MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9783369e20b9e4898081c57bd2f58204f7675d826a9eb5e9d83e1eefc14d48ae. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9783369e20b9e4898081c57bd2f58204f7675d826a9eb5e9d83e1eefc14d48ae
SHA3-384 hash: 8264494fca0fee1d0b58872eb065d97fd46590737ca469697f5d09d1569e0fed43c356d197717afffbb8281883467e18
SHA1 hash: 5bbdf3e79ec3aebf634ac8fd0c4b91f56a71478d
MD5 hash: 1933d5ee03bd14ddf11a49622fe8df3f
humanhash: fix-california-uniform-louisiana
File name:Inquiry.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:489'984 bytes
First seen:2020-10-09 06:34:13 UTC
Last seen:2020-10-09 08:02:50 UTC
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:XSivlLmcmILdT5WCFRrzqlKecb/trdI+gd:XhLBmulQYl6+gd
Threatray 191 similar samples on MalwareBazaar
TLSH D4A48CB76846981ECD8987719C7605F0B57616CE3F93460E72DE930C0E17B1BB32A26E
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: mail.pnoc.com.ph
Sending IP: 122.53.178.242
From: Glenda G. Martinez <ggmartinez@pnoc.com.ph>
Subject: New Order For October
Attachment: INQUIRY AND PURCHASE ORDER OCTOBER.img (contains "Inquiry.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/69457/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/486387
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 295653 Sample: Inquiry.exe Startdate: 09/10/2020 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected FormBook 2->40 42 3 other signatures 2->42 10 Inquiry.exe 8 2->10         started        process3 file4 28 C:\Users\user\AppData\...\InstallUtil.exe, PE32 10->28 dropped 30 C:\Users\user\AppData\...\Inquiry.exe.log, ASCII 10->30 dropped 32 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 10->32 dropped 34 C:\Users\user\AppData\Local\Temp\...\D.dll, PE32 10->34 dropped 48 Writes to foreign memory regions 10->48 50 Allocates memory in foreign processes 10->50 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 InstallUtil.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 2 other signatures 14->62 17 explorer.exe 14->17 injected process8 process9 19 cmmon32.exe 17->19         started        22 autoconv.exe 17->22         started        signatures10 44 Maps a DLL or memory area into another process 19->44 46 Tries to detect virtualization through RDTSC time measurements 19->46 24 cmd.exe 1 19->24         started        process11 process12 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9783369e20b9e4898081c57bd2f58204f7675d826a9eb5e9d83e1eefc14d48ae/
Threat name:
ByteCode-MSIL.Infostealer.Stelega
Create hunting rule
Status:
Malicious
First seen:
2020-10-08 14:33:58 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=s6btnhraxhsitaebyv55f5mcat3woxmcnkpll2oyhypo7qknjcxa._file
Verdict:
unknown
Similar samples:
1db414febba5eddd16aa7b82e72ceaa2ffbc2259521d50d07a09eb20f43e4b2f
Formbook
220430890a896ae67b521a7ce413ed747b8d8614d23f42de44f06dab05ea55b8
Formbook
48a35cf9fca5b44c11cf88bd2bde282b4bb0311eaccb8e7b0a6b60882ea08e95
Formbook
5141cf1cc509f7a278f285513f053cd4ac8fb41a3f05d4da541ba23c778fb99f
Formbook
6badf55361de08f484122fb041fcad31e29a448614f1b315d66a3f58ad9a50b9
Formbook
717dfc26ac3594b79b3f5d4977bfbf8b56751422dc3dc464adc5e7c87dca5c08
Formbook
97940f7650c48d44534a7e73a890239eef1009309f677f2580d3e1ebd10eb41b
Formbook
b0055c111a78ee76cb6946a1e9a22f96b1b0533537865d055f465b03ac1aa7df
Formbook
dc8416ba801755f20344a5d1e7e22601bfd1341615f21a7d9aef997c49505c0d
Formbook
e7adb9ddc612bc2bbc52cc809b0a7b90c6f28f0b9df4fa767dccdab4d1d91c50
Formbook
+ 181 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201009-5slskjmdbj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.xwele.com/u2n/
Unpacked files
SH256 hash:
9783369e20b9e4898081c57bd2f58204f7675d826a9eb5e9d83e1eefc14d48ae
MD5 hash:
1933d5ee03bd14ddf11a49622fe8df3f
SHA1 hash:
5bbdf3e79ec3aebf634ac8fd0c4b91f56a71478d
Link:
https://www.unpac.me/results/6f89d5fc-4747-45c0-a38d-3204183d8ebc/
SH256 hash:
89aa143c91d8cace96581d1ad1e4a67060238498168d9e412227019a838574a3
MD5 hash:
beadcc53a3524ce380a7b07b4da47d57
SHA1 hash:
7014b2381ef1ca0f0c8f1b0884315260dc73932f
Link:
https://www.unpac.me/results/6f89d5fc-4747-45c0-a38d-3204183d8ebc/
SH256 hash:
19d9922060be89a70b76e5c0056e751f1baa5d41819235c92cf4f5d7668e1267
MD5 hash:
811864a0b06c529af894a7fec6ddbf47
SHA1 hash:
d35b82933eb06a6ec60e8cbbdb65eb6cdcaeb6d2
Link:
https://www.unpac.me/results/6f89d5fc-4747-45c0-a38d-3204183d8ebc/
Parent samples :
afa2f55e149097f9b250142bbfd94d9d56d10649c96adb079fdb0dfdac7c6660
69e2ae11e1b5cbe120bf02301191a1cf05e87fc09b09d63bd782abbf3615d05d
0b778873c94f6bc89a40294c0e85a38ab82509260cd2a2e8b73d00c5c90e8757
7ddfa6f44a60f4b894321f6977f8121cfb371c3c61ac872c58ba61fd5ee13deb
SH256 hash:
f8bee4108a324df32ad5a2ebafa6b7f411402a21e2598cf9db66486970f80fdd
MD5 hash:
a92da98ff6f5ae608503d074617bcc2a
SHA1 hash:
d3eafcccca011bb3a7a5ae52dd9704ceafcde472
Link:
https://www.unpac.me/results/6f89d5fc-4747-45c0-a38d-3204183d8ebc/
SH256 hash:
d686716792458e89e7bdb7d5241f6494bba276b0f37fea70d55267c54be4f290
MD5 hash:
b2cac5653878a63ccf84cfc34c329b47
SHA1 hash:
415d6b9036cf71cec7ef0c121608a30acc530510
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/6f89d5fc-4747-45c0-a38d-3204183d8ebc/
Parent samples :
364382b6fb6aebc6c7faca44b8a97451012467639f12962715a9e178d9099e18
9783369e20b9e4898081c57bd2f58204f7675d826a9eb5e9d83e1eefc14d48ae
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9783369e20b9e4898081c57bd2f58204f7675d826a9eb5e9d83e1eefc14d48ae

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:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Malspam

Formbook

img f0384e5d8dfae7ce5af14695a6bc6b6b8abc286d6ac5578a95a23044c369e8ea

Formbook

Executable exe 9783369e20b9e4898081c57bd2f58204f7675d826a9eb5e9d83e1eefc14d48ae

(this sample)

  
Dropped by
MD5 6eb89bae33301fade63049567ccf4712
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69457/
  
Dropped by
SHA256 f0384e5d8dfae7ce5af14695a6bc6b6b8abc286d6ac5578a95a23044c369e8ea

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