General
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Target
file.exe
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Size
249KB
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Sample
230910-jhh2tsff57
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MD5
af386d4f06fc220943bc13812384f552
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SHA1
e856463e566722dce9f5c86c567dc9fbb76c742d
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SHA256
1590e13b0bac57f3539e1663ac7ba290d9ef91d3b40a0b9ee8cd148f35689048
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SHA512
88c022416b59345037bbfd9185e427e9c16517c904b1fd2111b20a84dd89e3da4f8573e2b985cc86cdd4601ee8fb6dcdd0696c4e456b60095a6295bfa5bca7b8
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SSDEEP
3072:3Bc0bLwUUeGfJ6OfDOMWTXwnwNyvhjn1trtR9D7BlHRGtX2:xxbLwLxD0TvNGhHrtf7gt
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230831-en
Malware Config
Extracted
smokeloader
2022
http://potunulit.org/
http://hutnilior.net/
http://bulimu55t.net/
http://soryytlic4.net/
http://novanosa5org.org/
http://nuljjjnuli.org/
http://tolilolihul.net/
http://somatoka51hub.net/
http://hujukui3.net/
http://bukubuka1.net/
http://golilopaster.org/
http://newzelannd66.org/
http://otriluyttn.org/
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.hgml
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offline_id
Nk8w6hJsuGrE3s2SYWM3ehMUHvjgVRqqgX84dat1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
amadey
3.87
http://79.137.192.18/9bDc8sQ/index.php
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install_dir
577f58beff
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install_file
yiueea.exe
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strings_key
a5085075a537f09dec81cc154ec0af4d
Extracted
redline
38.181.25.43:3325
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auth_value
082cde17c5630749ecb0376734fe99c9
Extracted
redline
amadey_api
amadapi.tuktuk.ug:11290
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auth_value
a004bea47cf55a1c8841d46c3fe3e6f5
Extracted
redline
LogsDiller Cloud (TG: @logsdillabot)
51.89.253.22:31098
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auth_value
3a050df92d0cf082b2cdaf87863616be
Extracted
laplas
http://lpls.tuktuk.ug
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api_key
a0f588021b58e0c7908a163f8750678efedf2a66bf739a12427b379aef47ccde
Targets
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Target
file.exe
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Size
249KB
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MD5
af386d4f06fc220943bc13812384f552
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SHA1
e856463e566722dce9f5c86c567dc9fbb76c742d
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SHA256
1590e13b0bac57f3539e1663ac7ba290d9ef91d3b40a0b9ee8cd148f35689048
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SHA512
88c022416b59345037bbfd9185e427e9c16517c904b1fd2111b20a84dd89e3da4f8573e2b985cc86cdd4601ee8fb6dcdd0696c4e456b60095a6295bfa5bca7b8
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SSDEEP
3072:3Bc0bLwUUeGfJ6OfDOMWTXwnwNyvhjn1trtR9D7BlHRGtX2:xxbLwLxD0TvNGhHrtf7gt
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Detected Djvu ransomware
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Downloads MZ/PE file
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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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Deletes itself
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Uses the VBS compiler for execution
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Adds Run key to start application
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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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
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
File and Directory Permissions Modification
1Modify Registry
2Scripting
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1