428326fd3f42c283366bc4352d3baa0255bf7557fc513d6ccfbb92c5393cb316

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06-09-2024 21:28

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General

Target

d8fe463548ec31b99e04cf572fa6bc40N.exe
Size

1.9MB
MD5

d8fe463548ec31b99e04cf572fa6bc40
SHA1

9161e976df1d31c60d8769eb8a99596f71d7a928
SHA256

428326fd3f42c283366bc4352d3baa0255bf7557fc513d6ccfbb92c5393cb316
SHA512

21cd4f6e1dea498b9bc0a1c382c1dd568f688931673d21959992f189c090e61d91ec02f5ace760b35642653210d3d58df4949b2cf7bacef4939e4015a25f92b0
SSDEEP

24576:jiMbTvXdVtTj2i64T+jdxQCfgOFD3WSwd2QtBBw6xxhVxQtmibjOhZaiRu/4oMaY:+0FbTChxKCnFnQXBbrtgb/iQvu0UHOq1

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 6 IoCs

pid	Process
3028	@AEF3A2.tmp.exe
2216	d8fe463548ec31b99e04cf572fa6bc40N.exe
2432	WdExt.exe
876	launch.exe
3032	wtmps.exe
1908	mscaps.exe

Loads dropped DLL 11 IoCs

pid	Process
2332	explorer.exe
2332	explorer.exe
2332	explorer.exe
3028	@AEF3A2.tmp.exe
2248	cmd.exe
2248	cmd.exe
2432	WdExt.exe
2056	cmd.exe
2056	cmd.exe
2316	cmd.exe
2316	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-1-5-21-3551809350-4263495960-1443967649-1000\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	d8fe463548ec31b99e04cf572fa6bc40N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	@AEF3A2.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	launch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wtmps.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d8fe463548ec31b99e04cf572fa6bc40N.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	WdExt.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	explorer.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3028	@AEF3A2.tmp.exe
2432	WdExt.exe
876	launch.exe
876	launch.exe
876	launch.exe
876	launch.exe
876	launch.exe
876	launch.exe
876	launch.exe
876	launch.exe
876	launch.exe
876	launch.exe

Suspicious use of WriteProcessMemory 58 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2332	2324	d8fe463548ec31b99e04cf572fa6bc40N.exe	31
PID 2324 wrote to memory of 2332	2324	d8fe463548ec31b99e04cf572fa6bc40N.exe	31
PID 2324 wrote to memory of 2332	2324	d8fe463548ec31b99e04cf572fa6bc40N.exe	31
PID 2324 wrote to memory of 2332	2324	d8fe463548ec31b99e04cf572fa6bc40N.exe	31
PID 2324 wrote to memory of 2332	2324	d8fe463548ec31b99e04cf572fa6bc40N.exe	31
PID 2324 wrote to memory of 2332	2324	d8fe463548ec31b99e04cf572fa6bc40N.exe	31
PID 2332 wrote to memory of 3028	2332	explorer.exe	32
PID 2332 wrote to memory of 3028	2332	explorer.exe	32
PID 2332 wrote to memory of 3028	2332	explorer.exe	32
PID 2332 wrote to memory of 3028	2332	explorer.exe	32
PID 2332 wrote to memory of 2216	2332	explorer.exe	33
PID 2332 wrote to memory of 2216	2332	explorer.exe	33
PID 2332 wrote to memory of 2216	2332	explorer.exe	33
PID 2332 wrote to memory of 2216	2332	explorer.exe	33
PID 3028 wrote to memory of 2248	3028	@AEF3A2.tmp.exe	34
PID 3028 wrote to memory of 2248	3028	@AEF3A2.tmp.exe	34
PID 3028 wrote to memory of 2248	3028	@AEF3A2.tmp.exe	34
PID 3028 wrote to memory of 2248	3028	@AEF3A2.tmp.exe	34
PID 3028 wrote to memory of 2820	3028	@AEF3A2.tmp.exe	36
PID 3028 wrote to memory of 2820	3028	@AEF3A2.tmp.exe	36
PID 3028 wrote to memory of 2820	3028	@AEF3A2.tmp.exe	36
PID 3028 wrote to memory of 2820	3028	@AEF3A2.tmp.exe	36
PID 2248 wrote to memory of 2432	2248	cmd.exe	38
PID 2248 wrote to memory of 2432	2248	cmd.exe	38
PID 2248 wrote to memory of 2432	2248	cmd.exe	38
PID 2248 wrote to memory of 2432	2248	cmd.exe	38
PID 2432 wrote to memory of 2056	2432	WdExt.exe	39
PID 2432 wrote to memory of 2056	2432	WdExt.exe	39
PID 2432 wrote to memory of 2056	2432	WdExt.exe	39
PID 2432 wrote to memory of 2056	2432	WdExt.exe	39
PID 2056 wrote to memory of 876	2056	cmd.exe	41
PID 2056 wrote to memory of 876	2056	cmd.exe	41
PID 2056 wrote to memory of 876	2056	cmd.exe	41
PID 2056 wrote to memory of 876	2056	cmd.exe	41
PID 2056 wrote to memory of 876	2056	cmd.exe	41
PID 2056 wrote to memory of 876	2056	cmd.exe	41
PID 2056 wrote to memory of 876	2056	cmd.exe	41
PID 876 wrote to memory of 2316	876	launch.exe	42
PID 876 wrote to memory of 2316	876	launch.exe	42
PID 876 wrote to memory of 2316	876	launch.exe	42
PID 876 wrote to memory of 2316	876	launch.exe	42
PID 876 wrote to memory of 2316	876	launch.exe	42
PID 876 wrote to memory of 2316	876	launch.exe	42
PID 876 wrote to memory of 2316	876	launch.exe	42
PID 2316 wrote to memory of 3032	2316	cmd.exe	44
PID 2316 wrote to memory of 3032	2316	cmd.exe	44
PID 2316 wrote to memory of 3032	2316	cmd.exe	44
PID 2316 wrote to memory of 3032	2316	cmd.exe	44
PID 2316 wrote to memory of 3032	2316	cmd.exe	44
PID 2316 wrote to memory of 3032	2316	cmd.exe	44
PID 2316 wrote to memory of 3032	2316	cmd.exe	44
PID 3032 wrote to memory of 1908	3032	wtmps.exe	45
PID 3032 wrote to memory of 1908	3032	wtmps.exe	45
PID 3032 wrote to memory of 1908	3032	wtmps.exe	45
PID 3032 wrote to memory of 1908	3032	wtmps.exe	45
PID 3032 wrote to memory of 1908	3032	wtmps.exe	45
PID 3032 wrote to memory of 1908	3032	wtmps.exe	45
PID 3032 wrote to memory of 1908	3032	wtmps.exe	45

