General
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Target
bd71591f1441519609a92dc8e5adba2a3d6989a77509db94f1a47d1c45b2c8b6
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Size
249KB
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Sample
230331-lar1wahb63
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MD5
a07749204e514e6590962bd1bb3a9007
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SHA1
451182516110fe73ac91839f6724e8fd6a50edb5
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SHA256
bd71591f1441519609a92dc8e5adba2a3d6989a77509db94f1a47d1c45b2c8b6
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SHA512
7b68a707a47ecf79f344d97a387e4748d4143cf4ea6d0b0b886877811b55e27c918acf61fd370883f039d28a54ac160a46c5d0e46f9dfabd897cc72ab5c75cd9
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SSDEEP
3072:8EaBCRFszt8XFmrRNCROs1w65Ow5+vmaZiLxi+PbXuZnlbpxwiZ6+v:wCR+yFmds1w6dYOaZiL4xwiX
Static task
static1
Behavioral task
behavioral1
Sample
bd71591f1441519609a92dc8e5adba2a3d6989a77509db94f1a47d1c45b2c8b6.exe
Resource
win10v2004-20230221-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/
http://aapu.at/tmp/
http://poudineh.com/tmp/
http://firsttrusteedrx.ru/tmp/
http://kingpirate.ru/tmp/
Extracted
djvu
http://zexeq.com/test2/get.php
http://zexeq.com/lancer/get.php
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extension
.jywd
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offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
smokeloader
pub1
Extracted
vidar
3.2
5df88deb5dde677ba658b77ad5f60248
https://steamcommunity.com/profiles/76561199489580435
https://t.me/tabootalks
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profile_id_v2
5df88deb5dde677ba658b77ad5f60248
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user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79
Extracted
amadey
3.65
77.73.134.27/8bmdh3Slb2/index.php
Targets
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Target
bd71591f1441519609a92dc8e5adba2a3d6989a77509db94f1a47d1c45b2c8b6
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Size
249KB
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MD5
a07749204e514e6590962bd1bb3a9007
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SHA1
451182516110fe73ac91839f6724e8fd6a50edb5
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SHA256
bd71591f1441519609a92dc8e5adba2a3d6989a77509db94f1a47d1c45b2c8b6
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SHA512
7b68a707a47ecf79f344d97a387e4748d4143cf4ea6d0b0b886877811b55e27c918acf61fd370883f039d28a54ac160a46c5d0e46f9dfabd897cc72ab5c75cd9
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SSDEEP
3072:8EaBCRFszt8XFmrRNCROs1w65Ow5+vmaZiLxi+PbXuZnlbpxwiZ6+v:wCR+yFmds1w6dYOaZiL4xwiX
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Detected Djvu ransomware
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Modifies security service
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Downloads MZ/PE file
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Stops running service(s)
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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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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Drops file in System32 directory
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Suspicious use of SetThreadContext
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