09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93

Analysis

max time kernel
39s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11-10-2022 15:20

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General

Target

09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe
Size

1.7MB
MD5

615037be29e4ac9f7956b837005843ca
SHA1

0de1329056a228dda1b40eff1ab177ef7eb26416
SHA256

09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93
SHA512

1ff747d42aef4ad9153928d587b6833b9f6fdbc922b82b9ebfda7e41b969b615fd6000358ac5661f98aa962c985994e0f9d07f58eddb14053d3249857cf734b5
SSDEEP

24576:OXdVtTj2i64T+jdxQCfgOFD3WSwd2QtBBw6xxhVxQtmibjOhZaiRu/4oMaop0UNX:mbTChxKCnFnQXBbrtgb/iQvu0UHOG

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1544	WdExt.exe
1284	launch.exe
772	wtmps.exe
1696	mscaps.exe

Deletes itself 1 IoCs

pid	Process
1740	cmd.exe

Loads dropped DLL 8 IoCs

pid	Process
1672	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe
1744	cmd.exe
1744	cmd.exe
1544	WdExt.exe
1944	cmd.exe
1944	cmd.exe
964	cmd.exe
964	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\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). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1672	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe
1544	WdExt.exe
1284	launch.exe
1284	launch.exe
1284	launch.exe
1284	launch.exe
1284	launch.exe
1284	launch.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1744	1672	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe	27
PID 1672 wrote to memory of 1744	1672	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe	27
PID 1672 wrote to memory of 1744	1672	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe	27
PID 1672 wrote to memory of 1744	1672	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe	27
PID 1672 wrote to memory of 1740	1672	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe	29
PID 1672 wrote to memory of 1740	1672	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe	29
PID 1672 wrote to memory of 1740	1672	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe	29
PID 1672 wrote to memory of 1740	1672	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe	29
PID 1744 wrote to memory of 1544	1744	cmd.exe	31
PID 1744 wrote to memory of 1544	1744	cmd.exe	31
PID 1744 wrote to memory of 1544	1744	cmd.exe	31
PID 1744 wrote to memory of 1544	1744	cmd.exe	31
PID 1544 wrote to memory of 1944	1544	WdExt.exe	32
PID 1544 wrote to memory of 1944	1544	WdExt.exe	32
PID 1544 wrote to memory of 1944	1544	WdExt.exe	32
PID 1544 wrote to memory of 1944	1544	WdExt.exe	32
PID 1944 wrote to memory of 1284	1944	cmd.exe	34
PID 1944 wrote to memory of 1284	1944	cmd.exe	34
PID 1944 wrote to memory of 1284	1944	cmd.exe	34
PID 1944 wrote to memory of 1284	1944	cmd.exe	34
PID 1944 wrote to memory of 1284	1944	cmd.exe	34
PID 1944 wrote to memory of 1284	1944	cmd.exe	34
PID 1944 wrote to memory of 1284	1944	cmd.exe	34
PID 1284 wrote to memory of 964	1284	launch.exe	35
PID 1284 wrote to memory of 964	1284	launch.exe	35
PID 1284 wrote to memory of 964	1284	launch.exe	35
PID 1284 wrote to memory of 964	1284	launch.exe	35
PID 1284 wrote to memory of 964	1284	launch.exe	35
PID 1284 wrote to memory of 964	1284	launch.exe	35
PID 1284 wrote to memory of 964	1284	launch.exe	35
PID 964 wrote to memory of 772	964	cmd.exe	37
PID 964 wrote to memory of 772	964	cmd.exe	37
PID 964 wrote to memory of 772	964	cmd.exe	37
PID 964 wrote to memory of 772	964	cmd.exe	37
PID 964 wrote to memory of 772	964	cmd.exe	37
PID 964 wrote to memory of 772	964	cmd.exe	37
PID 964 wrote to memory of 772	964	cmd.exe	37
PID 772 wrote to memory of 1696	772	wtmps.exe	38
PID 772 wrote to memory of 1696	772	wtmps.exe	38
PID 772 wrote to memory of 1696	772	wtmps.exe	38
PID 772 wrote to memory of 1696	772	wtmps.exe	38
PID 772 wrote to memory of 1696	772	wtmps.exe	38
PID 772 wrote to memory of 1696	772	wtmps.exe	38
PID 772 wrote to memory of 1696	772	wtmps.exe	38

C:\Users\Admin\AppData\Local\Temp\09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe
"C:\Users\Admin\AppData\Local\Temp\09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat" "
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1744
- - C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1544
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
      4⤵
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:1944
    - - C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe" /i 1544
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:1284
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat" "
        6⤵
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:964
        
        C:\Users\Admin\AppData\Local\Temp\wtmps.exe
        
        "C:\Users\Admin\AppData\Local\Temp\wtmps.exe"
        7⤵
        Executes dropped EXE
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:772
        
        C:\Windows\SysWOW64\mscaps.exe
        
        "C:\Windows\system32\mscaps.exe" /C:\Users\Admin\AppData\Local\Temp\wtmps.exe
        8⤵
        Executes dropped EXE
        
        PID:1696
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
  2⤵
  - Deletes itself
  PID:1740

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\wtmps.exe

Filesize
276KB

MD5
75c1467042b38332d1ea0298f29fb592

SHA1
f92ea770c2ddb04cf0d20914578e4c482328f0f8

SHA256
3b20c853d4ca23240cd338b8cab16f1027c540ddfe9c4ffdca1624d2f923b373

SHA512
5c47c59ad222e2597ccdf2c100853c48f022e933f44c279154346eacf9e7e6f54214ada541d43a10424035f160b56131aab206c11512a9fd6ea614fbd3160aa0

