MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2578a3ee6e570cfe5821bbaaf172268ede5fba895d1b4be52df244e73e066bdd. 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 16 File information Comments
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SHA256 hash: 2578a3ee6e570cfe5821bbaaf172268ede5fba895d1b4be52df244e73e066bdd
SHA3-384 hash: 173c7abfd51ab1f57f6fd9c61bf5691a98cbe27af7a03c07ea2cdfb99511d2081441038bcb5739903fdf26f538bab738
SHA1 hash: 6b929fda95750ec40fead6eac3a7fb79445d2fcc
MD5 hash: 5bd13cdcb7983b234047365d85d748b7
humanhash: tennessee-fifteen-harry-west
File name:BMLKSL030823.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:373'666 bytes
First seen:2023-09-29 12:55:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9dda1a1d1f8a1d13ae0297b47046b26e (64 x Formbook, 39 x GuLoader, 22 x RemcosRAT)
ssdeep 6144:LnPdudwDzGKQa1t84Uiip9tEnyKw9W7x9tQOUnuMbznvqgd9Tcy5LH3:LnPdvB12di9dgjvNcy5b3
Threatray 120 similar samples on MalwareBazaar
TLSH T186841240B1A5C8D3E5B30E31593FD3371DF9EC3E69A9636B63D07A496872212C81E366
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 d2e8ecb2b2a2b282 (106 x AgentTesla, 106 x Formbook, 24 x RedLineStealer)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
312
Origin country :
CA CA
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/451984/
Detection(s):
SecuriteInfo.com.Trojan.Loader.1550.23700.9299.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Unauthorized injection to a recently created process
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Sending an HTTP POST request
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/6516c96332ffdb7a7a18e91a/reports/cc354ac2-10d3-4d62-93be-78fdf09210f8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2578a3ee6e570cfe5821bbaaf172268ede5fba895d1b4be52df244e73e066bdd
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/ac09530c-3fa8-4f7f-96bb-aae9cdc5bb28
Result
Threat name:
FormBook, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1316587
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1316587 Sample: BMLKSL030823.exe Startdate: 29/09/2023 Architecture: WINDOWS Score: 100 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 4 other signatures 2->46 10 BMLKSL030823.exe 18 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\aaztchs.exe, PE32 10->28 dropped 13 aaztchs.exe 10->13         started        process5 signatures6 60 Multi AV Scanner detection for dropped file 13->60 62 Maps a DLL or memory area into another process 13->62 16 aaztchs.exe 13->16         started        process7 signatures8 36 Maps a DLL or memory area into another process 16->36 38 Queues an APC in another process (thread injection) 16->38 19 sKCeMHSlMdURKe.exe 16->19 injected process9 process10 21 wlanext.exe 13 19->21         started        signatures11 48 Tries to steal Mail credentials (via file / registry access) 21->48 50 Tries to harvest and steal browser information (history, passwords, etc) 21->50 52 Modifies the context of a thread in another process (thread injection) 21->52 54 Maps a DLL or memory area into another process 21->54 24 explorer.exe 3 1 21->24 injected process12 dnsIp13 30 www.blackgrow.info 203.161.53.83, 49843, 49844, 49845 VNPT-AS-VNVNPTCorpVN Malaysia 24->30 32 mydesigneredge.com 162.144.13.104, 49866, 49867, 49868 UNIFIEDLAYER-AS-1US United States 24->32 34 14 other IPs or domains 24->34 56 System process connects to network (likely due to code injection or exploit) 24->56 58 Performs DNS queries to domains with low reputation 24->58 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2578a3ee6e570cfe5821bbaaf172268ede5fba895d1b4be52df244e73e066bdd/
Threat name:
Win32.Trojan.Garf
Create hunting rule
Status:
Malicious
First seen:
2023-09-28 15:09:26 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ev4kh3tok4gp4wbbxovpc4rgr3pf7oujlunuxzjn6jcoopqgnpoq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
16c15ef7330e3f3d1915b88ee65986e3c49ae85d26e87e11b2a2f0e7b9202626
Formbook
281b4916e39e780d0d7e0629bec8c291ca344faccaa244280edaa8454732f113
Formbook
4fdfe40f48c52d70c5f3bade65c62b252e26808b6893ffd844a0cec8c9612b09
Formbook
619b74c414ceb8633539d653de1083cedd1643d16d0d3853773daa007fb43cc3
Formbook
874ee8f230f9d4ff0446d583f123f9822a34e990d57fcb235789c5bfbfebb73d
Formbook
ae55969bc55af23c375a095c98cf9fbcd940bd1392eeac7492991648b06fd5ee
Formbook
bc890782390a43bb02de2a7f6d6bbc1f05cceed4e6277f3f36719edb14cb5067
Formbook
c8122debaede9ed9ffba560e7a8367c38801bc6879c51abaaf628a3e176cf1e1
Formbook
f23c197a08df004d0646c8588e588d3ae064368a208f4679718c0c8995161362
Formbook
fc563ce0d3583e88222493534f0f02d94ca9dab17c906c5deacf7132852b51b4
Formbook
+ 110 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230929-p6b63sca62/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
301945a6095d72e1ec7967d7db17e6d35eaa601e216df381e46bb012e8a86fa3
MD5 hash:
f0f7cfcdf06f60d1b522d3c49b91008c
SHA1 hash:
d257672513b0eedf9c6465db01669a859bae8b70
Link:
https://www.unpac.me/results/68a88824-c7bf-4a66-a63d-1343cb0413b8/
SH256 hash:
2578a3ee6e570cfe5821bbaaf172268ede5fba895d1b4be52df244e73e066bdd
MD5 hash:
5bd13cdcb7983b234047365d85d748b7
SHA1 hash:
6b929fda95750ec40fead6eac3a7fb79445d2fcc
Link:
https://www.unpac.me/results/68a88824-c7bf-4a66-a63d-1343cb0413b8/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2578a3ee6e57/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/2578a3ee6e570cfe5821bbaaf172268ede5fba895d1b4be52df244e73e066bdd

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

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/451984/

Comments