MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b59b87549a05648ed765f8de50208d3454d35fcad8c01cce3126f3bb56c96aa. 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
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SHA256 hash: 3b59b87549a05648ed765f8de50208d3454d35fcad8c01cce3126f3bb56c96aa
SHA3-384 hash: f41e7479c9ccd95e682a969472412c2fff09756fb9352dce90b26361d38df7cb97b332ab76b07a9bf6cf6fa30ccdfb74
SHA1 hash: ba1ac61923ac81dc76ef698f6a4f3603d0902519
MD5 hash: 5642104eedd54ba715c9459a84463af7
humanhash: hamper-lake-crazy-equal
File name:Betalingsbekræftelse.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:709'632 bytes
First seen:2022-08-12 19:41:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:9qzhuvpc++I2iNEpQxvEEJf+vrH6og42FqqHaVPs0Klo0s+8//0:czhApSI1JxvEEJf934Oq40KlRsG
TLSH T1F9E4D0AFA758041FCD60CB75D98C907A4FA8DC323422DDEFBEA3783596202AD541ED16
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)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
400
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Betalingsbekræftelse.exe
Verdict:
Malicious activity
Analysis date:
2022-08-12 19:43:12 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/aacbe56e-2589-4afe-9998-3a5dc1959b99

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/298280/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f6ad0be4e65a67c4a2b6c2/reports/2ea3b3b8-f7d5-418a-98db-080cd6211aed/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5a24d312-ccd7-49c2-a5ba-88af7b1f3313
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1050767
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in 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 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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 683277 Sample: Betalingsbekr#U00e6ftelse.exe Startdate: 12/08/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 9 other signatures 2->49 9 Betalingsbekr#U00e6ftelse.exe 7 2->9         started        process3 file4 35 C:\Users\user\AppData\...\KgWtClKXYa.exe, PE32 9->35 dropped 37 C:\Users\...\KgWtClKXYa.exe:Zone.Identifier, ASCII 9->37 dropped 39 C:\Users\user\AppData\Local\...\tmp565B.tmp, XML 9->39 dropped 41 C:\...\Betalingsbekr#U00e6ftelse.exe.log, ASCII 9->41 dropped 57 Uses schtasks.exe or at.exe to add and modify task schedules 9->57 59 Writes to foreign memory regions 9->59 61 Adds a directory exclusion to Windows Defender 9->61 63 Injects a PE file into a foreign processes 9->63 13 RegSvcs.exe 9->13         started        16 RegSvcs.exe 9->16         started        18 powershell.exe 21 9->18         started        20 2 other processes 9->20 signatures5 process6 signatures7 65 Modifies the context of a thread in another process (thread injection) 13->65 67 Maps a DLL or memory area into another process 13->67 69 Sample uses process hollowing technique 13->69 71 Queues an APC in another process (thread injection) 13->71 22 WWAHost.exe 13->22         started        25 explorer.exe 13->25 injected 73 Tries to detect virtualization through RDTSC time measurements 16->73 27 conhost.exe 18->27         started        29 conhost.exe 20->29         started        process8 signatures9 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 31 cmd.exe 1 22->31         started        process10 process11 33 conhost.exe 31->33         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/3b59b87549a05648ed765f8de50208d3454d35fcad8c01cce3126f3bb56c96aa/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-08-12 17:18:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hnm3q5kjubler3lwl6g6kaqi2ncu2np4vwgadthdcjxtxnlms2va._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:de08 rat spyware stealer trojan
Link:
https://tria.ge/reports/220812-yemyyabdh3/
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
Formbook payload
Formbook
Unpacked files
SH256 hash:
3f78f0ffadf4d713bbf5893516266f1528159c5f76d2b0c004162c3c76ca1684
MD5 hash:
035b80025b80603c2338447c8f9deae9
SHA1 hash:
99cd99c2d63e71c6e0d389b8ec0734d4b98c0e72
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
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FormBook
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Link:
https://www.unpac.me/results/cef5cee6-04eb-4c59-96ee-1b5beaaceacb/
Parent samples :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 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
Link:
https://www.unpac.me/results/cef5cee6-04eb-4c59-96ee-1b5beaaceacb/
SH256 hash:
1dc1bae39d0c25a7c4b88c88b827494bda9f5a75ac01563be7647ebc04f84045
MD5 hash:
96fc377de15786ce05331d9856ebb00f
SHA1 hash:
87a4acad0518bb1ff6a8ea22a19cf7cfb8ed3836
Link:
https://www.unpac.me/results/cef5cee6-04eb-4c59-96ee-1b5beaaceacb/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/cef5cee6-04eb-4c59-96ee-1b5beaaceacb/
SH256 hash:
0b6c94a939531bdaaa8ea17e19db13280a44588dfc0eaf535c2a09649e8886f9
MD5 hash:
db50ae8bdd6f43d31851b05e32635732
SHA1 hash:
008faa2461a1d7fa23918dcf4249fad35366bcb6
Link:
https://www.unpac.me/results/cef5cee6-04eb-4c59-96ee-1b5beaaceacb/
SH256 hash:
3b59b87549a05648ed765f8de50208d3454d35fcad8c01cce3126f3bb56c96aa
MD5 hash:
5642104eedd54ba715c9459a84463af7
SHA1 hash:
ba1ac61923ac81dc76ef698f6a4f3603d0902519
Link:
https://www.unpac.me/results/cef5cee6-04eb-4c59-96ee-1b5beaaceacb/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3b59b87549a0/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/3b59b87549a05648ed765f8de50208d3454d35fcad8c01cce3126f3bb56c96aa

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
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.

Cape
Cape
https://www.capesandbox.com/analysis/298280/

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