General
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Target
988f1622b98be1cec133fc839e0fc918.bin
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Size
165KB
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Sample
230329-bxph6afh8y
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MD5
39d35fcebc521b973a6a73421a220f4d
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SHA1
3159fcdd842c9bb5586c08719fb006f6dc314fac
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SHA256
ec98f59cb3c563ae13fd934ead362f67938ea0040ea89c4b07a348014d8a44d8
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SHA512
64358a88f888098d89986178be6fe48923f95dea78efb763c99754029542348a0c08c3c4ed121a50fc24bc5ad9cca4b48043ab7895f197319830a2c881c5c99b
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SSDEEP
3072:bcvhKi2GNMKy2r9BBCrQOKGrsBjBHUdMpCamP6NYr4eTRgU0p2+9Q:bcXNny2r9zCkyaFHUdMpCNlJRp0QEQ
Static task
static1
Behavioral task
behavioral1
Sample
b1b014d8c81723e8285abbf170aca64dd601ee8980e6bba866b214425cd53af5.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
b1b014d8c81723e8285abbf170aca64dd601ee8980e6bba866b214425cd53af5.exe
Resource
win10v2004-20230220-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
amadey
3.65
77.73.134.27/8bmdh3Slb2/index.php
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
Targets
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Target
b1b014d8c81723e8285abbf170aca64dd601ee8980e6bba866b214425cd53af5.exe
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Size
250KB
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MD5
988f1622b98be1cec133fc839e0fc918
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SHA1
63c6eac78de3511f43d27bd16da72f0eb73bab1c
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SHA256
b1b014d8c81723e8285abbf170aca64dd601ee8980e6bba866b214425cd53af5
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SHA512
33340ad111dc62970ffd92169462eaf9a4baf71c59657cfbc13a6078a2e1021d5a09ffa0282c02a2356800e432e70ea3171681b583e2baaf10a0d8d972eea15a
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SSDEEP
3072:PFQ8NoU+oWuudk4LxGRCVs/sePHyhKyAt8fvMk9qOGzIj5qbni:dvN0u2k4LMRgs/se/nCvrVGf+
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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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Blocklisted process makes network request
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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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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 SetThreadContext
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