d2e524aa3e1b7ae86602ad014847f84fe95158bcc74f29f9504da65eca0950d0

Analysis

max time kernel
94s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 16:29

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General

Target

d2e524aa3e1b7ae86602ad014847f84fe95158bcc74f29f9504da65eca0950d0.exe
Size

165KB
MD5

f833b057c168e43f5f35b72c90960172
SHA1

92c84e57ccd4344be58e5137938349a0985d1d05
SHA256

d2e524aa3e1b7ae86602ad014847f84fe95158bcc74f29f9504da65eca0950d0
SHA512

7713c3bc185739c12084fc310cc1f5d1c8f1ffb46104605aacf2be7cfe1ac0310d2611c98050f4a1aa817e8bc0753c50683d888fde887fa70f88b784a38135ef
SSDEEP

3072:3T+BWolh/kJcU4MHY3gAx6e1gJRmxEErrLbIVsT/w90mWp:3aX2IF6eCcfLbe0mq

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 5 IoCs

pid	Process
5044	d03.exe
4960	MsnSvc64.exe
5020	MsnSvc64.exe
1584	MsnSvc64.exe
1016	MsnSvc64.exe

Sets file execution options in registry 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe	MsnSvc64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe\Debugger = "C:\\Windows\\inf\\MsnSvc64.exe"	MsnSvc64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe	MsnSvc64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe\Debugger = "C:\\Windows\\inf\\MsnSvc64.exe"	MsnSvc64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe	MsnSvc64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe\Debugger = "C:\\Windows\\inf\\MsnSvc64.exe"	MsnSvc64.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe	MsnSvc64.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ctfmon.exe\Debugger = "C:\\Windows\\inf\\MsnSvc64.exe"	MsnSvc64.exe

Loads dropped DLL 2 IoCs

pid	Process
1584	MsnSvc64.exe
1016	MsnSvc64.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\inf\d03.exe	d2e524aa3e1b7ae86602ad014847f84fe95158bcc74f29f9504da65eca0950d0.exe
File created	C:\Windows\SysWOW64\inf\d03.exe	d2e524aa3e1b7ae86602ad014847f84fe95158bcc74f29f9504da65eca0950d0.exe
File created	C:\Windows\SysWOW64\-60782299	d03.exe
File opened for modification	C:\Windows\SysWOW64\inf\MsnSvc64.exe	d2e524aa3e1b7ae86602ad014847f84fe95158bcc74f29f9504da65eca0950d0.exe
File created	C:\Windows\SysWOW64\inf\MsnSvc64.exe	d2e524aa3e1b7ae86602ad014847f84fe95158bcc74f29f9504da65eca0950d0.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\inf\usbctrl02.inf	MsnSvc64.exe
File opened for modification	C:\Windows\inf\usbctrl02.inf	MsnSvc64.exe
File opened for modification	C:\Windows\inf\MsnSvc64.exe	MsnSvc64.exe
File created	C:\Windows\inf\MsnSvc64.exe	MsnSvc64.exe
File created	C:\Windows\inf\usbctrl02.inf	MsnSvc64.exe
File created	C:\Windows\inf\usbctrl02.inf	MsnSvc64.exe
File opened for modification	C:\Windows\82E.tmp	d03.exe
File created	C:\Windows\inf\usbctrl02.inf	MsnSvc64.exe
File opened for modification	C:\Windows\inf\usbctrl02.inf	MsnSvc64.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
1584	MsnSvc64.exe
1584	MsnSvc64.exe
1584	MsnSvc64.exe
1584	MsnSvc64.exe
1584	MsnSvc64.exe
1584	MsnSvc64.exe
1584	MsnSvc64.exe
1584	MsnSvc64.exe
1016	MsnSvc64.exe
1016	MsnSvc64.exe
1016	MsnSvc64.exe
1016	MsnSvc64.exe
1016	MsnSvc64.exe
1016	MsnSvc64.exe
1016	MsnSvc64.exe
1016	MsnSvc64.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4960	MsnSvc64.exe
Token: SeDebugPrivilege	5020	MsnSvc64.exe
Token: SeDebugPrivilege	1584	MsnSvc64.exe
Token: SeDebugPrivilege	1016	MsnSvc64.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1584	MsnSvc64.exe
1016	MsnSvc64.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 5044	4364	d2e524aa3e1b7ae86602ad014847f84fe95158bcc74f29f9504da65eca0950d0.exe	78
PID 4364 wrote to memory of 5044	4364	d2e524aa3e1b7ae86602ad014847f84fe95158bcc74f29f9504da65eca0950d0.exe	78
PID 4364 wrote to memory of 5044	4364	d2e524aa3e1b7ae86602ad014847f84fe95158bcc74f29f9504da65eca0950d0.exe	78
PID 4364 wrote to memory of 4960	4364	d2e524aa3e1b7ae86602ad014847f84fe95158bcc74f29f9504da65eca0950d0.exe	79
PID 4364 wrote to memory of 4960	4364	d2e524aa3e1b7ae86602ad014847f84fe95158bcc74f29f9504da65eca0950d0.exe	79
PID 4364 wrote to memory of 4960	4364	d2e524aa3e1b7ae86602ad014847f84fe95158bcc74f29f9504da65eca0950d0.exe	79
PID 4960 wrote to memory of 5020	4960	MsnSvc64.exe	80
PID 4960 wrote to memory of 5020	4960	MsnSvc64.exe	80
PID 4960 wrote to memory of 5020	4960	MsnSvc64.exe	80
PID 5020 wrote to memory of 1584	5020	MsnSvc64.exe	81
PID 5020 wrote to memory of 1584	5020	MsnSvc64.exe	81
PID 5020 wrote to memory of 1584	5020	MsnSvc64.exe	81

