1d0128fd3184a765076397dd308e51bbc578a3639cb9c08ab6b5c36704d772b4

Resubmissions

14/11/2023, 17:31

231114-v3qg7acf42 10

14/11/2023, 17:21

28/10/2023, 19:29

24/10/2023, 13:29

18/10/2023, 12:04

07/09/2023, 12:10

Analysis

max time kernel
27s
max time network
19s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
07/09/2023, 12:10

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General

Target

cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe
Size

88KB
MD5

424e86efb06533cefc14e07a8d6490d6
SHA1

4d96bc9de18c5018ad80b4e8667ec102e4d0bb97
SHA256

cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29
SHA512

d9b4bec57d9eb253bcbbc7a25a7b5bb8129b347f2fe0de2eaa13002c0b5edcd947bafdd25d8fa942b0fcd8bd801d9f71e50bf5606280ab6eb76034cb7c5fab7d
SSDEEP

1536:JWxdI55EhugTp7mjZDqxFJZgi01T1vStzS2IoBwiQV4CSeCO54wc+bqDjzBNL0Hm:JUdMCg6pi1eFJKTSudVXV3bSCYjzBNLF

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2692	Lserv.exe
2712	Lserv.exe

Loads dropped DLL 4 IoCs

pid	Process
2036	cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe
2036	cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe
2692	Lserv.exe
2692	Lserv.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Lserv.exe	cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe
File opened for modification	C:\Windows\SysWOW64\Lserv.exe	Lserv.exe
File created	C:\Windows\SysWOW64\Lserv.exe	Lserv.exe
File opened for modification	C:\Windows\SysWOW64\Lserv.exe	Lserv.exe
File created	C:\Windows\SysWOW64\Lserv.exe	Lserv.exe
File created	C:\Windows\SysWOW64\Lserv.exe	cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2692	2036	cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe	28
PID 2036 wrote to memory of 2692	2036	cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe	28
PID 2036 wrote to memory of 2692	2036	cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe	28
PID 2036 wrote to memory of 2692	2036	cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe	28
PID 2692 wrote to memory of 2712	2692	Lserv.exe	29
PID 2692 wrote to memory of 2712	2692	Lserv.exe	29
PID 2692 wrote to memory of 2712	2692	Lserv.exe	29
PID 2692 wrote to memory of 2712	2692	Lserv.exe	29

C:\Users\Admin\AppData\Local\Temp\cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe
"C:\Users\Admin\AppData\Local\Temp\cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\Lserv.exe
  C:\Windows\system32\Lserv.exe 480 "C:\Users\Admin\AppData\Local\Temp\cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\Lserv.exe
    C:\Windows\system32\Lserv.exe 528 "C:\Windows\SysWOW64\Lserv.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    PID:2712

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Lserv.exe

Filesize
88KB

MD5
424e86efb06533cefc14e07a8d6490d6

SHA1
4d96bc9de18c5018ad80b4e8667ec102e4d0bb97

SHA256
cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29

SHA512
d9b4bec57d9eb253bcbbc7a25a7b5bb8129b347f2fe0de2eaa13002c0b5edcd947bafdd25d8fa942b0fcd8bd801d9f71e50bf5606280ab6eb76034cb7c5fab7d

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

Filesize
88KB

MD5
424e86efb06533cefc14e07a8d6490d6

SHA1
4d96bc9de18c5018ad80b4e8667ec102e4d0bb97

SHA256
cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29

SHA512
d9b4bec57d9eb253bcbbc7a25a7b5bb8129b347f2fe0de2eaa13002c0b5edcd947bafdd25d8fa942b0fcd8bd801d9f71e50bf5606280ab6eb76034cb7c5fab7d

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

Filesize
88KB

MD5
424e86efb06533cefc14e07a8d6490d6

SHA1
4d96bc9de18c5018ad80b4e8667ec102e4d0bb97

SHA256
cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29

SHA512
d9b4bec57d9eb253bcbbc7a25a7b5bb8129b347f2fe0de2eaa13002c0b5edcd947bafdd25d8fa942b0fcd8bd801d9f71e50bf5606280ab6eb76034cb7c5fab7d

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

Filesize
88KB

MD5
424e86efb06533cefc14e07a8d6490d6

SHA1
4d96bc9de18c5018ad80b4e8667ec102e4d0bb97

SHA256
cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29

SHA512
d9b4bec57d9eb253bcbbc7a25a7b5bb8129b347f2fe0de2eaa13002c0b5edcd947bafdd25d8fa942b0fcd8bd801d9f71e50bf5606280ab6eb76034cb7c5fab7d

Download Submit
\Windows\SysWOW64\Lserv.exe

Filesize
88KB

MD5
424e86efb06533cefc14e07a8d6490d6

SHA1
4d96bc9de18c5018ad80b4e8667ec102e4d0bb97

SHA256
cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29

SHA512
d9b4bec57d9eb253bcbbc7a25a7b5bb8129b347f2fe0de2eaa13002c0b5edcd947bafdd25d8fa942b0fcd8bd801d9f71e50bf5606280ab6eb76034cb7c5fab7d

Download Submit
\Windows\SysWOW64\Lserv.exe

Filesize
88KB

MD5
424e86efb06533cefc14e07a8d6490d6

SHA1
4d96bc9de18c5018ad80b4e8667ec102e4d0bb97

SHA256
cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29

SHA512
d9b4bec57d9eb253bcbbc7a25a7b5bb8129b347f2fe0de2eaa13002c0b5edcd947bafdd25d8fa942b0fcd8bd801d9f71e50bf5606280ab6eb76034cb7c5fab7d

Download Submit
\Windows\SysWOW64\Lserv.exe

Filesize
88KB

MD5
424e86efb06533cefc14e07a8d6490d6

SHA1
4d96bc9de18c5018ad80b4e8667ec102e4d0bb97

SHA256
cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29

SHA512
d9b4bec57d9eb253bcbbc7a25a7b5bb8129b347f2fe0de2eaa13002c0b5edcd947bafdd25d8fa942b0fcd8bd801d9f71e50bf5606280ab6eb76034cb7c5fab7d

Download Submit
\Windows\SysWOW64\Lserv.exe

Filesize
88KB

MD5
424e86efb06533cefc14e07a8d6490d6

SHA1
4d96bc9de18c5018ad80b4e8667ec102e4d0bb97

SHA256
cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29

SHA512
d9b4bec57d9eb253bcbbc7a25a7b5bb8129b347f2fe0de2eaa13002c0b5edcd947bafdd25d8fa942b0fcd8bd801d9f71e50bf5606280ab6eb76034cb7c5fab7d

Download Submit
memory/2036-10-0x0000000001E20000-0x0000000001EA2000-memory.dmp

Filesize
520KB

Download
memory/2036-0-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2036-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2692-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2692-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2712-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2712-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download