH
Tags:FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-19 07:25:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cfdc10be-b1b7-4eb3-99c8-eff6fced3e41

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/158377/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.747-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/784594
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
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
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
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 416992 Sample: invoice.exe Startdate: 19/05/2021 Architecture: WINDOWS Score: 100 31 www.knowledge-space900.com 2->31 33 www.funkymonkeygolfgifts.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 10 other signatures 2->47 11 invoice.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\invoice.exe.log, ASCII 11->29 dropped 59 Writes to foreign memory regions 11->59 61 Injects a PE file into a foreign processes 11->61 15 RegSvcs.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 2 other signatures 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.getcrackz.com 156.224.60.52, 49726, 80 VPSQUANUS Seychelles 18->35 37 www.lebigconcours.com 213.186.33.5, 49729, 80 OVHFR France 18->37 39 16 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Performs DNS queries to domains with low reputation 18->51 22 chkdsk.exe 18->22         started        signatures11 process12 signatures13 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       
Gathering data
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-05-19 03:53:37 UTC
AV detection:
8 of 47 (17.02%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r2gzpy3she7eldntaqw4plyxoklzs2t5wsq6w26y7m2lpyiuwtwa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
489e0e46a5df58a3144cd7a3ecb1fd0e29aa2db5060084ec774f1d2c8c763fd9
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a557dd45c97fa26c318728d77a46ea6b69afba06d1cbdc00975fe27492c5f17a
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aace20e28e61cb328da74ff938231b1ce9a07498d477efe3efc5c5d3d04b9dc1
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b55552391ee123f26e577b412c0df78bd0a59644ec510d1e7e708feff12a2abb
Formbook
dc5f7d89ab2465597ff7fa9f544326613aeaab2afa6e2e457ba5fc0da15bd450
Formbook
+ 5'176 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210519-9t5d4gfs3n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.wt336688.com/3edq/
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/8e8d97e372393e458db3042dc7af177297996a7db4a1eb6bd8fb34b7e114b4ec

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
Create hunting rule
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 8e8d97e372393e458db3042dc7af177297996a7db4a1eb6bd8fb34b7e114b4ec

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/158377/

Comments