orcus | 6b8848b38b3e239a0df83efc456ad22bf5e59e7145b59d1f8e154881ebb9f8e3

Analysis

max time kernel
150s
max time network
140s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 14:37

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General

Target

File.exe
Size

6.9MB
MD5

5eecc13df41c8e6967f8a3ecb1d0cda9
SHA1

8ac9ce30344f976a09da51da509dee5d2b0e8723
SHA256

6b8848b38b3e239a0df83efc456ad22bf5e59e7145b59d1f8e154881ebb9f8e3
SHA512

24c981ad16a5bc65738127dc27f2c804f4678671a8c13ff60ef2edcf795b8b6d505d121f407514dfbe7853b5d7577299ae30832319d21e83c5c18f5c638382d1
SSDEEP

196608:2ALE6dWjWnulUCK9vDfaa1RkYP60bs25rXSNBl66Wncma:k6fuiPrfZ1RBP60bs25rXQ66WnG

Score

10^/10

orcus discovery rat spyware stealer

Malware Config

Extracted

Family

orcus

45.74.38.211:4782

Mutex

7a9c0f279c464958aebbd585f20f1cf2

Attributes

autostart_method
Disable
enable_keylogger
false
install_path
%programfiles%\Orcus\Orcus.exe
reconnect_delay
10000
registry_keyname
Orcus
taskscheduler_taskname
Orcus
watchdog_path
AppData\OrcusWatchdog.exe

Signatures

Orcus
Orcus is a Remote Access Trojan that is being sold on underground forums.
rat spyware stealer orcus
Orcus family
orcus

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

Dr.com

description	pid	Process	procid_target
PID 1788 created 1196	1788	Dr.com	21

Orcurs Rat Executable 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1848-373-0x00000000004D0000-0x00000000008D4000-memory.dmp	orcus
behavioral1/memory/1848-375-0x00000000004D0000-0x00000000008D4000-memory.dmp	orcus
behavioral1/memory/1848-376-0x00000000004D0000-0x00000000008D4000-memory.dmp	orcus

Deletes itself 1 IoCs

Processes:

Dr.com

pid	Process
1788	Dr.com

Executes dropped EXE 2 IoCs

Processes:

Dr.comRegAsm.exe

pid	Process
1788	Dr.com
1848	RegAsm.exe

Loads dropped DLL 3 IoCs

Processes:

cmd.exeDr.comRegAsm.exe

pid	Process
2016	cmd.exe
1788	Dr.com
1848	RegAsm.exe

Enumerates processes with tasklist 1 TTPs 2 IoCs

discovery

Process Discovery

T1057

Processes:

tasklist.exetasklist.exe

pid	Process
1140	tasklist.exe
1520	tasklist.exe

Drops file in Windows directory 2 IoCs

Processes:

File.exe

description	ioc	Process
File opened for modification	C:\Windows\MovieArchives	File.exe
File opened for modification	C:\Windows\PackageExpression	File.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 14 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

Processes:

tasklist.execmd.exechoice.exeRegAsm.exetasklist.exefindstr.execmd.exeFile.exeDr.comcmd.exeschtasks.execmd.exefindstr.exeschtasks.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tasklist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	File.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dr.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exeschtasks.exe

pid	Process
2720	schtasks.exe
2916	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

Dr.com

pid	Process
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com
1788	Dr.com

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

tasklist.exetasklist.exeRegAsm.exe

description	pid	Process
Token: SeDebugPrivilege	1140	tasklist.exe
Token: SeDebugPrivilege	1520	tasklist.exe
Token: SeDebugPrivilege	1848	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

Dr.com

pid	Process
1788	Dr.com
1788	Dr.com
1788	Dr.com

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

Dr.com

pid	Process
1788	Dr.com
1788	Dr.com
1788	Dr.com

Suspicious use of WriteProcessMemory 57 IoCs

Processes:

