MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c8bb939433b05a8b56b08ef68f8c5b5f396bc2b5454ec09d4ee1654951ff463. 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: 14


Intelligence 14 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6c8bb939433b05a8b56b08ef68f8c5b5f396bc2b5454ec09d4ee1654951ff463
SHA3-384 hash: bd14441478817f6cbfae7d5bbb39d35d26d9e1acd257d2655fd1289f717c8e4f7f7040475736a70d8b316bb750c0aa9f
SHA1 hash: 4b19ed069368fa3b9433c9c8d8b4a050dfae77bc
MD5 hash: e9577305797da56c4538f35d2da1e6ef
humanhash: potato-tango-blossom-ink
File name:DHL-081023.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'029'179 bytes
First seen:2023-10-08 15:46:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:NTbBv5rUanWnNr75xArQDF8XhV+dFGa6mPcyGJzQfs8FiNGVDoB:HBjWnd7HbghVRoGBQfookB
Threatray 219 similar samples on MalwareBazaar
TLSH T1C0251212BDC258B2C5722D336AB86711BA3DB9201FB58EDF63D0462CDA315C1D731BA6
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 74f4d4d4cce4e8e0 (27 x AgentTesla, 19 x Formbook, 17 x DBatLoader)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
322
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Win.Dropper.Formbook-10010077-0
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Win.Dropper.Formbook-10010079-0
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SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file
Launching the process to change network settings
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm autoit control greyware keylogger lolbin masquerade overlay packed replace setupapi shdocvw shell32 wscript
Link:
https://www.filescan.io/uploads/6522cefa7e001f82cf78951b/reports/53352c4a-8990-4cd4-8c72-38b99f88d574/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/6c8bb939433b05a8b56b08ef68f8c5b5f396bc2b5454ec09d4ee1654951ff463
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/6fbd0125-e476-4c07-a2c0-c60737ef6d7a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1321769
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to modify clipboard data
Found API chain indicative of sandbox detection
Found malware configuration
Injects a PE file into a foreign processes
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 domain / URL
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 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
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1321769 Sample: DHL-081023.exe Startdate: 08/10/2023 Architecture: WINDOWS Score: 100 53 zerofeelettings.com 2->53 55 www.zerofeelettings.com 2->55 57 11 other IPs or domains 2->57 67 Snort IDS alert for network traffic 2->67 69 Multi AV Scanner detection for domain / URL 2->69 71 Found malware configuration 2->71 73 7 other signatures 2->73 14 DHL-081023.exe 3 38 2->14         started        signatures3 process4 file5 51 C:\Users\user\AppData\Local\Temp\...\taol.dll, PE32 14->51 dropped 103 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->103 18 wscript.exe 2 1 14->18         started        signatures6 process7 signatures8 65 Windows Scripting host queries suspicious COM object (likely to drop second stage) 18->65 21 cmd.exe 1 18->21         started        24 cmd.exe 1 18->24         started        process9 signatures10 85 Uses ipconfig to lookup or modify the Windows network settings 21->85 26 taol.dll 2 21->26         started        29 conhost.exe 21->29         started        31 conhost.exe 24->31         started        33 ipconfig.exe 1 24->33         started        process11 signatures12 89 Multi AV Scanner detection for dropped file 26->89 91 Found API chain indicative of sandbox detection 26->91 93 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 26->93 95 4 other signatures 26->95 35 RegSvcs.exe 26->35         started        38 RegSvcs.exe 26->38         started        process13 signatures14 75 Modifies the context of a thread in another process (thread injection) 35->75 77 Maps a DLL or memory area into another process 35->77 79 Sample uses process hollowing technique 35->79 81 Queues an APC in another process (thread injection) 35->81 40 explorer.exe 6 1 35->40 injected 83 Tries to detect virtualization through RDTSC time measurements 38->83 process15 dnsIp16 59 www.tygyro.com 103.224.182.242, 49745, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 40->59 61 www.joeysdoor.com 103.224.212.210, 49741, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 40->61 63 3 other IPs or domains 40->63 87 System process connects to network (likely due to code injection or exploit) 40->87 44 svchost.exe 40->44         started        signatures17 process18 signatures19 97 Modifies the context of a thread in another process (thread injection) 44->97 99 Maps a DLL or memory area into another process 44->99 101 Tries to detect virtualization through RDTSC time measurements 44->101 47 cmd.exe 1 44->47         started        process20 process21 49 conhost.exe 47->49         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6c8bb939433b05a8b56b08ef68f8c5b5f396bc2b5454ec09d4ee1654951ff463/
Threat name:
Win32.Trojan.Znyonm
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Status:
Malicious
First seen:
2023-10-08 08:29:40 UTC
File Type:
PE (Exe)
Extracted files:
63
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nsf3sokdhmc2rnllbdxwr6gfwxzznpblkrkoycou5ylfjfi76rrq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2cb0d3b3c2a398a778d18b089cf68d8f7fd91808da695bee0f0fb556354efe09
Formbook
8510156c681956fa592f4e2f346a7cd02ce7a00a31264dc2106e6e0b5a4b267b
Formbook
9eb2b7acb3ab10e79a731f59d8cb0674cdaeff303db290a18e86d808d0aeb6ca
Formbook
d6cb7358c0741c5f1e50c5d8fef2423d960345a59e722a88d852049a9226811e
Formbook
eb53ed1886ae853bdeb51270964242b2b03373388e65acc012c8fe0485b81514
Formbook
ebb76e46e178491fd48787e80ce952910124d6f1a00c92744a5f84278192030c
Formbook
+ 209 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:hesf rat spyware stealer trojan
Link:
https://tria.ge/reports/231008-s777pagb62/
Behaviour
Gathers network information
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
c79cbcd03b09bdb3cd4930f69739041d586c45bf7c5613a2ea680db4dbbddc01
MD5 hash:
bf107c7aca1866cae2d38950e75664d3
SHA1 hash:
1395fd7e2f954b5fa820279f14e73516c2c1e066
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/553b4aef-e24e-407b-ad45-56e51a0e51cc/
Parent samples :
eb53ed1886ae853bdeb51270964242b2b03373388e65acc012c8fe0485b81514
6c8bb939433b05a8b56b08ef68f8c5b5f396bc2b5454ec09d4ee1654951ff463
f6d7139261fa6e4b9c7b204b0a55af5d2c3a41fcfe7ae0dbb49f8d7ce45bf387
SH256 hash:
9b779f84b9694b1612f1e529a26f7a5c5645fb91e6bdb739baa3e420827b35d0
MD5 hash:
0203d88434be6c42ac16a67e70c16e06
SHA1 hash:
8097cc03bcd5b743dc8785a1e171a72559f9fc78
Link:
https://www.unpac.me/results/553b4aef-e24e-407b-ad45-56e51a0e51cc/
SH256 hash:
6c8bb939433b05a8b56b08ef68f8c5b5f396bc2b5454ec09d4ee1654951ff463
MD5 hash:
e9577305797da56c4538f35d2da1e6ef
SHA1 hash:
4b19ed069368fa3b9433c9c8d8b4a050dfae77bc
Link:
https://www.unpac.me/results/553b4aef-e24e-407b-ad45-56e51a0e51cc/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6c8bb939433b/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/6c8bb939433b05a8b56b08ef68f8c5b5f396bc2b5454ec09d4ee1654951ff463

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__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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
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Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Author:qux
Description:Detects exe does not have import table
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:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

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

Malspam

Formbook

Executable exe 6c8bb939433b05a8b56b08ef68f8c5b5f396bc2b5454ec09d4ee1654951ff463

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments