MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5458f18e36de21d20b713f7acd8575fc8a86330c466e1b9dc6f41bc81f3e79fc. 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


Mydoom


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments
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SHA256 hash: 5458f18e36de21d20b713f7acd8575fc8a86330c466e1b9dc6f41bc81f3e79fc
SHA3-384 hash: e3961a2431af689436ec0ec45d53d00bb53cd4fc636fcac307e4cfce9daa98549b9f84abf0b63177e6b1dfe827d1bea6
SHA1 hash: 77e2019093379de4d5de07dbcf5893831c9bb7ec
MD5 hash: 7fdd3bf8886199e8336f95c88bcaa49a
humanhash: item-zebra-nitrogen-finch
File name:HEUR-Trojan-Ransom.MSIL.Encoder.gen-5458f18e36de21d20b713f7acd8575fc8a86330c466e1b9dc6f41bc81f3e79fc
Download: download sample
Signature Mydoom
Create hunting rule
File size:102'400 bytes
First seen:2022-09-24 09:39:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:1zmSA404oATJVPHEMXMxa6CO3/k/hdXVyczH+95DfFFjfuEnm:1zxEYsZaLhdlo95DfFFjfuCm
TLSH T1D9A3F440D786C12EEBDE32FA956761C04E70B4DB6935C72AACE0A8E519527C17F0D2CB
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter petikvx
Tags:exe Mydoom Ransomware

Intelligence

File Origin
# of uploads :
1
# of downloads :
514
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Client-0.exe
Verdict:
Malicious activity
Analysis date:
2021-06-18 15:05:50 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/c03987f9-162b-4dcc-882f-62da346a7354

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/312860/
Detection(s):
Win.Ransomware.Prometheus-9874369-0
Create hunting rule

ditekSHen.MALWARE.Win.Ransomware.Thanos.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Searching for the window
Launching a process
Launching the process to change the firewall settings
Sending a custom TCP request
Launching a tool to kill processes
Enabling autorun for a service
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/632ed0fc26a88abc7d22ea4e/reports/e4801d89-6d9a-4e83-8700-115a251d8453/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Prometheus Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dd768d0e-78d0-4ecc-be05-224e9fefc4e1
Result
Threat name:
Spook
Create hunting rule
Detection:
malicious
Classification:
rans.spre.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1076425
Signature
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Performs a network lookup / discovery via ARP
Uses cmd line tools excessively to alter registry or file data
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Spook Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 708967 Sample: 1f3e79fc.exe Startdate: 24/09/2022 Architecture: WINDOWS Score: 96 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 2 other signatures 2->48 7 1f3e79fc.exe 2 2->7         started        process3 dnsIp4 34 192.168.2.10 unknown unknown 7->34 36 192.168.2.100 unknown unknown 7->36 38 97 other IPs or domains 7->38 50 Uses cmd line tools excessively to alter registry or file data 7->50 52 Uses schtasks.exe or at.exe to add and modify task schedules 7->52 54 Uses netsh to modify the Windows network and firewall settings 7->54 56 2 other signatures 7->56 11 ARP.EXE 7->11         started        14 taskkill.exe 1 7->14         started        16 taskkill.exe 1 7->16         started        18 63 other processes 7->18 signatures5 process6 dnsIp7 40 192.168.2.1 unknown unknown 11->40 20 conhost.exe 11->20         started        22 conhost.exe 14->22         started        24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        28 conhost.exe 18->28         started        30 conhost.exe 18->30         started        32 60 other processes 18->32 process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5458f18e36de21d20b713f7acd8575fc8a86330c466e1b9dc6f41bc81f3e79fc/
Threat name:
ByteCode-MSIL.Ransomware.Thanos
Create hunting rule
Status:
Malicious
First seen:
2021-05-12 09:11:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=krmpddrw3yq5ec3rh55m3blv7sfimmymizxbxhog6qn4qhz6ph6a._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery evasion persistence ransomware
Link:
https://tria.ge/reports/220924-lm7xvsccfl/
Behaviour
Kills process with taskkill
Modifies registry key
Opens file in notepad (likely ransom note)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Modifies WinLogon
Checks computer location settings
Deletes itself
Drops startup file
Modifies file permissions
Modifies Windows Firewall
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f4409d1a-6707-4ccf-a74b-5a60e7371819
Unpacked files
SH256 hash:
5458f18e36de21d20b713f7acd8575fc8a86330c466e1b9dc6f41bc81f3e79fc
MD5 hash:
7fdd3bf8886199e8336f95c88bcaa49a
SHA1 hash:
77e2019093379de4d5de07dbcf5893831c9bb7ec
Link:
https://www.unpac.me/results/ce18a343-3083-45ea-a66c-b4b3336bceed/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.76
Link:
https://yomi.yoroi.company/submissions/5458f18e36de21d20b713f7acd8575fc8a86330c466e1b9dc6f41bc81f3e79fc

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:MALWARE_Win_Thanos
Create hunting rule
Author:ditekSHen
Description:Detects Thanos / Prometheus / Spook ransomware
Rule name:pe_imphash
Create hunting rule
Rule name:RansomwareTest6
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/312860/

Comments