MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65c3708767175b438a938b8d5d4ae52a1d0cf450a38a4298a41ae9bd73816686. 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 3 File information Comments
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SHA256 hash: 65c3708767175b438a938b8d5d4ae52a1d0cf450a38a4298a41ae9bd73816686
SHA3-384 hash: 630f72bf3e83047ab1e2674e317398edd02935340d5c8e4b5f814f15c0f9920c71ed7cf4e858b4e5a6e6c958288491e2
SHA1 hash: cc0b98fde35e367f7263f700a00baefdc91d472f
MD5 hash: f03507b58cc3e0203544fe252a393296
humanhash: echo-sink-fish-wisconsin
File name:PO-2022THERMARC06772.exe
Download: download sample
Signature FormBook
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File size:603'648 bytes
First seen:2022-06-15 06:01:10 UTC
Last seen:2022-06-15 06:41:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:QkTq9pucBONRtWph521eCPdHOoq/oq9hCVfG4:MuYONRs3521eiHOLw+CNG4
TLSH T1ADD4D02027BC8319D1AAEBFEF430506407F9B917712AE3AE5B4174DA19D27868533F63
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PO-2022THERMARC06772.exe
Verdict:
Malicious activity
Analysis date:
2022-06-15 06:26:00 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/c9c13f33-7f1a-47d0-acb2-7d2267ee625d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/280035/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.17617.17094.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Launching a process
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/62a975b62d4be2eac84f28b9/reports/fbf0254a-a47f-4ca4-a8c6-466972f37d83/overview
Result
Verdict:
UNKNOWN
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/687e61b9-c7e9-4a45-8f59-8b0bf64239c9
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1013466
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
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 dnsIp2 2 Behavior Graph ID: 645958 Sample: PO-2022THERMARC06772.exe Startdate: 15/06/2022 Architecture: WINDOWS Score: 100 51 www.vestaviahometours.com 2->51 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 8 other signatures 2->61 11 PO-2022THERMARC06772.exe 7 2->11         started        signatures3 process4 file5 39 C:\Users\user\AppData\...\VgKDyJXQZqza.exe, PE32 11->39 dropped 41 C:\Users\...\VgKDyJXQZqza.exe:Zone.Identifier, ASCII 11->41 dropped 43 C:\Users\user\AppData\Local\...\tmp2DF7.tmp, XML 11->43 dropped 45 C:\Users\...\PO-2022THERMARC06772.exe.log, ASCII 11->45 dropped 63 Uses schtasks.exe or at.exe to add and modify task schedules 11->63 65 Adds a directory exclusion to Windows Defender 11->65 67 Tries to detect virtualization through RDTSC time measurements 11->67 69 Injects a PE file into a foreign processes 11->69 15 PO-2022THERMARC06772.exe 11->15         started        18 powershell.exe 25 11->18         started        20 schtasks.exe 1 11->20         started        signatures6 process7 signatures8 79 Modifies the context of a thread in another process (thread injection) 15->79 81 Maps a DLL or memory area into another process 15->81 83 Sample uses process hollowing technique 15->83 85 Queues an APC in another process (thread injection) 15->85 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        process9 process10 28 msdt.exe 18 22->28         started        32 autoconv.exe 22->32         started        file11 47 C:\Users\user\AppData\...\0L9logrv.ini, data 28->47 dropped 49 C:\Users\user\AppData\...\0L9logri.ini, data 28->49 dropped 71 Detected FormBook malware 28->71 73 Tries to steal Mail credentials (via file / registry access) 28->73 75 Tries to harvest and steal browser information (history, passwords, etc) 28->75 77 3 other signatures 28->77 34 cmd.exe 2 28->34         started        signatures12 process13 signatures14 53 Tries to harvest and steal browser information (history, passwords, etc) 34->53 37 conhost.exe 34->37         started        process15
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/65c3708767175b438a938b8d5d4ae52a1d0cf450a38a4298a41ae9bd73816686/
Threat name:
ByteCode-MSIL.Trojan.Tnega
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Status:
Malicious
First seen:
2022-06-15 01:20:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mxbxbb3hc5nuhcutrogv2sxffioqz5cquofefgfedlu3244bm2da._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ltr1 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220615-grfxqagedj/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
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
Reads user/profile data of web browsers
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
2168aa4bc83d6af36735a04beac53a563f334b865be1d4d343a5f688da81f540
MD5 hash:
205fd3818fd7b768016d129dd5d2f108
SHA1 hash:
8c3b56874d23a256b521c03c534b624827e28192
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/bfaabd23-d716-4985-a93e-366738f62199/
Parent samples :
fa2ca6d28bd365bebad538d2142ca9505173bf90f8572538a1268414a3b39aca
19a9ec9da618f09710fd8e6e1daec72377e05e78bd7469f33e203a9529d712fd
95bf56d45ed29648838e732b3ab2ba8f968b53d9b9fd7f6155498c958f09bf14
022beee80a1abf89283d6c5008a075efd3018a4c382a00165deb171e7702a32e
35639b3ca5017c02df11acde7f6356e1d0894ed0eeab843ff8d42b2c2766aef6
740cc8f312eef16d83b7c49fe33519ae293bf1c1c2f80e0482c34ea3a9473843
65c3708767175b438a938b8d5d4ae52a1d0cf450a38a4298a41ae9bd73816686
SH256 hash:
5e95b92999dc337f367d2c8e91e68daadbcdfc537d2d11fa2612ce68a58e8d04
MD5 hash:
e3df2dd40f0ce5dcd593a52653983ca4
SHA1 hash:
d7d895a35867dc41c8a03ab5ec3aa4e38e1a08a3
Link:
https://www.unpac.me/results/bfaabd23-d716-4985-a93e-366738f62199/
SH256 hash:
b5b69ff0056ebb0a6e7fc55a9ba7fa0d881845ca522c2dfb993be0e6390ba26e
MD5 hash:
fe7f622763f36ab525e55f41202b25c0
SHA1 hash:
d4b7e71ac33f08e6059008805c0498bdc7a974a2
Link:
https://www.unpac.me/results/bfaabd23-d716-4985-a93e-366738f62199/
SH256 hash:
41b02dfb9869d4549cf4926c93573a136715855ec2ed12f7677dc585760a7737
MD5 hash:
ac3766392fdb814548800eb71bc6505a
SHA1 hash:
a237f652db4f405b3066773880aeda681d16f012
Link:
https://www.unpac.me/results/bfaabd23-d716-4985-a93e-366738f62199/
SH256 hash:
65c3708767175b438a938b8d5d4ae52a1d0cf450a38a4298a41ae9bd73816686
MD5 hash:
f03507b58cc3e0203544fe252a393296
SHA1 hash:
cc0b98fde35e367f7263f700a00baefdc91d472f
Link:
https://www.unpac.me/results/bfaabd23-d716-4985-a93e-366738f62199/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/65c370876717/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/65c3708767175b438a938b8d5d4ae52a1d0cf450a38a4298a41ae9bd73816686

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:exploit_any_poppopret
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Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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 65c3708767175b438a938b8d5d4ae52a1d0cf450a38a4298a41ae9bd73816686

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/280035/

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