c8223069ba9a9a44ca5b0ee8b4d1ead8d066ceb2fa24cf0716ad172d77a31fd0

Analysis

max time kernel
99s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/09/2024, 17:57

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General

Target

LEGEND注册机/1.76 连击版引擎注册/lpk.dll
Size

217KB
MD5

aa28054265b1c2fb7748fb21ab5984a7
SHA1

2fd0396a49a7024ce53783995c4b288e7c596342
SHA256

004785903afd37cace27aae4ed28b2130c2691798b82132debb42659d223b615
SHA512

aaa000f7947a92e834b3175facfcefd1d9f53e3204f1b26f10c19c4c1b5ea720b6d6fc45d88a909ca0dbe425c39a6885496f8673e4ff1ebff6a709a351322e28
SSDEEP

6144:u24mCyHAWyPgWITYJ0Ax9N17xM2lxq27Wo/GEvdt:u24xvPgWGYj9X7xM2Lq27D/GEvdt

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000700000002346f-8.dat	acprotect

Executes dropped EXE 2 IoCs

pid	Process
2640	hrl80A9.tmp
3228	xchlyg.exe

Loads dropped DLL 7 IoCs

pid	Process
2640	hrl80A9.tmp
2640	hrl80A9.tmp
3228	xchlyg.exe
3228	xchlyg.exe
2708	WerFault.exe
2708	WerFault.exe
740	WerFault.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xchlyg.exe	hrl80A9.tmp
File opened for modification	C:\Windows\SysWOW64\xchlyg.exe	hrl80A9.tmp

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3228 set thread context of 3084	3228	xchlyg.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
740	3084	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hrl80A9.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xchlyg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2640	hrl80A9.tmp

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2640	hrl80A9.tmp
3228	xchlyg.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2952 wrote to memory of 3064	2952	rundll32.exe	82
PID 2952 wrote to memory of 3064	2952	rundll32.exe	82
PID 2952 wrote to memory of 3064	2952	rundll32.exe	82
PID 3064 wrote to memory of 2640	3064	rundll32.exe	83
PID 3064 wrote to memory of 2640	3064	rundll32.exe	83
PID 3064 wrote to memory of 2640	3064	rundll32.exe	83
PID 3228 wrote to memory of 3084	3228	xchlyg.exe	85
PID 3228 wrote to memory of 3084	3228	xchlyg.exe	85
PID 3228 wrote to memory of 3084	3228	xchlyg.exe	85
PID 3228 wrote to memory of 3084	3228	xchlyg.exe	85
PID 3228 wrote to memory of 3084	3228	xchlyg.exe	85
PID 2640 wrote to memory of 1736	2640	hrl80A9.tmp	89
PID 2640 wrote to memory of 1736	2640	hrl80A9.tmp	89
PID 2640 wrote to memory of 1736	2640	hrl80A9.tmp	89

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\LEGEND注册机\1.76 连击版引擎注册\lpk.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\LEGEND注册机\1.76 连击版引擎注册\lpk.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3064
- - C:\Users\Admin\AppData\Local\Temp\hrl80A9.tmp
    C:\Users\Admin\AppData\Local\Temp\hrl80A9.tmp
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2640
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\hrl80A9.tmp > nul
      4⤵
      System Location Discovery: System Language Discovery
      PID:1736

C:\Windows\SysWOW64\xchlyg.exe
C:\Windows\SysWOW64\xchlyg.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3228
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:3084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3084 -s 12
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3084 -ip 3084
1⤵
- Loads dropped DLL
PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\hrl80A9.tmp

Filesize
209KB

MD5
e22252dba6642b4247d7ba4ca0411ab9

SHA1
5b3a1dab65446d2a1e27edccf87304d0bc6335dc

SHA256
947c45d867a0b95b08ec84cb21dc96e8557e2450dcb2853d7c8d1f7a58d00848

SHA512
e7a1bf3820df573412452173976ad48d137d1e456b361c6079167f5dceecd912a4ff5e0023bec9564fb9cedde42fb4dab55c0ca6c380fa8186c614f2d7f4332e

Download Submit
C:\Users\Admin\AppData\Local\Temp\umi80C9.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
memory/2640-4-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2640-12-0x0000000002070000-0x00000000020E3000-memory.dmp

Filesize
460KB

Download
memory/2640-13-0x0000000002070000-0x00000000020E3000-memory.dmp

Filesize
460KB

Download
memory/2640-33-0x0000000002070000-0x00000000020E3000-memory.dmp

Filesize
460KB

Download
memory/2640-32-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/3084-24-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/3228-23-0x0000000000970000-0x00000000009E3000-memory.dmp

Filesize
460KB

Download
memory/3228-22-0x0000000000970000-0x00000000009E3000-memory.dmp

Filesize
460KB

Download
memory/3228-30-0x0000000000970000-0x00000000009E3000-memory.dmp

Filesize
460KB

Download
memory/3228-29-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download