MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 503f83e4dea1cb3a70d4c309471ea87756a2465c64533d2ea7103b37bd787788. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 503f83e4dea1cb3a70d4c309471ea87756a2465c64533d2ea7103b37bd787788
SHA3-384 hash: 5a5ca303cad9d67b2443721051e2eac2f74caaf38f5d5993cba501c498531ece103d256a85d4e226c6569ef54163a088
SHA1 hash: 771ce42cdf8aa5b0da1f2d5cdf88e2ed16735a06
MD5 hash: 08aea19fadc599085af26e1ec9f85e24
humanhash: massachusetts-uranus-skylark-maine
File name:SOW & Drawings.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:918'016 bytes
First seen:2021-07-20 18:38:58 UTC
Last seen:Never
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:EoBXBhgpLPMjH+iWHyvUIZbV5PNjHPjb0l4SQwYAiD/+jOWIuXmhV:t3gpL0tvDB55b0mvw6WCWIuX
Threatray 9'130 similar samples on MalwareBazaar
TLSH T1F915CF2113E7A244EC3E67BC8834C14597BB7016C67FE76D2DC840EE2E72761AA97352
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOW & Drawings.exe
Verdict:
Malicious activity
Analysis date:
2021-07-20 18:40:05 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/25981176-3c3b-40bb-aa2b-e02744af3875

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/172877/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.935-1.UNOFFICIAL
Create hunting rule

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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8127c34c-6c40-4505-8598-408db216a6d7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/819172
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 451581 Sample: SOW & Drawings.exe Startdate: 20/07/2021 Architecture: WINDOWS Score: 100 31 www.onlineconverseshop.com 2->31 33 www.deborah-williams-sculpture.com 2->33 35 deborah-williams-sculpture.com 2->35 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Yara detected FormBook 2->43 45 3 other signatures 2->45 11 SOW & Drawings.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\SOW & Drawings.exe.log, ASCII 11->29 dropped 55 Injects a PE file into a foreign processes 11->55 15 SOW & Drawings.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.onlineconverseshop.com 196.196.6.105, 80 AS-60485EU Seychelles 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 WWAHost.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/503f83e4dea1cb3a70d4c309471ea87756a2465c64533d2ea7103b37bd787788/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-20 18:39:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ka7yhzg6uhftu4guymeuohvio5lkers4mrjt2lvhca5tpplyo6ea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
224ddfe0908d9cc2833a8f0f4c28f8a95ba1975cc0e8da5434a8ce17df54f972
Formbook
2d3642f2c997cdd1a84d283738cd6d09f321f681dbc26fab6cca262d59401e20
Formbook
4f588080c3618162c1bd0337092af0ba118b7277de6c2043a988562efdb0cbbb
Formbook
54ab4a1cdce2eb6cac3d05ca5eb317a247a6b5e9164d8c1067f1601953ec8729
Formbook
61be8eb2905c08febca2821b39701ea6a361ae21e807866d240b3b122221cf62
Formbook
660708a7f99d26de87386ca21682b96179f16f2dbc67578a704cb94d78e9848f
Formbook
a62281360a594e22783fb5dfc0e34645726b22df9ae0939b56a5b41e51289f97
Formbook
+ 9'120 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210720-ah4ak9e8qs/
Behaviour
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.coffeyklatch.com/iuem/
Unpacked files
SH256 hash:
d34df983105e0b435f0eca80d07a30ea74b11a85f22562d9e295b39fcaf90344
MD5 hash:
314a177df189dc003b3abd6dd36698d7
SHA1 hash:
84541bfda4648ef29d95e87462417c1a846f317d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4e43e90d-238b-408f-b34f-f927fd0a4eba/
Parent samples :
4f588080c3618162c1bd0337092af0ba118b7277de6c2043a988562efdb0cbbb
54ab4a1cdce2eb6cac3d05ca5eb317a247a6b5e9164d8c1067f1601953ec8729
503f83e4dea1cb3a70d4c309471ea87756a2465c64533d2ea7103b37bd787788
62df68b2db0b080a2e963f0c082b5df7b15819032e11fbe5e9dfcfb8d143f61e
SH256 hash:
8a0464c8240313f8160b545deb0f5662dc17f1e3411ef24c58fb44ce4f7049c2
MD5 hash:
31500234dd5a0eca9bf825c1ee56a41b
SHA1 hash:
99c83f114183b956088698c54b4d5c45fd312910
Link:
https://www.unpac.me/results/4e43e90d-238b-408f-b34f-f927fd0a4eba/
SH256 hash:
1ac2a183900fad593b871314fd6a3271dbd9a13f751ccaeeca20a71ea317181f
MD5 hash:
e8cceae442a61ec38b9b0e3767431c37
SHA1 hash:
772abf2b5f2db4d7c9823c9e38483a44f1d50592
Link:
https://www.unpac.me/results/4e43e90d-238b-408f-b34f-f927fd0a4eba/
SH256 hash:
83d9e44d9a311ea6fdbcbd09fdc816a2067806dcacf24beb5ee786191b1a3ea1
MD5 hash:
b1a7b752b6638ee03cffe5a1dde9213e
SHA1 hash:
52d215a173d2f293990f8c12fc7f4a86330a29cb
Link:
https://www.unpac.me/results/4e43e90d-238b-408f-b34f-f927fd0a4eba/
SH256 hash:
503f83e4dea1cb3a70d4c309471ea87756a2465c64533d2ea7103b37bd787788
MD5 hash:
08aea19fadc599085af26e1ec9f85e24
SHA1 hash:
771ce42cdf8aa5b0da1f2d5cdf88e2ed16735a06
Link:
https://www.unpac.me/results/4e43e90d-238b-408f-b34f-f927fd0a4eba/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/503f83e4dea1cb3a70d4c309471ea87756a2465c64533d2ea7103b37bd787788

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
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.

Malspam

Formbook

tar 9cca3833ff60ab33185994fa34218085d7e9a4c929ad3c4d4644aac1065897c1

Formbook

Executable exe 503f83e4dea1cb3a70d4c309471ea87756a2465c64533d2ea7103b37bd787788

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 9cca3833ff60ab33185994fa34218085d7e9a4c929ad3c4d4644aac1065897c1
Cape
Cape
https://www.capesandbox.com/analysis/172877/

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