General
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Target
a599b8702a1f1bfd9e26e995bb86cd93d40b3af967883970eb7506679178313d
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Size
284KB
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Sample
211022-f5f9zacaep
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MD5
282e9cc719b6826116542d7b1779c373
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SHA1
455bf0f712306766f75f3c680bd76f864520c29d
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SHA256
a599b8702a1f1bfd9e26e995bb86cd93d40b3af967883970eb7506679178313d
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SHA512
55e23e24d2dbd3ff0200aeb077d4f3e4c1d1ee3c6b2dd9b41823ff40d5aba4f1829ac62bf1d540a0977998747a9ca60802557f7e831fd5e2db687780712a8e98
Static task
static1
Behavioral task
behavioral1
Sample
a599b8702a1f1bfd9e26e995bb86cd93d40b3af967883970eb7506679178313d.exe
Resource
win10-en-20211014
Malware Config
Extracted
smokeloader
2020
http://gejajoo7.top/
http://sysaheu9.top/
http://nusurtal4f.net/
http://netomishnetojuk.net/
http://escalivrouter.net/
http://nick22doom4.net/
http://wrioshtivsio.su/
http://nusotiso4.su/
http://rickkhtovkka.biz/
http://palisotoliso.net/
Extracted
redline
MRFSW
65.21.194.86:2451
Extracted
vidar
41.5
1047
https://mas.to/@xeroxxx
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profile_id
1047
Extracted
vidar
41.5
706
https://mas.to/@xeroxxx
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profile_id
706
Extracted
djvu
http://rlrz.org/lancer
Targets
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Target
a599b8702a1f1bfd9e26e995bb86cd93d40b3af967883970eb7506679178313d
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Size
284KB
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MD5
282e9cc719b6826116542d7b1779c373
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SHA1
455bf0f712306766f75f3c680bd76f864520c29d
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SHA256
a599b8702a1f1bfd9e26e995bb86cd93d40b3af967883970eb7506679178313d
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SHA512
55e23e24d2dbd3ff0200aeb077d4f3e4c1d1ee3c6b2dd9b41823ff40d5aba4f1829ac62bf1d540a0977998747a9ca60802557f7e831fd5e2db687780712a8e98
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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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RedLine Payload
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Suspicious use of NtCreateProcessExOtherParentProcess
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suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
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suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
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suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Vidar Stealer
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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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Deletes itself
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Loads dropped DLL
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Modifies file permissions
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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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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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