MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcd59d1843ff46e4396336cb6b6dd7fe8d033184be9de2c08bb53e8c541379e6. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bcd59d1843ff46e4396336cb6b6dd7fe8d033184be9de2c08bb53e8c541379e6
SHA3-384 hash: c1ad53731afa81e8b5213b300f0d8becfa00cc98dcedc57b434db1ceaf7ad6c94175038da5662a6e21fc0674fa9f45e3
SHA1 hash: f0234e22e0d02e178355ffcd1ee5b8fe4c7548c0
MD5 hash: 4e6bc8fe92391b837df96be65c0e73e4
humanhash: west-mexico-edward-glucose
File name:PRODUCTS SHEET 0051937.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:919'048 bytes
First seen:2024-08-15 04:29:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:j2iNvFIsPApIn4l/8ZZrZdGzg5TOjZt0gu3uO+s1zt1M6rkJ1IPae0Do3PNkR:j1DIKPfZrWMT4Ru3uPqwlJSiegWQ
TLSH T16715F044D698C6E0FD7977F84920B311C3B56C01A26ED9876FF177EE88727602E17A0A
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon b130fcd2d2d830a3 (6 x Formbook, 2 x RemcosRAT, 2 x njrat)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
487
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PRODUCTS SHEET 0051937.exe
Verdict:
Malicious activity
Analysis date:
2024-08-15 04:33:06 UTC
Tags:
formbook xloader stealer
Link:
https://app.any.run/tasks/964b41d5-cde3-46a4-ad25-28dc72ad48a9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Win.Malware.Generic-9957321-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66bd8450aa5b40be0aa038e0
Tags:
Encryption Execution Generic Network Static Stealth Malware
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66bd844e55c081148cc97858/reports/3afc04b3-96f9-47c8-af0e-ab3fa55c09ef/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/bcd59d1843ff46e4396336cb6b6dd7fe8d033184be9de2c08bb53e8c541379e6
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e4907389-33e8-4e54-a159-456079545e1e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1493216
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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 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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Process Parents
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1493216 Sample: PRODUCTS SHEET 0051937.exe Startdate: 15/08/2024 Architecture: WINDOWS Score: 100 35 www.nanytail.xyz 2->35 37 www.retrorocketmodels.com 2->37 39 17 other IPs or domains 2->39 47 Multi AV Scanner detection for domain / URL 2->47 49 Suricata IDS alerts for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 55 11 other signatures 2->55 10 PRODUCTS SHEET 0051937.exe 4 2->10         started        signatures3 53 Performs DNS queries to domains with low reputation 35->53 process4 file5 33 C:\Users\...\PRODUCTS SHEET 0051937.exe.log, ASCII 10->33 dropped 67 Adds a directory exclusion to Windows Defender 10->67 69 Injects a PE file into a foreign processes 10->69 14 PRODUCTS SHEET 0051937.exe 10->14         started        17 powershell.exe 23 10->17         started        signatures6 process7 signatures8 73 Maps a DLL or memory area into another process 14->73 19 aWkyxRjKQBVdrmQTrT.exe 14->19 injected 75 Loading BitLocker PowerShell Module 17->75 22 conhost.exe 17->22         started        process9 signatures10 57 Found direct / indirect Syscall (likely to bypass EDR) 19->57 24 bitsadmin.exe 13 19->24         started        process11 signatures12 59 Tries to steal Mail credentials (via file / registry access) 24->59 61 Tries to harvest and steal browser information (history, passwords, etc) 24->61 63 Modifies the context of a thread in another process (thread injection) 24->63 65 3 other signatures 24->65 27 aWkyxRjKQBVdrmQTrT.exe 24->27 injected 31 firefox.exe 24->31         started        process13 dnsIp14 41 www.dichbornholm.com 46.30.215.97, 49754, 49755, 49756 ONECOMDK Denmark 27->41 43 www.nanytail.xyz 198.177.123.106, 49738, 49739, 49740 FINALFRONTIERVG United States 27->43 45 7 other IPs or domains 27->45 71 Found direct / indirect Syscall (likely to bypass EDR) 27->71 signatures15
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bcd59d1843ff46e4396336cb6b6dd7fe8d033184be9de2c08bb53e8c541379e6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bcd59d1843ff46e4396336cb6b6dd7fe8d033184be9de2c08bb53e8c541379e6/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-06-17 06:21:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xtkz2gcd75doioldg3fww3ox72gqgmmex2o6fqelwu7iyvatphta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery execution stealer
Link:
https://tria.ge/reports/240815-e4tm8szcnm/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Credentials from Password Stores: Credentials from Web Browsers
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/336d618b-9799-4ea8-bd46-39bf7f10ad1a
Unpacked files
SH256 hash:
06ca28dfd08b5a1a6e9277de0d6977d370e0a0b2c20edc6cb0fc27e886dcf745
MD5 hash:
510a26bfcfe9a8b1a680d6e8598ea4d4
SHA1 hash:
cdbbcecd36be75e91cd26bfb2c6315fcaa29c512
Link:
https://www.unpac.me/results/8c8c4ab8-b1e8-466d-b57f-9adcbdd05c21/
SH256 hash:
a14d5fcbfe69dd1cfa3ae6881ee0313238dbccab3248ee712ee6cecfd47153a6
MD5 hash:
6dd4a8c71793ed386abc8c965329d58b
SHA1 hash:
968ab7aaec8850ddcf89cdea935b02c774fd5eb7
Link:
https://www.unpac.me/results/8c8c4ab8-b1e8-466d-b57f-9adcbdd05c21/
SH256 hash:
50e9fdc2ad07b9d4acd6733d39e52258a61a057c40c23462998c146a8f88b41a
MD5 hash:
df314d13b795766bed7e8b14111119f7
SHA1 hash:
ea9358903106ea23a1ca881b2e8d16bf17e25519
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/8c8c4ab8-b1e8-466d-b57f-9adcbdd05c21/
SH256 hash:
c4b12039bfed4c8bbb9d1376004da60480e49a379a84c9e60565bbd5caef07b2
MD5 hash:
144f7fcaaa3b81b0a3706203a7f1add8
SHA1 hash:
4bc14913fd448b4a2664e1e9ba664a1c6e9a9194
Link:
https://www.unpac.me/results/8c8c4ab8-b1e8-466d-b57f-9adcbdd05c21/
SH256 hash:
f50e64b72b7e3377e118bebbdfaeca62ad77d32a1a1189488f2a675bd24c9480
MD5 hash:
dc255abd2a40792e001b053c7b6a595f
SHA1 hash:
027624394357738bb4c04424dcdece789121652f
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/8c8c4ab8-b1e8-466d-b57f-9adcbdd05c21/
Parent samples :
57826299a05b5202efad57e0b8580ffad6d90feace9734a5aceb3a0d945fbeee
bcd59d1843ff46e4396336cb6b6dd7fe8d033184be9de2c08bb53e8c541379e6
SH256 hash:
bcd59d1843ff46e4396336cb6b6dd7fe8d033184be9de2c08bb53e8c541379e6
MD5 hash:
4e6bc8fe92391b837df96be65c0e73e4
SHA1 hash:
f0234e22e0d02e178355ffcd1ee5b8fe4c7548c0
Link:
https://www.unpac.me/results/8c8c4ab8-b1e8-466d-b57f-9adcbdd05c21/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bcd59d1843ff/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/bcd59d1843ff46e4396336cb6b6dd7fe8d033184be9de2c08bb53e8c541379e6

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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