MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b08d103ca391e1023d2b40ac31d0940124e81914eeea79b86c01b7566be546e2. 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: b08d103ca391e1023d2b40ac31d0940124e81914eeea79b86c01b7566be546e2
SHA3-384 hash: 2ad79d4f933afcff1eabf90978ff4562941b43f932a616dca82011db75118199ed63a95102bcd9f57dd48d312fa4b023
SHA1 hash: 790d345e0f15b93b6f7190c11e7c98a0f71df8cf
MD5 hash: c50bc8464f722d1c3e5b33e4ec6de2c5
humanhash: saturn-missouri-alpha-oranges
File name:c50bc8464f722d1c3e5b33e4ec6de2c5.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:747'008 bytes
First seen:2021-11-15 09:18:40 UTC
Last seen:2021-11-15 11:14:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:CRWzQhIGdkuQFDxOSSgFBAiTFH4eZqvCikUQys+uWWLp5yD2cfrD:9lxOSSgFlTFH4ecvCihs+Cv2zX
TLSH T1BAF49D5426E49E2FD1AE037CE0A94424C3F4E511664BE72F1F90E5BC2CB73A2CD456AB
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/205861/
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.42063.23662.19979.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619226093edf00a722d51336/reports/dc286b06-3e63-4f16-b64f-737341935a9b/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/b788ac9b-b76e-4228-8cae-c24e9f629a59
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/889253
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
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: 521728 Sample: P2ksVm3Man.exe Startdate: 15/11/2021 Architecture: WINDOWS Score: 100 26 www.pinturasyaditivosduar.com 2->26 28 www.arairazur.xyz 2->28 30 pinturasyaditivosduar.com 2->30 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 7 other signatures 2->54 10 P2ksVm3Man.exe 3 2->10         started        signatures3 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Injects a PE file into a foreign processes 10->58 13 P2ksVm3Man.exe 10->13         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 13->60 62 Maps a DLL or memory area into another process 13->62 64 Sample uses process hollowing technique 13->64 66 Queues an APC in another process (thread injection) 13->66 16 control.exe 13->16         started        19 explorer.exe 13->19 injected process8 dnsIp9 38 Self deletion via cmd delete 16->38 40 Modifies the context of a thread in another process (thread injection) 16->40 42 Maps a DLL or memory area into another process 16->42 44 Tries to detect virtualization through RDTSC time measurements 16->44 22 cmd.exe 1 16->22         started        32 www.webdyx.com 152.32.213.254, 49821, 80 UHGL-AS-APUCloudHKHoldingsGroupLimitedHK Hong Kong 19->32 34 kondanginyuk.online 2.57.89.85, 49792, 80 AS-HOSTINGERLT Lithuania 19->34 36 7 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 signatures10 process11 process12 24 conhost.exe 22->24         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/b08d103ca391e1023d2b40ac31d0940124e81914eeea79b86c01b7566be546e2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-15 09:19:08 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:zaip loader rat
Link:
https://tria.ge/reports/211115-k971psefhk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.madlyrics.net/zaip/
Unpacked files
SH256 hash:
e1f33a1e08a16bd9b37125ebb19ced0a44c7188dc99a013a0e10f4d2bd1a09d4
MD5 hash:
686944d0803827376434972e678a597a
SHA1 hash:
556157089c3886398f9434b0ab3fbec084dd7ad6
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/bdd945f6-cb72-41dd-a430-cbd50ebb5c81/
Parent samples :
96a271477f33ca32c83ef13074b3a17de6cc7710372ce3b39146bfb39a86d582
b08d103ca391e1023d2b40ac31d0940124e81914eeea79b86c01b7566be546e2
feb1580ad2cafa137008087673e30951af8d9cb32b575933267153505e9d633f
SH256 hash:
60f25b8bad13dacce1da77547999d9e6947c62ecd59d56c474121e2f0f6848e6
MD5 hash:
de84592aa56b11d6848686c731841d3d
SHA1 hash:
c15374387ec10c31a46f686b326e1f32af4d4ed7
Link:
https://www.unpac.me/results/bdd945f6-cb72-41dd-a430-cbd50ebb5c81/
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
Link:
https://www.unpac.me/results/bdd945f6-cb72-41dd-a430-cbd50ebb5c81/
SH256 hash:
b08d103ca391e1023d2b40ac31d0940124e81914eeea79b86c01b7566be546e2
MD5 hash:
c50bc8464f722d1c3e5b33e4ec6de2c5
SHA1 hash:
790d345e0f15b93b6f7190c11e7c98a0f71df8cf
Link:
https://www.unpac.me/results/bdd945f6-cb72-41dd-a430-cbd50ebb5c81/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b08d103ca391/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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.

Web download

Formbook

Executable exe b08d103ca391e1023d2b40ac31d0940124e81914eeea79b86c01b7566be546e2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1776758/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/205861/

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