b8d5e3a2ca9a1e8d3b0ae3784757213161eb0e8dee064bb701d6220aee71df7a

Analysis

max time kernel
119s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/09/2024, 23:04

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General

Target

IS918MPTool_GA_221228A_L85C_Beta_V0=指定/IS918MPTrigger.exe
Size

2.6MB
MD5

b1047b89e5921f218354f26fd29a73d7
SHA1

3d6f2a06d46e0a6538f0a923facd11d8bc0ab4c0
SHA256

f33a68422edfb592a9a51f7532775badc6d8037f5823303f96d41e70b0c64d18
SHA512

f55ff19087c9605af0721edd9254b6ecdc43f522896fc9fd579c22e0af6639563728dd47803ee5bb8de4a8d290247052f626bb315d9a673861938974be13ad4f
SSDEEP

49152:ZCd9yvy5NhpZbTChxKCnFnQXBbrtgb/iQvu0UHOQGP:5vy5NhpZ6hxvWbrtUTrUHOlP

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 6 IoCs

pid	Process
2288	@AE7205.tmp.exe
2756	IS918MPTrigger.exe
892	WdExt.exe
2592	launch.exe
448	wtmps.exe
580	mscaps.exe

Loads dropped DLL 11 IoCs

pid	Process
2816	explorer.exe
2816	explorer.exe
2816	explorer.exe
2288	@AE7205.tmp.exe
284	cmd.exe
284	cmd.exe
892	WdExt.exe
1948	cmd.exe
1948	cmd.exe
604	cmd.exe
604	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Defender Extension = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Defender\\launch.exe\""	launch.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mscaps.exe	wtmps.exe
File opened for modification	C:\Windows\SysWOW64\mscaps.exe	wtmps.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 12 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	WdExt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	launch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wtmps.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mscaps.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IS918MPTrigger.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	@AE7205.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IS918MPTrigger.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2288	@AE7205.tmp.exe
892	WdExt.exe
2592	launch.exe
2592	launch.exe
2592	launch.exe
2592	launch.exe
2592	launch.exe
2592	launch.exe
2592	launch.exe
2592	launch.exe
2592	launch.exe
2592	launch.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2756	IS918MPTrigger.exe
2756	IS918MPTrigger.exe

Suspicious use of WriteProcessMemory 58 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 2816	2784	IS918MPTrigger.exe	30
PID 2784 wrote to memory of 2816	2784	IS918MPTrigger.exe	30
PID 2784 wrote to memory of 2816	2784	IS918MPTrigger.exe	30
PID 2784 wrote to memory of 2816	2784	IS918MPTrigger.exe	30
PID 2784 wrote to memory of 2816	2784	IS918MPTrigger.exe	30
PID 2784 wrote to memory of 2816	2784	IS918MPTrigger.exe	30
PID 2816 wrote to memory of 2288	2816	explorer.exe	31
PID 2816 wrote to memory of 2288	2816	explorer.exe	31
PID 2816 wrote to memory of 2288	2816	explorer.exe	31
PID 2816 wrote to memory of 2288	2816	explorer.exe	31
PID 2816 wrote to memory of 2756	2816	explorer.exe	32
PID 2816 wrote to memory of 2756	2816	explorer.exe	32
PID 2816 wrote to memory of 2756	2816	explorer.exe	32
PID 2816 wrote to memory of 2756	2816	explorer.exe	32
PID 2288 wrote to memory of 284	2288	@AE7205.tmp.exe	33
PID 2288 wrote to memory of 284	2288	@AE7205.tmp.exe	33
PID 2288 wrote to memory of 284	2288	@AE7205.tmp.exe	33
PID 2288 wrote to memory of 284	2288	@AE7205.tmp.exe	33
PID 2288 wrote to memory of 1916	2288	@AE7205.tmp.exe	35
PID 2288 wrote to memory of 1916	2288	@AE7205.tmp.exe	35
PID 2288 wrote to memory of 1916	2288	@AE7205.tmp.exe	35
PID 2288 wrote to memory of 1916	2288	@AE7205.tmp.exe	35
PID 284 wrote to memory of 892	284	cmd.exe	37
PID 284 wrote to memory of 892	284	cmd.exe	37
PID 284 wrote to memory of 892	284	cmd.exe	37
PID 284 wrote to memory of 892	284	cmd.exe	37
PID 892 wrote to memory of 1948	892	WdExt.exe	38
PID 892 wrote to memory of 1948	892	WdExt.exe	38
PID 892 wrote to memory of 1948	892	WdExt.exe	38
PID 892 wrote to memory of 1948	892	WdExt.exe	38
PID 1948 wrote to memory of 2592	1948	cmd.exe	40
PID 1948 wrote to memory of 2592	1948	cmd.exe	40
PID 1948 wrote to memory of 2592	1948	cmd.exe	40
PID 1948 wrote to memory of 2592	1948	cmd.exe	40
PID 1948 wrote to memory of 2592	1948	cmd.exe	40
PID 1948 wrote to memory of 2592	1948	cmd.exe	40
PID 1948 wrote to memory of 2592	1948	cmd.exe	40
PID 2592 wrote to memory of 604	2592	launch.exe	41
PID 2592 wrote to memory of 604	2592	launch.exe	41
PID 2592 wrote to memory of 604	2592	launch.exe	41
PID 2592 wrote to memory of 604	2592	launch.exe	41
PID 2592 wrote to memory of 604	2592	launch.exe	41
PID 2592 wrote to memory of 604	2592	launch.exe	41
PID 2592 wrote to memory of 604	2592	launch.exe	41
PID 604 wrote to memory of 448	604	cmd.exe	43
PID 604 wrote to memory of 448	604	cmd.exe	43
PID 604 wrote to memory of 448	604	cmd.exe	43
PID 604 wrote to memory of 448	604	cmd.exe	43
PID 604 wrote to memory of 448	604	cmd.exe	43
PID 604 wrote to memory of 448	604	cmd.exe	43
PID 604 wrote to memory of 448	604	cmd.exe	43
PID 448 wrote to memory of 580	448	wtmps.exe	44
PID 448 wrote to memory of 580	448	wtmps.exe	44
PID 448 wrote to memory of 580	448	wtmps.exe	44
PID 448 wrote to memory of 580	448	wtmps.exe	44
PID 448 wrote to memory of 580	448	wtmps.exe	44
PID 448 wrote to memory of 580	448	wtmps.exe	44
PID 448 wrote to memory of 580	448	wtmps.exe	44

