MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 677a6802cf75520248735347b919108448d91434aef53654cb6a3d6ab71830c6. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 677a6802cf75520248735347b919108448d91434aef53654cb6a3d6ab71830c6
SHA3-384 hash: c4a23766177f4b4ce28cee0b1c0e6d36eb9ee15218a6c20f790eb65c38055e2d198db80707b1474f9bc03482d1725f89
SHA1 hash: c241672de3bead4d8c2e4ceb1b53eb815b49b950
MD5 hash: 08d3bd2830b9e748f5ea88ceadff2fed
humanhash: nitrogen-bulldog-mexico-pip
File name:DHL airwaybill # 984940550137.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:484'864 bytes
First seen:2021-10-29 05:08:22 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:AsFTvDJ2VyfQyH8mbx5EXwf9oafHafF8BF:AQDJ8krt5EgfC/SX
Threatray 11'032 similar samples on MalwareBazaar
TLSH T134A4E001A3EAA927D67D4F72047301501F71B8A6BD26E38F5D8831DE297EBC50A41F6B
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.6999.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
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/7ac1cb67-0e80-4b29-a435-04b2d8de38f2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/879006
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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 signatures2 2 Behavior Graph ID: 511438 Sample: DHL airwaybill # 984940550137.exe Startdate: 29/10/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 8 other signatures 2->43 10 DHL airwaybill # 984940550137.exe 3 2->10         started        process3 file4 27 C:\...\DHL airwaybill # 984940550137.exe.log, ASCII 10->27 dropped 13 DHL airwaybill # 984940550137.exe 10->13         started        process5 signatures6 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 13->16 injected process7 dnsIp8 29 www.uncovarhistory.com 64.98.145.30, 49825, 80 TUCOWS-3CA Canada 16->29 31 gruposozca.com 67.227.144.192, 49814, 80 LIQUIDWEBUS United States 16->31 33 14 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 systray.exe 16->20         started        signatures9 process10 signatures11 45 Self deletion via cmd delete 20->45 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49 51 Tries to detect virtualization through RDTSC time measurements 20->51 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/677a6802cf75520248735347b919108448d91434aef53654cb6a3d6ab71830c6/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2021-10-29 05:09:08 UTC
AV detection:
8 of 44 (18.18%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m55gqawpovjaesdtknd3sgiqqrensfbuv32tmvglni6wvnyygdda._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
18e91cbaa2d04fa969e97e947ccd011d494f68eb6375b067f0342a7765fb3119
Formbook
18f25a6941b39471ea68715f7ab4b3f96990808ded5138054b96763179e0c19e
Formbook
1999253e5409121ca9810f0a75358043ed34c6fbd8444423cd01f935a51ad64d
Formbook
1d079c68ad564569df3511b987ae52344d5ba8e9f84680eb52f3fe63fe2336ad
Formbook
366b6d23b6e536c3b8bd769edbebc2e7dc26e38e75ac85a32a7b4512f585b68f
Formbook
3f5c235293cfdde26a725b19b3cbaefc44dae026b7dff9124002f42e564df18b
Formbook
90995079eb10cbbc7da16c81c68775a46c65a2901eca1731d537192d8266fed0
Formbook
9ecedea13dc027095e79edab82e3988f028dfda3ea5b5469351a52a82a60ff7f
Formbook
ae55ee08f18b57a38a47ed9bc161b7833e35c31b014e8579ae904a2d4d7c63e3
Formbook
de77b81edea1415267968223cc3a1d67f95ebf87a8830363492d19e4126f1f2d
Formbook
+ 11'022 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:z4m5 loader rat
Link:
https://tria.ge/reports/211029-fs459sceg7/
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.cr-genius-world.biz/z4m5/
Unpacked files
SH256 hash:
a72447a5a568f446d77039bec3c4245729fd5b5e31d29ae5336b37e3fb501059
MD5 hash:
cd39641c7f80fec32cdfcb31b3d85484
SHA1 hash:
70c84fdb505625cec9a41f6662b814f9d510eaf0
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/26163319-8c6f-467c-a68f-112f017ae390/
Parent samples :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 hash:
b9777f8b1cccc35004be9101d37c638e1a079b0549b2d7f8dab71390af1dced6
MD5 hash:
7bac342ea8088fa0a5f653fb1d23df9a
SHA1 hash:
c3b234da0928f8b91c8498bda82bbc4a585cab10
Link:
https://www.unpac.me/results/26163319-8c6f-467c-a68f-112f017ae390/
SH256 hash:
4d1ee061c817ea30ca4e461a4f44388662c1c1c2775be2b323858ddbc1679b35
MD5 hash:
1b6d3d31872537cc611ff4322ffc1099
SHA1 hash:
0108adafb207ce044bfb3f7933da45594c545bee
Link:
https://www.unpac.me/results/26163319-8c6f-467c-a68f-112f017ae390/
SH256 hash:
677a6802cf75520248735347b919108448d91434aef53654cb6a3d6ab71830c6
MD5 hash:
08d3bd2830b9e748f5ea88ceadff2fed
SHA1 hash:
c241672de3bead4d8c2e4ceb1b53eb815b49b950
Link:
https://www.unpac.me/results/26163319-8c6f-467c-a68f-112f017ae390/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/677a6802cf75/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/677a6802cf75520248735347b919108448d91434aef53654cb6a3d6ab71830c6

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.

Comments