MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 037d18a0489c63d5d9ba87f8ea9652c511df0787eb9d8fe361cfab7f93e03582. 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 5 File information Comments
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SHA256 hash: 037d18a0489c63d5d9ba87f8ea9652c511df0787eb9d8fe361cfab7f93e03582
SHA3-384 hash: 65fb5bbdc04b0b7a488b4c70f442461915501cbfb48edd01e0c184e91991a4000518b8be8395096859cea40005544b2b
SHA1 hash: 18f5bc70c635da9b95e47898f0313758e225a380
MD5 hash: 7994c54a4717446039c90d9f5e63d4ce
humanhash: one-winter-glucose-sad
File name:shelamas3.1.exe
Download: download sample
Signature Formbook
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File size:523'945 bytes
First seen:2022-12-07 14:17:12 UTC
Last seen:2022-12-07 15:32:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ab6770b0a8635b9d92a5838920cfe770 (84 x Formbook, 30 x AgentTesla, 15 x Loki)
ssdeep 12288:nEUfI55vi6nBA+FrSbH/PJ8jevCPyyYmYj:npYnnBA+FG7/h8jeKPtYtj
TLSH T11DB4DF0833749187C900EA7C2E60F67C41B1793B66E10E56F6663FBE6F779522D8A170
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 6068e8d4e870706c (2 x Formbook, 1 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
shelamas3.1.exe
Verdict:
Malicious activity
Analysis date:
2022-12-07 14:18:40 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/8cf111cc-9b42-413a-9123-f7696fbbe61c

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/344007/
Detection(s):
SecuriteInfo.com.FileRepMalware.19087.19068.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6390a09df6e448d42df78842/reports/9dec9502-b4fc-4a8f-8178-1ea97d455a52/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:
LockBit Ransomware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/33504398-47a7-4106-9dc5-eccccafc05f2
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1129987
Signature
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 762713 Sample: shelamas3.1.exe Startdate: 07/12/2022 Architecture: WINDOWS Score: 100 38 www.debbiepatrickdesigns.com 2->38 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 4 other signatures 2->60 12 shelamas3.1.exe 19 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\Local\...\okkofadc.exe, PE32 12->36 dropped 15 okkofadc.exe 1 12->15         started        process6 signatures7 70 Multi AV Scanner detection for dropped file 15->70 72 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 15->72 74 Maps a DLL or memory area into another process 15->74 76 Tries to detect virtualization through RDTSC time measurements 15->76 18 okkofadc.exe 15->18         started        21 conhost.exe 15->21         started        process8 signatures9 46 Modifies the context of a thread in another process (thread injection) 18->46 48 Maps a DLL or memory area into another process 18->48 50 Sample uses process hollowing technique 18->50 52 Queues an APC in another process (thread injection) 18->52 23 explorer.exe 18->23 injected process10 dnsIp11 40 td-ccm-168-233.wixdns.net 34.117.168.233, 49723, 80 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 23->40 42 www.hannahmarsh.co.uk 23->42 44 gcdn0.wixdns.net 23->44 62 System process connects to network (likely due to code injection or exploit) 23->62 27 raserver.exe 23->27         started        30 autofmt.exe 23->30         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 27->64 66 Maps a DLL or memory area into another process 27->66 68 Tries to detect virtualization through RDTSC time measurements 27->68 32 cmd.exe 1 27->32         started        process15 process16 34 conhost.exe 32->34         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/037d18a0489c63d5d9ba87f8ea9652c511df0787eb9d8fe361cfab7f93e03582/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-12-07 13:54:32 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 40 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=an6rricitrr5lwn2q74ovfssyui56b4h5ooy7y3bz6vx7e7agwba._file
Verdict:
malicious
Label(s):
formbook
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cobaltstrike
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:sk19 rat spyware stealer trojan
Link:
https://tria.ge/reports/221207-rl99gsac5z/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Blocklisted process makes network request
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fd9f3908-6f4d-4f89-95c7-f991aca5eb02
Unpacked files
SH256 hash:
de732771e75023f249690f69881001b419aa82e0798bf74b2a4e93aa6f3269a6
MD5 hash:
8ab7de5fecc18e22d49b574f7be64592
SHA1 hash:
be04ac5fa8f1dbb6a0aafc30a28a37d0cea2a9ef
Detections:
FormBook
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/701cf271-bb74-4282-be11-a84f3e34c29c/
Parent samples :
53495ecf8b97a44f42431f7a069d6d993728788af54c20ce7ece289640c3e1c9
d8958a368d1b240ea4aeec66e287dc6ff1047f6e322276c8b7234a2d64aca3b1
2728b4a373b5fe9349f007facb3e2194f41b80ec41aa0eb87864bf81e7da0b8e
c9cf9f0fa6980019aa3a93b9b25ca2cf14cfad4b4afef12d43a20ece34d2093b
037d18a0489c63d5d9ba87f8ea9652c511df0787eb9d8fe361cfab7f93e03582
469162ec601c979d1e51ad44ea01fa8a4520d650773e7280918128b43691f2e4
SH256 hash:
0a8372ac64cf7348a7d146d500c6a05b888d7423959223aa8e4c3e3083694f15
MD5 hash:
863b7a8eb137b0fd9a36296c249936a5
SHA1 hash:
e42b00e887f8303e19dfd9e6484150f9fccc6873
Link:
https://www.unpac.me/results/701cf271-bb74-4282-be11-a84f3e34c29c/
SH256 hash:
037d18a0489c63d5d9ba87f8ea9652c511df0787eb9d8fe361cfab7f93e03582
MD5 hash:
7994c54a4717446039c90d9f5e63d4ce
SHA1 hash:
18f5bc70c635da9b95e47898f0313758e225a380
Link:
https://www.unpac.me/results/701cf271-bb74-4282-be11-a84f3e34c29c/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/037d18a0489c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/037d18a0489c63d5d9ba87f8ea9652c511df0787eb9d8fe361cfab7f93e03582

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:meth_stackstrings
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Author:Willi Ballenthin
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
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Author:Elastic Security
Rule name:win_formbook_auto
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Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/344007/

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