MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a15402c5f869a1c02421742c27dd71c2448bb037d391a6bf130be06b2f976e2f. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: a15402c5f869a1c02421742c27dd71c2448bb037d391a6bf130be06b2f976e2f
SHA3-384 hash: dca1dc00c2d20196aed3c1a210c07784637c72bbbcd7f21826a36fbdaee709291989565ec0271dbca79e1c8c597cf5b0
SHA1 hash: 6573c9dd229e50981aa24128ad02a07e99805369
MD5 hash: 0e99d13aafcc5e8fadc45d8b85336d9b
humanhash: seven-berlin-beer-jig
File name:0e99d13aafcc5e8fadc45d8b85336d9b.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:595'968 bytes
First seen:2022-01-13 19:16:58 UTC
Last seen:2022-01-13 20:49:49 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 12288:IK777777777777YPLgd5c/MhOk1nFhLuxbW54Tz/9KOgKTZZtqIQ2x:IK777777777777YMd5cmOksxOeBEQjD
TLSH T173C4F1AD3260C70FF6C29FF845B4A260D3B05CE7385AD608A67274B641FA7D92D92473
File icon (PE):PE icon
dhash icon d6fafaf2f2dadac4 (1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ IMAGES AND SPECIFICATIONS-DTD JANUARY 2022.xlsx
Verdict:
Malicious activity
Analysis date:
2022-01-13 13:27:11 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/73b79a2f-7d1d-43b0-8fd8-370d1f4bd1a5

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/219129/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.24350.16808.2312.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61e07ab5e997359713e7b19d/reports/36ecb656-8815-4e9d-b760-1d48c5a32652/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7dc51ca2-f2f4-49ad-ab1a-3edc1f8d827a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/920377
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
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 signatures2 2 Behavior Graph ID: 552852 Sample: Fp4grWelSC.exe Startdate: 13/01/2022 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 7 other signatures 2->40 10 Fp4grWelSC.exe 3 2->10         started        process3 file4 32 C:\Users\user\AppData\...\Fp4grWelSC.exe.log, ASCII 10->32 dropped 50 Tries to detect virtualization through RDTSC time measurements 10->50 52 Injects a PE file into a foreign processes 10->52 14 Fp4grWelSC.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 process9 19 cmd.exe 17->19         started        22 autochk.exe 17->22         started        signatures10 42 Self deletion via cmd delete 19->42 44 Modifies the context of a thread in another process (thread injection) 19->44 46 Maps a DLL or memory area into another process 19->46 48 Tries to detect virtualization through RDTSC time measurements 19->48 24 cmd.exe 1 19->24         started        26 explorer.exe 1 152 19->26         started        28 explorer.exe 124 19->28         started        process11 process12 30 conhost.exe 24->30         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/a15402c5f869a1c02421742c27dd71c2448bb037d391a6bf130be06b2f976e2f/
Threat name:
ByteCode-MSIL.Trojan.KryptikAGen
Create hunting rule
Status:
Malicious
First seen:
2022-01-13 15:57:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:pnug loader rat
Link:
https://tria.ge/reports/220113-xzc4sscbg3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
f633a35d33be3674dafec674e27d9a43661ad47b810cc7385d6ef0c010d4674c
MD5 hash:
473f90ff7f0ca5d29ad56c65f61b8e6a
SHA1 hash:
68938b0956098d3fdad50d46fad3531b39dde34d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e880a219-bbe4-4f07-8b55-92901016dd58/
Parent samples :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 hash:
2a60b7e402951f53518358ab17ffab4d0b9674243141818ab87a7f5230d56247
MD5 hash:
f8e253e511dffdfa0ad42855d0da0541
SHA1 hash:
e59ec1bd7455c3a75037635511a77aef33618527
Link:
https://www.unpac.me/results/e880a219-bbe4-4f07-8b55-92901016dd58/
SH256 hash:
7c8ce166b19a8e0dbff8a4d971c1a52ab1a259dea10b325b51b4e4917433d4b9
MD5 hash:
a954005a9d1546fadfdfbbbb6a168b29
SHA1 hash:
e49b2d5a2bffe484100e760b28ea4581f961d661
Link:
https://www.unpac.me/results/e880a219-bbe4-4f07-8b55-92901016dd58/
SH256 hash:
a15402c5f869a1c02421742c27dd71c2448bb037d391a6bf130be06b2f976e2f
MD5 hash:
0e99d13aafcc5e8fadc45d8b85336d9b
SHA1 hash:
6573c9dd229e50981aa24128ad02a07e99805369
Link:
https://www.unpac.me/results/e880a219-bbe4-4f07-8b55-92901016dd58/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a15402c5f869/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/a15402c5f869a1c02421742c27dd71c2448bb037d391a6bf130be06b2f976e2f

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 a15402c5f869a1c02421742c27dd71c2448bb037d391a6bf130be06b2f976e2f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1948988/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/219129/

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