MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87e59a4758499e2544872d9ad64c561b1fc62290c4420fd9caca07f0e6e830aa. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 87e59a4758499e2544872d9ad64c561b1fc62290c4420fd9caca07f0e6e830aa
SHA3-384 hash: 2ead2b59f12fe3f0abe295668645aca48c0bd459c6d9c54ef7e496d91f3778d0f1ce44e75e48d908d4a929188973c576
SHA1 hash: c4d4d96374381d46051521ff82d3bf9bfb405c38
MD5 hash: a4c3a56e6258ea94065bf7151009d43c
humanhash: beryllium-oklahoma-eight-india
File name:Proforma invoice - Arancia NZ.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'207'808 bytes
First seen:2024-12-02 14:21:10 UTC
Last seen:2024-12-02 15:18:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:Lu6J33O0c+JY5UZ+XC0kGso6Fa58SiZoZuGbcA6VKdGmWY:lu0c++OCvkGs9Fa58HKu8cAZdmY
Threatray 2 similar samples on MalwareBazaar
TLSH T1D245CF2273DDC361CB669173BF6AB7016EBF3C614630B85B2F980D7DA950161162CBA3
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
411
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma invoice - Arancia NZ.exe
Verdict:
No threats detected
Analysis date:
2024-12-02 14:27:12 UTC
Tags:
autoit
Link:
https://app.any.run/tasks/fbd6bae2-f85d-4333-9f24-30e13fbe668a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.vh.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674dc3e704c232bff3b5f524
Tags:
autoit emotet
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit compiled-script fingerprint fingerprint keylogger lolbin masquerade microsoft_visual_cc netsh packed packed packer_detected wuauclt
Link:
https://www.filescan.io/uploads/674dc292b51bd641d807530c/reports/e27c9100-c445-4a69-9c42-34cc390ff2c0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/87e59a4758499e2544872d9ad64c561b1fc62290c4420fd9caca07f0e6e830aa
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/253ee068-a80c-4bf4-a9c9-8f5c8f4e4ffc
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1566688
Signature
AI detected suspicious sample
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
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1566688 Sample: Proforma invoice - Arancia NZ.exe Startdate: 02/12/2024 Architecture: WINDOWS Score: 100 28 www.optimismbank.xyz 2->28 30 www.jcsa.info 2->30 32 16 other IPs or domains 2->32 42 Suricata IDS alerts for network traffic 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected FormBook 2->46 50 5 other signatures 2->50 10 Proforma invoice - Arancia NZ.exe 2 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 nfGtWoQBhJSQ.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 waitfor.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 nfGtWoQBhJSQ.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 thaor56.online 202.92.5.23, 49751, 80 VNPT-AS-VNVNPTCorpVN Viet Nam 22->34 36 www.bankseedz.info 46.30.211.38, 49899, 49905, 49914 ONECOMDK Denmark 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/87e59a4758499e2544872d9ad64c561b1fc62290c4420fd9caca07f0e6e830aa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/87e59a4758499e2544872d9ad64c561b1fc62290c4420fd9caca07f0e6e830aa/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2024-12-02 06:47:47 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q7szur2yjgpckrehfwnnmtcwdmp4miuqyrba7wokzid7bzxigcva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unknown_loader_036
Create hunting rule
Similar samples:
86cfac3955af9eb6cc14f7fdcffaf83be9b9240f9a87240886227108d36a3f53
Formbook
87e59a4758499e2544872d9ad64c561b1fc62290c4420fd9caca07f0e6e830aa
Formbook
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/241202-rpjwpssqgn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/2922c2c6-49f0-416b-bff2-fdc367fb84f5
Unpacked files
SH256 hash:
258983d3cb8756b959f075bf1c188d9cb3247ebf1e19bd58c1832e3f0a739b6e
MD5 hash:
cedae33a7df2d5603b426224c9fc054d
SHA1 hash:
ea97e2fcdca8e65a2ebfb5f93ced5c37bc82e201
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/5807fcbb-b5a2-4fe6-93ee-94b574ed8474/
Parent samples :
0383269c133cc3a71a10d4c55ba116a11b24a38223703d79522b397d782a72e2
87e59a4758499e2544872d9ad64c561b1fc62290c4420fd9caca07f0e6e830aa
2904518b9ed9f4e25dbc7994beb42064d53fc871fd410aa9b76da3a20ab53ef4
SH256 hash:
8fe7376b08710100fb3cba9ef949000b7787c636ca1a762d085d17a9147e44dc
MD5 hash:
1547b96162d918d62aae09685aab2797
SHA1 hash:
809ba4798136a324164f005ce7d592bf3e5a22d2
Link:
https://www.unpac.me/results/5807fcbb-b5a2-4fe6-93ee-94b574ed8474/
SH256 hash:
87e59a4758499e2544872d9ad64c561b1fc62290c4420fd9caca07f0e6e830aa
MD5 hash:
a4c3a56e6258ea94065bf7151009d43c
SHA1 hash:
c4d4d96374381d46051521ff82d3bf9bfb405c38
Link:
https://www.unpac.me/results/5807fcbb-b5a2-4fe6-93ee-94b574ed8474/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/87e59a475849/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/87e59a4758499e2544872d9ad64c561b1fc62290c4420fd9caca07f0e6e830aa

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:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
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 87e59a4758499e2544872d9ad64c561b1fc62290c4420fd9caca07f0e6e830aa

(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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