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
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
28/10/2023, 19:29

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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 10 IoCs

pid	Process
3216	Lserv.exe
3820	Lserv.exe
2544	Lserv.exe
2584	Lserv.exe
1260	Lserv.exe
1728	Lserv.exe
3008	Lserv.exe
1080	Lserv.exe
4460	Lserv.exe
2448	Lserv.exe

Drops file in System32 directory 22 IoCs

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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 3216	2056	cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe	88
PID 2056 wrote to memory of 3216	2056	cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe	88
PID 2056 wrote to memory of 3216	2056	cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe	88
PID 3216 wrote to memory of 3820	3216	Lserv.exe	91
PID 3216 wrote to memory of 3820	3216	Lserv.exe	91
PID 3216 wrote to memory of 3820	3216	Lserv.exe	91
PID 3820 wrote to memory of 2544	3820	Lserv.exe	94
PID 3820 wrote to memory of 2544	3820	Lserv.exe	94
PID 3820 wrote to memory of 2544	3820	Lserv.exe	94
PID 2544 wrote to memory of 2584	2544	Lserv.exe	97
PID 2544 wrote to memory of 2584	2544	Lserv.exe	97
PID 2544 wrote to memory of 2584	2544	Lserv.exe	97
PID 2584 wrote to memory of 1260	2584	Lserv.exe	98
PID 2584 wrote to memory of 1260	2584	Lserv.exe	98
PID 2584 wrote to memory of 1260	2584	Lserv.exe	98
PID 1260 wrote to memory of 1728	1260	Lserv.exe	99
PID 1260 wrote to memory of 1728	1260	Lserv.exe	99
PID 1260 wrote to memory of 1728	1260	Lserv.exe	99
PID 1728 wrote to memory of 3008	1728	Lserv.exe	100
PID 1728 wrote to memory of 3008	1728	Lserv.exe	100
PID 1728 wrote to memory of 3008	1728	Lserv.exe	100
PID 3008 wrote to memory of 1080	3008	Lserv.exe	101
PID 3008 wrote to memory of 1080	3008	Lserv.exe	101
PID 3008 wrote to memory of 1080	3008	Lserv.exe	101
PID 1080 wrote to memory of 4460	1080	Lserv.exe	102
PID 1080 wrote to memory of 4460	1080	Lserv.exe	102
PID 1080 wrote to memory of 4460	1080	Lserv.exe	102
PID 4460 wrote to memory of 2448	4460	Lserv.exe	103
PID 4460 wrote to memory of 2448	4460	Lserv.exe	103
PID 4460 wrote to memory of 2448	4460	Lserv.exe	103

C:\Users\Admin\AppData\Local\Temp\cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe
"C:\Users\Admin\AppData\Local\Temp\cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\SysWOW64\Lserv.exe
  C:\Windows\system32\Lserv.exe 1152 "C:\Users\Admin\AppData\Local\Temp\cfbcc54f36dbdfc8d78d2be3a6b565f4e25b4d52f51de10ad7e4ca14c7f55d29.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:3216
- - C:\Windows\SysWOW64\Lserv.exe
    C:\Windows\system32\Lserv.exe 1148 "C:\Windows\SysWOW64\Lserv.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - Suspicious use of WriteProcessMemory
    PID:3820
  - - C:\Windows\SysWOW64\Lserv.exe
      C:\Windows\system32\Lserv.exe 1120 "C:\Windows\SysWOW64\Lserv.exe"
      4⤵
      Executes dropped EXE
      Drops file in System32 directory
      Suspicious use of WriteProcessMemory
      PID:2544
    - - C:\Windows\SysWOW64\Lserv.exe
        
        C:\Windows\system32\Lserv.exe 1128 "C:\Windows\SysWOW64\Lserv.exe"
        5⤵
        Executes dropped EXE
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:2584
      - C:\Windows\SysWOW64\Lserv.exe
        
        C:\Windows\system32\Lserv.exe 1124 "C:\Windows\SysWOW64\Lserv.exe"
        6⤵
        Executes dropped EXE
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:1260
        
        C:\Windows\SysWOW64\Lserv.exe
        
        C:\Windows\system32\Lserv.exe 1132 "C:\Windows\SysWOW64\Lserv.exe"
        7⤵
        Executes dropped EXE
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:1728
        
        C:\Windows\SysWOW64\Lserv.exe
        
        C:\Windows\system32\Lserv.exe 1092 "C:\Windows\SysWOW64\Lserv.exe"
        8⤵
        Executes dropped EXE
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:3008
        
        C:\Windows\SysWOW64\Lserv.exe
        
        C:\Windows\system32\Lserv.exe 1140 "C:\Windows\SysWOW64\Lserv.exe"
        9⤵
        Executes dropped EXE
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:1080
        
        C:\Windows\SysWOW64\Lserv.exe
        
        C:\Windows\system32\Lserv.exe 1144 "C:\Windows\SysWOW64\Lserv.exe"
        10⤵
        Executes dropped EXE
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:4460
        
        C:\Windows\SysWOW64\Lserv.exe
        
        C:\Windows\system32\Lserv.exe 1156 "C:\Windows\SysWOW64\Lserv.exe"
        11⤵
        Executes dropped EXE
        Drops file in System32 directory
        
        PID:2448

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
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
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
memory/1080-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1080-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1260-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1260-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1728-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1728-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2056-0-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2056-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2448-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2544-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2544-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2584-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3008-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3008-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3008-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3216-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3820-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3820-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4460-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4460-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download