File.execmd.exeDr.comcmd.exe

description	pid	Process	procid_target
PID 1076 wrote to memory of 2016	1076	File.exe	30
PID 1076 wrote to memory of 2016	1076	File.exe	30
PID 1076 wrote to memory of 2016	1076	File.exe	30
PID 1076 wrote to memory of 2016	1076	File.exe	30
PID 2016 wrote to memory of 1140	2016	cmd.exe	32
PID 2016 wrote to memory of 1140	2016	cmd.exe	32
PID 2016 wrote to memory of 1140	2016	cmd.exe	32
PID 2016 wrote to memory of 1140	2016	cmd.exe	32
PID 2016 wrote to memory of 2820	2016	cmd.exe	33
PID 2016 wrote to memory of 2820	2016	cmd.exe	33
PID 2016 wrote to memory of 2820	2016	cmd.exe	33
PID 2016 wrote to memory of 2820	2016	cmd.exe	33
PID 2016 wrote to memory of 1520	2016	cmd.exe	35
PID 2016 wrote to memory of 1520	2016	cmd.exe	35
PID 2016 wrote to memory of 1520	2016	cmd.exe	35
PID 2016 wrote to memory of 1520	2016	cmd.exe	35
PID 2016 wrote to memory of 2480	2016	cmd.exe	36
PID 2016 wrote to memory of 2480	2016	cmd.exe	36
PID 2016 wrote to memory of 2480	2016	cmd.exe	36
PID 2016 wrote to memory of 2480	2016	cmd.exe	36
PID 2016 wrote to memory of 1628	2016	cmd.exe	37
PID 2016 wrote to memory of 1628	2016	cmd.exe	37
PID 2016 wrote to memory of 1628	2016	cmd.exe	37
PID 2016 wrote to memory of 1628	2016	cmd.exe	37
PID 2016 wrote to memory of 2404	2016	cmd.exe	38
PID 2016 wrote to memory of 2404	2016	cmd.exe	38
PID 2016 wrote to memory of 2404	2016	cmd.exe	38
PID 2016 wrote to memory of 2404	2016	cmd.exe	38
PID 2016 wrote to memory of 1788	2016	cmd.exe	39
PID 2016 wrote to memory of 1788	2016	cmd.exe	39
PID 2016 wrote to memory of 1788	2016	cmd.exe	39
PID 2016 wrote to memory of 1788	2016	cmd.exe	39
PID 2016 wrote to memory of 2884	2016	cmd.exe	40
PID 2016 wrote to memory of 2884	2016	cmd.exe	40
PID 2016 wrote to memory of 2884	2016	cmd.exe	40
PID 2016 wrote to memory of 2884	2016	cmd.exe	40
PID 1788 wrote to memory of 2912	1788	Dr.com	41
PID 1788 wrote to memory of 2912	1788	Dr.com	41
PID 1788 wrote to memory of 2912	1788	Dr.com	41
PID 1788 wrote to memory of 2912	1788	Dr.com	41
PID 1788 wrote to memory of 2720	1788	Dr.com	43
PID 1788 wrote to memory of 2720	1788	Dr.com	43
PID 1788 wrote to memory of 2720	1788	Dr.com	43
PID 1788 wrote to memory of 2720	1788	Dr.com	43
PID 2912 wrote to memory of 2916	2912	cmd.exe	45
PID 2912 wrote to memory of 2916	2912	cmd.exe	45
PID 2912 wrote to memory of 2916	2912	cmd.exe	45
PID 2912 wrote to memory of 2916	2912	cmd.exe	45
PID 1788 wrote to memory of 1848	1788	Dr.com	47
PID 1788 wrote to memory of 1848	1788	Dr.com	47
PID 1788 wrote to memory of 1848	1788	Dr.com	47
PID 1788 wrote to memory of 1848	1788	Dr.com	47
PID 1788 wrote to memory of 1848	1788	Dr.com	47
PID 1788 wrote to memory of 1848	1788	Dr.com	47
PID 1788 wrote to memory of 1848	1788	Dr.com	47
PID 1788 wrote to memory of 1848	1788	Dr.com	47
PID 1788 wrote to memory of 1848	1788	Dr.com	47

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\File.exe
  "C:\Users\Admin\AppData\Local\Temp\File.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1076
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy Audit Audit.cmd && Audit.cmd
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2016
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist
      4⤵
      Enumerates processes with tasklist
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:1140
  - - C:\Windows\SysWOW64\findstr.exe
      findstr /I "wrsa opssvc"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2820
  - - C:\Windows\SysWOW64\tasklist.exe
      tasklist
      4⤵
      Enumerates processes with tasklist
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:1520
  - - C:\Windows\SysWOW64\findstr.exe
      findstr "AvastUI AVGUI bdservicehost nsWscSvc ekrn SophosHealth"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2480
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c md 491505
      4⤵
      System Location Discovery: System Language Discovery
      PID:1628
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c copy /b ..\Dentists + ..\Flavor + ..\Disturbed + ..\Artistic + ..\Justice + ..\Proceeds + ..\Zip + ..\Soundtrack + ..\Revenue B
      4⤵
      System Location Discovery: System Language Discovery
      PID:2404
  - - C:\Users\Admin\AppData\Local\Temp\491505\Dr.com
      Dr.com B
      4⤵
      Suspicious use of NtCreateUserProcessOtherParentProcess
      Deletes itself
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      Suspicious use of WriteProcessMemory
      PID:1788
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks.exe /create /tn "ApolloPro" /tr "wscript //B 'C:\Users\Admin\AppData\Local\CreativePixel Tech\ApolloPro.js'" /sc onlogon /F /RL HIGHEST
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2720
    - - C:\Users\Admin\AppData\Local\Temp\491505\RegAsm.exe
        
