09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93

Analysis

max time kernel
151s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-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
216	WdExt.exe
3140	launch.exe
3432	wtmps.exe
2116	mscaps.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	WdExt.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	launch.exe

Loads dropped DLL 2 IoCs

pid	Process
4628	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe
216	WdExt.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-1-5-21-2629973501-4017243118-3254762364-1000\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 16 IoCs

pid	Process
4628	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe
4628	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe
216	WdExt.exe
216	WdExt.exe
3140	launch.exe
3140	launch.exe
3140	launch.exe
3140	launch.exe
3140	launch.exe
3140	launch.exe
3140	launch.exe
3140	launch.exe
3140	launch.exe
3140	launch.exe
3140	launch.exe
3140	launch.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4628 wrote to memory of 1180	4628	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe	83
PID 4628 wrote to memory of 1180	4628	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe	83
PID 4628 wrote to memory of 1180	4628	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe	83
PID 4628 wrote to memory of 4944	4628	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe	85
PID 4628 wrote to memory of 4944	4628	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe	85
PID 4628 wrote to memory of 4944	4628	09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe	85
PID 1180 wrote to memory of 216	1180	cmd.exe	87
PID 1180 wrote to memory of 216	1180	cmd.exe	87
PID 1180 wrote to memory of 216	1180	cmd.exe	87
PID 216 wrote to memory of 2988	216	WdExt.exe	88
PID 216 wrote to memory of 2988	216	WdExt.exe	88
PID 216 wrote to memory of 2988	216	WdExt.exe	88
PID 2988 wrote to memory of 3140	2988	cmd.exe	91
PID 2988 wrote to memory of 3140	2988	cmd.exe	91
PID 2988 wrote to memory of 3140	2988	cmd.exe	91
PID 3140 wrote to memory of 4276	3140	launch.exe	92
PID 3140 wrote to memory of 4276	3140	launch.exe	92
PID 3140 wrote to memory of 4276	3140	launch.exe	92
PID 4276 wrote to memory of 3432	4276	cmd.exe	94
PID 4276 wrote to memory of 3432	4276	cmd.exe	94
PID 4276 wrote to memory of 3432	4276	cmd.exe	94
PID 3432 wrote to memory of 2116	3432	wtmps.exe	95
PID 3432 wrote to memory of 2116	3432	wtmps.exe	95
PID 3432 wrote to memory of 2116	3432	wtmps.exe	95

C:\Users\Admin\AppData\Local\Temp\09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe
"C:\Users\Admin\AppData\Local\Temp\09f73e2ae2be9f9a849c904518d55ff0225ff65d02e3f4d1a52208f2eaa35a93.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4628
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1180
- - C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Messenger\Extension\WdExt.exe"
    3⤵
    - Executes dropped EXE
    - Checks computer location settings
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:216
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2988
    - - C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe
        
        "C:\Users\Admin\AppData\Roaming\Microsoft\Defender\launch.exe" /i 216
        5⤵
        Executes dropped EXE
        Checks computer location settings
        Adds Run key to start application
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:3140
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin0.bat" "
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:4276
        
        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:3432
        
        C:\Windows\SysWOW64\mscaps.exe
        
        "C:\Windows\system32\mscaps.exe" /C:\Users\Admin\AppData\Local\Temp\wtmps.exe
        8⤵
        Executes dropped EXE
        
        PID:2116
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Admin1.bat" "
  2⤵
  PID:4944

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

Query Registry

T1012

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
897281d419b5e71f666e02f9b9ca8f1c

SHA1
ecd23472cd0c15cf85d7c1378f36f88955326ecd

SHA256
ccca5ee2766929773fa549ae2587652bcff6e61d0c963532ddf58b866bdc95d9

SHA512
20cf2d524fab5cbbe610b0acd1001106bc83518c4a68bfe33f1cfdf30f645cc4d495332175e748415b575f8a1873f946b2ddc107f9a0e3f9958cb32affb91deb

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

Filesize
1.7MB

MD5
897281d419b5e71f666e02f9b9ca8f1c

SHA1
ecd23472cd0c15cf85d7c1378f36f88955326ecd

SHA256
ccca5ee2766929773fa549ae2587652bcff6e61d0c963532ddf58b866bdc95d9

SHA512
20cf2d524fab5cbbe610b0acd1001106bc83518c4a68bfe33f1cfdf30f645cc4d495332175e748415b575f8a1873f946b2ddc107f9a0e3f9958cb32affb91deb

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
125B

MD5
6308eafe4c9cb4866c1176a25578ecf4

SHA1
a86cd72524a359b413469cd683bfb9a1e6328350

SHA256
bd85881cbcce6b45826a3edc7d8aebba2389fc4ebacf09d574b592c8eac41745

SHA512
77dcd28c2acacb5a7c913ef8c3204a2f904826bc98dafa0eb264645b8972122d6fe641d75587e596a0d3f3ac386154054e341da29173d0f17026cf7cdac6842b

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

Filesize
302B

MD5
c739f60462afefed206ea1f87ec62ad5

SHA1
5813bb2dd6ab0b9cf5e00addcb3ef93c5ba2b7e9

SHA256
1d951ed73c43d8ffac3a211b87ced678bb7ef4c25981de9979e56534971a90e3

SHA512
5c777178cb14f9f1d112c9275113a2e35c25e9c204c7fb585ddb129b807c8d28a2bc9d82550f56376116815d175f59c6990a2bad5b2626abcd10a6acc15d27f6

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

Filesize
388KB

MD5
8d7db101a7211fe3309dc4dc8cf2dd0a

SHA1
6c2781eadf53b3742d16dab2f164baf813f7ac85

SHA256
93db7c9699594caa19490280842fbebec3877278c92128b92e63d75fcd01397a

SHA512
8b139d447068519997f7bbc2c7c2fe3846b89ae1fba847258277c9ab92a93583b28fae7ffa444768929ed5852cc914c0270446cbf0bd20aca49bde6b6f809c83

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

Filesize
388KB

MD5
8d7db101a7211fe3309dc4dc8cf2dd0a

SHA1
6c2781eadf53b3742d16dab2f164baf813f7ac85

SHA256
93db7c9699594caa19490280842fbebec3877278c92128b92e63d75fcd01397a

SHA512
8b139d447068519997f7bbc2c7c2fe3846b89ae1fba847258277c9ab92a93583b28fae7ffa444768929ed5852cc914c0270446cbf0bd20aca49bde6b6f809c83

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

Filesize
200KB

MD5
78d3c8705f8baf7d34e6a6737d1cfa18

SHA1
9f09e248a29311dbeefae9d85937b13da042a010

SHA256
2c4c9ec8e9291ba5c73f641af2e0c3e1bbd257ac40d9fb9d3faab7cebc978905

SHA512
9a3c3175276da58f1bc8d1138e63238c8d8ccfbfa1a8a1338e88525eca47f8d745158bb34396b7c3f25e4296be5f45a71781da33ad0bbdf7ad88a9c305b85609

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

Filesize
200KB

MD5
78d3c8705f8baf7d34e6a6737d1cfa18

SHA1
9f09e248a29311dbeefae9d85937b13da042a010

SHA256
2c4c9ec8e9291ba5c73f641af2e0c3e1bbd257ac40d9fb9d3faab7cebc978905

SHA512
9a3c3175276da58f1bc8d1138e63238c8d8ccfbfa1a8a1338e88525eca47f8d745158bb34396b7c3f25e4296be5f45a71781da33ad0bbdf7ad88a9c305b85609

Download Submit
memory/4628-132-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download