MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23c021ec87c8743ef23796c3bfe371298388b4ef72fc6249b29858dc50ece722. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23c021ec87c8743ef23796c3bfe371298388b4ef72fc6249b29858dc50ece722
SHA3-384 hash: 7081f0962987f0f0435451e2602da298b150ead244c703a6dd53fd687f6278990d330fa1e524c2a2e4ce8e0fbe665594
SHA1 hash: 35f58c806a271c4d3d475e6a457d205039af3f3e
MD5 hash: 45c0ce53e5ad8c930e9781be28f191b0
humanhash: comet-mountain-william-sweet
File name:Quote.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:699'392 bytes
First seen:2021-12-30 19:16:42 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:cczd6JdBe4Tdc58VDvct8Fnbi4MDHfJ4UOVF/jaebHc1+qP8RfC02hxu:cczAJdU2dc54Dvc2F2DWtjV81+TRfCdx
Threatray 12'563 similar samples on MalwareBazaar
TLSH T165E422513A98F798F0FDD7B882A2955503B73563AC17D70C8CC4E1DA7937392AA91A03
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quote.exe
Verdict:
Malicious activity
Analysis date:
2021-12-30 19:18:02 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/592a6f0e-7d92-4520-a641-dfeb75694d74

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/216873/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61ce05b48991ba72b3a0b862/reports/b1db26c1-e98d-43d5-9f1f-8fa296929a3c/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/9b9335ef-9f2d-40d3-b5df-e84990a99aa7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/914140
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 domain / URL
Multi AV Scanner detection for dropped file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 546618 Sample: Quote.exe Startdate: 30/12/2021 Architecture: WINDOWS Score: 100 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 13 other signatures 2->54 10 Quote.exe 7 2->10         started        process3 file4 36 C:\Users\user\AppData\Roaming\bEAZOlKA.exe, PE32 10->36 dropped 38 C:\Users\...\bEAZOlKA.exe:Zone.Identifier, ASCII 10->38 dropped 40 C:\Users\user\AppData\Local\Temp\tmpF66.tmp, XML 10->40 dropped 42 C:\Users\user\AppData\Local\...\Quote.exe.log, ASCII 10->42 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 10->58 60 Adds a directory exclusion to Windows Defender 10->60 62 Tries to detect virtualization through RDTSC time measurements 10->62 64 Injects a PE file into a foreign processes 10->64 14 Quote.exe 10->14         started        17 powershell.exe 20 10->17         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 74 Modifies the context of a thread in another process (thread injection) 14->74 76 Maps a DLL or memory area into another process 14->76 78 Sample uses process hollowing technique 14->78 80 Queues an APC in another process (thread injection) 14->80 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        process8 dnsIp9 44 www.wzxiaomi.com 23.110.236.203, 49757, 80 LEASEWEB-USA-LAX-11US United States 21->44 46 www.duriehomeimprovements.biz 21->46 56 System process connects to network (likely due to code injection or exploit) 21->56 29 chkdsk.exe 21->29         started        signatures10 process11 signatures12 66 Self deletion via cmd delete 29->66 68 Modifies the context of a thread in another process (thread injection) 29->68 70 Maps a DLL or memory area into another process 29->70 72 Tries to detect virtualization through RDTSC time measurements 29->72 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/23c021ec87c8743ef23796c3bfe371298388b4ef72fc6249b29858dc50ece722/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-12-30 19:16:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
20 of 28 (71.43%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=epacd3ehzb2d54rxs3b37y3rfgbyrnhpol6gesnstbmnyuhm44ra._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1183b3a9d994c115c78d3d865d5f320340293dbc365e9a6984428fcb033a145a
Formbook
14642e431716be5f43044de68f915037e0358a401f59e490f5370cc5563a1a23
Formbook
26b24cfe3b0bb84b26fc83ce689b74728ac61f32391772dcc76eab04cc7042b5
Formbook
2ac830fd4c5c4c3522b5cb9983edc13f2580b932875bc9daeb02633b8829fb3b
Formbook
2b61cfb00cc8a45fdae91c176c8e68be4ac7cefbe0fab5781e5fa44d2ec4ca9f
Formbook
7024147e75938acd54b804df172c63b57c794e1980632c5f8190ae1e9d0da82a
Formbook
92c90d735148f7fd056e2d53bf44239f3fdab6b029e78d3ed6077d9c7f40aef2
Formbook
972f5e016ffc306524d7083a5a5058ba8b5fc60f3db9f3c0915db59c0523a487
Formbook
aea2232a122d01c07c5d7e6a10ceef2d2ffa58c10812f95f965f17aa78e82efa
Formbook
f13197aff6f530d9883aa1787cd57f4580c4c92bcaa5100f2641924c3e6867a5
Formbook
+ 12'553 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:p3mp rat spyware stealer trojan
Link:
https://tria.ge/reports/211230-xzdqbsgbf4/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Unpacked files
SH256 hash:
a19e89d77d52e63c16d7f33dac5e47dba41eb78585b7b0c375a47b72dafa5657
MD5 hash:
40b98abee2d9b3895df8709774b5508c
SHA1 hash:
f1ae7838191097807643f2c55dcc4040793e90ed
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/970324c5-91bb-4ec7-a4bc-df1c623fd589/
Parent samples :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 hash:
7ad4a4d8cd34c790a4d99517783bfaa6ba019855c761a5083f2ab7045b246a30
MD5 hash:
8eabe362d5901298eb76d4fd04b97313
SHA1 hash:
eb76a5b13aed66f3d8cef3c54ce3de9a15b30204
Link:
https://www.unpac.me/results/970324c5-91bb-4ec7-a4bc-df1c623fd589/
SH256 hash:
55535d7416e19740ddca81496bcfb9ea7f4ec52735e01d43880f6359f92b63be
MD5 hash:
42c16475606875decc737cb31dfb2cbb
SHA1 hash:
28db67a9058bbebedbd28819bce871cdeb62f968
Link:
https://www.unpac.me/results/970324c5-91bb-4ec7-a4bc-df1c623fd589/
SH256 hash:
6665ab738abfa6193cae47d36eca98ac168b004b51eff1dfaf7b5d9b1263a87f
MD5 hash:
cbb7617d3657d83e6f41b4a7f81dbda6
SHA1 hash:
a9878963d2985215cfd6790d94555c864bf640f0
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/970324c5-91bb-4ec7-a4bc-df1c623fd589/
SH256 hash:
23c021ec87c8743ef23796c3bfe371298388b4ef72fc6249b29858dc50ece722
MD5 hash:
45c0ce53e5ad8c930e9781be28f191b0
SHA1 hash:
35f58c806a271c4d3d475e6a457d205039af3f3e
Link:
https://www.unpac.me/results/970324c5-91bb-4ec7-a4bc-df1c623fd589/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/23c021ec87c8/report/overview.html
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/23c021ec87c8743ef23796c3bfe371298388b4ef72fc6249b29858dc50ece722

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

Executable exe 23c021ec87c8743ef23796c3bfe371298388b4ef72fc6249b29858dc50ece722

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/216873/

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