C:\Users\Admin\AppData\Local\Temp\IS918MPTool_GA_221228A_L85C_Beta_V0=指定\IS918MPTrigger.exe
"C:\Users\Admin\AppData\Local\Temp\IS918MPTool_GA_221228A_L85C_Beta_V0=指定\IS918MPTrigger.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2784
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Users\Admin\AppData\Local\Temp\@AE7205.tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\@AE7205.tmp.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2288
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat" "
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:284
    - - C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe"
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:892
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
        6⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1948
        
        C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe" /i 892
        7⤵
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:2592
        
        C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin2.bat" "
        8⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:604
        
        C:\Users\Admin\AppData\Local\Temp\wtmps.exe
        
        "C:\Users\Admin\AppData\Local\Temp\wtmps.exe"
        9⤵
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:448
        
        C:\Windows\SysWOW64\mscaps.exe
        
        "C:\Windows\system32\mscaps.exe" /C:\Users\Admin\AppData\Local\Temp\wtmps.exe
        10⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:580
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
      4⤵
      System Location Discovery: System Language Discovery
      PID:1916
- - C:\Users\Admin\AppData\Local\Temp\IS918MPTool_GA_221228A_L85C_Beta_V0=指定\IS918MPTrigger.exe
    "C:\Users\Admin\AppData\Local\Temp\IS918MPTool_GA_221228A_L85C_Beta_V0=指定\IS918MPTrigger.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

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\82D6.tmp

Filesize
406B

MD5
37512bcc96b2c0c0cf0ad1ed8cfae5cd

SHA1
edf7f17ce28e1c4c82207cab8ca77f2056ea545c

SHA256
27e678bf5dc82219d6edd744f0b82567a26e40f8a9dcd6487205e13058e3ed1f

SHA512
6d4252ab5aa441a76ce2127224fefcb221259ab4d39f06437b269bd6bfdaae009c8f34e9603ec734159553bc9f1359bdd70316cd426d73b171a9f17c41077641

Download Submit
C:\Users\Admin\AppData\Local\Temp\@AE7205.tmp.exe

Filesize
1.8MB

MD5
679f095845eff4cf89d7ae4596fe0335

SHA1
9e93d8d386d6bbe1bbb8f097fb78147bb55139b1

SHA256
83abfd7345b7203e18876ba4a3d7f208522c5f841f178ad7429a67f137b37c9b

SHA512
92e9a1a2bde5d2a6eb475aa628277967cddbd7613b3758c7f3f3161ad059cc260bb5987350a13370c1fbb60e55812eee057f020bdb7f8b1311b8b8985bc5e125

Download Submit
C:\Users\Admin\AppData\Local\Temp\IS918MPTool_GA_221228A_L85C_Beta_V0=指定\IS918MPTrigger.exe

Filesize
787KB

MD5
d3157606e61f6974da42fd4a117206f7

SHA1
153f986ca3a9b960386af4bab67e4ae02e5461f6

SHA256
c21f04841f7e628b3193c1ec3a3aea53cd22a160d5a638fd3f4e4117c00def90

SHA512
314c6e89a6944fb402a38cd031a0bbf93050064a9c7df45ddb9aa8d3c22e243dd78d4f9b0b76f6f53792989e18dd157eca11970d84f2dd5fd2cf00dd2ba62c4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7742.tmp

Filesize
1.0MB

MD5
df2c63605573c2398d796370c11cb26c

SHA1
efba97e2184ba3941edb008fcc61d8873b2b1653

SHA256
07ffcde2097d0af67464907fec6a4079b92da11583013bae7d3313fa32312fe8

SHA512
d9726e33fcfa96415cc906bdb1b0e53eba674eaf30ed77d41d245c1c59aa53e222246f691d82fa3a45f049fbf23d441768f9da21370e489232770ad5ae91d32f

Download Submit
C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat

Filesize
129B

MD5
d1073c9b34d1bbd570928734aacff6a5

SHA1
78714e24e88d50e0da8da9d303bec65b2ee6d903

SHA256
b3c704b1a728004fc5e25899d72930a7466d7628dd6ddd795b3000897dfa4020

SHA512
4f2b9330e30fcc55245dc5d12311e105b2b2b9d607fbfc4a203c69a740006f0af58d6a01e2da284575a897528da71a2e61a7321034755b78feb646c8dd12347f

Download Submit
C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat

Filesize
196B

MD5
22f2579cf43c6ec0cc299d0b118f0e8f

SHA1
c54279985ba5cd779175d01e9c9108eddd552de6

SHA256
24a4813e8c4efaf10732503cbeba510a2543faeb29e8c9177b9ff91506f4538b

SHA512
4e7c50751e2fe7cd9fb9e8eebb0e53e2161a94b1f3d8a64e7134edbf97c737ecf2fff431ec3abf72fa384a82cfca48c8cbb4c7a81014fe8d245153c2a7d20b50

Download Submit
C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat

Filesize
125B

MD5
4f3f4ff9981717858cd79283a8adb514

SHA1
ca0f70ec3c551cc26144eae0c8eaeddfd947411b

SHA256
3bd0bc9a8b31fa288f5231c166a42b6fb3201d0d2555452d7146c26ec546b016

SHA512
6890be0f75f1cdf2270875465af83088546d2a555463a203ddd8fdc6c03985b2c2e049210ed20173106afd1b086438493be601e8815f12480f123c0759795f63

Download Submit
C:\Users\Admin\AppData\Roaming\Temp\Admin2.bat

Filesize
102B

MD5
3ca08f080a7a28416774d80552d4aa08

SHA1
0b5f0ba641204b27adac4140fd45dce4390dbf24

SHA256
4e7d460b8dc9f2c01b4c5a16fb956aced10127bc940e8039a80c6455901ea1f0

SHA512
0c64aa462ff70473ef763ec392296fe0ea59b5340c26978531a416732bc3845adf9ca7b673cb7b4ba40cc45674351206096995c43600fccbbbe64e51b6019f01

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

Filesize
200KB

MD5
78d3c8705f8baf7d34e6a6737d1cfa18

SHA1
9f09e248a29311dbeefae9d85937b13da042a010

SHA256
2c4c9ec8e9291ba5c73f641af2e0c3e1bbd257ac40d9fb9d3faab7cebc978905

SHA512
9a3c3175276da58f1bc8d1138e63238c8d8ccfbfa1a8a1338e88525eca47f8d745158bb34396b7c3f25e4296be5f45a71781da33ad0bbdf7ad88a9c305b85609

Download Submit
\Users\Admin\AppData\Local\Temp\wtmps.exe

Filesize
276KB

MD5
75c1467042b38332d1ea0298f29fb592

SHA1
f92ea770c2ddb04cf0d20914578e4c482328f0f8

SHA256
3b20c853d4ca23240cd338b8cab16f1027c540ddfe9c4ffdca1624d2f923b373

SHA512
5c47c59ad222e2597ccdf2c100853c48f022e933f44c279154346eacf9e7e6f54214ada541d43a10424035f160b56131aab206c11512a9fd6ea614fbd3160aa0

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe

Filesize
172KB

MD5
daac1781c9d22f5743ade0cb41feaebf

SHA1
e2549eeeea42a6892b89d354498fcaa8ffd9cac4

SHA256
6a7093440420306cf7de53421a67af8a1094771e0aab9535acbd748d08ed766c

SHA512
190a7d5291e20002f996edf1e04456bfdff8b7b2f4ef113178bd42a9e5fd89fe6d410ae2c505de0358c4f53f9654ac1caaa8634665afa6d9691640dd4ee86160

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe

Filesize
1.8MB

MD5
a85b9f8a79481491169863347a26dd4e

SHA1
020a6d6bfa0193d728c8485b9ff7a87f164bd13a

SHA256
d278267cadcedbc0bd56f25d5015c4805dd0119f4e612871a34ab3c64e0f4c04

SHA512
536103edde9254c98f05ebe67cd7b88c53728c8cc011d4e508e561c9b9db0ef719c9447232b47c1648ae26ca59ee56fe160dfca18a7b990c18b1a9fce3e70e45

Download Submit
\Users\Admin\AppData\Roaming\Temp\mydll.dll

Filesize
202KB

MD5
7ff15a4f092cd4a96055ba69f903e3e9

SHA1
a3d338a38c2b92f95129814973f59446668402a8

SHA256
1b594e6d057c632abb3a8cf838157369024bd6b9f515ca8e774b22fe71a11627

SHA512
4b015d011c14c7e10568c09bf81894681535efb7d76c3ef9071fffb3837f62b36e695187b2d32581a30f07e79971054e231a2ca4e8ad7f0f83d5876f8c086dae

Download Submit
memory/2288-17-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/2592-373-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download