MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffddc4f5595e677284025292315e3fcea6b4524e9007a60882f58630bc6535ca. 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



CobaltStrike


Vendor detections: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: ffddc4f5595e677284025292315e3fcea6b4524e9007a60882f58630bc6535ca
SHA3-384 hash: bb819946edb2a3c18553f2ef7d615afa5a8144abf542881dc35527e07b5e6a7e9cbf25e592cd26ef61feb39451891489
SHA1 hash: e138d10465c41a90e5a39a38d72089da488962cd
MD5 hash: 5b0d8d92cb6f8a37378a9c9a98994e3f
humanhash: alabama-table-earth-uniform
File name:区政府办公室关于印发“人才聚溧”促进高校毕业生高质量充分就业三年行动计划(2025—2027)的通知.docx.exe
Download: download sample
Signature CobaltStrike
File size:325'120 bytes
First seen:2025-12-14 16:27:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e51bbea7fb8ac6ef6440e204b43381a1 (1 x CobaltStrike)
ssdeep 3072:1mR6sw2jAkO0TyN3oaacaUg2K15VKSoUubuPwuTJO:1m4sw2Ukg3fcN1TKcuCPVl
Threatray 3 similar samples on MalwareBazaar
TLSH T181643FC76BB2DE67F44C71F1C028F4629F2CBE710EA3B68749F475AA09369614F141A2
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 Ling
Tags:CobaltStrike exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
140
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_ffddc4f5595e677284025292315e3fcea6b4524e9007a60882f58630bc6535ca.exe
Verdict:
No threats detected
Analysis date:
2025-12-14 16:28:36 UTC
Tags:
doc-url qrcode

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
CobaltStrikeStager
Verdict:
Malicious
Score:
94.9%
Tags:
cobaltstrike underscore cobalt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm installer-heuristic masquerade microsoft_visual_cc obfuscated
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-13T14:14:00Z UTC
Last seen:
2025-12-14T15:38:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win32.Generic Trojan.Win64.Shlem.sb Trojan.Win64.Shelm.sb Trojan.Win32.Shelm.a HEUR:Trojan.Win64.Shelma.a
Malware family:
Microsoft Corporation
Verdict:
Unknown
Gathering data
Threat name:
Win64.Backdoor.Cobeacon
Status:
Malicious
First seen:
2025-12-13 19:55:56 UTC
File Type:
PE+ (Exe)
Extracted files:
36
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
cobaltstrike
Score:
  10/10
Tags:
family:cobaltstrike backdoor trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Cobaltstrike
Cobaltstrike family
Malware Config
C2 Extraction:
http://10.2.10.224:80/jZSF
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ffddc4f5595e677284025292315e3fcea6b4524e9007a60882f58630bc6535ca
MD5 hash:
5b0d8d92cb6f8a37378a9c9a98994e3f
SHA1 hash:
e138d10465c41a90e5a39a38d72089da488962cd
Malware family:
Metasploit
Verdict:
Malicious
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:sus_pe_free_without_allocation
Author:Maxime THIEBAUT (@0xThiebaut)
Description:Detects an executable importing functions to free memory without importing allocation functions, often indicative of dynamic import resolution

File information


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

Comments