MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c664b0caca95e6a5abc0c2f3a4e5db449f331a4ef9b04a2cc1305a767a9ffb5b. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
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SHA256 hash: c664b0caca95e6a5abc0c2f3a4e5db449f331a4ef9b04a2cc1305a767a9ffb5b
SHA3-384 hash: 98e4f8c4ea7885662216425c0401483e15e26845910107fec52f6555531f0e041acf3488479331d07b70dd1e4412568b
SHA1 hash: 5774aab7ade131769cb21c5530c6cd582878bc8b
MD5 hash: 24f7a59daa18e18dbf1ed24be056886e
humanhash: shade-mars-sweet-neptune
File name:Остаточний платіж.exe
Download: download sample
Signature Formbook
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File size:26'624 bytes
First seen:2022-07-18 09:36:18 UTC
Last seen:2022-07-18 10:49:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 96:8zk9minPsXenbwUDridGMTsKqng+JIZGLlhJ1ZTuuV6T28gqsufAnqNe2uJtazNt:gWmmPzTKhAKOgkIYLV1xuPDAnc2Jtc
TLSH T1B7C2095553E98424EADACE36F62252311A7EBE5108D79B7AC4D437139E333D06B60AF0
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 ankit_anubhav
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
318
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Остаточний платіж.exe
Verdict:
Suspicious activity
Analysis date:
2022-07-18 09:39:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f50deb58-9bc6-492e-9042-af2a6f9d0a43

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/291543/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.9356.16600.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62d52a0061945a46c8d32cf9/reports/1d86e58a-b127-414a-83fc-ae7722a265c8/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4ac13261-348e-4c7e-a3ea-1afbe0ac18e2
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1035627
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
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 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 ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 668122 Sample: 56#U0436.exe Startdate: 18/07/2022 Architecture: WINDOWS Score: 100 35 www.frkswyf.com 2->35 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 7 other signatures 2->57 11 56#U0436.exe 15 4 2->11         started        signatures3 process4 dnsIp5 37 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49742 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 11->37 39 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49738 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 11->39 41 3 other IPs or domains 11->41 33 C:\Users\user\AppData\...\56#U0436.exe.log, ASCII 11->33 dropped 67 Encrypted powershell cmdline option found 11->67 69 Writes to foreign memory regions 11->69 71 Allocates memory in foreign processes 11->71 73 Injects a PE file into a foreign processes 11->73 16 InstallUtil.exe 11->16         started        19 powershell.exe 15 11->19         started        file6 signatures7 process8 signatures9 43 Modifies the context of a thread in another process (thread injection) 16->43 45 Maps a DLL or memory area into another process 16->45 47 Sample uses process hollowing technique 16->47 49 2 other signatures 16->49 21 explorer.exe 16->21 injected 24 conhost.exe 19->24         started        process10 signatures11 59 Uses ipconfig to lookup or modify the Windows network settings 21->59 26 ipconfig.exe 21->26         started        process12 signatures13 61 Modifies the context of a thread in another process (thread injection) 26->61 63 Maps a DLL or memory area into another process 26->63 65 Tries to detect virtualization through RDTSC time measurements 26->65 29 cmd.exe 1 26->29         started        process14 process15 31 conhost.exe 29->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c664b0caca95e6a5abc0c2f3a4e5db449f331a4ef9b04a2cc1305a767a9ffb5b/
Threat name:
Win32.Downloader.PsDownload
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Status:
Malicious
First seen:
2022-07-18 09:37:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yzslbswksxtklk6aylz2jzo3isptggso7gyeulgbgbnhm6u77nnq._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:pg21 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220718-llf3racbhn/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
c664b0caca95e6a5abc0c2f3a4e5db449f331a4ef9b04a2cc1305a767a9ffb5b
MD5 hash:
24f7a59daa18e18dbf1ed24be056886e
SHA1 hash:
5774aab7ade131769cb21c5530c6cd582878bc8b
Link:
https://www.unpac.me/results/b81008ef-ff82-422e-ba34-e8f4729a26a8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/c664b0caca95e6a5abc0c2f3a4e5db449f331a4ef9b04a2cc1305a767a9ffb5b

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.

  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/291543/

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