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

Filesize
276KB

MD5
75c1467042b38332d1ea0298f29fb592

SHA1
f92ea770c2ddb04cf0d20914578e4c482328f0f8

SHA256
3b20c853d4ca23240cd338b8cab16f1027c540ddfe9c4ffdca1624d2f923b373

SHA512
5c47c59ad222e2597ccdf2c100853c48f022e933f44c279154346eacf9e7e6f54214ada541d43a10424035f160b56131aab206c11512a9fd6ea614fbd3160aa0

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\Microsoft\Defender\launch.exe

Filesize
172KB

MD5
daac1781c9d22f5743ade0cb41feaebf

SHA1
e2549eeeea42a6892b89d354498fcaa8ffd9cac4

SHA256
6a7093440420306cf7de53421a67af8a1094771e0aab9535acbd748d08ed766c

SHA512
190a7d5291e20002f996edf1e04456bfdff8b7b2f4ef113178bd42a9e5fd89fe6d410ae2c505de0358c4f53f9654ac1caaa8634665afa6d9691640dd4ee86160

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

Filesize
1.7MB

MD5
4e5ef2d81d59ce6ffdee6def0e83e8d1

SHA1
08c582d80709405a7997b8a8de753c9d78f493ee

SHA256
111e337a978c90d329b247b809512e437dfac3dc889b061c897bbbeeddee7fcc

SHA512
462bb9c8eb7d30e43122218c10bdd0e2c9b5cac02b99ab42ffbbe2aa9afe78a7e13a9e3b35aa8035c992af971c592a0a77760f0974da0754fd87919901d24002

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

Filesize
1.7MB

MD5
4e5ef2d81d59ce6ffdee6def0e83e8d1

SHA1
08c582d80709405a7997b8a8de753c9d78f493ee

SHA256
111e337a978c90d329b247b809512e437dfac3dc889b061c897bbbeeddee7fcc

SHA512
462bb9c8eb7d30e43122218c10bdd0e2c9b5cac02b99ab42ffbbe2aa9afe78a7e13a9e3b35aa8035c992af971c592a0a77760f0974da0754fd87919901d24002

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
9ed2dce755e9eb06fbe31ab4084b1dd3

SHA1
7dee4a57d0946470537b686a046079805856892d

SHA256
287cd7e64f2cc76ec60e1a57e8483695990e00eaa053b81c85aabe457ea45967

SHA512
63bef17ffc63e7c327c9ad40bc7a4c05f5de721a80ccf784464cf31d070abf470ef6f700872fd761e61e803aa93b013bc0769564aa76d5485e88c6d644bb8b74

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

Filesize
302B

MD5
c739f60462afefed206ea1f87ec62ad5

SHA1
5813bb2dd6ab0b9cf5e00addcb3ef93c5ba2b7e9

SHA256
1d951ed73c43d8ffac3a211b87ced678bb7ef4c25981de9979e56534971a90e3

SHA512
5c777178cb14f9f1d112c9275113a2e35c25e9c204c7fb585ddb129b807c8d28a2bc9d82550f56376116815d175f59c6990a2bad5b2626abcd10a6acc15d27f6

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\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\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
1.7MB

MD5
4e5ef2d81d59ce6ffdee6def0e83e8d1

SHA1
08c582d80709405a7997b8a8de753c9d78f493ee

SHA256
111e337a978c90d329b247b809512e437dfac3dc889b061c897bbbeeddee7fcc

SHA512
462bb9c8eb7d30e43122218c10bdd0e2c9b5cac02b99ab42ffbbe2aa9afe78a7e13a9e3b35aa8035c992af971c592a0a77760f0974da0754fd87919901d24002

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

Filesize
1.7MB

MD5
4e5ef2d81d59ce6ffdee6def0e83e8d1

SHA1
08c582d80709405a7997b8a8de753c9d78f493ee

SHA256
111e337a978c90d329b247b809512e437dfac3dc889b061c897bbbeeddee7fcc

SHA512
462bb9c8eb7d30e43122218c10bdd0e2c9b5cac02b99ab42ffbbe2aa9afe78a7e13a9e3b35aa8035c992af971c592a0a77760f0974da0754fd87919901d24002

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

Filesize
202KB

MD5
7ff15a4f092cd4a96055ba69f903e3e9

SHA1
a3d338a38c2b92f95129814973f59446668402a8

SHA256
1b594e6d057c632abb3a8cf838157369024bd6b9f515ca8e774b22fe71a11627

SHA512
4b015d011c14c7e10568c09bf81894681535efb7d76c3ef9071fffb3837f62b36e695187b2d32581a30f07e79971054e231a2ca4e8ad7f0f83d5876f8c086dae

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

Filesize
202KB

MD5
7ff15a4f092cd4a96055ba69f903e3e9

SHA1
a3d338a38c2b92f95129814973f59446668402a8

SHA256
1b594e6d057c632abb3a8cf838157369024bd6b9f515ca8e774b22fe71a11627

SHA512
4b015d011c14c7e10568c09bf81894681535efb7d76c3ef9071fffb3837f62b36e695187b2d32581a30f07e79971054e231a2ca4e8ad7f0f83d5876f8c086dae

Download Submit
memory/1284-81-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1672-54-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

Download
memory/1672-55-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download