bf35a155a6ea06ff48d879db20312a0007aa823d84e110f7835a1b552e26c605

General

Target

5c7621b4003a08922095e160be8a1474.exe
Size

512KB
MD5

5c7621b4003a08922095e160be8a1474
SHA1

0e6c17a860747f929dd3abe41da5926d27396f48
SHA256

bf35a155a6ea06ff48d879db20312a0007aa823d84e110f7835a1b552e26c605
SHA512

783066a4499df3c1b5867e50d3b4f19e96e2cef7dd22a8a0cf4c182d0713c398b986302452350963f95d2646df325be87575e63b881c87f212e96993683c6822
SSDEEP

6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6/:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5C

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
2800	btyhcpfwlc.exe
2900	ozrlovrxqofuzul.exe
3844	oovppbgy.exe
4812	tucjyjimcnxng.exe

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4680-0-0x0000000000400000-0x0000000000496000-memory.dmp	autoit_exe
behavioral2/files/0x00090000000231f9-24.dat	autoit_exe
behavioral2/files/0x000d00000002315a-19.dat	autoit_exe
behavioral2/files/0x000d00000002315a-18.dat	autoit_exe

Drops file in System32 directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\tucjyjimcnxng.exe	5c7621b4003a08922095e160be8a1474.exe
File created	C:\Windows\SysWOW64\btyhcpfwlc.exe	5c7621b4003a08922095e160be8a1474.exe
File opened for modification	C:\Windows\SysWOW64\btyhcpfwlc.exe	5c7621b4003a08922095e160be8a1474.exe
File created	C:\Windows\SysWOW64\ozrlovrxqofuzul.exe	5c7621b4003a08922095e160be8a1474.exe
File opened for modification	C:\Windows\SysWOW64\ozrlovrxqofuzul.exe	5c7621b4003a08922095e160be8a1474.exe
File created	C:\Windows\SysWOW64\oovppbgy.exe	5c7621b4003a08922095e160be8a1474.exe
File opened for modification	C:\Windows\SysWOW64\oovppbgy.exe	5c7621b4003a08922095e160be8a1474.exe
File created	C:\Windows\SysWOW64\tucjyjimcnxng.exe	5c7621b4003a08922095e160be8a1474.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mydoc.rtf	Process not Found

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

System Information Discovery
T1082

Modifies registry class 7 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\CLV.Classes	5c7621b4003a08922095e160be8a1474.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com1 = "33412D7C9D2083576A3F77D070202DD97D8264DA"	5c7621b4003a08922095e160be8a1474.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com2 = "6ABAF9BEFE16F195837F3A4781993E99B38E02FB4315023CE2C4459E08A6"	5c7621b4003a08922095e160be8a1474.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com3 = "2FC4B15A449338E252CEBAD03292D4CF"	5c7621b4003a08922095e160be8a1474.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\Com4 = "7FF5FC82485A851B9031D72D7D9CBDE0E1315932664F6330D7EA"	5c7621b4003a08922095e160be8a1474.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom1 = "E08168C6FF6721AAD17AD0A38B7F9060"	5c7621b4003a08922095e160be8a1474.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CLV.Classes\StartCom2 = "1848C67D14E6DBBEB9BC7CE6EDE234C8"	5c7621b4003a08922095e160be8a1474.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
4680	5c7621b4003a08922095e160be8a1474.exe
4680	5c7621b4003a08922095e160be8a1474.exe
4680	5c7621b4003a08922095e160be8a1474.exe
4680	5c7621b4003a08922095e160be8a1474.exe
4680	5c7621b4003a08922095e160be8a1474.exe
4680	5c7621b4003a08922095e160be8a1474.exe
4680	5c7621b4003a08922095e160be8a1474.exe
4680	5c7621b4003a08922095e160be8a1474.exe
4680	5c7621b4003a08922095e160be8a1474.exe
4680	5c7621b4003a08922095e160be8a1474.exe
4680	5c7621b4003a08922095e160be8a1474.exe
4680	5c7621b4003a08922095e160be8a1474.exe
4680	Process not Found
4680	Process not Found
4680	Process not Found
4680	Process not Found

Suspicious use of FindShellTrayWindow 9 IoCs

pid	Process
4680	5c7621b4003a08922095e160be8a1474.exe
4680	5c7621b4003a08922095e160be8a1474.exe
4680	5c7621b4003a08922095e160be8a1474.exe
2800	btyhcpfwlc.exe
2800	btyhcpfwlc.exe
2800	btyhcpfwlc.exe
3844	oovppbgy.exe
2900	ozrlovrxqofuzul.exe
3844	oovppbgy.exe

