96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f

Analysis

max time kernel
34s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29/10/2022, 20:18

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General

Target

96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
Size

64KB
MD5

a359fc355a4f4aacd27dade26ea5983f
SHA1

3f618ef34c837dffacd22a3779f84e2c9d3b9484
SHA256

96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f
SHA512

a2b80cf7240fb54bb1f661e89c93de25d084f725f4133e9e144d9c46a1d35e88440672b494fbf157918874e0bd708b46f69fc5e99a07c520960faedf3cae1859
SSDEEP

1536:V3cpyORJLuB4P4AJJv4Romu/J/xKzi+5uhOIM:V3c1fP4AJJv45mKO+UpM

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"	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe

Deletes itself 1 IoCs

pid	Process
1692	cmd.exe

Loads dropped DLL 9 IoCs

pid	Process
1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.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	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Internet Explorar\Desktop.ini	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\bin1\Internet Explorar\Desktop.ini	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
File created	C:\Program Files (x86)\Microsoft\bin1\Internet Explorar\target.lnk	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
File opened for modification	C:\Program Files (x86)\Microsoft\bin1\Internet Explorar\target.lnk	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Internet Explorar\Desktop.ini	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
File opened for modification	C:\Program Files (x86)\Microsoft\bin1\Internet Explorar	attrib.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\tbgw.ico	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
File opened for modification	C:\Windows\tbgw.ico	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.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\.ofc	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\DefaultIcon	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\shell	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.ofc\ = "ofcfile"	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\DefaultIcon\ = "%1"	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\shell\open\command	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\shell\open	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft\\bin%S\\%2Internet Explorar\""	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 1732	1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe	27
PID 1496 wrote to memory of 1732	1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe	27
PID 1496 wrote to memory of 1732	1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe	27
PID 1496 wrote to memory of 1732	1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe	27
PID 1496 wrote to memory of 1732	1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe	27
PID 1496 wrote to memory of 1732	1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe	27
PID 1496 wrote to memory of 1732	1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe	27
PID 1496 wrote to memory of 1692	1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe	32
PID 1496 wrote to memory of 1692	1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe	32
PID 1496 wrote to memory of 1692	1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe	32
PID 1496 wrote to memory of 1692	1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe	32
PID 1496 wrote to memory of 1692	1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe	32
PID 1496 wrote to memory of 1692	1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe	32
PID 1496 wrote to memory of 1692	1496	96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe	32

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1732	attrib.exe

C:\Users\Admin\AppData\Local\Temp\96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.exe
"C:\Users\Admin\AppData\Local\Temp\96469f19ad9d470038e5db4200f401b082e4d62ec3e1c551eb41aac2e656c63f.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:1496
- 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:1732
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\temp_c.bat" "
  2⤵
  - Deletes itself
  PID:1692

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
8c9b43380505c8213078abe7bf81e791

SHA1
ac604971bc54f5bb7922398523dede57d7cc6eea

SHA256
7383a3a892eb172877b5c96b088425d8a02c2dcab6d62d60cb2bd82e35906ae5

SHA512
f39f4290865a9088a785e98a22f41e3a25faee5d55d4025e11184293a3b31697c631238472e559cc94243d4f9a44cf43e5300082c635ae791aecb06850511487

Download Submit
\Users\Admin\AppData\Local\Temp\nst121D.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst121D.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst121D.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst121D.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst121D.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst121D.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst121D.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst121D.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nst121D.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
memory/1496-54-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads