9fcd6c43848454f32c61c3e2c86df019c71f6664fd19ce2e0e992e68cacf7b49

Analysis

max time kernel
27s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2023, 21:50

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General

Target

77574083a73bf4abe850f98c7cf758a8_JC.exe
Size

714KB
MD5

77574083a73bf4abe850f98c7cf758a8
SHA1

69c245b5d48f16d63e90f8db771d11ac68984dc2
SHA256

9fcd6c43848454f32c61c3e2c86df019c71f6664fd19ce2e0e992e68cacf7b49
SHA512

40aabc9f55f5d2e9c1125364fbb66129c06c29e64f98aa7aa0b1ac42c5aeb7ca4a82f9c780e1864cc0365f3dd841137f27499c3d2d6fc187ca5d2023a680fedc
SSDEEP

12288:phJ6nTOYREU1gL5pRTcAkS/3hzN8qE43fm78V5:phJ6nTOYKx5jcAkSYqyE5

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
4696	MSWDM.EXE
5028	MSWDM.EXE
3952	77574083A73BF4ABE850F98C7CF758A8_JC.EXE
3288	MSWDM.EXE

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	77574083a73bf4abe850f98c7cf758a8_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	77574083a73bf4abe850f98c7cf758a8_JC.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	MSWDM.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	MSWDM.EXE

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\WINDOWS\MSWDM.EXE	77574083a73bf4abe850f98c7cf758a8_JC.exe
File opened for modification	C:\Windows\dev6C18.tmp	77574083a73bf4abe850f98c7cf758a8_JC.exe
File opened for modification	C:\Windows\dev6C18.tmp	MSWDM.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5028	MSWDM.EXE
5028	MSWDM.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 4696	2692	77574083a73bf4abe850f98c7cf758a8_JC.exe	85
PID 2692 wrote to memory of 4696	2692	77574083a73bf4abe850f98c7cf758a8_JC.exe	85
PID 2692 wrote to memory of 4696	2692	77574083a73bf4abe850f98c7cf758a8_JC.exe	85
PID 2692 wrote to memory of 5028	2692	77574083a73bf4abe850f98c7cf758a8_JC.exe	86
PID 2692 wrote to memory of 5028	2692	77574083a73bf4abe850f98c7cf758a8_JC.exe	86
PID 2692 wrote to memory of 5028	2692	77574083a73bf4abe850f98c7cf758a8_JC.exe	86
PID 5028 wrote to memory of 3952	5028	MSWDM.EXE	87
PID 5028 wrote to memory of 3952	5028	MSWDM.EXE	87
PID 5028 wrote to memory of 3288	5028	MSWDM.EXE	89
PID 5028 wrote to memory of 3288	5028	MSWDM.EXE	89
PID 5028 wrote to memory of 3288	5028	MSWDM.EXE	89

C:\Users\Admin\AppData\Local\Temp\77574083a73bf4abe850f98c7cf758a8_JC.exe
"C:\Users\Admin\AppData\Local\Temp\77574083a73bf4abe850f98c7cf758a8_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2692
- C:\WINDOWS\MSWDM.EXE
  "C:\WINDOWS\MSWDM.EXE"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:4696
- C:\WINDOWS\MSWDM.EXE
  -r!C:\Windows\dev6C18.tmp!C:\Users\Admin\AppData\Local\Temp\77574083a73bf4abe850f98c7cf758a8_JC.exe! !
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:5028
- - C:\Users\Admin\AppData\Local\Temp\77574083A73BF4ABE850F98C7CF758A8_JC.EXE
    3⤵
    - Executes dropped EXE
    PID:3952
- - C:\WINDOWS\MSWDM.EXE
    -e!C:\Windows\dev6C18.tmp!C:\Users\Admin\AppData\Local\Temp\77574083A73BF4ABE850F98C7CF758A8_JC.EXE!
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:3288

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\77574083A73BF4ABE850F98C7CF758A8_JC.EXE

Filesize
714KB

MD5
1d25aa70c057827a6e6965c420dd1c4c

SHA1
87f177cc00ec4a9ae40bcfc145e854f23d39b682

SHA256
8765fba8d862dec093cf1bd223c949534b46cf15eb877397ba3c9197e50438c9

SHA512
a7cb92a6360804b7a2c039901d92b70f6f1fb6d2f34ef1b10b2b88922043286770f8283e7753ff6e0b7c2e2169b23c94cc71eba36e237cf3ba6ac78fe482ee3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\77574083A73BF4ABE850F98C7CF758A8_JC.EXE

