MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85b8983f0d67758fd02b1aa875add6fd3fe6e88f9ade27cb535c490a0c367491. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
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SHA256 hash: 85b8983f0d67758fd02b1aa875add6fd3fe6e88f9ade27cb535c490a0c367491
SHA3-384 hash: 80cbe74d9a69644bba92d7dafd33529ef80390deba573546b3a3b357df29c9ea5b88e56c734902de7f46594a91545a70
SHA1 hash: fd40dab7902ba104d61e05ad04237ae297448deb
MD5 hash: 29bfe138eb8eb4caf72ed94f4d4fb084
humanhash: artist-robert-black-moon
File name:Quotation 400 KVA.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:488'960 bytes
First seen:2021-09-12 06:09:30 UTC
Last seen:2021-09-12 07:21:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:6jk4DbF53e0IUFL+MtLDRC1AJnoxmLnrinAa8USz1w5uAgwp1:6rBC1qnzr0Aa8USJLJw
Threatray 9'199 similar samples on MalwareBazaar
TLSH T12AA4AD243DEF5029F173EF765EE4B496DE2FBA732B07946D104103868623A41DEE163A
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
271
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation 400 KVA.exe
Verdict:
Malicious activity
Analysis date:
2021-09-12 06:10:17 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/4e1854ff-79c8-4b77-8d39-8c8cde626cd1

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/187123/
Detection(s):
SecuriteInfo.com.Suspicious.Win32.Save.a.25271.30603.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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6174f7749a5a1e91c5d1f635/reports/8208431e-db6a-4e44-9892-8297e083049f/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/773e355e-ad0b-4a51-92c2-a7631f2f4751
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/849321
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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
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
Self deletion via cmd delete
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: 481752 Sample: Quotation 400 KVA.exe Startdate: 12/09/2021 Architecture: WINDOWS Score: 100 31 www.robrowerealestate.com 2->31 33 robrowerealestate.com 2->33 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 11 other signatures 2->45 10 Quotation 400 KVA.exe 3 2->10         started        signatures3 process4 file5 29 C:\Users\user\...\Quotation 400 KVA.exe.log, ASCII 10->29 dropped 57 Injects a PE file into a foreign processes 10->57 14 Quotation 400 KVA.exe 10->14         started        17 Quotation 400 KVA.exe 10->17         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 14->59 61 Maps a DLL or memory area into another process 14->61 63 Sample uses process hollowing technique 14->63 65 Queues an APC in another process (thread injection) 14->65 19 msdt.exe 14->19         started        22 explorer.exe 14->22 injected process9 dnsIp10 47 Self deletion via cmd delete 19->47 49 Modifies the context of a thread in another process (thread injection) 19->49 51 Maps a DLL or memory area into another process 19->51 53 Tries to detect virtualization through RDTSC time measurements 19->53 25 cmd.exe 1 19->25         started        35 www.highkeyfashionboutique.com 22->35 37 www.529jpmorgan.com 22->37 55 System process connects to network (likely due to code injection or exploit) 22->55 signatures11 process12 process13 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/85b8983f0d67758fd02b1aa875add6fd3fe6e88f9ade27cb535c490a0c367491/
Threat name:
ByteCode-MSIL.Trojan.Sabsik
Create hunting rule
Status:
Malicious
First seen:
2021-09-12 06:10:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
14 of 41 (34.15%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qw4jqpynm52y7ubldkuhllow7u76n2eptlpcps2tlrequdbwosiq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
046bf8a6c9bc47b10b80a2ca83289714a931b5d10d864e02d2e20fdc09301108
Formbook
0cdbab37f443dbdc7fb7aecc5e0b8dfb7b25b7d665397194bb8a137e9b01d44f
Formbook
3c74c617119a6ba48fd332b234183150245f1594acf80eb51935783d68d4f783
Formbook
66e06710b095c687448e0b08240a99f84dfbfc24882a2c8c9f5b165f58469d8f
Formbook
6a778cbfb34a637265c39ae5a0a321010998d93fb7183b4e8766a4a2390bf72f
Formbook
78b11874a66b80ec78962b27c352a643d1a11c7f5cf9273f0db06df3f4f7e76c
Formbook
7c6393b4e86ea5cec49c0f814b17e4bb85aa447c19896037252a94ff6416ce1b
Formbook
83b3d86539fd63f97b860e86c3e61b4e2c64dc1ff2936566d5bda292ab6e478d
Formbook
+ 9'189 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ergs rat spyware stealer trojan
Link:
https://tria.ge/reports/210912-gw38tacba7/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.barry-associates.com/ergs/
Unpacked files
SH256 hash:
17d16777fd0f96776c3872efffe4afc4fa22be1bc72c6bb1c10de63922c63a5b
MD5 hash:
0b2a299e0cc6747fdb6835a8a038e0a7
SHA1 hash:
13f6911d65a5b9e6641bdbf7e2ce6eab5a74c157
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a13768a7-76ce-44e5-b974-d92ff8e2bcdb/
Parent samples :
83b3d86539fd63f97b860e86c3e61b4e2c64dc1ff2936566d5bda292ab6e478d
6a778cbfb34a637265c39ae5a0a321010998d93fb7183b4e8766a4a2390bf72f
0cdbab37f443dbdc7fb7aecc5e0b8dfb7b25b7d665397194bb8a137e9b01d44f
85b8983f0d67758fd02b1aa875add6fd3fe6e88f9ade27cb535c490a0c367491
69394a249833f97289151fa8334f32e0b0467ce4ecb164b0706784fb836136a6
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
Link:
https://www.unpac.me/results/a13768a7-76ce-44e5-b974-d92ff8e2bcdb/
SH256 hash:
b6b6b9d3f0e33e0a66e151398a6ba9481fd1d2d3a7e2b74c2d303e1bba8e6494
MD5 hash:
02f8d57839d684dbcd2c0cab62316ca0
SHA1 hash:
0af7cc158824c2ede65134bcd2193ac6d2d38480
Link:
https://www.unpac.me/results/a13768a7-76ce-44e5-b974-d92ff8e2bcdb/
SH256 hash:
85b8983f0d67758fd02b1aa875add6fd3fe6e88f9ade27cb535c490a0c367491
MD5 hash:
29bfe138eb8eb4caf72ed94f4d4fb084
SHA1 hash:
fd40dab7902ba104d61e05ad04237ae297448deb
Link:
https://www.unpac.me/results/a13768a7-76ce-44e5-b974-d92ff8e2bcdb/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/85b8983f0d67/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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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

rar 3d361c0f0a2be3573ceda5ba7f6357d8394562affb645058d2c71d6acf2d7cc8

Formbook

Executable exe 85b8983f0d67758fd02b1aa875add6fd3fe6e88f9ade27cb535c490a0c367491

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 3d361c0f0a2be3573ceda5ba7f6357d8394562affb645058d2c71d6acf2d7cc8
Cape
Cape
https://www.capesandbox.com/analysis/187123/

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