MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f278465d78bb6bb4b77a9ee62565e6c4444c768e7a25b2ee391f7fad74ad23d8. 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


Sliver


Vendor detections: 17


Intelligence 17 IOCs YARA 27 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f278465d78bb6bb4b77a9ee62565e6c4444c768e7a25b2ee391f7fad74ad23d8
SHA3-384 hash: 2024d0f62cb66ac58f07d4b5a207a87cd3b11623e38c3d1bd2358fea0c3b8cc936f89bed3fbe8e089cf33f820eab89e5
SHA1 hash: d50be1fa393b89c4dace9a84c4a243ff5685783f
MD5 hash: 5f6ad0e41a25b4ed741cf9dce1894ed1
humanhash: mississippi-sweet-whiskey-summer
File name:WRITTEN_PARCEL.exe
Download: download sample
Signature Sliver
Create hunting rule
File size:15'755'776 bytes
First seen:2025-08-25 14:24:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f0ea7b7844bbc5bfa9bb32efdcea957c (65 x Sliver, 38 x Vidar, 17 x CobaltStrike)
ssdeep 98304:L3Ggm11sBTxImyHj/Ry/PmNulH9d+HtPI+waO71l74RARx8ExrXANY2ZSyna:DGgm11Axi03QulH9QNPI+m1hKQ/N5
Threatray 82 similar samples on MalwareBazaar
TLSH T11EF60903F8D61598C4F9D2B489254232F97178581B7933CB2BA1B7B42B32BF05E7A791
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter Anonymous
Tags:exe sliver

Intelligence

File Origin
# of uploads :
1
# of downloads :
401
Origin country :
AE AE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
WRITTEN_PARCEL.exe
Verdict:
Malicious activity
Analysis date:
2025-08-25 14:25:48 UTC
Tags:
sliver golang
Link:
https://app.any.run/tasks/9cb61a22-2ffc-460e-bbed-684c701dc3d3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Sliver
Create hunting rule
Link:
https://www.capesandbox.com/analysis/23468/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ac7278eb163e0ec182b031
Tags:
malware
Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
golang obfuscated sliver
Link:
https://www.filescan.io/uploads/68ac727c7137d684583ba1da/reports/a6a68778-f343-4cbf-b547-4610d9c5a884/overview
Verdict:
Malicious
Labled as:
Dump:Generic.Sliver.Marte.E
Link:
https://www.hybrid-analysis.com/sample/f278465d78bb6bb4b77a9ee62565e6c4444c768e7a25b2ee391f7fad74ad23d8
Verdict:
Unknown
File Type:
Link:
https://opentip.kaspersky.com/f278465d78bb6bb4b77a9ee62565e6c4444c768e7a25b2ee391f7fad74ad23d8/results?tab=lookup
Malware family:
Ransomhub
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bdd6394d-c58a-43c5-b007-7dbc34c36704
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f278465d78bb6bb4b77a9ee62565e6c4444c768e7a25b2ee391f7fad74ad23d8
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/5f6ad0e41a25b4ed741cf9dce1894ed1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f278465d78bb6bb4b77a9ee62565e6c4444c768e7a25b2ee391f7fad74ad23d8/
Verdict:
Malicious
Threat:
Family.SLIVER
Link:
https://tip.neiki.dev/file/f278465d78bb6bb4b77a9ee62565e6c4444c768e7a25b2ee391f7fad74ad23d8
Threat name:
Win64.Trojan.SliverMarte
Create hunting rule
Status:
Malicious
First seen:
2025-08-25 14:05:36 UTC
File Type:
PE+ (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6j4emxlyxnv3jn32t3tckzpgyrcey5uopis3f3rzd57225fnepma._file
Verdict:
malicious
Label(s):
sliver
Create hunting rule
Similar samples:
00f3c8123a27b3f4e8bc55650076432fc8e4cf3b9c9f05fe6aee71766c33e0dc
Sliver
15cf2dd26d6716323b363b51d605ee21c556396a997c0f4089078032fbb92e2b
Sliver
cd3718dc391f982c7843289221ca30666be93007a4e7ba0b9d5a6b69f25cefd7
Sliver
df8485aad922f0e8858f691f9b0b116c8ce1d74b1f0e7cb7128e294e879bbb1c
Sliver
error
Sliver
f00bb1eb2a703e4f3501c8f4d2399e2edec74fb652f8b995bbaacbbf92fb55ff
Sliver
+ 72 additional samples on MalwareBazaar
Result
Malware family:
sliver
Create hunting rule
Score:
  10/10
Tags:
family:sliver
Link:
https://tria.ge/reports/250825-rrrpbshp4s/
Verdict:
Malicious
Tags:
red_team_tool sliver commandandcontrol Win.File.Sliver-9942542-0
YARA:
INDICATOR_TOOL_Sliver Multi_Trojan_Sliver_42298c4a Multi_Trojan_Sliver_3bde542d
Link:
https://app.threat.zone/submission/2cc5f1ca-e25b-4d28-96d2-7ce2c9cc416b
Unpacked files
SH256 hash:
f278465d78bb6bb4b77a9ee62565e6c4444c768e7a25b2ee391f7fad74ad23d8
MD5 hash:
5f6ad0e41a25b4ed741cf9dce1894ed1
SHA1 hash:
d50be1fa393b89c4dace9a84c4a243ff5685783f
Detections:
win_sliver_w0
Create hunting rule
Sliver
Create hunting rule
Link:
https://www.unpac.me/results/c1fcedd9-fb89-40ad-9efb-bc18016cd375/
Malware family:
Sliver
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f278465d78bb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f278465d78bb6bb4b77a9ee62565e6c4444c768e7a25b2ee391f7fad74ad23d8

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:GoBinTest
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:INDICATOR_TOOL_Sliver
Create hunting rule
Author:ditekSHen
Description:Detects Sliver implant cross-platform adversary emulation/red team
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multi_Trojan_Bishopsliver_42298c4a
Create hunting rule
Rule name:Multi_Trojan_Sliver_3bde542d
Create hunting rule
Author:Elastic Security
Rule name:Multi_Trojan_Sliver_42298c4a
Create hunting rule
Author:Elastic Security
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sliver_Implant_32bit
Create hunting rule
Author:gssincla@google.com
Description:Sliver 32-bit implant (with and without --debug flag at compile)
Reference:https://cloud.google.com/blog/products/identity-security/making-cobalt-strike-harder-for-threat-actors-to-abuse
Rule name:Sliver__Implant_32bit
Create hunting rule
Author:gssincla@google.com
Rule name:SUSP_GObfuscate_May21
Create hunting rule
Author:James Quinn, Paul Hager (merged with new similar pattern)
Description:Identifies binaries obfuscated with gobfuscate
Reference:https://github.com/unixpickle/gobfuscate
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:win_sliver_w0
Create hunting rule
Author:ditekSHen
Description:Detects Sliver implant cross-platform adversary emulation/red team

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Sliver

Executable exe f278465d78bb6bb4b77a9ee62565e6c4444c768e7a25b2ee391f7fad74ad23d8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3611353/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/23468/

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