C:\Users\Admin\AppData\Local\Temp\d8fe463548ec31b99e04cf572fa6bc40N.exe
"C:\Users\Admin\AppData\Local\Temp\d8fe463548ec31b99e04cf572fa6bc40N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2332
- - C:\Users\Admin\AppData\Local\Temp\@AEF3A2.tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\@AEF3A2.tmp.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3028
  - - 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:2248
    - - 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:2432
      - 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:2056
        
        C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe" /i 2432
        7⤵
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:876
        
        C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat" "
        8⤵
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2316
        
        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:3032
        
        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:1908
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
      4⤵
      System Location Discovery: System Language Discovery
      PID:2820
- - C:\Users\Admin\AppData\Local\Temp\d8fe463548ec31b99e04cf572fa6bc40N.exe
    "C:\Users\Admin\AppData\Local\Temp\d8fe463548ec31b99e04cf572fa6bc40N.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2216

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\2A0.tmp

Filesize
406B

MD5
37512bcc96b2c0c0cf0ad1ed8cfae5cd

SHA1
edf7f17ce28e1c4c82207cab8ca77f2056ea545c

SHA256
27e678bf5dc82219d6edd744f0b82567a26e40f8a9dcd6487205e13058e3ed1f

SHA512
6d4252ab5aa441a76ce2127224fefcb221259ab4d39f06437b269bd6bfdaae009c8f34e9603ec734159553bc9f1359bdd70316cd426d73b171a9f17c41077641

Download Submit
C:\Users\Admin\AppData\Local\Temp\d8fe463548ec31b99e04cf572fa6bc40N.exe

Filesize
200KB

MD5
6e758c968e9c79e8990c16ad87b4f57f

SHA1
e53c453a8a559f1972b80d4b9dcc09cc84204fc1

SHA256
9aabb5d3d2bb8e892951dcf1fd96becd7fe5bbed196e16556f43946c1e2a101f

SHA512
0e04de61f8e11b7309b6839fceeb193a900ac53942f659abb621de92db2a215e34104a103e989b722cd9002ad9a223f9929c96a30eaed27cd33232d927db0237

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

Filesize
172KB

MD5
daac1781c9d22f5743ade0cb41feaebf

SHA1
e2549eeeea42a6892b89d354498fcaa8ffd9cac4

SHA256
6a7093440420306cf7de53421a67af8a1094771e0aab9535acbd748d08ed766c

SHA512
190a7d5291e20002f996edf1e04456bfdff8b7b2f4ef113178bd42a9e5fd89fe6d410ae2c505de0358c4f53f9654ac1caaa8634665afa6d9691640dd4ee86160

