MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b532f5591dbf9b76ac403c3aef239f1c2c3be8d4d20d004bf043027c5955b427. 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: 9
| SHA256 hash: | b532f5591dbf9b76ac403c3aef239f1c2c3be8d4d20d004bf043027c5955b427 |
|---|---|
| SHA3-384 hash: | 954e15cdf08f780328a0e9a65154171322e4fe7d7bf6e6d3cada280ad4318b83d139d4213157d09dff97ee93a635d19e |
| SHA1 hash: | eaf4b290b0e4e800db98eea045df3e3323aad5d1 |
| MD5 hash: | 49899a353daf08a47c97a23d7e3075e7 |
| humanhash: | indigo-orange-salami-gee |
| File name: | svchost.exe |
| Download: | download sample |
| Signature | Simda |
| File size: | 1'192'863 bytes |
| First seen: | 2025-11-23 09:28:53 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ee98eef4340fdc659d6537f8155633ef (4 x Simda, 1 x Shiz) |
| ssdeep | 24576:+YhBVnFys7wuVW2r/ku73hUSkwgOglRQq/0cYRYhBfYP1iKCoVv27:+YhQs7tW2zku73bFgVlRlbN015CoVv27 |
| TLSH | T18E45332927923E8CFFB99FB9830D5E105DA413C95F6EF811BA996C5253921C3F876230 |
| TrID | 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.5% (.EXE) Win32 Executable (generic) (4504/4/1) 8.4% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| Reporter |  Hexastrike |
| Tags: | exe Simda UPX |
UPX packed
This file is packed with UPX. We have therefore unpacked the file. Below is furhter information about the unpacked (de-compressed) file.
| File size (compressed) : | 1'192'863 bytes |
|---|---|
| File size (de-compressed) : | 1'244'063 bytes |
| Format: | win32/pe |
| Unpacked file: | 370775892c0eb965ff4015073539516aa9598aeadd35042cc733d53a9229afea |
Intelligence
File Origin
# of uploads :
1
# of downloads :
20
Origin country :
IEVendor Threat Intelligence
Detection:
n/a
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Creating a file in the Windows directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Launching a process
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun with the shell\open\command registry branches
Enabling autorun
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
crypt fingerprint overlay overlay packed packed packed packed upx
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Result
Gathering data
Score:
92%
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.Trojan.Malex
Status:
Malicious
First seen:
2025-11-22 09:12:23 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
34 of 36 (94.44%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
8/10
Tags:
discovery persistence upx
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
UPX packed file
Adds Run key to start application
Executes dropped EXE
Modifies system executable filetype association
Boot or Logon Autostart Execution: Active Setup
Verdict:
Malicious
Tags:
Win.Trojan.Ulise-10005646-0
YARA:
n/a
Unpacked files
SH256 hash:
b532f5591dbf9b76ac403c3aef239f1c2c3be8d4d20d004bf043027c5955b427
MD5 hash:
49899a353daf08a47c97a23d7e3075e7
SHA1 hash:
eaf4b290b0e4e800db98eea045df3e3323aad5d1
SH256 hash:
370775892c0eb965ff4015073539516aa9598aeadd35042cc733d53a9229afea
MD5 hash:
d24854a21bd171b9897c968b00b5da6a
SHA1 hash:
46b8d162cb0faa4dd12c71bd9758487eecf462c4
SH256 hash:
3d2c5390eae99ff050c883eb8fc016effa71a2a05e3044fc6f766f4e5b7b2a1a
MD5 hash:
aeb7ca1c72fe15979eb21805327e54a4
SHA1 hash:
a0ea3de50606d427c222c9fc02878e905212f943
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: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | UPX290LZMAMarkusOberhumerLaszloMolnarJohnReiser |
|---|---|
| Author: | malware-lu |
| Rule name: | UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser |
|---|---|
| Author: | malware-lu |
| Rule name: | UPXv20MarkusLaszloReiser |
|---|---|
| Author: | malware-lu |
| Rule name: | upx_largefile |
|---|---|
| Author: | k3nr9 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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