MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1a485dad989a9f945ae6f4d98081e9e697fbfb65e25f511ea1a22d5ed647113. 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: b1a485dad989a9f945ae6f4d98081e9e697fbfb65e25f511ea1a22d5ed647113
SHA3-384 hash: 346cd941c78057f40405d780deb29df22b5d1c9e3fdc4c95c531087ffb537fe2898424933e8e5659b3eeaa0651b9d5e9
SHA1 hash: 11818a45b3ceb9171a88895b9fa4c7fdb02b6389
MD5 hash: 1b1d14cf5a21e26357c50c2ba903260c
humanhash: florida-tango-magnesium-vermont
File name:DHL Arrival Notice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'219'584 bytes
First seen:2024-07-01 03:17:03 UTC
Last seen:2024-07-01 04:21:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:GAHnh+eWsN3skA4RV1Hom2KXMmHanlOpCcpYo5WNdOq5:hh+ZkldoPK8YanspHYo0jr
TLSH T18145BE0273D2C036FFAB92739B6AB24556BD79254133852F13981DB9BD701B2223E763
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
364
Origin country :
CH CH
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.AutoIt.1410.32446.9264.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=668220024aef5fb03e2ec044win10vpnfull_triage
Tags:
Network Stealth Redcap
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit epmicrosoft_visual_cc fingerprint keylogger lolbin masquerade microsoft_visual_cc packed redcap shell32
Link:
https://www.filescan.io/uploads/66821fea0bf5978c0b13ce30/reports/de841f40-e7d7-4ec4-9c0f-3168760787f8/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/b1a485dad989a9f945ae6f4d98081e9e697fbfb65e25f511ea1a22d5ed647113
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:
Malicious
Link:
https://analyze.intezer.com/analyses/ab08ba88-af74-4109-9ca7-57def6578436
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1465003
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
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)
Snort IDS alert 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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1465003 Sample: DHL Arrival Notice.exe Startdate: 01/07/2024 Architecture: WINDOWS Score: 100 28 www.adoby.xyz 2->28 30 www.wepayassessments.com 2->30 32 19 other IPs or domains 2->32 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 50 8 other signatures 2->50 10 DHL Arrival Notice.exe 4 2->10         started        signatures3 48 Performs DNS queries to domains with low reputation 28->48 process4 signatures5 62 Binary is likely a compiled AutoIt script file 10->62 64 Writes to foreign memory regions 10->64 66 Maps a DLL or memory area into another process 10->66 13 svchost.exe 10->13         started        process6 signatures7 68 Maps a DLL or memory area into another process 13->68 16 uGWjEUqjHXM.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 PresentationHost.exe 13 16->19         started        process10 signatures11 52 Tries to steal Mail credentials (via file / registry access) 19->52 54 Tries to harvest and steal browser information (history, passwords, etc) 19->54 56 Modifies the context of a thread in another process (thread injection) 19->56 58 3 other signatures 19->58 22 uGWjEUqjHXM.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 www.0araba.net 46.30.211.38, 49775, 49776, 49777 ONECOMDK Denmark 22->34 36 www.csaesoudures.com 188.130.25.102, 49783, 49784, 80 EURO-WEB-ASFR France 22->36 38 11 other IPs or domains 22->38 60 Found direct / indirect Syscall (likely to bypass EDR) 22->60 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b1a485dad989a9f945ae6f4d98081e9e697fbfb65e25f511ea1a22d5ed647113
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1a485dad989a9f945ae6f4d98081e9e697fbfb65e25f511ea1a22d5ed647113/
Threat name:
Win32.Trojan.Strab
Create hunting rule
Status:
Malicious
First seen:
2024-06-30 23:58:45 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wgsilwwzrgu7srnon5gzqca6tzux7p5wlys7kepkdirnl3leoejq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240701-dtln7svbqb/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/868e9bc2-280d-4ed7-b0c3-887769be18b2
Unpacked files
SH256 hash:
b2735e996ae9ee95c32615fe7def4705987a7f5091176ea053ef879150317a8c
MD5 hash:
1684e88c2345a119a5a700eefadd8828
SHA1 hash:
4df677b906f337c565f4a5b4331e8399516ca508
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/90e078d3-05d2-4d20-a880-228f7df4cc64/
Parent samples :
b1a485dad989a9f945ae6f4d98081e9e697fbfb65e25f511ea1a22d5ed647113
b96c94f2fb7072f885b94cbbf77e849b608df0b60b99819b4a0aeaf8761d3b47
6be3d2aba5d4ae48d24eb0fee3a63eca888be4a2b34648b83e78411984c9d1a6
103f4d06040d2969d8bab013101432b632b6c472263c10b214a1c235d2c24901
SH256 hash:
d6ef8c673e5954775b21db6ec92dd54ed41793bfbd86549a655fabca105759c4
MD5 hash:
8558510a90f6e38596f624fdd948650d
SHA1 hash:
b5e5d70ce21663a90d776bfe39866b6735ca3422
Link:
https://www.unpac.me/results/90e078d3-05d2-4d20-a880-228f7df4cc64/
SH256 hash:
50dc8ad7fc54ecada888adb746a133a7dd3f431678b774f877d79bcce13dc058
MD5 hash:
d99606300eea18c23923a3c1f0c37510
SHA1 hash:
f3ad63bfa2d8b5b1608cf6a52948d05f777b0de6
Link:
https://www.unpac.me/results/90e078d3-05d2-4d20-a880-228f7df4cc64/
SH256 hash:
e3f5f2cbf40f2ff85ac54e4859802b65a972b1a100bb200cce61f16ec1c820c2
MD5 hash:
775771372ebb17257492dd932ae0ceb2
SHA1 hash:
d4fe663e9d027c305210ff6bdb4d1089c4105792
Link:
https://www.unpac.me/results/90e078d3-05d2-4d20-a880-228f7df4cc64/
SH256 hash:
085e4d2361fc57947ed712eae091c73194574cb1ff2f59903809d08454727ba6
MD5 hash:
2139b80fd5f44d9914d9f708b45310fe
SHA1 hash:
cedff309fd51f5e0b2afb00379252ef6332a2b8c
Link:
https://www.unpac.me/results/90e078d3-05d2-4d20-a880-228f7df4cc64/
SH256 hash:
5b048ffb8704e96db4b79259506cbbce5da3181d01fd7b6b21781314265b24e2
MD5 hash:
9fdabfb6c64c682016fc374bb75e26bd
SHA1 hash:
c5b4d6a8493cd6dc8cbd436f0052f46f533d53f7
Link:
https://www.unpac.me/results/90e078d3-05d2-4d20-a880-228f7df4cc64/
SH256 hash:
bae17a28a4451c87268424443d83f42e557a55533f19325042cd59d28271cb7a
MD5 hash:
0bf0e989d30da976ed2e1dc79d35e26b
SHA1 hash:
aef9499138537f4e20ec64ebc530c7bc8414cf50
Link:
https://www.unpac.me/results/90e078d3-05d2-4d20-a880-228f7df4cc64/
SH256 hash:
0bbed5e616285d4e6994f93bb3f8f449dd35d2dc22b6fe1bac8776f81b6f0c47
MD5 hash:
172c4ced8c861775f7dd9adf70374ec8
SHA1 hash:
984d449b6282abcdfcc6b65106b889590391ae39
Link:
https://www.unpac.me/results/90e078d3-05d2-4d20-a880-228f7df4cc64/
SH256 hash:
b1a485dad989a9f945ae6f4d98081e9e697fbfb65e25f511ea1a22d5ed647113
MD5 hash:
1b1d14cf5a21e26357c50c2ba903260c
SHA1 hash:
11818a45b3ceb9171a88895b9fa4c7fdb02b6389
Detections:
AutoIT_Compiled
Create hunting rule
SUSP_Imphash_Mar23_3
Create hunting rule
Link:
https://www.unpac.me/results/90e078d3-05d2-4d20-a880-228f7df4cc64/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b1a485dad989/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/b1a485dad989a9f945ae6f4d98081e9e697fbfb65e25f511ea1a22d5ed647113

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
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:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach
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.

Malspam

Formbook

Executable exe b1a485dad989a9f945ae6f4d98081e9e697fbfb65e25f511ea1a22d5ed647113

(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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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