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\Admin0.bat

Filesize
102B

MD5
1d68f046cd6a9197038fb2445d2bea05

SHA1
d8dca54cfa0b2ad404bce32d5d94634bcfc9b2d7

SHA256
9cddd4b2ac719f01052deef3aa558fbfbcd21d5728215651345c3d2b9ba250d9

SHA512
2720d071fd02b2cf0d9f1de8dd19117fd128f213dd7f66fa8adb00d7873a5de58d2f2618100d28eec85db707d9e34d20258f9a1f76acf75fe668e66722e1cc4c

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

Filesize
126B

MD5
3203ceed90f4ecc00409765169703bbd

SHA1
ff99825eb18890b598ba05961c4e55c1f5944683

SHA256
9b51d087f34f17cd3092efceaa37796ceced997de72481d416858875ac08c928

SHA512
8eb4975600d1fbe7659b0d1c2b53c52938798abeb058ff1e8a06ed1f9d309a8812e44c39502fa4b9fb126c97ead907e2b8443f4a04255b987ef5072a661fc044

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

Filesize
196B

MD5
2629f685975a199bc8a91111b804418b

SHA1
7bd18d2ac648d5ddc59d54c46928ffb9224e5557

SHA256
0da306a3ee34cc9ae67c9d0f630bd0514a123909bbeee524e3a98030fbe9954d

SHA512
b70c6eac5ac836afcbdb1853b8d01113f2c93b5361d1fd6b556c5c22de8d414e597b616c14d97fb2e594676cfab0d1ccf744d0cc5548c1bb699e920c2dd62245

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

Filesize
202KB

MD5
684c111c78f8bf6fcb5575d400e7669c

SHA1
d587894c0beffdff00ae6d358a5463ef18bcb485

SHA256
080fb4cd0b92884c89efab9161685f3ba0666cd9dab8de6c752bfe35e4e45716

SHA512
bcf748d21be502d7346f56ffc9ef13f3394d46c679d7cf17289d007e91b4ead2ec4035b3ccd5626eb378958cbb6ac371edfde8319433db9b709694595ae53e4f

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

Filesize
200KB

MD5
78d3c8705f8baf7d34e6a6737d1cfa18

SHA1
9f09e248a29311dbeefae9d85937b13da042a010

SHA256
2c4c9ec8e9291ba5c73f641af2e0c3e1bbd257ac40d9fb9d3faab7cebc978905

SHA512
9a3c3175276da58f1bc8d1138e63238c8d8ccfbfa1a8a1338e88525eca47f8d745158bb34396b7c3f25e4296be5f45a71781da33ad0bbdf7ad88a9c305b85609

Download Submit
\Users\Admin\AppData\Local\Temp\@AEF3A2.tmp.exe

Filesize
1.7MB

MD5
27752b3ecd12c7290097ae57bcd8116e

SHA1
06a8aa9b3b2da990854a29b0008b8ca65c3cb1e5

SHA256
eeefc0d2e4c2b56351c40b755f93e837b9480dca6bbea019d7f1067d6b6279d6

SHA512
eacc57eece630249e3e1014f77f157acb285dac354fc4da42cc76daff4d162644c207d5a281a448f6a3a0866bd58d1f6727757cbb8ec777d4f994fe02256cc35

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\Messenger\Extension\WdExt.exe

Filesize
1.7MB

MD5
c989ac4a8372a745d50e83871e4ba896

SHA1
1b92704d0819b8a4f74a9568cfd84b8d7fc0e488

SHA256
30f7efb50c570fcdb1788578a6a09186cec1b79ae7ae8612df519ce4721a6fb6

SHA512
2cdc91a6d8003f3163c9ee06f94cb0fd89ccba8a773b0ba84cd84233b177d191ad8388e3e7d802933796830b059900132f874ab148f14df4ccdf2c4f73f003ea

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

Filesize
202KB

MD5
7ff15a4f092cd4a96055ba69f903e3e9

SHA1
a3d338a38c2b92f95129814973f59446668402a8

SHA256
1b594e6d057c632abb3a8cf838157369024bd6b9f515ca8e774b22fe71a11627

SHA512
4b015d011c14c7e10568c09bf81894681535efb7d76c3ef9071fffb3837f62b36e695187b2d32581a30f07e79971054e231a2ca4e8ad7f0f83d5876f8c086dae

Download Submit
memory/876-300-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/3028-17-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download