Filesize
714KB

MD5
1d25aa70c057827a6e6965c420dd1c4c

SHA1
87f177cc00ec4a9ae40bcfc145e854f23d39b682

SHA256
8765fba8d862dec093cf1bd223c949534b46cf15eb877397ba3c9197e50438c9

SHA512
a7cb92a6360804b7a2c039901d92b70f6f1fb6d2f34ef1b10b2b88922043286770f8283e7753ff6e0b7c2e2169b23c94cc71eba36e237cf3ba6ac78fe482ee3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\77574083a73bf4abe850f98c7cf758a8_JC.exe

Filesize
458KB

MD5
619f7135621b50fd1900ff24aade1524

SHA1
6c7ea8bbd435163ae3945cbef30ef6b9872a4591

SHA256
344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

SHA512
2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

Download Submit
C:\Users\Admin\AppData\Local\Temp\77574083a73bf4abe850f98c7cf758a8_JC.exe

Filesize
714KB

MD5
1d25aa70c057827a6e6965c420dd1c4c

SHA1
87f177cc00ec4a9ae40bcfc145e854f23d39b682

SHA256
8765fba8d862dec093cf1bd223c949534b46cf15eb877397ba3c9197e50438c9

SHA512
a7cb92a6360804b7a2c039901d92b70f6f1fb6d2f34ef1b10b2b88922043286770f8283e7753ff6e0b7c2e2169b23c94cc71eba36e237cf3ba6ac78fe482ee3d

Download Submit
C:\WINDOWS\MSWDM.EXE

Filesize
256KB

MD5
8a1198209520897514a2d82a912a66d2

SHA1
5dda8ec47f948814d808cd71e89ebe65940a1ff7

SHA256
5ce9e416f5b7811b9e91ec2de680aad0c38aa4a080999853b096b06d409887f0

SHA512
9a6e4e3729f77bcdcc1ace7fa154490717473fb05899e13b1f920ee438dc1c1812eae6fdec8b97da7807e9d626014ad0481d9cf0d4f5a06e327b4b75534f7e00

Download Submit
C:\Windows\MSWDM.EXE

Filesize
256KB

MD5
8a1198209520897514a2d82a912a66d2

SHA1
5dda8ec47f948814d808cd71e89ebe65940a1ff7

SHA256
5ce9e416f5b7811b9e91ec2de680aad0c38aa4a080999853b096b06d409887f0

SHA512
9a6e4e3729f77bcdcc1ace7fa154490717473fb05899e13b1f920ee438dc1c1812eae6fdec8b97da7807e9d626014ad0481d9cf0d4f5a06e327b4b75534f7e00

Download Submit
C:\Windows\MSWDM.EXE

Filesize
256KB

MD5
8a1198209520897514a2d82a912a66d2

SHA1
5dda8ec47f948814d808cd71e89ebe65940a1ff7

SHA256
5ce9e416f5b7811b9e91ec2de680aad0c38aa4a080999853b096b06d409887f0

SHA512
9a6e4e3729f77bcdcc1ace7fa154490717473fb05899e13b1f920ee438dc1c1812eae6fdec8b97da7807e9d626014ad0481d9cf0d4f5a06e327b4b75534f7e00

Download Submit
C:\Windows\MSWDM.EXE

Filesize
256KB

MD5
8a1198209520897514a2d82a912a66d2

SHA1
5dda8ec47f948814d808cd71e89ebe65940a1ff7

SHA256
5ce9e416f5b7811b9e91ec2de680aad0c38aa4a080999853b096b06d409887f0

SHA512
9a6e4e3729f77bcdcc1ace7fa154490717473fb05899e13b1f920ee438dc1c1812eae6fdec8b97da7807e9d626014ad0481d9cf0d4f5a06e327b4b75534f7e00

Download Submit
C:\Windows\dev6C18.tmp

Filesize
458KB

MD5
619f7135621b50fd1900ff24aade1524

SHA1
6c7ea8bbd435163ae3945cbef30ef6b9872a4591

SHA256
344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

SHA512
2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

Download Submit