C:\Users\Admin\AppData\Local\Temp\d2e524aa3e1b7ae86602ad014847f84fe95158bcc74f29f9504da65eca0950d0.exe
"C:\Users\Admin\AppData\Local\Temp\d2e524aa3e1b7ae86602ad014847f84fe95158bcc74f29f9504da65eca0950d0.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4364
- C:\Windows\SysWOW64\inf\d03.exe
  d03.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Drops file in Windows directory
  PID:5044
- C:\Windows\SysWOW64\inf\MsnSvc64.exe
  MsnSvc64.exe /install u08
  2⤵
  - Executes dropped EXE
  - Sets file execution options in registry
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4960
- - C:\Windows\inf\MsnSvc64.exe
    C:\Windows\inf\MsnSvc64.exe /install u08
    3⤵
    - Executes dropped EXE
    - Sets file execution options in registry
    - Drops file in Windows directory
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:5020
  - - C:\Windows\inf\MsnSvc64.exe
      C:\Windows\inf\MsnSvc64.exe
      4⤵
      Executes dropped EXE
      Sets file execution options in registry
      Loads dropped DLL
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1584

C:\Windows\inf\MsnSvc64.exe
C:\Windows\inf\MsnSvc64.exe
1⤵
- Executes dropped EXE
- Sets file execution options in registry
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1016

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:\Windows\INF\MsnSvc64.exe

Filesize
127KB

MD5
2986659ba4fadc88602fb519234625c0

SHA1
a74ba720213e67196c541b6dd800cbe0f8efbbf0

SHA256
99724256cd5130b656ac230e8d18b5535cee2f8903b8f17df359c06855019f2d

SHA512
c1d02c4c93e2aaef8bfe5207900e2ffc856364fc20a9696bbc40c0e40169584db05b5896e49cc86d1b38a5e8033f1a1fa9157058b5da653e2ef9e1994aa37879

Download Submit
C:\Windows\INF\MsnSvc64.exe

Filesize
127KB

MD5
2986659ba4fadc88602fb519234625c0

SHA1
a74ba720213e67196c541b6dd800cbe0f8efbbf0

SHA256
99724256cd5130b656ac230e8d18b5535cee2f8903b8f17df359c06855019f2d

SHA512
c1d02c4c93e2aaef8bfe5207900e2ffc856364fc20a9696bbc40c0e40169584db05b5896e49cc86d1b38a5e8033f1a1fa9157058b5da653e2ef9e1994aa37879

Download Submit
C:\Windows\INF\MsnSvc64.exe

Filesize
127KB

MD5
2986659ba4fadc88602fb519234625c0

SHA1
a74ba720213e67196c541b6dd800cbe0f8efbbf0

SHA256
99724256cd5130b656ac230e8d18b5535cee2f8903b8f17df359c06855019f2d

SHA512
c1d02c4c93e2aaef8bfe5207900e2ffc856364fc20a9696bbc40c0e40169584db05b5896e49cc86d1b38a5e8033f1a1fa9157058b5da653e2ef9e1994aa37879

Download Submit
C:\Windows\INF\usbctrl02.inf

Filesize
73KB

MD5
b87333e7241664db85c04974cffcbebd

SHA1
745fd885913e9d404048de6994e2ac9a35c3c17b

SHA256
3db50392544df038d655912c30e07350d601ebd8d6761b8c0ac7a5ecc2969e20

SHA512
fcd3b1c65431fb3d14181433345ad8d8043aaf51bec79afeca19b536a8d9b047e7e70b1ae2751c65a7abb6b58eecf7e87b3ca6172340065c0092ee8c78113cb8

