MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b55cf6b5ec66fdc4dbbecc4e2f7698549964ec234bd0b55d057527d59d91147d. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
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SHA256 hash: b55cf6b5ec66fdc4dbbecc4e2f7698549964ec234bd0b55d057527d59d91147d
SHA3-384 hash: ae3e318eabc4782a3727dfa63535efb3a99152a42dfc3cdaa2b3a7cf892c9bbcf1923994132831594ab670f5da35ea8a
SHA1 hash: aba6a0de8e85cf5a84c0a158d3908189ecf29330
MD5 hash: 9e67c73f86b034d009280ab03db20124
humanhash: bluebird-king-failed-uniform
File name:Delivery form - Airway bill details - Tracking info 45821631127I ,pdf.scr
Download: download sample
Signature Formbook
Create hunting rule
File size:1'444'352 bytes
First seen:2024-12-26 10:50:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f0e442fd53b74b3dd79fc9c49606a925 (1 x Formbook)
ssdeep 24576:Gae+1jKFTxeZhauIhY8oYsO0COg21wu0L8U:Ge16FeGrI/g21W8U
TLSH T1F9655B91A61387E1D27609343F0772F9A82D3C1CAA34A58E6FDC1D6EE971942EC33572
TrID 53.5% (.EXE) InstallShield setup (43053/19/16)
17.6% (.EXE) Win32 Executable Delphi generic (14182/79/4)
13.0% (.EXE) Win64 Executable (generic) (10522/11/4)
5.6% (.EXE) Win32 Executable (generic) (4504/4/1)
2.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
File icon (PE):PE icon
dhash icon c2a2400102020202 (1 x DBatLoader, 1 x Formbook)
Reporter TeamDreier
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
389
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Delivery form - Airway bill details - Tracking info 45821631127I ,pdf.scr
Verdict:
Malicious activity
Analysis date:
2024-12-26 10:51:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a7d4b916-781c-4a57-aba3-512b4ee14b93

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Trojan.Generickdz-9951971-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676d351875bf3268d2fe9623
Tags:
ransomware emotet virus blic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Сreating synchronization primitives
Creating a window
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context borland_delphi fingerprint keylogger masquerade modiloader
Link:
https://www.filescan.io/uploads/676d35190dd45a148a4058f1/reports/6c55484e-8e9b-4b81-93d2-afbc4e215e3d/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b55cf6b5ec66fdc4dbbecc4e2f7698549964ec234bd0b55d057527d59d91147d
Result
Verdict:
UNKNOWN
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:
Starter
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b968f9d8-22ef-4882-84e1-4371736324f8
Result
Threat name:
DBatLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1580843
Signature
AI detected suspicious sample
Allocates many large memory junks
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Drops PE files with a suspicious file extension
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample is not signed and drops a device driver
Sample uses process hollowing technique
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Execution from Suspicious Folder
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Parent in Public Folder Suspicious Process
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)
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1580843 Sample: Delivery form - Airway bill... Startdate: 26/12/2024 Architecture: WINDOWS Score: 100 64 www.bellhomehd.shop 2->64 66 drive.usercontent.google.com 2->66 68 2 other IPs or domains 2->68 76 Suricata IDS alerts for network traffic 2->76 78 Found malware configuration 2->78 80 Multi AV Scanner detection for submitted file 2->80 82 12 other signatures 2->82 10 Delivery form - Airway bill details - Tracking info 45821631127I ,pdf.scr.exe 1 10 2->10         started        15 Lwnkboxd.PIF 6 2->15         started        17 Lwnkboxd.PIF 6 2->17         started        signatures3 process4 dnsIp5 70 drive.usercontent.google.com 142.250.181.97, 443, 49732 GOOGLEUS United States 10->70 72 drive.google.com 172.217.19.238, 443, 49730, 49731 GOOGLEUS United States 10->72 54 C:\Users\Public\Libraries\dxobknwL.pif, PE32 10->54 dropped 56 C:\Users\Public\Libraries\Lwnkboxd.PIF, PE32 10->56 dropped 58 C:\Users\Public\Lwnkboxd.url, MS 10->58 dropped 60 2 other malicious files 10->60 dropped 100 Writes to foreign memory regions 10->100 102 Allocates memory in foreign processes 10->102 104 Sample uses process hollowing technique 10->104 19 dxobknwL.pif 10->19         started        22 cmd.exe 1 10->22         started        106 Multi AV Scanner detection for dropped file 15->106 108 Sample is not signed and drops a device driver 15->108 110 Allocates many large memory junks 15->110 24 dxobknwL.pif 15->24         started        26 cmd.exe 15->26         started        28 cmd.exe 1 17->28         started        30 dxobknwL.pif 17->30         started        file6 signatures7 process8 signatures9 84 Detected unpacking (changes PE section rights) 19->84 86 Maps a DLL or memory area into another process 19->86 32 IzFuULsBXSkS.exe 19->32 injected 34 conhost.exe 22->34         started        36 IzFuULsBXSkS.exe 24->36 injected 39 conhost.exe 26->39         started        41 conhost.exe 28->41         started        process10 signatures11 43 proquota.exe 13 32->43         started        88 Maps a DLL or memory area into another process 36->88 90 Found direct / indirect Syscall (likely to bypass EDR) 36->90 46 proquota.exe 36->46         started        process12 signatures13 92 Tries to steal Mail credentials (via file / registry access) 43->92 94 Tries to harvest and steal browser information (history, passwords, etc) 43->94 96 Maps a DLL or memory area into another process 43->96 98 2 other signatures 43->98 48 IzFuULsBXSkS.exe 43->48 injected 52 firefox.exe 43->52         started        process14 dnsIp15 62 94950.bodis.com 199.59.243.227, 49756, 80 BODIS-NJUS United States 48->62 74 Found direct / indirect Syscall (likely to bypass EDR) 48->74 signatures16
Score:
92%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b55cf6b5ec66fdc4dbbecc4e2f7698549964ec234bd0b55d057527d59d91147d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b55cf6b5ec66fdc4dbbecc4e2f7698549964ec234bd0b55d057527d59d91147d/
Threat name:
Win32.Trojan.DBatLoader
Create hunting rule
Status:
Malicious
First seen:
2024-12-24 12:36:13 UTC
File Type:
PE (Exe)
Extracted files:
69
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wvopnnpmm364jw56zrhc65uyksmwj3bdjpilkxifout5lhmrcr6q._file
Verdict:
malicious
Label(s):
dbatloader
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader discovery persistence trojan
Link:
https://tria.ge/reports/241226-mxtcwstlgv/
Behaviour
Script User-Agent
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Executes dropped EXE
Loads dropped DLL
ModiLoader Second Stage
ModiLoader, DBatLoader
Modiloader family
Verdict:
Malicious
Tags:
Win.Trojan.Generickdz-9951971-0
YARA:
n/a
Link:
https://app.threat.zone/submission/a24601f4-50a1-45c9-ae44-f482d51a8b23
Unpacked files
SH256 hash:
199995db766adbfef9d2627d9c16cd6553106aefe49aec40884c06d5a7497239
MD5 hash:
384b039b1378a79fce8d816acc2992f7
SHA1 hash:
cc997cd4b502b68627a11612fe2ae2345fef3b90
Detections:
Typical_Malware_String_Transforms
Create hunting rule
Link:
https://www.unpac.me/results/0b0714dd-14be-491a-a99c-e10f5e112018/
SH256 hash:
b55cf6b5ec66fdc4dbbecc4e2f7698549964ec234bd0b55d057527d59d91147d
MD5 hash:
9e67c73f86b034d009280ab03db20124
SHA1 hash:
aba6a0de8e85cf5a84c0a158d3908189ecf29330
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/0b0714dd-14be-491a-a99c-e10f5e112018/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Borland
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe b55cf6b5ec66fdc4dbbecc4e2f7698549964ec234bd0b55d057527d59d91147d

(this sample)

  
Delivery method
Distributed via e-mail attachment

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::EmptyClipboard
user32.dll::FindWindowA
user32.dll::OpenClipboard
user32.dll::PeekMessageA

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