MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18123906c231582b7b137ee1e95336f382ce4bfeb9621b5f06aad0baec7fb619. 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 18 File information Comments
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SHA256 hash: 18123906c231582b7b137ee1e95336f382ce4bfeb9621b5f06aad0baec7fb619
SHA3-384 hash: d72c041ffbfee76389bdc18e60bb187693fffcf6d3fa3c5c7555f00434e12ee7fbeafec6a737d8d3deed6445de20dd69
SHA1 hash: 0de6d21df0f53197470c730337bd2f939d35e249
MD5 hash: 129ea51f90845862521c75921c47db2b
humanhash: quebec-mexico-iowa-wyoming
File name:18123906c231582b7b137ee1e95336f382ce4bfeb9621b5f06aad0baec7fb619
Download: download sample
Signature Formbook
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File size:632'832 bytes
First seen:2023-11-07 14:06:14 UTC
Last seen:2023-11-07 15:33:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:dePX9K6cvkwga+GC2NONXFl81OjPNde12VP26aIFHDAwlJA6:Gt8kwJDC26FlSIbeY+IFHDAwl
Threatray 1'979 similar samples on MalwareBazaar
TLSH T112D41200759CC823CB55157A4BABC2B443FE9E8D5014F3E42AF96C9BBCEAB5BD0056D2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 34263632b39bd9d0 (9 x AgentTesla, 5 x Formbook, 3 x Loki)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
313
Origin country :
HU HU
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2370.16411.2350.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/654a44866f0bce33263680c0/reports/62449f6f-b453-4ec7-bf32-eb5b35a9905c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/18123906c231582b7b137ee1e95336f382ce4bfeb9621b5f06aad0baec7fb619
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/6f171cba-8bf9-4cef-abaf-b06622d40290
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1338237
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1338237 Sample: D2y8mc7dzk.exe Startdate: 07/11/2023 Architecture: WINDOWS Score: 100 34 www.yadongkorea.rentals 2->34 36 www.simplysoaps.store 2->36 38 12 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 12 other signatures 2->48 11 D2y8mc7dzk.exe 3 2->11         started        signatures3 process4 signatures5 56 Tries to detect virtualization through RDTSC time measurements 11->56 58 Injects a PE file into a foreign processes 11->58 14 D2y8mc7dzk.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 38 1 14->17 injected process8 dnsIp9 28 www.redbeliar.com 162.214.129.144, 49718, 80 UNIFIEDLAYER-AS-1US United States 17->28 30 www.jantbolsosexclusivos.com 212.227.172.251, 49716, 80 ONEANDONE-ASBrauerstrasse48DE Germany 17->30 32 5 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 explorer.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/18123906c231582b7b137ee1e95336f382ce4bfeb9621b5f06aad0baec7fb619
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/18123906c231582b7b137ee1e95336f382ce4bfeb9621b5f06aad0baec7fb619/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2023-10-12 10:39:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dajdsbwcgfmcw6ytp3q6suzw6obm4s76xfrbwxygvlilv3d7wymq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
014ed741b83b7bd4572f9fb1285ebecf658b74eb367b712614034c28b9af4845
Formbook
3e1c698228509853ff20630c605525450e37d2741f7137b3784a21d4e5d7a998
Formbook
43af3e8acb9ddd2f5f99107a4b715b9ff684631e9d88847034b279b2a2621fc6
Formbook
67489279b14b30ad57178036c4c6d04037a31c41841eb812231dcf8c921f8b18
Formbook
6ec844914b335f0e27b9f536da5691fcc06e6ecc80d0af8dd7bc3ed8b3ee0a60
Formbook
795998e9064cb981d6a40a34fbeee48381121ea7ac7175ffe5b506b11cf843d7
Formbook
83fe062cb82d518d92a41e899c47291e38a613eb7b3c043712f6f20bb7d98bee
Formbook
e3a54b7c39fc2f292bae653dcfe4e68f162ec5498cd2697bcdc2993767fb66f5
Formbook
f20f47d3d6665d9f24bba7bab57b474b848bc0b7d814d88af27c02d34f7dd159
Formbook
+ 1'969 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ur25 rat spyware stealer trojan
Link:
https://tria.ge/reports/231107-rey8mshg73/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
41b7f67e70975a9743009770864a916f94cd07a11e6c05ddad4ac14f2549f761
MD5 hash:
9db9075781b8d531290ab8f9caa801a7
SHA1 hash:
29ef7daea8e1fc0ccefd973db686ef209ad37cb1
Detections:
FormBook
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win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/839f69e2-6ca9-490b-816c-1968693bcffa/
Parent samples :
566e2a793ef02ec92066c9324c65bb406790217ba0a3158dc9ba56b612ba465e
6ec844914b335f0e27b9f536da5691fcc06e6ecc80d0af8dd7bc3ed8b3ee0a60
3e1c698228509853ff20630c605525450e37d2741f7137b3784a21d4e5d7a998
e3a54b7c39fc2f292bae653dcfe4e68f162ec5498cd2697bcdc2993767fb66f5
67489279b14b30ad57178036c4c6d04037a31c41841eb812231dcf8c921f8b18
18123906c231582b7b137ee1e95336f382ce4bfeb9621b5f06aad0baec7fb619
SH256 hash:
a040efb5ce92995b5d40fd2536c8ad6a93f2d8584a3dd52f07cdb0b34c9e6e29
MD5 hash:
a5a52675690de850e3de6c05a9bd885f
SHA1 hash:
fd953edf2e910fbb43c9e6d4c8d48632bb4e55c6
Link:
https://www.unpac.me/results/839f69e2-6ca9-490b-816c-1968693bcffa/
SH256 hash:
13cf4fcdda8a50dd691606e8f5ba7505b258bcb119ed67f8e7b3cd055ed794e2
MD5 hash:
3c0f7ca24a7d1ee76f9c3e67fbbe3e1d
SHA1 hash:
8a8eccf63fab51e084e4516fdd1f624c6e357c21
Link:
https://www.unpac.me/results/839f69e2-6ca9-490b-816c-1968693bcffa/
SH256 hash:
22672d7f894e421086cf5977e6c79f03bbf8599984f10512c12d17c63434dbef
MD5 hash:
7362b9276043de4b7b85aba64785f492
SHA1 hash:
66b8d13622720bf1585de458616582d7bea41b07
Link:
https://www.unpac.me/results/839f69e2-6ca9-490b-816c-1968693bcffa/
SH256 hash:
18123906c231582b7b137ee1e95336f382ce4bfeb9621b5f06aad0baec7fb619
MD5 hash:
129ea51f90845862521c75921c47db2b
SHA1 hash:
0de6d21df0f53197470c730337bd2f939d35e249
Link:
https://www.unpac.me/results/839f69e2-6ca9-490b-816c-1968693bcffa/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/18123906c231/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/18123906c231582b7b137ee1e95336f382ce4bfeb9621b5f06aad0baec7fb619

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Author:qux
Description:Detects exe does not have import table
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
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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: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.

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