General
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Target
file.exe
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Size
1.7MB
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Sample
231020-defjmsfa67
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MD5
e21f3665ec7bddb34730e1712b53957f
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SHA1
a98b88113f41bcc6e7e10bfa94f0b71021cd45f9
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SHA256
c8123964a14a24724ce73744c33bfac9446e53ca0675f37c68510284f8c9ee32
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SHA512
b2525f0cbd035b6e801cbcfe6fc70b568a73ee152706c42f61147d8feed309315ed6bbcbfbba2dde0bdd55b29d5ea232db3d989b9c3501d757c9ab71c401db13
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SSDEEP
24576:B3qKnZ3Pd5e1ToumYnOzR+rjMFvB4s6xl87AKwD:NnZ3lElZARrEXAAKG
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
amadey
3.89
http://193.42.32.29/9bDc8sQ/index.php
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install_dir
1ff8bec27e
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install_file
nhdues.exe
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strings_key
2efe1b48925e9abf268903d42284c46b
Extracted
vidar
6.1
55d1d90f582be35927dbf245a6a59f6e
https://steamcommunity.com/profiles/76561199563297648
https://t.me/twowheelfun
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profile_id_v2
55d1d90f582be35927dbf245a6a59f6e
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user_agent
Mozilla/5.0 (iPad; CPU OS 17_0_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.5 Mobile/15E148 Safari/605.1.15
Extracted
purecrypter
http://104.194.128.170/svp/Hfxbflp.mp3
http://104.194.128.170/svp/Enwpk.vdf
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Targets
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Target
file.exe
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Size
1.7MB
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MD5
e21f3665ec7bddb34730e1712b53957f
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SHA1
a98b88113f41bcc6e7e10bfa94f0b71021cd45f9
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SHA256
c8123964a14a24724ce73744c33bfac9446e53ca0675f37c68510284f8c9ee32
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SHA512
b2525f0cbd035b6e801cbcfe6fc70b568a73ee152706c42f61147d8feed309315ed6bbcbfbba2dde0bdd55b29d5ea232db3d989b9c3501d757c9ab71c401db13
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SSDEEP
24576:B3qKnZ3Pd5e1ToumYnOzR+rjMFvB4s6xl87AKwD:NnZ3lElZARrEXAAKG
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Glupteba payload
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Modifies boot configuration data using bcdedit
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Windows Firewall
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Possible attempt to disable PatchGuard
Rootkits can use kernel patching to embed themselves in an operating system.
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Stops running service(s)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1