Download Submit
C:\Windows\INF\usbctrl02.inf

Filesize
73KB

MD5
b87333e7241664db85c04974cffcbebd

SHA1
745fd885913e9d404048de6994e2ac9a35c3c17b

SHA256
3db50392544df038d655912c30e07350d601ebd8d6761b8c0ac7a5ecc2969e20

SHA512
fcd3b1c65431fb3d14181433345ad8d8043aaf51bec79afeca19b536a8d9b047e7e70b1ae2751c65a7abb6b58eecf7e87b3ca6172340065c0092ee8c78113cb8

Download Submit
C:\Windows\SysWOW64\inf\MsnSvc64.exe

Filesize
127KB

MD5
2986659ba4fadc88602fb519234625c0

SHA1
a74ba720213e67196c541b6dd800cbe0f8efbbf0

SHA256
99724256cd5130b656ac230e8d18b5535cee2f8903b8f17df359c06855019f2d

SHA512
c1d02c4c93e2aaef8bfe5207900e2ffc856364fc20a9696bbc40c0e40169584db05b5896e49cc86d1b38a5e8033f1a1fa9157058b5da653e2ef9e1994aa37879

Download Submit
C:\Windows\SysWOW64\inf\MsnSvc64.exe

Filesize
127KB

MD5
2986659ba4fadc88602fb519234625c0

SHA1
a74ba720213e67196c541b6dd800cbe0f8efbbf0

SHA256
99724256cd5130b656ac230e8d18b5535cee2f8903b8f17df359c06855019f2d

SHA512
c1d02c4c93e2aaef8bfe5207900e2ffc856364fc20a9696bbc40c0e40169584db05b5896e49cc86d1b38a5e8033f1a1fa9157058b5da653e2ef9e1994aa37879

Download Submit
C:\Windows\SysWOW64\inf\d03.exe

Filesize
72KB

MD5
e25488a5a5db22e7811a2c36a279c369

SHA1
1a67057013effb7af71860c1b2a6f069b825312b

SHA256
89ae301e1f6da89ac4d2925aacd5eb2167592923cecbc01c3619d41b40e6c067

SHA512
0603b7823aa2e9f14361df4b48afe56726580deb75575c49a73c1fe103bb48ee7b6b1d48b4f5ffb14649e2788aa1792b6972f5d989d23d5e23e2ab62bf21643a

Download Submit
C:\Windows\SysWOW64\inf\d03.exe

Filesize
72KB

MD5
e25488a5a5db22e7811a2c36a279c369

SHA1
1a67057013effb7af71860c1b2a6f069b825312b

SHA256
89ae301e1f6da89ac4d2925aacd5eb2167592923cecbc01c3619d41b40e6c067

SHA512
0603b7823aa2e9f14361df4b48afe56726580deb75575c49a73c1fe103bb48ee7b6b1d48b4f5ffb14649e2788aa1792b6972f5d989d23d5e23e2ab62bf21643a

Download Submit
C:\Windows\inf\MsnSvc64.exe

Filesize
127KB

MD5
2986659ba4fadc88602fb519234625c0

SHA1
a74ba720213e67196c541b6dd800cbe0f8efbbf0

SHA256
99724256cd5130b656ac230e8d18b5535cee2f8903b8f17df359c06855019f2d

SHA512
c1d02c4c93e2aaef8bfe5207900e2ffc856364fc20a9696bbc40c0e40169584db05b5896e49cc86d1b38a5e8033f1a1fa9157058b5da653e2ef9e1994aa37879

Download Submit
C:\Windows\inf\usbctrl02.inf

Filesize
73KB

MD5
b87333e7241664db85c04974cffcbebd

SHA1
745fd885913e9d404048de6994e2ac9a35c3c17b

SHA256
3db50392544df038d655912c30e07350d601ebd8d6761b8c0ac7a5ecc2969e20

SHA512
fcd3b1c65431fb3d14181433345ad8d8043aaf51bec79afeca19b536a8d9b047e7e70b1ae2751c65a7abb6b58eecf7e87b3ca6172340065c0092ee8c78113cb8

Download Submit
C:\Windows\inf\usbctrl02.inf

Filesize
73KB

MD5
b87333e7241664db85c04974cffcbebd

SHA1
745fd885913e9d404048de6994e2ac9a35c3c17b

SHA256
3db50392544df038d655912c30e07350d601ebd8d6761b8c0ac7a5ecc2969e20

SHA512
fcd3b1c65431fb3d14181433345ad8d8043aaf51bec79afeca19b536a8d9b047e7e70b1ae2751c65a7abb6b58eecf7e87b3ca6172340065c0092ee8c78113cb8

Download Submit