MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f77ccd01991f00d8222b4d40b0ee22144478787476146d9d3fc14645bf007480. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: f77ccd01991f00d8222b4d40b0ee22144478787476146d9d3fc14645bf007480
SHA3-384 hash: ef3b23aba2653174423b969d81811213c816b7dc42702e23feb5f33c58d6162b278ac48c27f9fd1fd073cb3eaf62df46
SHA1 hash: fd005c400dece231b8ee7ffed7bf60fa5fc4250f
MD5 hash: d1311c5aaab2e48fb19272642721092e
humanhash: bluebird-juliet-ohio-queen
File name:svchost.exe
Download: download sample
Signature Simda
File size:346'624 bytes
First seen:2025-11-23 09:32:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 846a8dcbd0f5c9ffbf7cfa1fb2e5b31e (7 x Simda)
ssdeep 6144:R9VlVACGmxRoyt1SZq1Q9A9ty5bhJcrs0MurPw/c4hd/B/coyXT3nOGX6T:hlVP1FtEZv9qyFhJy56d/eoyXjn9W
Threatray 89 similar samples on MalwareBazaar
TLSH T1DB7423FD772A8B66F57A47736E43C31FA02EF3A41A84E151F69548623C707A33199382
TrID 52.7% (.EXE) UPX compressed Win32 Executable (27066/9/6)
12.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
9.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.EXE) Win32 Executable (generic) (4504/4/1)
4.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter Hexastrike
Tags:exe Simda

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
Origin country :
IE IE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
svchost.exe
Verdict:
No threats detected
Analysis date:
2025-11-23 21:56:24 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Launching the default Windows debugger (dwwin.exe)
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 banker lordpe obfuscated packed packed packed packed shifu shiz upx
Result
Gathering data
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:
2025-11-23 08:37:52 UTC
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:simda discovery persistence stealer trojan upx
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
UPX packed file
Modifies WinLogon
Executes dropped EXE
Simda family
simda
Verdict:
Malicious
Tags:
Win.Malware.Generic-6862577-0
YARA:
n/a
Unpacked files
SH256 hash:
f77ccd01991f00d8222b4d40b0ee22144478787476146d9d3fc14645bf007480
MD5 hash:
d1311c5aaab2e48fb19272642721092e
SHA1 hash:
fd005c400dece231b8ee7ffed7bf60fa5fc4250f
SH256 hash:
01b51e4a4c514c6ee8d9c2eb8b888182e24d21e8fd2b228e376a42048cbfe585
MD5 hash:
224bbd7732edfed98b8cebdceddc9507
SHA1 hash:
f8e3226ccc8b5219538b3d76dec935ce5127f999
Detections:
win_simda_auto win_simda_g1 win_simda_g0 Simda MALWARE_Win_Simda
SH256 hash:
12cab7f45cc1ec36cf8b5969cba1fd482f7c0573fa818b83342ddac9b1b203b4
MD5 hash:
b279855dda602d1153c09a946e6dc861
SHA1 hash:
c86b400838cd21dba9320f86a57b7fee40cd0cef
Detections:
win_simda_auto win_simda_g1 win_simda_g0 Simda MALWARE_Win_Simda
Please note that we are no longer able to provide a coverage score for Virus Total.

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:UPX20030XMarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
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.

Comments