MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff9f87af4544f60640769313ea6b64f80986b935f98c03f59dbf3b1793dd8397. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff9f87af4544f60640769313ea6b64f80986b935f98c03f59dbf3b1793dd8397
SHA3-384 hash: 51816c5e90675cda6bfe3f1451d50835b9f7cbc8d7af9f59e527550e49d4ef311ade329c67df3e49d207a1a45278b536
SHA1 hash: be9acd1181d09205412378f54d7b4d03bd9540d7
MD5 hash: 875f96eae9afc9a6e6d0c6eb336ad59e
humanhash: river-papa-magnesium-glucose
File name:Purchase Order-10,000MT.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:577'024 bytes
First seen:2021-11-05 10:42:10 UTC
Last seen:2021-11-10 14:13:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:cM4de6XPwtdOulhBhNuP9VvFoWktHWF0Kjh18k1LLIOtGr:l6bInOulhBh47vKWktHWFvjh18k3
Threatray 11'182 similar samples on MalwareBazaar
TLSH T122C44B096601C143E2243AB0C4696FF04711AFACF503DB6BAD453E5BFAB1F9C49526FA
File icon (PE):PE icon
dhash icon ae92d2b2eacca49a (11 x AgentTesla, 9 x Formbook, 2 x SnakeKeylogger)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order-10,000MT.exe
Verdict:
Malicious activity
Analysis date:
2021-11-05 10:50:07 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/0ed1c383-f362-4683-9858-0a05b917c361

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/202679/
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61850ab8c03a81a502422a66/reports/5c4a4af5-df64-4fab-b3f2-5fd68096f0c5/overview
Result
Verdict:
MALICIOUS
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/92534b38-2d64-425e-a376-c3e57a505593
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/883949
Signature
.NET source code contains potential unpacker
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
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)
Performs DNS queries to domains with low reputation
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
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 516386 Sample: Purchase Order-10,000MT.exe Startdate: 05/11/2021 Architecture: WINDOWS Score: 100 33 www.lazyang.online 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 Purchase Order-10,000MT.exe 3 2->11         started        signatures3 process4 process5 13 Purchase Order-10,000MT.exe 11->13         started        signatures6 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Sample uses process hollowing technique 13->61 63 Queues an APC in another process (thread injection) 13->63 16 explorer.exe 13->16 injected process7 dnsIp8 27 generatrices.xyz 172.96.187.217, 49831, 80 SINGLEHOP-LLCUS Canada 16->27 29 www.jack4re.com 38.135.122.70, 49805, 80 FOXCLOUDNL United States 16->29 31 7 other IPs or domains 16->31 35 System process connects to network (likely due to code injection or exploit) 16->35 37 Performs DNS queries to domains with low reputation 16->37 39 Uses netstat to query active network connections and open ports 16->39 20 NETSTAT.EXE 16->20         started        signatures9 process10 signatures11 49 Self deletion via cmd delete 20->49 51 Modifies the context of a thread in another process (thread injection) 20->51 53 Maps a DLL or memory area into another process 20->53 55 Tries to detect virtualization through RDTSC time measurements 20->55 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/ff9f87af4544f60640769313ea6b64f80986b935f98c03f59dbf3b1793dd8397/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-05 10:43:05 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=76pypl2fit3amqdwsmj6u23e7aeynojv7ggah5m5x45rpe65qolq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
151ac73a940835aa086b34eb4a68f0a8cd5a124622f9f4173a2072cfd1c9ed82
Formbook
309823f6a6820db5d24443327e3b566f8d2aa16b3a9052086f521488a46e1532
Formbook
4217bf1cf710804c6b4a7b6a7d03974aaa655e512e3bf854c193feb7b2a8d422
Formbook
64c00be3d0bc5f000ee6d2d6d49e72c9e9f36090f19b7f9620ff0993a0e84025
Formbook
677a6802cf75520248735347b919108448d91434aef53654cb6a3d6ab71830c6
Formbook
81b5af95b241a5a77293e9a905ea32c69da468f568f798ec5ea535071e930596
Formbook
90995079eb10cbbc7da16c81c68775a46c65a2901eca1731d537192d8266fed0
Formbook
bbb043c99649e90f8e609d3e1159c20a75f2f41b259f9a51d9f105157e7284ca
Formbook
d079479dd85fb94fe08f6cd70cfff35e39c14294174a8ed6f9b480ffc1cbc9b2
Formbook
e10fd0e47f713f77031028a2c5525477154ad2f7f6500b9679bb00e6897535d3
Formbook
+ 11'172 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/211105-mr866abdd8/
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.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/9e441f4c-c5f1-4a16-bdd8-7561b2314622/
Parent samples :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 hash:
110a28b39b1e0840684110fa77a580effce50755cb865ce9df566f1fff308d05
MD5 hash:
17d644e87b9923fb2a0ed51e7594d82f
SHA1 hash:
863600e4908ebd4ed26285e210d983d04399e600
Link:
https://www.unpac.me/results/9e441f4c-c5f1-4a16-bdd8-7561b2314622/
SH256 hash:
9bb24fe09e523fc9bc3010ed0022d36513fe5bef76c646235d35308d8cba6f72
MD5 hash:
cbfa2e4b7b9554929595aa77cd7ecd8e
SHA1 hash:
2a7ba4bb0fb4c601e4ed1ce10111d875ef1e763a
Link:
https://www.unpac.me/results/9e441f4c-c5f1-4a16-bdd8-7561b2314622/
SH256 hash:
ff9f87af4544f60640769313ea6b64f80986b935f98c03f59dbf3b1793dd8397
MD5 hash:
875f96eae9afc9a6e6d0c6eb336ad59e
SHA1 hash:
be9acd1181d09205412378f54d7b4d03bd9540d7
Link:
https://www.unpac.me/results/9e441f4c-c5f1-4a16-bdd8-7561b2314622/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ff9f87af4544/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/ff9f87af4544f60640769313ea6b64f80986b935f98c03f59dbf3b1793dd8397

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe ff9f87af4544f60640769313ea6b64f80986b935f98c03f59dbf3b1793dd8397

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/202679/

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