MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 083fc2ea9f2b02e681db72d8a50d5569d236874ef7687dde295c270dae5e60e1. 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

Expiro

Vendor detections: 15

Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash:	083fc2ea9f2b02e681db72d8a50d5569d236874ef7687dde295c270dae5e60e1
SHA3-384 hash:	46991b23ae4f85526ae62c140c316a8720181970fd19f6569bb00ad7ed01cc7a9be8ba5e4426926cc84dfb28a6c82271
SHA1 hash:	b37d13f9233b4c4e7f682f8579a8e7ec71a616f3
MD5 hash:	bedf775fd2495647fd21675c063ed49e
humanhash:	freddie-indigo-bakerloo-cup
File name:	AdobeARMHelper.exe.bin
Download:	download sample
Signature	Expiro Create hunting rule
File size:	1'485'824 bytes
First seen:	2025-01-30 12:13:33 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	481dfec080ea1b845561b0861ed6d245 (1 x Expiro)
ssdeep	24576:aAMuR+3kMDtjhbsqjnhMgeiCl7G0nehbGZpbD:3D+lDtjhPDmg27RnWGj
TLSH	T1CA65E0017790DF31E66F05368A69D6B85A6F7C208F248BC723953E6DBE306C19A35B13
TrID	40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
File icon (PE):
dhash icon	4d91d3f3d9cc750b (1 x RemcosRAT, 1 x Expiro)
Reporter	JAMESWT_WT
Tags:	exe Expiro NEOFX Spam-ITA

Intelligence

File Origin

# of uploads :

# of downloads :

492

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

BONIFICI CONFIRMATIONS.GZ

Verdict:

Malicious activity

Analysis date:

2025-01-30 12:03:37 UTC

Tags:

delphi auto generic m0yv sinkhole snake keylogger evasion stealer smtp netreactor

Link:

https://app.any.run/tasks/3f98f538-c0a9-4d58-ba31-a843c2d53d35

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.Win32.Expiro-1.UNOFFICIAL

SecuriteInfo.com.Win32.Expiro-2.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=679b6ec929ae628cf42b9cb9

Tags:

expiro virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a file in the Windows subdirectories

Сreating synchronization primitives

Launching a process

Creating a file in the %temp% directory

Launching a service

Creating a window

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context crypto explorer keylogger lolbin masquerade microsoft_visual_cc

Link:

https://www.filescan.io/uploads/679b6d324587880099ba16ea/reports/ff86de34-75d7-47c0-947d-1bb5b28fb164/overview

Verdict:

Malicious

Labled as:

Expiro.Generic

Link:

https://www.hybrid-analysis.com/sample/083fc2ea9f2b02e681db72d8a50d5569d236874ef7687dde295c270dae5e60e1

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:

Expiro

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/87f0a5a8-1133-4976-a810-d55e619026e5

Result

Threat name:

n/a

Detection:

malicious

Classification:

n/a

Score:

64 / 100

Link:

https://www.joesandbox.com/analysis/1603004

Signature

Antivirus / Scanner detection for submitted sample

Joe Sandbox ML detected suspicious sample

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/083fc2ea9f2b02e681db72d8a50d5569d236874ef7687dde295c270dae5e60e1

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/083fc2ea9f2b02e681db72d8a50d5569d236874ef7687dde295c270dae5e60e1/

Threat name:

Win32.Virus.Expiro

Status:

Malicious

First seen:

2025-01-30 12:09:00 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ba74f2u7fmbonao3olmkkdkvnhjdnb2o65uh3xrjlqtq3ls6mdqq._file

Verdict:

malicious

Label(s):

expiro

Similar samples:

error

Expiro

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery

Link:

https://tria.ge/reports/250130-pebq8s1jbt/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Drops file in Program Files directory

Drops file in System32 directory

Checks computer location settings

Verdict:

Malicious

Tags:

trojan expiro

YARA:

Windows_Virus_Expiro_84e99ff0

Link:

https://app.threat.zone/submission/4e0334f5-a5ef-47e5-8c80-a9080f2166ad

Unpacked files

SH256 hash:

abdd6f31a909b0b10e30ced74a1f6f037adf1f61a8a842048dbc254d6f076169

MD5 hash:

c33a7f0e25bb3f4d3c19fc8441e9d12b

SHA1 hash:

0286b277e97b9f7c217a0d029e8144f8e20b40b9

Link:

https://www.unpac.me/results/bcbb8acc-4fca-47dc-8471-688bdb4d01e8/

SH256 hash:

ecdd57ece3953eef4687dd7191f7fcd3c01dfbcd1859493dcd1ff0255037ed01

MD5 hash:

d8cd61b34742d9b859e061818ec198ba

SHA1 hash:

5b7f86e9b89221b07f4fd929b2c9adbc5a3073f2

Link:

https://www.unpac.me/results/bcbb8acc-4fca-47dc-8471-688bdb4d01e8/

SH256 hash:

083fc2ea9f2b02e681db72d8a50d5569d236874ef7687dde295c270dae5e60e1

MD5 hash:

bedf775fd2495647fd21675c063ed49e

SHA1 hash:

b37d13f9233b4c4e7f682f8579a8e7ec71a616f3

Link:

https://www.unpac.me/results/bcbb8acc-4fca-47dc-8471-688bdb4d01e8/

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/083fc2ea9f2b02e681db72d8a50d5569d236874ef7687dde295c270dae5e60e1

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:	Check_OutputDebugStringA_iat Create hunting rule

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_detect_tls_callbacks Create hunting rule

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)

Rule name:	Windows_Virus_Expiro_84e99ff0 Create hunting rule
Author:	Elastic Security

File information

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

No further information available

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high
CHECK_TRUST_INFO	Requires Elevated Execution (level:requireAdministrator)	high

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW ADVAPI32.dll::CopySid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetSidLengthRequired ADVAPI32.dll::GetSidSubAuthority ADVAPI32.dll::GetSidSubAuthorityCount
COM_BASE_API	Can Download & Execute components	ole32.dll::CoCreateInstance
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::CheckTokenMembership ADVAPI32.dll::DuplicateToken ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetTokenInformation
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteW
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeW KERNEL32.dll::GetVolumeInformationW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileW SHELL32.dll::SHCreateDirectoryExW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW KERNEL32.dll::GetWindowsDirectoryW
WIN_BASE_USER_API	Retrieves Account Information	ADVAPI32.dll::LookupAccountSidW
WIN_CRYPT_API	Uses Windows Crypt API	CRYPT32.dll::CertFindCertificateInStore CRYPT32.dll::CertFreeCertificateContext CRYPT32.dll::CryptDecodeObject
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegCreateKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_TRUST_API	Uses Windows Trust API	WINTRUST.dll::WinVerifyTrust
WIN_USER_API	Performs GUI Actions	USER32.dll::PeekMessageW USER32.dll::CreateWindowExW

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