MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f4833583a9715151529fa6d6ffd60edb397f28b408ceafce05c7cc69e1a03601. 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
Threat unknown
Vendor detections: 13
| SHA256 hash: | f4833583a9715151529fa6d6ffd60edb397f28b408ceafce05c7cc69e1a03601 |
|---|---|
| SHA3-384 hash: | 4a88e44645216cfdfe7b895e8d58f0df4ac026db9f3c88dfd3fe23bac94441a1287a7ab9fe0e7a106e1bd372441bc311 |
| SHA1 hash: | 93979cfb3bfbeb9aec934b1094812a17331376ee |
| MD5 hash: | f919c0bf509a6b8fd986550a46026b38 |
| humanhash: | bluebird-failed-louisiana-bakerloo |
| File name: | svchost.exe |
| Download: | download sample |
| File size: | 941'568 bytes |
| First seen: | 2025-11-23 09:32:31 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | aca35d13adb97d2c480a39887a5f629a |
| ssdeep | 24576:JrE5OpP1m5SSiVw6uAX8DS52tpz9ZRzbPmSZyo:JrE5OG5SW6H8DS52tdDpbRZy |
| Threatray | 271 similar samples on MalwareBazaar |
| TLSH | T1E51501F08BF078A6E1082173B5A4B27C77CA9D0DCC145936EAABF54A74319C260F6D1B |
| TrID | 52.9% (.EXE) Win32 Executable (generic) (4504/4/1) 23.5% (.EXE) Generic Win/DOS Executable (2002/3) 23.5% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| Reporter |  Hexastrike |
| Tags: | exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
69
Origin country :
IEVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
svchost.exe
Verdict:
Malicious activity
Analysis date:
2025-11-23 22:25:56 UTC
Tags:
m0yv autohotkey ahk loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Modifying a system executable file
Searching for the window
Launching a service
Creating a window
Launching a process
Searching for synchronization primitives
Loading a system driver
DNS request
Connection attempt
Connection attempt to an infection source
Creating a file in the system32 subdirectories
Setting a keyboard event handler
Modifying an executable file
Modifying a system file
Creating a file in the Windows subdirectories
Creating a file
Enabling autorun for a service
Query of malicious DNS domain
Infecting executable files
Sending an HTTP POST request to an infection source
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context installer-heuristic mpress obfuscated overlay packed packed packed protection_plus_wrapper
Verdict:
Malicious
Labled as:
Expiro.Generic
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-22T02:01:00Z UTC
Last seen:
2025-11-22T02:25:00Z UTC
Hits:
~10
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Virus.Expiro
Status:
Malicious
First seen:
2025-11-21 16:40:18 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
30 of 36 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
expiro
Similar samples:
+ 261 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery ransomware spyware stealer
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Enumerates connected drives
Executes dropped EXE
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
Expiro
YARA:
n/a
Unpacked files
SH256 hash:
f4833583a9715151529fa6d6ffd60edb397f28b408ceafce05c7cc69e1a03601
MD5 hash:
f919c0bf509a6b8fd986550a46026b38
SHA1 hash:
93979cfb3bfbeb9aec934b1094812a17331376ee
SH256 hash:
344500ba9967579ed83509f8e0966a5a61510ba8bf6a94d346c9e8acd0c24f91
MD5 hash:
3d60e87b9b441b6c82552ec4380cbd8f
SHA1 hash:
32d353dee115c4a08e5de2466ee59d3df65478a9
Detections:
INDICATOR_EXE_Packed_MPress
SH256 hash:
fe039e8b2b4990ea85ffdda136fc4e236ee6f6d3c371dd28bc89943ffe524f30
MD5 hash:
9c5385501fa30fb70f04b845a17d2e1b
SHA1 hash:
c4fb652f70a01e70e148aa20378bdee64e75e724
SH256 hash:
abdd6f31a909b0b10e30ced74a1f6f037adf1f61a8a842048dbc254d6f076169
MD5 hash:
c33a7f0e25bb3f4d3c19fc8441e9d12b
SHA1 hash:
0286b277e97b9f7c217a0d029e8144f8e20b40b9
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Expiro
Score:
1.00
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: | INDICATOR_EXE_Packed_MPress |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables built or packed with MPress PE compressor |
| Rule name: | TeslaCryptPackedMalware |
|---|
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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