MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f6c93773e47afcf964b6d01313d63b90dcdb8ac227cd7bb80b232fc924f5aac. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
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SHA256 hash: 3f6c93773e47afcf964b6d01313d63b90dcdb8ac227cd7bb80b232fc924f5aac
SHA3-384 hash: 2ae8479dcaf1a823a39c0f26146593d518b77227ae5310ff16070b219792ad528496501903afa7151049cbe861f05ab7
SHA1 hash: bfd1349731e0b54884741b6a17c462142fa9578c
MD5 hash: 8a5e881fbd6f1560596a80deee399380
humanhash: pennsylvania-island-undress-sweet
File name:Purchase Order.exe
Download: download sample
Signature Formbook
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File size:643'584 bytes
First seen:2022-07-05 04:36:13 UTC
Last seen:2022-07-05 05:34:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:EMVIaFdwvBePSVM+qmTR5Nme+QFJELF/L48vE6fHFHLGhs6kDUl4sr:EMVIaTwvBZZDB/+F/EWE6fpZIl4s
TLSH T157D41210D3BD1B32C6B983FB8410962807F6A68A3521E35CDEC474D5696EBC1C6B9B37
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 70f0c4d2d2c4f070 (11 x AgentTesla, 7 x Formbook, 5 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.28671.29313.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
Link:
https://www.filescan.io/uploads/62c3c02b6ee6df015bba2f29/reports/b7bd55ea-0da8-4617-8609-46699b7f76b0/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/7cca2172-1a1b-4450-a5af-b3d107cc18b4
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1024546
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
Snort IDS alert for network traffic
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 657041 Sample: Purchase Order.exe Startdate: 05/07/2022 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 9 other signatures 2->41 10 Purchase Order.exe 3 2->10         started        process3 file4 29 C:\Users\user\...\Purchase Order.exe.log, ASCII 10->29 dropped 13 Purchase Order.exe 10->13         started        16 Purchase Order.exe 10->16         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 18 explorer.exe 13->18 injected process7 dnsIp8 31 www.highnotevintners.com 64.190.63.111, 49699, 80 NBS11696US United States 18->31 33 www.kalyahealth.com 154.219.145.242, 49700, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 control.exe 18->22         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 22->45 47 Maps a DLL or memory area into another process 22->47 49 Tries to detect virtualization through RDTSC time measurements 22->49 25 cmd.exe 1 22->25         started        process12 process13 27 conhost.exe 25->27         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/3f6c93773e47afcf964b6d01313d63b90dcdb8ac227cd7bb80b232fc924f5aac/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-07-05 02:28:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h5wjg5z6i6x47fslnuatcpldxeg43ofmej6npo4awizpzesplkwa._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:ir93 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220705-e8s79seabr/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
021bff5b7497f63714d88ed6427f6cea7be0adddfbb70ae66ea080cc68be5b9f
MD5 hash:
5b7a6ab6df7c1f5150baf0fca6cd53f1
SHA1 hash:
d8db78fd1247abc3f6e75be029a07b0d4003c907
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
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Link:
https://www.unpac.me/results/ff95487b-3026-40af-948f-6885f3706251/
Parent samples :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 hash:
91fff7db477d70d7f12b53104d6da5208f27b6bd4f7a62a06c5e20f993520592
MD5 hash:
0918ba6b01da4344d1d59b68b4935d0a
SHA1 hash:
b0a46d462634a983b3e9d822e6b23c584f705bd9
Link:
https://www.unpac.me/results/ff95487b-3026-40af-948f-6885f3706251/
SH256 hash:
3b59fe180dd50e3f3d4fdcbdd4e7a2d4e3e1c85ae43cb4f3716c4be41e9ec2ae
MD5 hash:
9ea556e333e216a65aa09c102f36004f
SHA1 hash:
814c07f1dc68bd61840384aac3aa8346d9f8148f
Link:
https://www.unpac.me/results/ff95487b-3026-40af-948f-6885f3706251/
SH256 hash:
e8d49f3d0383ce0c081e6e2630926a37577659b305b215c3b12edd49ee6dc5b8
MD5 hash:
318dfa7fdaefb9ed3316d20f51befd0c
SHA1 hash:
5bd4ec868390682d70f4524328b45ae3de01fb6e
Link:
https://www.unpac.me/results/ff95487b-3026-40af-948f-6885f3706251/
SH256 hash:
70bb4f8aa7d0a33f8206f78c845fa2bd686c2a0f2b3bd50cd0b6b887a45398ca
MD5 hash:
30d61a3a3e26c2bca2eb766990132d7c
SHA1 hash:
94f9742d5f21b13f7d8d194fe938193cbb6a0d4d
Link:
https://www.unpac.me/results/ff95487b-3026-40af-948f-6885f3706251/
SH256 hash:
3f6c93773e47afcf964b6d01313d63b90dcdb8ac227cd7bb80b232fc924f5aac
MD5 hash:
8a5e881fbd6f1560596a80deee399380
SHA1 hash:
bfd1349731e0b54884741b6a17c462142fa9578c
Link:
https://www.unpac.me/results/ff95487b-3026-40af-948f-6885f3706251/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3f6c93773e47/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:meth_get_eip
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Author:Willi Ballenthin
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 3f6c93773e47afcf964b6d01313d63b90dcdb8ac227cd7bb80b232fc924f5aac

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments