4c6464e472c0b92872637dfa5e52cc85c0085bafb103cd924199c9fcc49e54ad

Analysis

max time kernel
143s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/03/2024, 20:24

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General

Target

bcb8d7a53953e95be674eed01818bbf6.exe
Size

695KB
MD5

bcb8d7a53953e95be674eed01818bbf6
SHA1

f58c16e1809a4f6cf42e655f52f3c062afb43869
SHA256

4c6464e472c0b92872637dfa5e52cc85c0085bafb103cd924199c9fcc49e54ad
SHA512

3ad305ed7a09bd4a163a48b7142b3d865d62858e0141580c0ca739397e281bd8aa25c40f508d7c01c21dd941f3cf60a183c337561b1c7e4b0e110b96a8b6cf5c
SSDEEP

12288:UsfLEtC11+Ijp3p2/534mWRe9Opi4/n1ZCWXzF3Z4mxxp7Hl8xGhGqupSIu:H5TpeVWAlGrXQmXp7l8EIu

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2628	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2616	windwos.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	windwos.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\windwos.exe	bcb8d7a53953e95be674eed01818bbf6.exe
File created	C:\Windows\uninstal.bat	bcb8d7a53953e95be674eed01818bbf6.exe
File created	C:\Windows\windwos.exe	bcb8d7a53953e95be674eed01818bbf6.exe

Modifies data under HKEY_USERS 28 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-5a-bd-a4-4e-e1\WpadDecisionReason = "1"	windwos.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-5a-bd-a4-4e-e1\WpadDecisionTime = 603b0ec65f72da01	windwos.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	windwos.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	windwos.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	windwos.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	windwos.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	windwos.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A923B1D-C92F-45D4-9F9F-E7435FE5ECBE}\WpadDecisionReason = "1"	windwos.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-5a-bd-a4-4e-e1\WpadDecisionTime = 006d83f75f72da01	windwos.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A923B1D-C92F-45D4-9F9F-E7435FE5ECBE}\WpadDecisionTime = 006d83f75f72da01	windwos.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	windwos.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A923B1D-C92F-45D4-9F9F-E7435FE5ECBE}\WpadDecisionTime = 603b0ec65f72da01	windwos.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A923B1D-C92F-45D4-9F9F-E7435FE5ECBE}	windwos.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A923B1D-C92F-45D4-9F9F-E7435FE5ECBE}\fe-5a-bd-a4-4e-e1	windwos.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	windwos.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0086000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	windwos.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	windwos.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-5a-bd-a4-4e-e1	windwos.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-5a-bd-a4-4e-e1\WpadDetectedUrl	windwos.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	windwos.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	windwos.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0086000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	windwos.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A923B1D-C92F-45D4-9F9F-E7435FE5ECBE}\WpadDecision = "0"	windwos.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-5a-bd-a4-4e-e1\WpadDecision = "0"	windwos.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	windwos.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A923B1D-C92F-45D4-9F9F-E7435FE5ECBE}\WpadNetworkName = "Network 3"	windwos.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	windwos.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	windwos.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1908	bcb8d7a53953e95be674eed01818bbf6.exe
Token: SeDebugPrivilege	2616	windwos.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2616	windwos.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2520	2616	windwos.exe	29
PID 2616 wrote to memory of 2520	2616	windwos.exe	29
PID 2616 wrote to memory of 2520	2616	windwos.exe	29
PID 2616 wrote to memory of 2520	2616	windwos.exe	29
PID 1908 wrote to memory of 2628	1908	bcb8d7a53953e95be674eed01818bbf6.exe	30
PID 1908 wrote to memory of 2628	1908	bcb8d7a53953e95be674eed01818bbf6.exe	30
PID 1908 wrote to memory of 2628	1908	bcb8d7a53953e95be674eed01818bbf6.exe	30
PID 1908 wrote to memory of 2628	1908	bcb8d7a53953e95be674eed01818bbf6.exe	30
PID 1908 wrote to memory of 2628	1908	bcb8d7a53953e95be674eed01818bbf6.exe	30
PID 1908 wrote to memory of 2628	1908	bcb8d7a53953e95be674eed01818bbf6.exe	30
PID 1908 wrote to memory of 2628	1908	bcb8d7a53953e95be674eed01818bbf6.exe	30

C:\Users\Admin\AppData\Local\Temp\bcb8d7a53953e95be674eed01818bbf6.exe
"C:\Users\Admin\AppData\Local\Temp\bcb8d7a53953e95be674eed01818bbf6.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\uninstal.bat
  2⤵
  - Deletes itself
  PID:2628

C:\Windows\windwos.exe
C:\Windows\windwos.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  PID:2520

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\uninstal.bat

Filesize
190B

MD5
ab83ea631b923ac15c1e165c931bb4d0

SHA1
3df5372540c083e82191cc83e59677a1c9256264

SHA256
2f5860ac9eff7a3d5fc765d9db5c158b750d42bcfac9c05bb516657bfcb122e7

SHA512
559e3535f55321e775a30e61678e639dda2d847c769b826748f5c1a59278b05331329039b3cd3459790d5b361068d36293886e35b26e4e2ab0ebedb0b75884fe

Download Submit
C:\Windows\windwos.exe

Filesize
695KB

MD5
bcb8d7a53953e95be674eed01818bbf6

SHA1
f58c16e1809a4f6cf42e655f52f3c062afb43869

SHA256
4c6464e472c0b92872637dfa5e52cc85c0085bafb103cd924199c9fcc49e54ad

SHA512
3ad305ed7a09bd4a163a48b7142b3d865d62858e0141580c0ca739397e281bd8aa25c40f508d7c01c21dd941f3cf60a183c337561b1c7e4b0e110b96a8b6cf5c

Download Submit
memory/1908-11-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/1908-13-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/1908-5-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1908-4-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/1908-7-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/1908-24-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/1908-23-0x00000000023D0000-0x00000000023D1000-memory.dmp

Filesize
4KB

Download
memory/1908-22-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/1908-21-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/1908-20-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/1908-19-0x0000000000960000-0x0000000000961000-memory.dmp

Filesize
4KB

Download
memory/1908-18-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1908-17-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/1908-16-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/1908-15-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1908-14-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1908-10-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/1908-12-0x00000000005D0000-0x00000000005D1000-memory.dmp

Filesize
4KB

Download
memory/1908-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1908-0-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/1908-25-0x0000000002400000-0x0000000002401000-memory.dmp

Filesize
4KB

Download
memory/1908-8-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/1908-6-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1908-9-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/1908-2-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1908-44-0x0000000000280000-0x00000000002D4000-memory.dmp

Filesize
336KB

Download
memory/1908-43-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/1908-1-0x0000000000280000-0x00000000002D4000-memory.dmp

Filesize
336KB

Download
memory/2616-34-0x0000000003180000-0x0000000003181000-memory.dmp

Filesize
4KB

Download
memory/2616-33-0x0000000003180000-0x0000000003181000-memory.dmp

Filesize
4KB

Download
memory/2616-35-0x00000000022E0000-0x00000000022E1000-memory.dmp

Filesize
4KB

Download
memory/2616-32-0x0000000003180000-0x0000000003181000-memory.dmp

Filesize
4KB

Download
memory/2616-30-0x0000000000580000-0x00000000005D4000-memory.dmp

Filesize
336KB

Download
memory/2616-29-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/2616-46-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/2616-48-0x0000000003180000-0x0000000003181000-memory.dmp

Filesize
4KB

Download
memory/2616-47-0x0000000000580000-0x00000000005D4000-memory.dmp

Filesize
336KB

Download
memory/2616-50-0x00000000022E0000-0x00000000022E1000-memory.dmp

Filesize
4KB

Download
memory/2616-53-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download