MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 490dbc697f6a780e942c8caa7d853da4ae29078059081431e7cf6376caae79a0. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: 490dbc697f6a780e942c8caa7d853da4ae29078059081431e7cf6376caae79a0
SHA3-384 hash: 5373c66e273d6b7759caf0a779d2aa2c1c49883e5560e053b0c18cb636e94ce4d85965af2eb1f6e9cd907d1d6d179da4
SHA1 hash: e5e9034d790f729c0a377aa4366a836209f7e45e
MD5 hash: 937e58e663ea6dd973dfa081d8e0fad1
humanhash: west-zulu-lactose-magnesium
File name:Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:829'952 bytes
First seen:2022-10-25 01:59:36 UTC
Last seen:2022-10-25 06:54:32 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:xMufEu8C3s184TSiilcBHNCVtEH2NgAN9qe89vq1pU87rPwNY:ti8wzw/ViWSmDKq1P4N
Threatray 17'638 similar samples on MalwareBazaar
TLSH T1850538B626D51217E42972B59083E6F326FBAE506041E1C365D34F6FBC841BBD62338B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Quotation.exe
Verdict:
Malicious activity
Analysis date:
2022-10-25 02:02:58 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/4678dbe4-1d71-47ac-9d81-d22ff0169d75

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/323729/
Detection(s):
SecuriteInfo.com.BackDoor.RatNET.2.7069.16774.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
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
Launching a process
Unauthorized injection to a system process
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d20506ba-bc1e-479a-b256-aab6127a36b2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1097153
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in 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 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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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 netsh to modify the Windows network and firewall settings
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: 729793 Sample: Quotation.exe Startdate: 25/10/2022 Architecture: WINDOWS Score: 100 66 Malicious sample detected (through community Yara rule) 2->66 68 Sigma detected: Scheduled temp file as task from temp location 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 8 other signatures 2->72 10 Quotation.exe 7 2->10         started        14 HNUDGTNJOVOrR.exe 5 2->14         started        process3 file4 48 C:\Users\user\AppData\...\HNUDGTNJOVOrR.exe, PE32 10->48 dropped 50 C:\...\HNUDGTNJOVOrR.exe:Zone.Identifier, ASCII 10->50 dropped 52 C:\Users\user\AppData\Local\...\tmpBA04.tmp, XML 10->52 dropped 54 C:\Users\user\AppData\...\Quotation.exe.log, ASCII 10->54 dropped 80 Uses schtasks.exe or at.exe to add and modify task schedules 10->80 82 Adds a directory exclusion to Windows Defender 10->82 84 Tries to detect virtualization through RDTSC time measurements 10->84 16 Quotation.exe 10->16         started        19 powershell.exe 19 10->19         started        21 schtasks.exe 1 10->21         started        23 Quotation.exe 10->23         started        86 Multi AV Scanner detection for dropped file 14->86 88 Machine Learning detection for dropped file 14->88 90 Injects a PE file into a foreign processes 14->90 25 HNUDGTNJOVOrR.exe 14->25         started        27 schtasks.exe 1 14->27         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 16->58 60 Maps a DLL or memory area into another process 16->60 62 Sample uses process hollowing technique 16->62 64 Queues an APC in another process (thread injection) 16->64 29 explorer.exe 16->29 injected 33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 27->37         started        process8 dnsIp9 56 www.cloudydad.cloud 29->56 92 System process connects to network (likely due to code injection or exploit) 29->92 94 Uses netsh to modify the Windows network and firewall settings 29->94 39 control.exe 29->39         started        42 netsh.exe 29->42         started        signatures10 process11 signatures12 74 Modifies the context of a thread in another process (thread injection) 39->74 76 Maps a DLL or memory area into another process 39->76 78 Tries to detect virtualization through RDTSC time measurements 39->78 44 cmd.exe 1 39->44         started        process13 process14 46 conhost.exe 44->46         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/490dbc697f6a780e942c8caa7d853da4ae29078059081431e7cf6376caae79a0/
Threat name:
Win32.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-10-20 11:55:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
28 of 40 (70.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jeg3y2l7nj4a5fbmrsvh3bj5usxcsb4aleebimphz5rxnsvopgqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0a92b6b6c9ccba573ca47718bf608715dbc87ad48afc19bf7004d8eb9bf598d0
Formbook
2743bf9a06a72314b51015f17d3562e96ddadef6da299004f27552f0f2b55fe1
Formbook
2cd21a8a57898304d99a78d0a9308d7199450b828b50d2bd60cfe711541e7147
Formbook
9376a604e7bbde9c6782cab198854f94506326377d3159c3479c3894f18cd469
Formbook
9ce6edfb072d05faec9d72731fc1ed955348a0a86e44eb9511eb215045861845
Formbook
a40fea0a4c721b2bfb7d0975a81eca77a7b877d4b9ee0083ef45d5b59762ed87
Formbook
a9a61d46548276ace7d943faa87221d5a9d25147a2419b80833b8e673185f3d7
Formbook
cce8ba621c797e9782cc2c56058cbb25555b367673a5f70aff660dd0bd509390
Formbook
f5513ad2ae4942ab753e178eefecfc0c62396c9a1a9128c2a65591780faad3ef
Formbook
+ 17'628 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:oi05 rat spyware stealer trojan
Link:
https://tria.ge/reports/221025-ce1ddabca9/
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
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
b13398f344cf3dd0b6fe84d88c660632fb920b5372ae3c6589ee066943701ce2
MD5 hash:
4545769ce5c787ac0bbe1d83ac5f41ac
SHA1 hash:
9bbdb83fcc1e3a6b87155001a7ab2188a9518111
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c6617e89-1cf4-4cf6-9c89-e53be5a81152/
Parent samples :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 hash:
678d527fc01a0eaa1be366ca97b0ad5a3fe890b1ef8267d2fc981ff43c4d08e5
MD5 hash:
2da433d67db4775d8f02a8fed4b31bf3
SHA1 hash:
235fe8f2076f3b5cfffacc574825550cee8e61e9
Link:
https://www.unpac.me/results/c6617e89-1cf4-4cf6-9c89-e53be5a81152/
SH256 hash:
caea76d08bada8a34462c4df764a87c0c66d901aebf31a75ae58e01e10d87049
MD5 hash:
2766b0c8cd7f7b74c3746e30d0d5bf2c
SHA1 hash:
1ceb857ba13229703f9b6117dd515b554b2b5647
Link:
https://www.unpac.me/results/c6617e89-1cf4-4cf6-9c89-e53be5a81152/
SH256 hash:
2c80c494a15dc16306d6d8492c92574be79bda5a98de92c05a7023a2b5d00b7c
MD5 hash:
7c054fcf6b5085659da5b4f8b357d618
SHA1 hash:
14746e1055e006378a56b26880ad5910b3747c65
Link:
https://www.unpac.me/results/c6617e89-1cf4-4cf6-9c89-e53be5a81152/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/c6617e89-1cf4-4cf6-9c89-e53be5a81152/
SH256 hash:
490dbc697f6a780e942c8caa7d853da4ae29078059081431e7cf6376caae79a0
MD5 hash:
937e58e663ea6dd973dfa081d8e0fad1
SHA1 hash:
e5e9034d790f729c0a377aa4366a836209f7e45e
Link:
https://www.unpac.me/results/c6617e89-1cf4-4cf6-9c89-e53be5a81152/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/490dbc697f6a/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/490dbc697f6a780e942c8caa7d853da4ae29078059081431e7cf6376caae79a0

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 490dbc697f6a780e942c8caa7d853da4ae29078059081431e7cf6376caae79a0

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/323729/

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