        C:\Users\Admin\AppData\Local\Temp\491505\RegAsm.exe
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:1848
  - - C:\Windows\SysWOW64\choice.exe
      choice /d y /t 15
      4⤵
      System Location Discovery: System Language Discovery
      PID:2884
- C:\Windows\SysWOW64\cmd.exe
  cmd /c schtasks.exe /create /tn "West" /tr "wscript //B 'C:\Users\Admin\AppData\Local\CreativePixel Tech\ApolloPro.js'" /sc daily /mo 1 /ri 3 /du 23:57 /F /RL HIGHEST
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2912
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /create /tn "West" /tr "wscript //B 'C:\Users\Admin\AppData\Local\CreativePixel Tech\ApolloPro.js'" /sc daily /mo 1 /ri 3 /du 23:57 /F /RL HIGHEST
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Process Discovery

T1057

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\491505\B

Filesize
6.3MB

MD5
0a1e63fc10dd1dbb8b2db81e2388bf99

SHA1
67ad39aabbf4875bc1b165ccd5afc40194d1d3c8

SHA256
122991768f589431b9166a4e22523bf48a53efff73fc2b191955e604196541b7

SHA512
94c50f06e1d157381b9d0746044b5d015e2946b44291d92739783cb3ed9e91371cf7d1b981d3108d910d7a7000810fe69fbe6590f9a84f822b671866ab9db5fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\Artistic

Filesize
720KB

MD5
d35007cc8b2860b1fe9ee861e1f2846d

SHA1
58638fd185601506b3b13fe254065aeb7edff28c

SHA256
de1e4dbe18f0b926b49aceb10157bc7f542409bad6242422efef3b831608a037

SHA512
45f851201656cb19c89274d124a7625a4c9fe12f412616a84458aa1857c61455126264416ff7fa1c9ffa99b994613baecfacd1f8179240a5021c7e5b867ea068

Download Submit
C:\Users\Admin\AppData\Local\Temp\Audit

Filesize
14KB

MD5
9da23439e34b0498b82ae193c5a8f3a8

SHA1
ae20bbe7fac03c94e42f4dd206d89003faae7899

SHA256
0f241cc0324871a1a900a7ac0edf889a8d12875b1072f44856cc979a4b7a77ac

SHA512
cd4b262753b4f5f1dac09c20fa64ebdee00cf4a3fce92287a7439df943ea65bdf8569f541c2668b2164139b91facccfb3c98db8ad8f686637f4e317583cc98a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\Commissioner

Filesize
872KB

MD5
6ee7ddebff0a2b78c7ac30f6e00d1d11

SHA1
f2f57024c7cc3f9ff5f999ee20c4f5c38bfc20a2

SHA256
865347471135bb5459ad0e647e75a14ad91424b6f13a5c05d9ecd9183a8a1cf4

SHA512
57d56de2bb882f491e633972003d7c6562ef2758c3731b913ff4d15379ada575062f4de2a48ca6d6d9241852a5b8a007f52792753fd8d8fee85b9a218714efd0

Download Submit
C:\Users\Admin\AppData\Local\Temp\Dentists

Filesize
915KB

MD5
895c5374a042a9e6c78c673690cd2275

SHA1
9dfe1b532f958f678de2bac7c74646e007a8fa14

SHA256
226099aac21e8d4a671a68b37d204339703fb696b6cc5aa30311fb55d6ab2147

SHA512
130af34bb1d12db8e86b930d8e490754687e1381a0104ac4c98cc2f02ff7fc4ed9e1d549121a013e1c32663a00d1dc8eb20d2f9831feb3c7eb17bf61a1d8d52c

Download Submit
C:\Users\Admin\AppData\Local\Temp\Disturbed

Filesize
903KB

MD5
0e2df9a4f4d78ad0299f0377d417b39e

SHA1
a2452ab3b04b480dfc2a58a416762e280254751f

SHA256
8834f63f09734b9f284437f26cba4909ce9ae1aceafa27e2bcd7531c1a7479df

SHA512
d8194f24cc02fc030c7cf1dab5970257a79b8bcc887a8ff1ccd104e94ea809dcd266b056c80e6a0e73cba71f81e654389025c939e3135f6fafca9d51737812b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\Flavor

