eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44

Analysis

max time kernel
41s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12-10-2022 17:25

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General

Target

eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
Size

64KB
MD5

769895a910ba8616e771653c4da5b1e0
SHA1

6fbd23240acfb1967b232a64ffef5ea80305cd34
SHA256

eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44
SHA512

90884d795585d56a704fc62a3c011cb73549c6fa6332f0707e9aed2e68b964e47b9a69f94b533a7c14b0346f3020cf92289560d676803fc10cbb442b82bf5d74
SSDEEP

1536:V3cpyORJLuB4P4AJJv4Romu/J/xKzi+5uhOIR:V3c1fP4AJJv45mKO+UpR

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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe

Deletes itself 1 IoCs

pid	Process
912	cmd.exe

Loads dropped DLL 9 IoCs

pid	Process
1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\bin1\Internet Explorar\Desktop.ini	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Internet Explorar\Desktop.ini	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\bin1\Internet Explorar\target.lnk	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Internet Explorar\Desktop.ini	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
File opened for modification	C:\Program Files (x86)\Microsoft\bin1\Internet Explorar	attrib.exe
File opened for modification	C:\Program Files (x86)\Microsoft\bin1\Internet Explorar\Desktop.ini	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
File created	C:\Program Files (x86)\Microsoft\bin1\Internet Explorar\target.lnk	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\tbgw.ico	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
File opened for modification	C:\Windows\tbgw.ico	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.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\.ofc\ = "ofcfile"	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\DefaultIcon	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\shell\open\command	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\shell	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\shell\open	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft\\bin%S\\%2Internet Explorar\""	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.ofc	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\DefaultIcon\ = "%1"	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1568	1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe	28
PID 1996 wrote to memory of 1568	1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe	28
PID 1996 wrote to memory of 1568	1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe	28
PID 1996 wrote to memory of 1568	1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe	28
PID 1996 wrote to memory of 1568	1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe	28
PID 1996 wrote to memory of 1568	1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe	28
PID 1996 wrote to memory of 1568	1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe	28
PID 1996 wrote to memory of 912	1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe	31
PID 1996 wrote to memory of 912	1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe	31
PID 1996 wrote to memory of 912	1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe	31
PID 1996 wrote to memory of 912	1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe	31
PID 1996 wrote to memory of 912	1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe	31
PID 1996 wrote to memory of 912	1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe	31
PID 1996 wrote to memory of 912	1996	eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe	31

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1568	attrib.exe

C:\Users\Admin\AppData\Local\Temp\eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.exe
"C:\Users\Admin\AppData\Local\Temp\eeefe562a93dcd23c74e3037657e14106066850d69e6d27c4f0b6102618aee44.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:1996
- C:\Windows\SysWOW64\attrib.exe
  "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\bin1\Internet Explorar" +s
  2⤵
  - Drops file in Program Files directory
  - Views/modifies file attributes
  PID:1568
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\temp_c.bat" "
  2⤵
  - Deletes itself
  PID:912

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_c.bat

Filesize
250B

MD5
7fece5dda1ec0d8930bb242de420a49d

SHA1
76f92484f279b54d8fa6558f776ed4687bb04cec

SHA256
f5776a6d4f6dd0a4d505cdf41342b74f6cc53126ae1519b3484f9c134fc3aea6

SHA512
82d72e4340fee51d13dbac6f75ff51e714d4b6b166e1925cfa5f20c40fc1cd3b47748abc03a00a9d3300c83cff473d5e3c385268c939a60334ce82a5ca69743d

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF950.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF950.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF950.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF950.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF950.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF950.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF950.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF950.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF950.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
memory/1996-54-0x0000000076031000-0x0000000076033000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads