MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46951a3ebc868e98ba6c1211f987e0b938d7e6e8499902adbb8b77e97fdd4c5d. 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 2 File information Comments
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SHA256 hash: 46951a3ebc868e98ba6c1211f987e0b938d7e6e8499902adbb8b77e97fdd4c5d
SHA3-384 hash: 3fb53cda755bf995fdd1b035c9fd21b03c0c95fe1ce03f1297872c7044535ea369e333ee55823b756e7ba9cbf9e344c3
SHA1 hash: 33d3c6ec951d83cbe9ea9bc2b09982cd96187fea
MD5 hash: fc3d96cbba039438b06ed5e582a5d566
humanhash: tennessee-west-north-butter
File name:Proof of payment.exe
Download: download sample
Signature Formbook
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File size:888'320 bytes
First seen:2022-10-27 02:27:44 UTC
Last seen:2022-10-27 04:24:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:Gd6fEuKRdfExdIlbp03YAPAvEGqIxLzEU2mXvdlX9a7gFbOOUHAR:Gd1R2SCoANDIyfmXjX9AgFp6
TLSH T1AE1559B626D51217E42972B59083E5F326FBAE506041E1C3A1D75F6FBC801BBD62338B
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
Proof of payment.exe
Verdict:
Malicious activity
Analysis date:
2022-10-27 02:29:30 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/5f3fcc03-06fc-49d8-80ae-d74a22b12d62

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/324644/
Detection(s):
SecuriteInfo.com.Trojan.PWS.StealerNET.122.31819.8613.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
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
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
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/75cd8fa6-aab5-4b14-afd5-9986817b5280
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1098857
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
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: 731507 Sample: Proof of payment.exe Startdate: 27/10/2022 Architecture: WINDOWS Score: 100 64 Malicious sample detected (through community Yara rule) 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 11 other signatures 2->70 10 Proof of payment.exe 7 2->10         started        14 DmcbgRBaBqsQ.exe 5 2->14         started        process3 file4 48 C:\Users\user\AppData\...\DmcbgRBaBqsQ.exe, PE32 10->48 dropped 50 C:\Users\...\DmcbgRBaBqsQ.exe:Zone.Identifier, ASCII 10->50 dropped 52 C:\Users\user\AppData\Local\...\tmp7EAA.tmp, XML 10->52 dropped 54 C:\Users\user\...\Proof of payment.exe.log, ASCII 10->54 dropped 78 Adds a directory exclusion to Windows Defender 10->78 80 Injects a PE file into a foreign processes 10->80 16 Proof of payment.exe 10->16         started        19 powershell.exe 21 10->19         started        21 schtasks.exe 1 10->21         started        82 Multi AV Scanner detection for dropped file 14->82 84 Machine Learning detection for dropped file 14->84 86 Tries to detect virtualization through RDTSC time measurements 14->86 23 DmcbgRBaBqsQ.exe 14->23         started        25 schtasks.exe 1 14->25         started        27 DmcbgRBaBqsQ.exe 14->27         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 16->56 58 Maps a DLL or memory area into another process 16->58 60 Sample uses process hollowing technique 16->60 62 Queues an APC in another process (thread injection) 16->62 29 explorer.exe 16->29 injected 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        process8 process9 37 colorcpl.exe 29->37         started        40 explorer.exe 29->40         started        42 autoconv.exe 29->42         started        signatures10 72 Modifies the context of a thread in another process (thread injection) 37->72 74 Maps a DLL or memory area into another process 37->74 76 Tries to detect virtualization through RDTSC time measurements 37->76 44 cmd.exe 1 37->44         started        process11 process12 46 conhost.exe 44->46         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/46951a3ebc868e98ba6c1211f987e0b938d7e6e8499902adbb8b77e97fdd4c5d/
Threat name:
ByteCode-MSIL.Spyware.AveMaria
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Status:
Malicious
First seen:
2022-10-20 15:00:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 26 (80.77%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i2krupv4q2hjrotmcii7tb7axe4npzxijgmqfln3rn36s765jroq._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:c0e5 rat spyware stealer trojan
Link:
https://tria.ge/reports/221027-cx1f4aacg5/
Behaviour
Creates scheduled task(s)
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
6ab89f8986f9fa283388241f9202fec427d8de369a0397ecc9002e61e6adb55e
MD5 hash:
2c4a1f95e086afe69bb64c1295b63bcd
SHA1 hash:
5bf91c6bc26184e0bcb3be0cb6c86475de12e00a
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/3b7d2c9b-9ee8-4aa1-bbc3-f7d4459ecbc1/
Parent samples :
6896d536efc4ff152a38b540d922490261be8f76eeb3a1e41f03744330e0fb1b
df636c98d02fd506a57eec3a4717b4c36ed3aeba0af0ec10ff7b3471bacfbdcd
46951a3ebc868e98ba6c1211f987e0b938d7e6e8499902adbb8b77e97fdd4c5d
b547804ebc3fd98bd35ffea608b152871d8387a473ac22fb547836df0085670f
f8cd003e1c03f9239f2c22aba7d67b7597fb65749cd2513307082250023fea12
SH256 hash:
4bb714135c8504247c568eeb99e97bd0d451b127db8cef9c00284c3704c95672
MD5 hash:
59fe26421c30e9ac94901b4ff351d130
SHA1 hash:
a31a5c721e902cc787de7e76ffb5351bf13359de
Link:
https://www.unpac.me/results/3b7d2c9b-9ee8-4aa1-bbc3-f7d4459ecbc1/
SH256 hash:
4ecc6f93befe9e437749072004a6114dca233d15ada6b5943d3a69105c058ece
MD5 hash:
c5902e940b0ffe949aa6d53bd0b70d18
SHA1 hash:
ec8ebb5b14135c547161aa027cb8142fd025001d
Link:
https://www.unpac.me/results/3b7d2c9b-9ee8-4aa1-bbc3-f7d4459ecbc1/
SH256 hash:
d296fb1135decc7c9b2d88a582eaad44c535f724fde4247a739d18bc905dc6d2
MD5 hash:
b01a15c06dd5c3453bcc198e292e618a
SHA1 hash:
e133ca4db40706a5ea926a5243aba1310f46a03a
Link:
https://www.unpac.me/results/3b7d2c9b-9ee8-4aa1-bbc3-f7d4459ecbc1/
SH256 hash:
678d527fc01a0eaa1be366ca97b0ad5a3fe890b1ef8267d2fc981ff43c4d08e5
MD5 hash:
2da433d67db4775d8f02a8fed4b31bf3
SHA1 hash:
235fe8f2076f3b5cfffacc574825550cee8e61e9
Link:
https://www.unpac.me/results/3b7d2c9b-9ee8-4aa1-bbc3-f7d4459ecbc1/
SH256 hash:
edadc813f4440ada276da601d8f31780e5e138b8ee392e3f49a509322a1fb51e
MD5 hash:
574597554c69083c1af2b742a97a92b6
SHA1 hash:
043eea660b8650c5a0042f842fd8db3516d37a2c
Link:
https://www.unpac.me/results/3b7d2c9b-9ee8-4aa1-bbc3-f7d4459ecbc1/
SH256 hash:
46951a3ebc868e98ba6c1211f987e0b938d7e6e8499902adbb8b77e97fdd4c5d
MD5 hash:
fc3d96cbba039438b06ed5e582a5d566
SHA1 hash:
33d3c6ec951d83cbe9ea9bc2b09982cd96187fea
Link:
https://www.unpac.me/results/3b7d2c9b-9ee8-4aa1-bbc3-f7d4459ecbc1/
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/46951a3ebc868e98ba6c1211f987e0b938d7e6e8499902adbb8b77e97fdd4c5d

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: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 46951a3ebc868e98ba6c1211f987e0b938d7e6e8499902adbb8b77e97fdd4c5d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/324644/

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