MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 adc63a8dd8e64fc60ccd38df1ddb5974957aadea1514b4e91c0dee3dcdbde94b. 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: | adc63a8dd8e64fc60ccd38df1ddb5974957aadea1514b4e91c0dee3dcdbde94b |
|---|---|
| SHA3-384 hash: | c59a632ab03eb3548b158abb6e1ac046b11ec858417758e6fb1e166edabb79d5fcaf0c0768786891d27f2c807b42f0f0 |
| SHA1 hash: | 2b0a8ab2f9715ae26402fc1cbc2c251e47e4d644 |
| MD5 hash: | a5f4e1b9b2673b80d143f7e04b028fee |
| humanhash: | johnny-sodium-white-bacon |
| File name: | svchost.exe |
| Download: | download sample |
| Signature | Simda |
| File size: | 342'528 bytes |
| First seen: | 2025-11-23 09:53:59 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 08be74ae800b79e75e5383d571792ca3 (1 x Simda) |
| ssdeep | 6144:Tj+5bzMSFSWBdrZEZJLzlNxxEYXtAEfahwm363Xh2HE+HSeIQQ+Z:T9SFNSZkEfebu2HEASe |
| Threatray | 67 similar samples on MalwareBazaar |
| TLSH | T149748F22E0409576E1F9163055FE3A6A21BD6E7803D829D337946F9C2D742F2B2392DF |
| 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 |  abuse_ch |
| Tags: | exe Simda upx-dec |
abuse_ch
UPX decompressed file, sourced from SHA256 67c3d6b36234a869d6d7c7fdd34b77bd139b9a0fdd3d7f536423ae4e10c38bd9UPX unpacked
This file is the unpacked version of a file that has been packed with UPX. Below is furhter information about the parent (compressed) file.
| File size (compressed) : | 134'144 bytes |
|---|---|
| File size (de-compressed) : | 342'528 bytes |
| Format: | win32/pe |
| Packed file: | 67c3d6b36234a869d6d7c7fdd34b77bd139b9a0fdd3d7f536423ae4e10c38bd9 |
Intelligence
File Origin
# of uploads :
1
# of downloads :
76
Origin country :
NLVendor 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
Moving of the original file
Enabling autorun
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug anti-vm banker base64 explorer keylogger lolbin microsoft_visual_cc packed rundll32 shifu shiz
Verdict:
Malicious
Labled as:
Fugrafa.Generic
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-12T03:04:00Z UTC
Last seen:
2025-11-12T03:40:00Z UTC
Hits:
~1000
Result
Threat name:
Simda Stealer
Detection:
malicious
Classification:
bank.troj.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Checks if browser processes are running
Contains functionality to behave differently if execute on a Russian/Kazak computer
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to infect the boot sector
Contains functionality to inject threads in other processes
Contains VNC / remote desktop functionality (version string found)
Creates an undocumented autostart registry key
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found evasive API chain (may stop execution after checking mutex)
Found evasive API chain (may stop execution after checking volume information)
Found evasive API chain checking for user administrative privileges
Found malware configuration
Found stalling execution ending in API Sleep call
Moves itself to temp directory
Multi AV Scanner detection for submitted file
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: System File Execution Location Anomaly
Yara detected Simda Stealer
Behaviour
Behavior Graph:
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
Gathering data
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
simda
Similar samples:
+ 57 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
10/10
Tags:
discovery persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Windows directory
Modifies WinLogon
Executes dropped EXE
Modifies WinLogon for persistence
Verdict:
Malicious
Tags:
stealer simda Win.Trojan.Simda-10002732-0
YARA:
MALWARE_Win_Simda
Unpacked files
SH256 hash:
adc63a8dd8e64fc60ccd38df1ddb5974957aadea1514b4e91c0dee3dcdbde94b
MD5 hash:
a5f4e1b9b2673b80d143f7e04b028fee
SHA1 hash:
2b0a8ab2f9715ae26402fc1cbc2c251e47e4d644
Detections:
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: | 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) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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