MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bd7a73b5f4773281f8c7d2d97c09384d6f11d0703e38213eff96d01b2a88c45f. 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
Simda
Vendor detections: 13
| SHA256 hash: | bd7a73b5f4773281f8c7d2d97c09384d6f11d0703e38213eff96d01b2a88c45f |
|---|---|
| SHA3-384 hash: | 75fca09f63d04280eb64f4bca56e905b662855e593866425c393a7f6290aea6f5e95db1fd87116d2a7670259530e854a |
| SHA1 hash: | 874541679605c40b9b3625c19903f9ce5d93a29f |
| MD5 hash: | ddc0ca2c163a11810d6af2112cff34ad |
| humanhash: | delaware-don-sink-nine |
| File name: | svchost.exe |
| Download: | download sample |
| Signature | Simda |
| File size: | 366'080 bytes |
| First seen: | 2025-11-23 09:29:22 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61e0c59abaaf63342f8dbf1c1d5cdc47 (5 x Simda) |
| ssdeep | 6144:uVycmWhxR1arY/PbgmFOabPIIBhJXAv7eTY9suz0xhttGSrDKE3KIQvSka8bj:uhmWTR1arYnEKosuzY34CZ3DQvSkN |
| Threatray | 42 similar samples on MalwareBazaar |
| TLSH | T11E749D61F185C176E0F116B096FF7A5B106D6965471C38E3EB98BEC929740F23A3C28B |
| TrID | 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 12.7% (.EXE) Win64 Executable (generic) (10522/11/4) 7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.1% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Magika | pebin |
| Reporter |  Hexastrike |
| Tags: | exe Simda |
Intelligence
File Origin
# of uploads :
1
# of downloads :
16
Origin country :
IEVendor Threat Intelligence
Detection:
Simda
Gathering data
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the Windows subdirectories
Searching for synchronization primitives
Сreating synchronization primitives
Creating a process from a recently created file
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file
Sending a custom TCP request
Searching for the anti-virus window
Moving of the original file
Query of malicious DNS domain
Enabling autorun
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm banker base64 evasive explorer keylogger lolbin microsoft_visual_cc packed rundll32 shifu shiz
Verdict:
Malicious
Labled as:
Backdoor.Simda
Result
Gathering data
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Backdoor.Simda
Status:
Malicious
First seen:
2025-11-22 02:11:24 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
33 of 36 (91.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
simda
Similar samples:
+ 32 additional samples on MalwareBazaar
Result
Malware family:
simda
Score:
10/10
Tags:
family:simda discovery persistence stealer trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Modifies WinLogon
Executes dropped EXE
Simda family
simda
Verdict:
Malicious
Tags:
stealer simda Win.Trojan.Shiz-9949267-0
YARA:
MALWARE_Win_Simda win_simda_auto
Unpacked files
SH256 hash:
bd7a73b5f4773281f8c7d2d97c09384d6f11d0703e38213eff96d01b2a88c45f
MD5 hash:
ddc0ca2c163a11810d6af2112cff34ad
SHA1 hash:
874541679605c40b9b3625c19903f9ce5d93a29f
Detections:
win_simda_auto
win_simda_g1
win_simda_g0
Simda
Malware family:
Shifu
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | MALWARE_Win_Simda |
|---|---|
| Author: | ditekShen |
| Description: | Detects Simda / Shifu infostealer |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | Windows_Trojan_Zeus_e51c60d7 |
|---|---|
| Author: | Elastic Security |
| Description: | Detects strings used in Zeus web injects. Many other malware families are built on Zeus and may hit on this signature. |
| Reference: | https://www.virusbulletin.com/virusbulletin/2014/10/paper-evolution-webinjects |
| Rule name: | win_simda_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.simda. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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