af4371a739d4a58f572705594b3c57f3e6934367ad1722cc56f9e6468ff701b6

Analysis

max time kernel
64s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25-11-2022 23:55

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General

Target

jycms/捷扬文章系统0.4.1/程序文件/lpk.dll
Size

217KB
MD5

aa28054265b1c2fb7748fb21ab5984a7
SHA1

2fd0396a49a7024ce53783995c4b288e7c596342
SHA256

004785903afd37cace27aae4ed28b2130c2691798b82132debb42659d223b615
SHA512

aaa000f7947a92e834b3175facfcefd1d9f53e3204f1b26f10c19c4c1b5ea720b6d6fc45d88a909ca0dbe425c39a6885496f8673e4ff1ebff6a709a351322e28
SSDEEP

6144:u24mCyHAWyPgWITYJ0Ax9N17xM2lxq27Wo/GEvdt:u24xvPgWGYj9X7xM2Lq27D/GEvdt

Score

9^/10

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral11/files/0x001b00000001249b-63.dat	acprotect
behavioral11/files/0x0006000000014622-69.dat	acprotect

Executes dropped EXE 2 IoCs

pid	Process
1712	hrl9703.tmp
1744	dolvgi.exe

Loads dropped DLL 4 IoCs

pid	Process
2036	rundll32.exe
2036	rundll32.exe
1712	hrl9703.tmp
1744	dolvgi.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\dolvgi.exe	hrl9703.tmp
File opened for modification	C:\Windows\SysWOW64\dolvgi.exe	hrl9703.tmp

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1744 set thread context of 1480	1744	dolvgi.exe	31

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1712	hrl9703.tmp

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1712	hrl9703.tmp
1744	dolvgi.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 2036	1052	rundll32.exe	27
PID 1052 wrote to memory of 2036	1052	rundll32.exe	27
PID 1052 wrote to memory of 2036	1052	rundll32.exe	27
PID 1052 wrote to memory of 2036	1052	rundll32.exe	27
PID 1052 wrote to memory of 2036	1052	rundll32.exe	27
PID 1052 wrote to memory of 2036	1052	rundll32.exe	27
PID 1052 wrote to memory of 2036	1052	rundll32.exe	27
PID 2036 wrote to memory of 1712	2036	rundll32.exe	29
PID 2036 wrote to memory of 1712	2036	rundll32.exe	29
PID 2036 wrote to memory of 1712	2036	rundll32.exe	29
PID 2036 wrote to memory of 1712	2036	rundll32.exe	29
PID 1744 wrote to memory of 1480	1744	dolvgi.exe	31
PID 1744 wrote to memory of 1480	1744	dolvgi.exe	31
PID 1744 wrote to memory of 1480	1744	dolvgi.exe	31
PID 1744 wrote to memory of 1480	1744	dolvgi.exe	31
PID 1744 wrote to memory of 1480	1744	dolvgi.exe	31
PID 1744 wrote to memory of 1480	1744	dolvgi.exe	31
PID 1712 wrote to memory of 1796	1712	hrl9703.tmp	32
PID 1712 wrote to memory of 1796	1712	hrl9703.tmp	32
PID 1712 wrote to memory of 1796	1712	hrl9703.tmp	32
PID 1712 wrote to memory of 1796	1712	hrl9703.tmp	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\jycms\捷扬文章系统0.4.1\程序文件\lpk.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\jycms\捷扬文章系统0.4.1\程序文件\lpk.dll,#1
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2036
- - C:\Users\Admin\AppData\Local\Temp\hrl9703.tmp
    C:\Users\Admin\AppData\Local\Temp\hrl9703.tmp
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1712
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\hrl9703.tmp > nul
      4⤵
      PID:1796

C:\Windows\SysWOW64\dolvgi.exe
C:\Windows\SysWOW64\dolvgi.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:1480

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hrl9703.tmp

Filesize
209KB

MD5
e22252dba6642b4247d7ba4ca0411ab9

SHA1
5b3a1dab65446d2a1e27edccf87304d0bc6335dc

SHA256
947c45d867a0b95b08ec84cb21dc96e8557e2450dcb2853d7c8d1f7a58d00848

SHA512
e7a1bf3820df573412452173976ad48d137d1e456b361c6079167f5dceecd912a4ff5e0023bec9564fb9cedde42fb4dab55c0ca6c380fa8186c614f2d7f4332e

Download Submit
C:\Users\Admin\AppData\Local\Temp\hrl9703.tmp

Filesize
209KB

MD5
e22252dba6642b4247d7ba4ca0411ab9

SHA1
5b3a1dab65446d2a1e27edccf87304d0bc6335dc

SHA256
947c45d867a0b95b08ec84cb21dc96e8557e2450dcb2853d7c8d1f7a58d00848

SHA512
e7a1bf3820df573412452173976ad48d137d1e456b361c6079167f5dceecd912a4ff5e0023bec9564fb9cedde42fb4dab55c0ca6c380fa8186c614f2d7f4332e

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

Filesize
209KB

MD5
e22252dba6642b4247d7ba4ca0411ab9

SHA1
5b3a1dab65446d2a1e27edccf87304d0bc6335dc

SHA256
947c45d867a0b95b08ec84cb21dc96e8557e2450dcb2853d7c8d1f7a58d00848

SHA512
e7a1bf3820df573412452173976ad48d137d1e456b361c6079167f5dceecd912a4ff5e0023bec9564fb9cedde42fb4dab55c0ca6c380fa8186c614f2d7f4332e

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

Filesize
209KB

MD5
e22252dba6642b4247d7ba4ca0411ab9

SHA1
5b3a1dab65446d2a1e27edccf87304d0bc6335dc

SHA256
947c45d867a0b95b08ec84cb21dc96e8557e2450dcb2853d7c8d1f7a58d00848

SHA512
e7a1bf3820df573412452173976ad48d137d1e456b361c6079167f5dceecd912a4ff5e0023bec9564fb9cedde42fb4dab55c0ca6c380fa8186c614f2d7f4332e

Download Submit
\Users\Admin\AppData\Local\Temp\hrl9703.tmp

Filesize
209KB

MD5
e22252dba6642b4247d7ba4ca0411ab9

SHA1
5b3a1dab65446d2a1e27edccf87304d0bc6335dc

SHA256
947c45d867a0b95b08ec84cb21dc96e8557e2450dcb2853d7c8d1f7a58d00848

SHA512
e7a1bf3820df573412452173976ad48d137d1e456b361c6079167f5dceecd912a4ff5e0023bec9564fb9cedde42fb4dab55c0ca6c380fa8186c614f2d7f4332e

Download Submit
\Users\Admin\AppData\Local\Temp\hrl9703.tmp

Filesize
209KB

MD5
e22252dba6642b4247d7ba4ca0411ab9

SHA1
5b3a1dab65446d2a1e27edccf87304d0bc6335dc

SHA256
947c45d867a0b95b08ec84cb21dc96e8557e2450dcb2853d7c8d1f7a58d00848

SHA512
e7a1bf3820df573412452173976ad48d137d1e456b361c6079167f5dceecd912a4ff5e0023bec9564fb9cedde42fb4dab55c0ca6c380fa8186c614f2d7f4332e

Download Submit
\Users\Admin\AppData\Local\Temp\vpk98D7.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
\Windows\Temp\tqkA5C2.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
memory/1480-73-0x000000000040C000-mapping.dmp

Download
memory/1480-72-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1480-70-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1712-59-0x0000000000000000-mapping.dmp

Download
memory/1712-65-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1712-64-0x0000000000310000-0x0000000000383000-memory.dmp

Filesize
460KB

Download
memory/1712-78-0x0000000000310000-0x0000000000383000-memory.dmp

Filesize
460KB

Download
memory/1712-79-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1744-74-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1744-75-0x00000000002E0000-0x0000000000353000-memory.dmp

Filesize
460KB

Download
memory/1744-76-0x00000000002E0000-0x0000000000353000-memory.dmp

Filesize
460KB

Download
memory/1796-77-0x0000000000000000-mapping.dmp

Download
memory/2036-54-0x0000000000000000-mapping.dmp

Download
memory/2036-57-0x0000000000230000-0x000000000023D000-memory.dmp

Filesize
52KB

Download
memory/2036-55-0x0000000075291000-0x0000000075293000-memory.dmp

Filesize
8KB

Download