MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 290a46cb558e5a98e28e74d3da5264d41bf2c9a6f20bf13a34c76037413b84f6. 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: 290a46cb558e5a98e28e74d3da5264d41bf2c9a6f20bf13a34c76037413b84f6
SHA3-384 hash: b148c8ab875af3f99cbc8ed6c277cf6c84a7f3fc36bfd24ca3d08f7d0650800c2bd0824b03f6b06745e18d3a7b72adee
SHA1 hash: 4390b977551717f392678d5ce12492fe84a70e1d
MD5 hash: c1bb3b62a19bbca75a02771672bee634
humanhash: quiet-whiskey-purple-paris
File name:c1bb3b62a19bbca75a02771672bee634.exe
Download: download sample
Signature Formbook
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File size:1'105'920 bytes
First seen:2022-03-28 08:05:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:KpM5UjoUr/CFpmh20jS87lYSm/VatUSJimZK33:AjoU7CFpmhHu8JYSmfQPI33
Threatray 13'987 similar samples on MalwareBazaar
TLSH T14235F01132E45B85E03A63B6DC6944DC83757E1A6D7CD22F1DC271CF1AB1B828A2AF47
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/258493/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.29201.6895.8307.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe explorer.exe findstr.exe greyware obfuscated packed replace.exe shell32.dll update.exe
Link:
https://www.filescan.io/uploads/62416c6e9253b276b78d6e51/reports/691df3de-0109-4bd3-95bb-f76e2b930a05/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/5e816d2b-ba60-4fff-9030-3f4a36717b69
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/965598
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Self deletion via cmd delete
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: 598078 Sample: FkkMiQvDB4.exe Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 31 www.immets.com 2->31 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 6 other signatures 2->41 11 FkkMiQvDB4.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\FkkMiQvDB4.exe.log, ASCII 11->29 dropped 53 Tries to detect virtualization through RDTSC time measurements 11->53 15 FkkMiQvDB4.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Queues an APC in another process (thread injection) 15->59 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.entrustqlxorx.online 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 chkdsk.exe 18->22         started        signatures11 process12 signatures13 45 Self deletion via cmd delete 22->45 47 Modifies the context of a thread in another process (thread injection) 22->47 49 Maps a DLL or memory area into another process 22->49 51 Tries to detect virtualization through RDTSC time measurements 22->51 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/290a46cb558e5a98e28e74d3da5264d41bf2c9a6f20bf13a34c76037413b84f6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-28 11:00:33 UTC
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
01c73f71338af78f906544a2f2b1a685870d5ebc23903934af46e28c7886089e
Formbook
2bb47abc0ec7e4e48aa80d53e19056c6adbef6b1392b3816aa335364325870fb
Formbook
3621aded8ecef2d269382fa26ea42d634a89f6d31de2529207da8024dec74226
Formbook
a2c0c62a11f867cff9fe7cd1b2597c9a7bb1c268e18e35289d6f7afdb2adbdbc
Formbook
af985554eebc4990f77fc7c337d7af4367c2e28acbb41386669e5fa3bb55fbcd
Formbook
b7abbe227ce2d0bb2c611e6e5b67e220261a5f2218ef18b22e3a794789cb1bfc
Formbook
c68894e6a7551cdf34c082a0ba372f9544d07aee0f2d09dfb7fed3e664e91aaf
Formbook
f440de2871ef2d9b24f7e2d4323841b5a01e7730e33910ad712627580282af45
Formbook
fce51b6f1f69629c651dfaedbcdcb55d25da39e8184614c1cb26e4c247f6d3ac
Formbook
+ 13'977 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:w6ot loader rat
Link:
https://tria.ge/reports/220328-jzd47sdcfk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
95be8af8aa0914fc9109f637a7029a091d02c278c6f7d44a4f951aa7e4667d9e
MD5 hash:
411930822f5a4521d00377405d4e3853
SHA1 hash:
4ec598cd93660168655eb1afa2eb3a3c809fcfc0
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e50ab953-e6a5-4ab6-a1d4-1d501ad854dc/
Parent samples :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 hash:
04de9efc75f424de946f18d9e74d04ce292f6de9e7c8b14e3d21f15a26445429
MD5 hash:
68d572577b7b847eb537f975311c965c
SHA1 hash:
a69a06f627b1402f043e148fa411452a9363a859
Link:
https://www.unpac.me/results/e50ab953-e6a5-4ab6-a1d4-1d501ad854dc/
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
Link:
https://www.unpac.me/results/e50ab953-e6a5-4ab6-a1d4-1d501ad854dc/
SH256 hash:
098e80fa99ab031b7e83f7a461802ca438490ed6120531d8973f7b73a1dbefd4
MD5 hash:
1db26b7dbea3e40e6a49a7220e33130c
SHA1 hash:
20a8ac3358a7ea3834c138cb856e67310519b7cf
Link:
https://www.unpac.me/results/e50ab953-e6a5-4ab6-a1d4-1d501ad854dc/
SH256 hash:
290a46cb558e5a98e28e74d3da5264d41bf2c9a6f20bf13a34c76037413b84f6
MD5 hash:
c1bb3b62a19bbca75a02771672bee634
SHA1 hash:
4390b977551717f392678d5ce12492fe84a70e1d
Link:
https://www.unpac.me/results/e50ab953-e6a5-4ab6-a1d4-1d501ad854dc/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/290a46cb558e/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/290a46cb558e5a98e28e74d3da5264d41bf2c9a6f20bf13a34c76037413b84f6

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 290a46cb558e5a98e28e74d3da5264d41bf2c9a6f20bf13a34c76037413b84f6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2108904/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/258493/

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