MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3afba5d836aabdc23a27eca4d894594fa773ae8ecf3bcf7e2e038615ac3170a3. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
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SHA256 hash: 3afba5d836aabdc23a27eca4d894594fa773ae8ecf3bcf7e2e038615ac3170a3
SHA3-384 hash: 58a2aa728b28d6576f4b9a488dce0fb2e18dcdc841283012efaa7e8f3979bb25f61c86e86f94bbcd60c786f84fb28d86
SHA1 hash: 3bb4def0c7694df7789f1ab9586c4b3c4c7c2406
MD5 hash: 3da84da0a15135e175d3f249af4bc00c
humanhash: hotel-avocado-pluto-virginia
File name:SecuriteInfo.com.W32.AIDetectNet.01.32548.16935
Download: download sample
Signature Formbook
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File size:886'272 bytes
First seen:2022-06-16 06:38:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'653 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:1jy82yg157hrGCYkoFYVsmPfR7RoKHP5SppBCu0CjchNJlhufZoc1lwUnkLg0:MRdGdkLsmx7FD4jcPYocz3kU0
TLSH T1C215027EEAD38E23CB4C4375D0D38C1A1379960A9163F79A16144BEA8E447D68C0BBD7
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Request for proposal BUTTERFLY VALVE WITH GEAR BOX (HAND CONTROLLED)&.exe.bin.bin
Verdict:
Malicious activity
Analysis date:
2022-06-16 11:46:49 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/3983dc4c-3023-4d45-9d1e-6e794555b68b

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/280532/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.32548.16935.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Launching cmd.exe command interpreter
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62aacfee7046ab63f875ceba/reports/11dc90c3-bf9f-478d-a07d-d05b27d6244e/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/1fe30ec1-a71f-452c-ae33-b6d158158bb0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1014297
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 646796 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 16/06/2022 Architecture: WINDOWS Score: 100 32 www.queercrush.com 2->32 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 7 other signatures 2->44 11 SecuriteInfo.com.W32.AIDetectNet.01.32548.exe 3 2->11         started        signatures3 process4 file5 28 SecuriteInfo.com.W...et.01.32548.exe.log, ASCII 11->28 dropped 14 RegSvcs.exe 11->14         started        process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 2 other signatures 14->58 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.unfilled71bot.com 192.64.119.254, 49797, 80 NAMECHEAP-NETUS United States 17->30 34 System process connects to network (likely due to code injection or exploit) 17->34 36 Uses ipconfig to lookup or modify the Windows network settings 17->36 21 ipconfig.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/3afba5d836aabdc23a27eca4d894594fa773ae8ecf3bcf7e2e038615ac3170a3/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-16 04:57:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hl52lwbwvk64eorh5ssnrfczj6txhluoz45467roaodbllbrocrq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:a11e rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220616-hel4mshhh6/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
30b29c25703618d59824bd26663a8c95766c5cf5b34ad7487d3b4c30df6ea15e
MD5 hash:
bb1b1c6e0face3071fce89c63f6e586a
SHA1 hash:
2bdc29c4c5a4aa9eb4590a71a81f5f1d52207a8c
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/00ac686e-0125-476d-ae40-fc1d694f6c53/
Parent samples :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 hash:
84238dc32dc2c72716d7233f509b43a45617e2a24ca07eecda58ae37a704b90b
MD5 hash:
1d6115ad56b1707c8afa1a65f22afc96
SHA1 hash:
58cbf25298e84cf9d91da78ae370ac5ddbb2c3fd
Link:
https://www.unpac.me/results/00ac686e-0125-476d-ae40-fc1d694f6c53/
SH256 hash:
0a54e0d7e19b2236fcf9934cdad7ba5377447bf0f0d054cf9a3c8f2f7663d064
MD5 hash:
d1380b06b5f1a3a3d2f28524a82c90d4
SHA1 hash:
5168e480a00a61c39d414423cfa3b50c3ac7de0b
Link:
https://www.unpac.me/results/00ac686e-0125-476d-ae40-fc1d694f6c53/
SH256 hash:
ab3bf4b9f7b588b15d54ac14af0eee74f635e929b0766df38dc2a9f55eaf51db
MD5 hash:
8b5563cb7784a4d222b48cf4f737d1f5
SHA1 hash:
351fec94a2ad0bf7e1ebf7448dd152a1647ad2ea
Link:
https://www.unpac.me/results/00ac686e-0125-476d-ae40-fc1d694f6c53/
SH256 hash:
3afba5d836aabdc23a27eca4d894594fa773ae8ecf3bcf7e2e038615ac3170a3
MD5 hash:
3da84da0a15135e175d3f249af4bc00c
SHA1 hash:
3bb4def0c7694df7789f1ab9586c4b3c4c7c2406
Link:
https://www.unpac.me/results/00ac686e-0125-476d-ae40-fc1d694f6c53/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3afba5d836aa/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/3afba5d836aabdc23a27eca4d894594fa773ae8ecf3bcf7e2e038615ac3170a3

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
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
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/280532/

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