Filesize
594KB

MD5
d9182f7a263f19b9876e7e1568e6c760

SHA1
d0683b5a7247a2f4a69473165d2c2649f2e1c01f

SHA256
4efff79e94f136f9bbaed62501810937785831b8c10ee9eb675ceae24cf3c4c9

SHA512
85582b94da822580eb26bc477440d87fb0a9ed98e3b75166cd96c2a18c88367c8bdd808fc43c52c2078e625efd81983e9f2e733272289833700649ad58a96a9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Justice

Filesize
848KB

MD5
774df02c553d130dde3aa7496b64ebed

SHA1
e2a4aab8c3b654bd022662045fa70413a80e55f9

SHA256
ae9283c1a14b751639a75592295d85105954b761737ab77fc1e667a1498f2e9e

SHA512
c132cdf383e4fa32362d50768898ed9c6cd1e306056d066168a8ac1ee3ea7953424ff3b241ff1e0376b99b91f566b698bfef07da9bc45471097a6637dc154d11

Download Submit
C:\Users\Admin\AppData\Local\Temp\Proceeds

Filesize
853KB

MD5
de061b898e12d89c92409f220918347f

SHA1
6b571edab30dcc4d5518e5bebb296d1f7bf5414c

SHA256
70fda66f3ea2607d6cff63d0a6a7258577690d2a9bc5105bb529889ce025d1c2

SHA512
61d94f04572643dc4274aedda51e7cb6bcccefcfa4556e6d87f94195ddf90ffbeb65909688c7bc3407f244021cc6dff0c8692fd7835ee61e6a43a0394a693a2b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Revenue

Filesize
396KB

MD5
aabc90b85b9c3b51543de0339d29778e

SHA1
299f5e2ca9326e0a5feefb4fc7b05da93cfd11a1

SHA256
9a0a3567f4c9b9ca46fbf41d65cdd5ce464b0efe42d6aaf7cff840addbe05d60

SHA512
3d951489d7d46874909bfd82e9cac346bdd15bbb485fc76e1ed7d6fe7bb51a7649d1f649b75bb6f6f1b6f10ea16113cd01c20aa7ea85d038fcb7fe317082edf3

Download Submit
C:\Users\Admin\AppData\Local\Temp\Soundtrack

Filesize
582KB

MD5
b75737c804ca9949cc63bd42c945a5e6

SHA1
75c0490174adc40d1824b1024021b82dd5c762b7

SHA256
628068ee856d68776d6e9b755cd42d7a5a46af1a2a6a2c22e65db95b5d2d8f2c

SHA512
58fedd2bd6318d4b93de429d184701e059321c16872cafc978837c29985404bf432e4a2701894f7f67045f9684da40c8e14f9f557da3398c5d6eeca2e18faca7

Download Submit
C:\Users\Admin\AppData\Local\Temp\Zip

Filesize
622KB

MD5
84f05dddefb1c72567827be553fe67fe

SHA1
c2ebcc4de3439a8206aa8faac90312bfb207ce4f

SHA256
b7de8d92196f323eb9a6237b9e902461569fd093b36e1988dee9de2ab157bb12

SHA512
99954fa07fe7cc0e54dbd0af09b32507cd998c8b44cb63f1ffe8e30667b6d1bb0949a6c95b60e40e73f0b0bb3f11e79f8fa23f696032118210cd10f03eec2904

Download Submit
\Users\Admin\AppData\Local\Temp\491505\RegAsm.exe

Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
memory/1848-373-0x00000000004D0000-0x00000000008D4000-memory.dmp

Filesize
4.0MB

Download
memory/1848-375-0x00000000004D0000-0x00000000008D4000-memory.dmp

Filesize
4.0MB

Download
memory/1848-376-0x00000000004D0000-0x00000000008D4000-memory.dmp

Filesize
4.0MB

Download
memory/1848-379-0x0000000000340000-0x000000000034E000-memory.dmp

Filesize
56KB

Download
memory/1848-380-0x0000000000A40000-0x0000000000A9C000-memory.dmp

Filesize
368KB

Download
memory/1848-381-0x00000000008E0000-0x00000000008F2000-memory.dmp

Filesize
72KB

Download
memory/1848-385-0x0000000000970000-0x0000000000988000-memory.dmp

Filesize
96KB

Download
memory/1848-384-0x0000000000960000-0x0000000000968000-memory.dmp

Filesize
32KB

Download
memory/1848-383-0x0000000000910000-0x0000000000918000-memory.dmp

Filesize
32KB

Download
memory/1848-382-0x0000000000900000-0x0000000000908000-memory.dmp

Filesize
32KB

Download
memory/1848-386-0x0000000000CC0000-0x0000000000CD0000-memory.dmp

Filesize
64KB

Download