General
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Target
bc73998864190a9562a117c1e4587cc39de1bc1017b369f4aa0c736cd39b353a
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Size
235KB
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Sample
221223-sa6btsgf26
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MD5
15f57d45fe2a1e8da248cf9b3723d775
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SHA1
aafb9168ed62dc2ebeeb8428c3a39a6525142f6c
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SHA256
bc73998864190a9562a117c1e4587cc39de1bc1017b369f4aa0c736cd39b353a
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SHA512
aa0dea76d7677aa5773d1e0bf1ef8d297f8f30437318ebb13e5ca3fc029be758c9799004c5c6331aee68167e3b38796f572a4394f03eeb2023cf8a085efb1174
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SSDEEP
6144:okwjBO99g6779r0psUhmiIuVyD2NgOJgN:VTrOh2uVyCN3S
Behavioral task
behavioral1
Sample
bc73998864190a9562a117c1e4587cc39de1bc1017b369f4aa0c736cd39b353a.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
amadey
3.63
62.204.41.182/g9TTnd3bS/index.php
Extracted
https://cdn.discordapp.com/attachments/1049569242455998544/1049862157858242560/string4633.err
Extracted
https://cdn.discordapp.com/attachments/1049569242455998544/1049862157594021948/string792.err
Extracted
amadey
3.60
193.42.33.28/game0ver/index.php
Extracted
redline
Installs2
89.23.96.2:7253
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auth_value
d1c0296fa519fe99ab9b066aba8fe5ce
Extracted
remcos
12-22-22
194.180.48.225:1024
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audio_folder
iujhgv
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audio_path
%Temp%
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
lkjhg.exe
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copy_folder
sdfghjk
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delete_file
true
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hide_file
true
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hide_keylog_file
true
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install_flag
true
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keylog_crypt
false
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keylog_file
oijkhb.dat
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keylog_flag
false
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keylog_folder
hgfds
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keylog_path
%WinDir%
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mouse_option
false
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mutex
yuhgfd-9Z85LD
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screenshot_crypt
false
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screenshot_flag
true
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screenshot_folder
lkjhg
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screenshot_path
%AppData%
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screenshot_time
5
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startup_value
ijhgf
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take_screenshot_option
true
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take_screenshot_time
5
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take_screenshot_title
bank
Extracted
redline
installs
89.23.96.2:7253
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auth_value
8d4428f372143572364f044ea9649d7f
Extracted
redline
installs1
89.23.96.2:7253
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auth_value
fb538922d8f77f00fb6c39f8066af176
Targets
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Target
bc73998864190a9562a117c1e4587cc39de1bc1017b369f4aa0c736cd39b353a
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Size
235KB
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MD5
15f57d45fe2a1e8da248cf9b3723d775
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SHA1
aafb9168ed62dc2ebeeb8428c3a39a6525142f6c
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SHA256
bc73998864190a9562a117c1e4587cc39de1bc1017b369f4aa0c736cd39b353a
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SHA512
aa0dea76d7677aa5773d1e0bf1ef8d297f8f30437318ebb13e5ca3fc029be758c9799004c5c6331aee68167e3b38796f572a4394f03eeb2023cf8a085efb1174
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SSDEEP
6144:okwjBO99g6779r0psUhmiIuVyD2NgOJgN:VTrOh2uVyCN3S
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Detect Amadey credential stealer module
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Detect rhadamanthys stealer shellcode
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Detects Smokeloader packer
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Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Chinese Botnet payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Blocklisted process makes network request
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Downloads MZ/PE file
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Executes dropped EXE
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Uses the VBS compiler for execution
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Accesses Microsoft Outlook profiles
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v6
Defense Evasion
Bypass User Account Control
1Disabling Security Tools
1Modify Registry
3Scripting
1Virtualization/Sandbox Evasion
1