6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359

Analysis

max time kernel
20s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20/10/2022, 06:08

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General

Target

6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
Size

64KB
MD5

72c6ab055cdb1667e0def431451afa28
SHA1

9df86bf628c429c11b37a3eb3e93798964ab8b87
SHA256

6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359
SHA512

35650dc4bb20a5b099f101953fc11a9dee5dae4f89d3671e7f04ace911e2918a91ea1185035c00107ae3621f3d8411eb883958e20f23ea9e14f4c5ba1c2149fd
SSDEEP

1536:V3cpyORJLuB4P4AJJv4Romu/WVaCo91v7MGFhWC:V3c1fP4AJJv45wCE7fFhWC

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"	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe

Deletes itself 1 IoCs

pid	Process
1968	cmd.exe

Loads dropped DLL 9 IoCs

pid	Process
904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft11\Internet Explorar\Desktop.ini	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Internet Explorar\Desktop.ini	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft11\Internet Explorar\Desktop.ini	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
File created	C:\Program Files (x86)\Microsoft11\Internet Explorar\target.lnk	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
File opened for modification	C:\Program Files (x86)\Microsoft11\Internet Explorar\target.lnk	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Internet Explorar\Desktop.ini	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
File opened for modification	C:\Program Files (x86)\Microsoft11\Internet Explorar	attrib.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\tbgw.ico	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
File created	C:\Windows\tbgw.ico	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.of	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.of\ = "offile"	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\DefaultIcon\ = "%1"	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\shell\open	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\DefaultIcon	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\offile	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\shell\open\command	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\shell	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft%S%S\\Internet Explorar\""	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 964	904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe	27
PID 904 wrote to memory of 964	904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe	27
PID 904 wrote to memory of 964	904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe	27
PID 904 wrote to memory of 964	904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe	27
PID 904 wrote to memory of 964	904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe	27
PID 904 wrote to memory of 964	904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe	27
PID 904 wrote to memory of 964	904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe	27
PID 904 wrote to memory of 1968	904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe	30
PID 904 wrote to memory of 1968	904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe	30
PID 904 wrote to memory of 1968	904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe	30
PID 904 wrote to memory of 1968	904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe	30
PID 904 wrote to memory of 1968	904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe	30
PID 904 wrote to memory of 1968	904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe	30
PID 904 wrote to memory of 1968	904	6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe	30

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
964	attrib.exe

C:\Users\Admin\AppData\Local\Temp\6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.exe
"C:\Users\Admin\AppData\Local\Temp\6c8b982c9342c46af31c0349d46d88f12e46201a1e4bb01efe9684cf4c074359.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:904
- 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:964
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\temp_tmp.bat" "
  2⤵
  - Deletes itself
  PID:1968

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

Replay Monitor

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Downloads

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

Filesize
250B

MD5
1740ed0106ec16f9ca0451f3894adbf8

SHA1
36cf24eb673d55cbead6a0429923a0b8df9dc153

SHA256
02faafc073a7323c77cb2b153e954ec7e6584fcc9fa05e087d86e09c531c70d3

SHA512
e9d2aa51063f456e6f725c7830c775594f938d519b41a7e8e700bb30d4b20e42c086bedb1e5d140317358292eedefd6283bb145539352ac122bdaccebe3befb1

Download Submit
\Users\Admin\AppData\Local\Temp\nst4721.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst4721.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst4721.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst4721.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst4721.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst4721.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst4721.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst4721.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst4721.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
memory/904-54-0x0000000075021000-0x0000000075023000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads