MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91e26a1d45caaa698ef2e46e4630f3a153bac0e86df427db96a5ab94f9419fd0. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91e26a1d45caaa698ef2e46e4630f3a153bac0e86df427db96a5ab94f9419fd0
SHA3-384 hash: 9b44fb914e9d001fbc8cfbaf7c7eeb13bbb72074f0c71c511b5b3a0aed146e32316ea9f5e6b0f9c81fb61aaacb48b791
SHA1 hash: a69c5fffd403f951030b19791e875be09eefec6f
MD5 hash: 8578c6170e697bf1bdb0f7c173afef09
humanhash: fix-spring-one-xray
File name:rUrgentquotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'198'592 bytes
First seen:2025-04-21 03:00:12 UTC
Last seen:2025-04-22 06:09:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:Eu6J33O0c+JY5UZ+XC0kGso6Fa3DsZ65aOznJT8ZT4G5vZOoWY:+u0c++OCvkGs9Fa32FOznGqG5vSY
TLSH T18745BF2273DDC360CB669173BF2AB7016EBF7C614630B85B2F980D7DA950161262D7A3
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
502
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rUrgentquotation.exe
Verdict:
Malicious activity
Analysis date:
2025-04-21 03:01:00 UTC
Tags:
auto-startup
Link:
https://app.any.run/tasks/67ac4d2e-a2e2-4fb9-ae8f-00dc12a7a3b2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/3192/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.vh.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6805b5f1280f5f89a0d29bd2
Tags:
autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Trojan.Autoit
Link:
https://www.hybrid-analysis.com/sample/91e26a1d45caaa698ef2e46e4630f3a153bac0e86df427db96a5ab94f9419fd0
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0d1a8d60-1481-4f7e-906b-c28a32a59ae3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1670084
Signature
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
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 dropped file
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: Drops script at startup location
Sigma detected: WScript or CScript Dropper
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1670084 Sample: rUrgentquotation.exe Startdate: 21/04/2025 Architecture: WINDOWS Score: 100 44 www.whalenavi.xyz 2->44 46 www.factio.xyz 2->46 48 15 other IPs or domains 2->48 68 Multi AV Scanner detection for submitted file 2->68 70 Yara detected FormBook 2->70 72 Sigma detected: Drops script at startup location 2->72 76 4 other signatures 2->76 11 rUrgentquotation.exe 4 2->11         started        15 wscript.exe 1 2->15         started        signatures3 74 Performs DNS queries to domains with low reputation 46->74 process4 file5 42 C:\Users\user\AppData\Local\...\retrofit.exe, PE32 11->42 dropped 82 Binary is likely a compiled AutoIt script file 11->82 17 retrofit.exe 2 11->17         started        84 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->84 21 retrofit.exe 1 15->21         started        signatures6 process7 file8 40 C:\Users\user\AppData\...\retrofit.vbs, data 17->40 dropped 56 Multi AV Scanner detection for dropped file 17->56 58 Binary is likely a compiled AutoIt script file 17->58 60 Drops VBS files to the startup folder 17->60 62 Switches to a custom stack to bypass stack traces 17->62 23 svchost.exe 17->23         started        64 Writes to foreign memory regions 21->64 66 Maps a DLL or memory area into another process 21->66 26 svchost.exe 21->26         started        signatures9 process10 signatures11 80 Maps a DLL or memory area into another process 23->80 28 Zn4m53PTc8GdmvqGbnxRb.exe 23->28 injected process12 signatures13 86 Found direct / indirect Syscall (likely to bypass EDR) 28->86 31 MuiUnattend.exe 13 28->31         started        process14 signatures15 88 Tries to steal Mail credentials (via file / registry access) 31->88 90 Tries to harvest and steal browser information (history, passwords, etc) 31->90 92 Modifies the context of a thread in another process (thread injection) 31->92 94 3 other signatures 31->94 34 Zn4m53PTc8GdmvqGbnxRb.exe 31->34 injected 38 firefox.exe 31->38         started        process16 dnsIp17 50 www.factio.xyz 13.248.169.48, 49724, 49729, 49730 AMAZON-02US United States 34->50 52 www.minttide.website 63.250.47.57, 49745, 49746, 49747 NAMECHEAP-NETUS United States 34->52 54 8 other IPs or domains 34->54 78 Found direct / indirect Syscall (likely to bypass EDR) 34->78 signatures18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/91e26a1d45caaa698ef2e46e4630f3a153bac0e86df427db96a5ab94f9419fd0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91e26a1d45caaa698ef2e46e4630f3a153bac0e86df427db96a5ab94f9419fd0/
Threat name:
Win32.Trojan.AZORult
Create hunting rule
Status:
Malicious
First seen:
2025-04-21 02:12:43 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=shrguhkfzkvgtdxs4rxemmhtufj3vqhinx2cpw4wuwvzj6kbt7ia._file
Verdict:
malicious
Label(s):
unc_loader_036
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/250421-dhfntasqw7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Verdict:
Suspicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/660fce31-4a70-4438-990e-6b6843ce04ef
Unpacked files
SH256 hash:
91e26a1d45caaa698ef2e46e4630f3a153bac0e86df427db96a5ab94f9419fd0
MD5 hash:
8578c6170e697bf1bdb0f7c173afef09
SHA1 hash:
a69c5fffd403f951030b19791e875be09eefec6f
Link:
https://www.unpac.me/results/6f6fcb8c-5c77-4049-b456-61b96922da8c/
SH256 hash:
1cf44777b603ff20d89adca8191275a502f883244535d797fb28419fe66eb9d7
MD5 hash:
a9f4601f2f104608c67f1079c9c82967
SHA1 hash:
30dbfa8697d84a53dc65f3222b81da1e11e3943b
Link:
https://www.unpac.me/results/6f6fcb8c-5c77-4049-b456-61b96922da8c/
SH256 hash:
16b227cd8c85b50699cfece3cbcebfa4660f88b589466952a13b25f9972be9e7
MD5 hash:
7b93edd23a2f3291e2c1883c7324fc25
SHA1 hash:
9bec1927735d5208800b975bd37096ffa8cbbbba
Link:
https://www.unpac.me/results/6f6fcb8c-5c77-4049-b456-61b96922da8c/
SH256 hash:
c64fbd58754b246d41bb74bf715ba2e57dc4d24211e7edb3bd41d81fc94233d1
MD5 hash:
4941ed5e37d03d1f8a14b3a368595a93
SHA1 hash:
489fedbfa4d4e6b33318e39be918f3db26f05845
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/6f6fcb8c-5c77-4049-b456-61b96922da8c/
Parent samples :
91e26a1d45caaa698ef2e46e4630f3a153bac0e86df427db96a5ab94f9419fd0
2d620312a4b56a0a28d12d74ada4e9766c719710cabf9d6be65fd46fbdc96c32
ac66a28772221ee58b130e32de8e2e14fb37c4f470eb873b49ab9a9879bdcaa2
c2e348ea77e711bd73d3d09f498c821a87f1def6c657eb84b885db30ebb9309a
22d5d86fdbaf20732ea8df5293e71795a0ca1ae7c1edb31fc4ccae6735e9bf2a
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/91e26a1d45ca/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/91e26a1d45caaa698ef2e46e4630f3a153bac0e86df427db96a5ab94f9419fd0

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

Formbook

Executable exe 91e26a1d45caaa698ef2e46e4630f3a153bac0e86df427db96a5ab94f9419fd0

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/3192/

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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