MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43d093640cc6de7437a5813ee5dabc8da13b5d354e7e9bb27b021508c556a0b3. 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



Threat unknown


Vendor detections: 12


Intelligence 12 IOCs YARA 29 File information Comments

SHA256 hash: 43d093640cc6de7437a5813ee5dabc8da13b5d354e7e9bb27b021508c556a0b3
SHA3-384 hash: 95abba6017a480f75fd18b4cfd34bd2262e8ed5b5ce58cad20d0aa496f2601b355656fcc7379a7e1b4cfe934251bd92e
SHA1 hash: 1afd2978775fbfd4a44e6ad39cbd6b5a05881754
MD5 hash: 3d6c6c6aa0fab23c9d88934f2c4577ad
humanhash: alpha-cat-venus-two
File name:feihe邮箱专项补丁.exe
Download: download sample
File size:4'134'912 bytes
First seen:2025-08-04 12:03:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9aebf3da4677af9275c461261e5abde3 (25 x YTStealer, 12 x CobaltStrike, 11 x Hive)
ssdeep 98304:ipyd3KuO+HhttcPHWasq9EBrdydAqDJu6iqtQ1N8U6q2+Q92sQQ159kCCUdJRTIj:ipq3j33QWyEBQdAUJuOa1yUV2F92sv1C
TLSH T1F116339A4451396DB6113D31E32AFAD0692738236B9271B44C0BC5E68373DE3D6E3B4B
TrID 38.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.6% (.ICL) Windows Icons Library (generic) (2059/9)
15.4% (.EXE) OS/2 Executable (generic) (2029/13)
15.2% (.EXE) Generic Win/DOS Executable (2002/3)
15.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter Joker
Tags:exe trojan

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
feihe邮箱专项补丁.exe
Verdict:
No threats detected
Analysis date:
2025-08-04 12:06:38 UTC
Tags:
golang

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
nanocore emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug golang mingw obfuscated packed packed packer_detected
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Threat name:
Win64.Trojan.Egairtigado
Status:
Malicious
First seen:
2025-08-04 12:09:34 UTC
File Type:
PE+ (Exe)
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
darkbit
Similar samples:
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
43d093640cc6de7437a5813ee5dabc8da13b5d354e7e9bb27b021508c556a0b3
MD5 hash:
3d6c6c6aa0fab23c9d88934f2c4577ad
SHA1 hash:
1afd2978775fbfd4a44e6ad39cbd6b5a05881754
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:botnet_plaintext_c2
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:GoBinTest
Rule name:golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:Indicator_MiniDumpWriteDump
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:mht_inside_word
Author:dPhish
Description:Detect embedded mht files inside microsfot word.
Rule name:pe_detect_tls_callbacks
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:SuspiciousDll
Author:martclau
Description:Detects SolarWinds Orion backdoor
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Comments