Suspicious use of SendNotifyMessage 9 IoCs

pid	Process
4680	5c7621b4003a08922095e160be8a1474.exe
4680	5c7621b4003a08922095e160be8a1474.exe
4680	5c7621b4003a08922095e160be8a1474.exe
2800	btyhcpfwlc.exe
2800	btyhcpfwlc.exe
2800	btyhcpfwlc.exe
3844	oovppbgy.exe
2900	ozrlovrxqofuzul.exe
3844	oovppbgy.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 2800	4680	5c7621b4003a08922095e160be8a1474.exe	29
PID 4680 wrote to memory of 2800	4680	5c7621b4003a08922095e160be8a1474.exe	29
PID 4680 wrote to memory of 2800	4680	5c7621b4003a08922095e160be8a1474.exe	29
PID 4680 wrote to memory of 2900	4680	Process not Found	28
PID 4680 wrote to memory of 2900	4680	Process not Found	28
PID 4680 wrote to memory of 2900	4680	Process not Found	28
PID 4680 wrote to memory of 3844	4680	Process not Found	19
PID 4680 wrote to memory of 3844	4680	Process not Found	19
PID 4680 wrote to memory of 3844	4680	Process not Found	19
PID 4680 wrote to memory of 4812	4680	Process not Found	27
PID 4680 wrote to memory of 4812	4680	Process not Found	27
PID 4680 wrote to memory of 4812	4680	Process not Found	27

C:\Users\Admin\AppData\Local\Temp\5c7621b4003a08922095e160be8a1474.exe
"C:\Users\Admin\AppData\Local\Temp\5c7621b4003a08922095e160be8a1474.exe"
1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4680
- C:\Windows\SysWOW64\oovppbgy.exe
  oovppbgy.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:3844
- C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
  "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
  2⤵
  PID:4456
- C:\Windows\SysWOW64\tucjyjimcnxng.exe
  tucjyjimcnxng.exe
  2⤵
  - Executes dropped EXE
  PID:4812
- C:\Windows\SysWOW64\ozrlovrxqofuzul.exe
  ozrlovrxqofuzul.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2900
- C:\Windows\SysWOW64\btyhcpfwlc.exe
  btyhcpfwlc.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2800

C:\Windows\SysWOW64\oovppbgy.exe
C:\Windows\system32\oovppbgy.exe
1⤵
PID:4604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\btyhcpfwlc.exe

Filesize
381KB

MD5
30aec9e0b33fbd99234328357879f812

SHA1
3c9d37139d4ccfe2b694afba9633170d0f510a92

SHA256
15aad0daaaeea2f1eb8d19a8999f42844b2885d6bef949f6787feba7dad46563

SHA512
2060f2cc8c90181dd0a9965f0ff3a94aece08c82c4a68454846f66778bc60dade3ba5ddc38be57311ff4a7bd78217b89a9cd09837eee4b5d9893277299dad415

Download Submit
C:\Windows\SysWOW64\btyhcpfwlc.exe

Filesize
92KB

MD5
59ebf1358a9b829f5709baaedeeee6fa

SHA1
1409fd65da1b814db0a08feae54366dfca196f1c

SHA256
d251f3126813d9f42461b0d23153c37c405979347a47fb0f04e0503beaf31a06

SHA512
a2d71b94a087aa6d376f4f065d9f7ff987fd50ea93949372fa9ef5b6692b45cef7ae267c88376b9d2953e4476496f67af1173e9f0f8ba81101dc94c6872cf417

Download Submit
memory/4456-48-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-150-0x00007FF9AA990000-0x00007FF9AA9A0000-memory.dmp

Filesize
64KB

Download
memory/4456-46-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-55-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-57-0x00007FF9A88E0000-0x00007FF9A88F0000-memory.dmp

Filesize
64KB

Download
memory/4456-59-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-60-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-58-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-56-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-54-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-52-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-51-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-50-0x00007FF9A88E0000-0x00007FF9A88F0000-memory.dmp

Filesize
64KB

Download
memory/4456-45-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-53-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-43-0x00007FF9AA990000-0x00007FF9AA9A0000-memory.dmp

Filesize
64KB

Download
memory/4456-49-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-42-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-41-0x00007FF9AA990000-0x00007FF9AA9A0000-memory.dmp

Filesize
64KB

Download
memory/4456-40-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-38-0x00007FF9AA990000-0x00007FF9AA9A0000-memory.dmp

Filesize
64KB

Download
memory/4456-37-0x00007FF9AA990000-0x00007FF9AA9A0000-memory.dmp

Filesize
64KB

Download
memory/4456-47-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-44-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-39-0x00007FF9AA990000-0x00007FF9AA9A0000-memory.dmp

Filesize
64KB

Download
memory/4456-128-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-154-0x00007FF9EA910000-0x00007FF9EAB05000-memory.dmp

Filesize
2.0MB

Download
memory/4456-153-0x00007FF9AA990000-0x00007FF9AA9A0000-memory.dmp

Filesize
64KB

Download
memory/4456-152-0x00007FF9AA990000-0x00007FF9AA9A0000-memory.dmp

Filesize
64KB

Download
memory/4456-151-0x00007FF9AA990000-0x00007FF9AA9A0000-memory.dmp

Filesize
64KB

Download
memory/4680-0-0x0000000000400000-0x0000000000496000-memory.dmp

Filesize
600KB

Download

Analysis

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