MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f849b2eff2280adf1041388bbad6fc2e4f047c36b6d942ecd4e07946352049c. 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 4 File information Comments
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SHA256 hash: 5f849b2eff2280adf1041388bbad6fc2e4f047c36b6d942ecd4e07946352049c
SHA3-384 hash: bcc1f32f4f9d6ae180f88ac59f0715f3206fef072406c3c81d7a1bdf3a38d65a0ae8ebb74cf977ca1c8cf6fce6b2b082
SHA1 hash: 545da9f150fcdf0994b87d09b26963c3a2788665
MD5 hash: b9c97800cf3e146a5ab333672363db14
humanhash: north-stream-connecticut-river
File name:1ZA109T4043832978.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:890'880 bytes
First seen:2021-09-29 16:06:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 24576:tD4VHfQe6ZyWshg+qbZxTZZWunAWvp3M3vzRD6/Kf3grZB:/N4vz9UKfwlB
Threatray 9'821 similar samples on MalwareBazaar
TLSH T132157C5AB50CF6CAFC25B3F02124BCC411EC1D581A6EAA27B97171D6B0B9D27DCB604E
File icon (PE):PE icon
dhash icon 6c454a4c4c4a456c (8 x Formbook, 4 x SnakeKeylogger, 3 x AgentTesla)
Reporter ffforward
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
1
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/193234/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.FRV.genEldorado.8824.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6a676505-c5bc-479e-a44c-22977709e914
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/861326
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
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
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: 493754 Sample: 1ZA109T4043832978.exe Startdate: 30/09/2021 Architecture: WINDOWS Score: 100 31 www.goldenwaxi.com 2->31 33 shops.myshopify.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 8 other signatures 2->47 11 1ZA109T4043832978.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\1ZA109T4043832978.exe.log, ASCII 11->29 dropped 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 1ZA109T4043832978.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 35 empresafabago.com 192.0.78.24, 49830, 80 AUTOMATTICUS United States 18->35 37 www.whwzhsw.com 18->37 39 10 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 msdt.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 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       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5f849b2eff2280adf1041388bbad6fc2e4f047c36b6d942ecd4e07946352049c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-29 16:07:06 UTC
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l6cjwlx7ekak34iecoelxllpylspar6dnnwzilwnjydziy2sasoa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0c22acaa973cbb781aea92dc1fb5a8c7cc1fd2abd403f2a6b9703f8f1e1c8657
Formbook
129d230573fdb00a681a7f0c507bc16d2efcd08c4408f544f1d7653162b2cd92
Formbook
1771bccdd4c4fdc7d50d97ac10e5b1e0f980a4ff31233c59e9cfa17e9cd36a24
Formbook
50c6754cbbd313acc6a250182439a1191d8f8318f0794feea75bd647b6205f7a
Formbook
6724b4abaf05bc011ee266d499d2eecadd61a305cd0a8e3c099193a3b9323a3c
Formbook
75772375acbcfb6cb668fc2449671a6a83afe1434184ac7c01fd895825fcf5e6
Formbook
c6ac9c7f14e2fe9196fe5fdd2a30236a157d4c04c0e5c9dc84e8592984756717
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
dae6ba220bb0a34de731b57965753391343bfe96f9f3fa4fea48102d3377ccf7
Formbook
e51c60f40080414b74c2eeef62780b28aa31c7875dada6dc2097323a61cc8396
Formbook
+ 9'811 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:tr7h loader rat
Link:
https://tria.ge/reports/210929-tkmsxafce2/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.globalinterchangellc.com/tr7h/
Unpacked files
SH256 hash:
022cc592d1ff9f30188bc5188ab8ab77240d4d68ef768ef340b63fde0f7e9828
MD5 hash:
d1c6271ed75a254f7ad810a8a340cf70
SHA1 hash:
e3149ba956832e5b0a38e2812c0a36b0c0e5cf28
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ed016e5b-37db-47cd-a32f-b500b44596aa/
SH256 hash:
c08e5bf2eab4c59d0de5e5007bc76cfaa0b0780b1c6868d06ead9407004eab2c
MD5 hash:
d439e78d45a4ecbba199bc91364fc64d
SHA1 hash:
7e4be8fe96bf644c655e2f1513164308714694d6
Link:
https://www.unpac.me/results/ed016e5b-37db-47cd-a32f-b500b44596aa/
SH256 hash:
6fef8420a8bd6a90cfe7ac8aeb0e3811422b9b6cb9e0b14ea03f5236438f72ba
MD5 hash:
10c7772f435231d58046e0dc34def127
SHA1 hash:
38c8f9ffb5136848d62582ef41bab6c810121c74
Link:
https://www.unpac.me/results/ed016e5b-37db-47cd-a32f-b500b44596aa/
SH256 hash:
f7d272daf3522f99ca67b99bfe557564baba239104c7f20cef842f2e870bdf28
MD5 hash:
cceaca53d81061c0f1c6cf35ca7bf34b
SHA1 hash:
23ba45b249e0e4bdc5a8d4b4b07e2f7509cf85be
Link:
https://www.unpac.me/results/ed016e5b-37db-47cd-a32f-b500b44596aa/
SH256 hash:
e79402a1c492f83549c66224185c00bf41116afece5f556c1d86347d84a5ac30
MD5 hash:
f4c31f39e2a5986af1e622a43ddc68a5
SHA1 hash:
0621ec0348c9ef81a535f81248bba3eede8f6009
Link:
https://www.unpac.me/results/ed016e5b-37db-47cd-a32f-b500b44596aa/
SH256 hash:
5f849b2eff2280adf1041388bbad6fc2e4f047c36b6d942ecd4e07946352049c
MD5 hash:
b9c97800cf3e146a5ab333672363db14
SHA1 hash:
545da9f150fcdf0994b87d09b26963c3a2788665
Link:
https://www.unpac.me/results/ed016e5b-37db-47cd-a32f-b500b44596aa/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/5f849b2eff22/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/5f849b2eff2280adf1041388bbad6fc2e4f047c36b6d942ecd4e07946352049c

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/193234/

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