MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49f94b3fbaf875cb2c223cdee59cfdedf4b2b937fba4a473cf2e4f767b44cb4c. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: 49f94b3fbaf875cb2c223cdee59cfdedf4b2b937fba4a473cf2e4f767b44cb4c
SHA3-384 hash: 6718605fd1d035bfcc19fa6a3faba10cd3787dbb72f81bc9bc888ef46232fcb78a9767dec47bbfc2a55af1d53d8716e0
SHA1 hash: 0d30d09152f281dc0717fb354270ac66dc099b25
MD5 hash: 647deef7e0f7716f0c4b568e4ed71fd6
humanhash: east-maryland-equal-hydrogen
File name:FedEx shipment Doc.exe
Download: download sample
Signature Formbook
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File size:1'052'160 bytes
First seen:2022-03-09 15:11:18 UTC
Last seen:2022-03-09 17:05:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:zXD5ktf46N8crCTohmQDgHyg3nigNQDc:zD5ktA6NTHHKjN9
Threatray 13'272 similar samples on MalwareBazaar
TLSH T14A25AEE629EF405DF377ABB12FC8F8CE996AEA73251A30DB14510B368523A40CD61735
Reporter abuse_ch
Tags:exe FedEx FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/248732/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.7012.27127.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/6228c3c8dfdfa8501c80d840/reports/cec9b383-9893-4da5-95b2-2769055a1af7/overview
Result
Verdict:
SUSPICIOUS
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/433ebd12-9228-4cf0-adfe-7c9ac70f668b
Result
Threat name:
FormBook gzRat
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/953772
Signature
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
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Yara detected gzRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 586254 Sample: FedEx shipment Doc.exe Startdate: 09/03/2022 Architecture: WINDOWS Score: 100 31 www.nagoyaenglish.com 2->31 33 www.cursosonlinebrs.com 2->33 35 2 other IPs or domains 2->35 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 7 other signatures 2->47 11 FedEx shipment Doc.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\FedEx shipment Doc.exe.log, ASCII 11->29 dropped 61 Injects a PE file into a foreign processes 11->61 15 FedEx shipment Doc.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 Queues an APC in another process (thread injection) 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.492721.com 18->37 39 www.3963.space 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Uses ipconfig to lookup or modify the Windows network settings 18->51 22 ipconfig.exe 18->22         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 22->53 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/49f94b3fbaf875cb2c223cdee59cfdedf4b2b937fba4a473cf2e4f767b44cb4c/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-03-09 15:12:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
14 of 42 (33.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jh4uwp527b24wlbchtpolhh55x2lfojx7oski46pfzhxm62eznga._file
Verdict:
malicious
Label(s):
formbook
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Similar samples:
5645d9e38c998f5db43ae93e35339d7dca0a96b81f806b370624e7410e2eea0a
Formbook
6a68426f18f239950d5bb0d82223890b44ea10de5a5fa83294457dd3dcdc5068
Formbook
9bceb9680d39094087add5289a7e19aa93168faf9c5f2465700b117d59e8d841
Formbook
d3a05e3c59773122c743c4ba81f62be36f37b0528911c45b3ba559cf38c210c9
Formbook
d3fae1feacb2e75560f838099213ae33385d6a0a11caa222a4f09024721e2720
Formbook
dadfe6c54e7000472e145b38e7410fbfef963566a06811ede626705a9e98a53e
Formbook
e649ef1ecf0e0daefe140fa78271435271c8d55607f8365ddef4d94b66bfdfdd
Formbook
e745791e3faad64dc3c475e87b458ac60853d5ca429a32b812c6bacbc841ef99
Formbook
ea94995d23d53a98a949a242022cbd9bc5b7a4320c3fb6c045370b15704e4004
Formbook
f725b6a2466a6f4c7084eeab5994e30b8ef836633c1a84d85c1899deb1808d3c
Formbook
+ 13'262 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:qdq1 loader rat
Link:
https://tria.ge/reports/220309-sk614shgc2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
.NET Reactor proctector
Xloader Payload
Xloader
Unpacked files
SH256 hash:
5dcb0b7bf6a2bc85df6e8569cf967e9318c2e9b2b87634fcbeb20115de686cf8
MD5 hash:
240f5418160ba883e04fa2653e72ae99
SHA1 hash:
18c8fb1ecdf65e3f9dbdb25e302388649209ce49
Detections:
win_formbook_g0
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win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ce439c1c-d5d2-4681-97ae-77c501dff2a5/
Parent samples :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 hash:
94b26ddd94d9b633b5a19b51d3cb729297aff5072a99175aba25a6744d3dfad1
MD5 hash:
e4cdf79e3d7618f6d18617428aa7c3fc
SHA1 hash:
f735b1472effcc40559b90df7305268929031080
Link:
https://www.unpac.me/results/ce439c1c-d5d2-4681-97ae-77c501dff2a5/
SH256 hash:
9b00e2fa33ad72dec22a5e107ab6886da72bbe0bed89a721e877c1dc3ce6a662
MD5 hash:
b4c9c16228f0ee1de70ffc6264fb720c
SHA1 hash:
437049e452a511e220abdb32df695cdf07f5a7d0
Link:
https://www.unpac.me/results/ce439c1c-d5d2-4681-97ae-77c501dff2a5/
SH256 hash:
cd3beac0a89df5e004e2a77bca6da7175d3f6d6bb63db42e5af4af35a33d0dbc
MD5 hash:
73b45533ce314385f0fa355148ebf433
SHA1 hash:
065fa8ed609d1b3e85eedd253fffc987e03f011a
Link:
https://www.unpac.me/results/ce439c1c-d5d2-4681-97ae-77c501dff2a5/
SH256 hash:
49f94b3fbaf875cb2c223cdee59cfdedf4b2b937fba4a473cf2e4f767b44cb4c
MD5 hash:
647deef7e0f7716f0c4b568e4ed71fd6
SHA1 hash:
0d30d09152f281dc0717fb354270ac66dc099b25
Link:
https://www.unpac.me/results/ce439c1c-d5d2-4681-97ae-77c501dff2a5/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/49f94b3fbaf8/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/49f94b3fbaf875cb2c223cdee59cfdedf4b2b937fba4a473cf2e4f767b44cb4c

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.

Cape
Cape
https://www.capesandbox.com/analysis/248732/

Comments