General
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Target
83600bb9bb3eba4ca5d64a300bcdb8bc9c988570f5acdb6aecae77f4f75d2e68.exe
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Size
160KB
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Sample
240526-jryhwabg3t
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MD5
9251dd806a703d4a6b388e504e5020f3
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SHA1
a9c78679a7effe14bac6b0fe440af504c50d7d1f
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SHA256
83600bb9bb3eba4ca5d64a300bcdb8bc9c988570f5acdb6aecae77f4f75d2e68
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SHA512
f67f5f44ef17128b575608c4a8eddd76af172ebee276c752cb7a6e149cc244e0df81166bab52435f3a1db26b42f2d141e1aa338366a81a616792a0a07b110862
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SSDEEP
3072:kDDDDDDDDDDDDDDDDDDDE45d/t6sVkgZqltP33682wa9h+f2s9L6AsW:m5d/zugZqll3a5OB9L6
Behavioral task
behavioral1
Sample
83600bb9bb3eba4ca5d64a300bcdb8bc9c988570f5acdb6aecae77f4f75d2e68.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
83600bb9bb3eba4ca5d64a300bcdb8bc9c988570f5acdb6aecae77f4f75d2e68.exe
Resource
win10v2004-20240426-en
Malware Config
Extracted
C:\Users\NOokKHoMb.README.txt
http://lockbit3753ekiocyo5epmpy6klmejchjtzddoekjlnt6mu3qh4de2id.onion/
http://lockbit3g3ohd3katajf6zaehxz4h4cnhmz5t735zpltywhwpc6oy3id.onion/
http://lockbit3olp7oetlc4tl5zydnoluphh7fvdt5oa6arcp2757r7xkutid.onion/
http://lockbit435xk3ki62yun7z5nhwz6jyjdp2c64j5vge536if2eny3gtid.onion/
http://lockbit4lahhluquhoka3t4spqym2m3dhe66d6lr337glmnlgg2nndad.onion/
http://lockbit6knrauo3qafoksvl742vieqbujxw7rd6ofzdtapjb4rrawqad.onion/
http://lockbit7ouvrsdgtojeoj5hvu6bljqtghitekwpdy3b6y62ixtsu5jqd.onion/
https://twitter.com/hashtag/lockbit?f=live
http://lockbitcuo23q7qrymbk6dsp2sadltspjvjxgcyp4elbnbr6tcnwq7qd.onion
http://lockbit5eevg7vec4vwwtzgkl4kulap6oxbic2ye4mnmlq6njnpc47qd.onion
http://lockbit74beza5z3e3so7qmjnvlgoemscp7wtp33xo7xv7f7xtlqbkqd.onion
http://lockbit75naln4yj44rg6ez6vjmdcrt7up4kxmmmuvilcg4ak3zihxid.onion
http://lockbit7a2g6ve7etbcy6iyizjnuleffz4szgmxaawcbfauluavi5jqd.onion
http://lockbitaa46gwjck2xzmi2xops6x4x3aqn6ez7yntitero2k7ae6yoyd.onion
http://lockbitb42tkml3ipianjbs6e33vhcshb7oxm2stubfvdzn3y2yqgbad.onion
Extracted
C:\Users\NOokKHoMb.README.txt
http://lockbit3753ekiocyo5epmpy6klmejchjtzddoekjlnt6mu3qh4de2id.onion/
http://lockbit3g3ohd3katajf6zaehxz4h4cnhmz5t735zpltywhwpc6oy3id.onion/
http://lockbit3olp7oetlc4tl5zydnoluphh7fvdt5oa6arcp2757r7xkutid.onion/
http://lockbit435xk3ki62yun7z5nhwz6jyjdp2c64j5vge536if2eny3gtid.onion/
http://lockbit4lahhluquhoka3t4spqym2m3dhe66d6lr337glmnlgg2nndad.onion/
http://lockbit6knrauo3qafoksvl742vieqbujxw7rd6ofzdtapjb4rrawqad.onion/
http://lockbit7ouvrsdgtojeoj5hvu6bljqtghitekwpdy3b6y62ixtsu5jqd.onion/
https://twitter.com/hashtag/lockbit?f=live
http://lockbitcuo23q7qrymbk6dsp2sadltspjvjxgcyp4elbnbr6tcnwq7qd.onion
http://lockbit5eevg7vec4vwwtzgkl4kulap6oxbic2ye4mnmlq6njnpc47qd.onion
http://lockbit74beza5z3e3so7qmjnvlgoemscp7wtp33xo7xv7f7xtlqbkqd.onion
http://lockbit75naln4yj44rg6ez6vjmdcrt7up4kxmmmuvilcg4ak3zihxid.onion
http://lockbit7a2g6ve7etbcy6iyizjnuleffz4szgmxaawcbfauluavi5jqd.onion
http://lockbitaa46gwjck2xzmi2xops6x4x3aqn6ez7yntitero2k7ae6yoyd.onion
http://lockbitb42tkml3ipianjbs6e33vhcshb7oxm2stubfvdzn3y2yqgbad.onion
Targets
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Target
83600bb9bb3eba4ca5d64a300bcdb8bc9c988570f5acdb6aecae77f4f75d2e68.exe
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Size
160KB
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MD5
9251dd806a703d4a6b388e504e5020f3
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SHA1
a9c78679a7effe14bac6b0fe440af504c50d7d1f
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SHA256
83600bb9bb3eba4ca5d64a300bcdb8bc9c988570f5acdb6aecae77f4f75d2e68
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SHA512
f67f5f44ef17128b575608c4a8eddd76af172ebee276c752cb7a6e149cc244e0df81166bab52435f3a1db26b42f2d141e1aa338366a81a616792a0a07b110862
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SSDEEP
3072:kDDDDDDDDDDDDDDDDDDDE45d/t6sVkgZqltP33682wa9h+f2s9L6AsW:m5d/zugZqll3a5OB9L6
Score10/10-
Renames multiple (161) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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Drops desktop.ini file(s)
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Sets desktop wallpaper using registry
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Suspicious use of NtSetInformationThreadHideFromDebugger
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