5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde

Analysis

max time kernel
35s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11/10/2022, 03:53

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General

Target

5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
Size

64KB
MD5

110f202c50bf58fe7cbfe1d4b2ae012b
SHA1

144a03282286083704c5637844e47dbf82edef3c
SHA256

5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde
SHA512

d9d04278e923b017a1d4ef323f94eb13be9fa669fc61710a71e73a87434d6363d132ef5c0bfcc8c9931650f56b52a470ed52b857bd73a3928a510ad32eda34cc
SSDEEP

1536:V3cpyORJLuB4P4AJJv4Romu/WVaCo91v7MGFhWr:V3c1fP4AJJv45wCE7fFhWr

Score

10^/10

evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe

Deletes itself 1 IoCs

pid	Process
820	cmd.exe

Loads dropped DLL 9 IoCs

pid	Process
1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft11\Internet Explorar\Desktop.ini	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Internet Explorar\Desktop.ini	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft11\Internet Explorar	attrib.exe
File opened for modification	C:\Program Files (x86)\Microsoft11\Internet Explorar\Desktop.ini	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
File created	C:\Program Files (x86)\Microsoft11\Internet Explorar\target.lnk	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
File opened for modification	C:\Program Files (x86)\Microsoft11\Internet Explorar\target.lnk	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Internet Explorar\Desktop.ini	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\tbgw.ico	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
File opened for modification	C:\Windows\tbgw.ico	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\DefaultIcon\ = "%1"	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\shell	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft%S%S\\Internet Explorar\""	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\shell\open	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.of	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.of\ = "offile"	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\DefaultIcon	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\offile	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\shell\open\command	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 1756	1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe	27
PID 1880 wrote to memory of 1756	1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe	27
PID 1880 wrote to memory of 1756	1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe	27
PID 1880 wrote to memory of 1756	1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe	27
PID 1880 wrote to memory of 1756	1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe	27
PID 1880 wrote to memory of 1756	1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe	27
PID 1880 wrote to memory of 1756	1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe	27
PID 1880 wrote to memory of 820	1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe	30
PID 1880 wrote to memory of 820	1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe	30
PID 1880 wrote to memory of 820	1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe	30
PID 1880 wrote to memory of 820	1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe	30
PID 1880 wrote to memory of 820	1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe	30
PID 1880 wrote to memory of 820	1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe	30
PID 1880 wrote to memory of 820	1880	5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe	30

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1756	attrib.exe

C:\Users\Admin\AppData\Local\Temp\5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe
"C:\Users\Admin\AppData\Local\Temp\5fac13b730c8507e9a5f153d49aa1a0cd0b2440dacf6298ac178912d751eccde.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Loads dropped DLL
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Windows\SysWOW64\attrib.exe
  "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft11\Internet Explorar" +s
  2⤵
  - Drops file in Program Files directory
  - Views/modifies file attributes
  PID:1756
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\temp_tmp.bat" "
  2⤵
  - Deletes itself
  PID:820

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\temp_tmp.bat

Filesize
250B

MD5
2e765d0e0197f7c0310ad70cab98c648

SHA1
e301d2f31cb4518dedd25af698ce924972c29f6d

SHA256
8f961ce4f2297b07d2b92d8ad9fe651978d3b3c8eba78d7cc47b7683120537a9

SHA512
702bd2dd06e75950702b6fcff31d47f3c7ccec8e7a7a6965d3d68f6abd011d6e0fe4623bcb002af830c0bfaa032e08851f5eca10c142d9928ca6f08159a25697

Download Submit
\Users\Admin\AppData\Local\Temp\nso2EB1.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nso2EB1.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nso2EB1.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nso2EB1.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nso2EB1.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nso2EB1.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nso2EB1.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nso2EB1.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nso2EB1.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
memory/1880-54-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads