ddaf28525d3103b25b0863128b94d320eaba91051c1886267c5f98a9fa7d442e

General

Target

b5787825208888ef4a9c56d2f857089c.exe
Size

64KB
MD5

b5787825208888ef4a9c56d2f857089c
SHA1

f055cabc8e10630e5c457b4272980718b60877d8
SHA256

ddaf28525d3103b25b0863128b94d320eaba91051c1886267c5f98a9fa7d442e
SHA512

392e359a903099aeee6aa4a8b03383d3d6ec5c767f451b16d55f396166e427c543528c1a096acc105110bcd1750f6a4ed52e779a01ead729023ff92675cd69f4
SSDEEP

1536:V3cpyORJLuB4P4AJJv4Romu/gYF5XCcx7icBbMVMEg:V3c1fP4AJJv45sCcx7JBb/Eg

Score

10^/10

evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3787592910-3720486031-2929222812-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	b5787825208888ef4a9c56d2f857089c.exe

Deletes itself 1 IoCs

pid	Process
672	cmd.exe

Loads dropped DLL 9 IoCs

pid	Process
1884	b5787825208888ef4a9c56d2f857089c.exe
1884	b5787825208888ef4a9c56d2f857089c.exe
1884	b5787825208888ef4a9c56d2f857089c.exe
1884	b5787825208888ef4a9c56d2f857089c.exe
1884	b5787825208888ef4a9c56d2f857089c.exe
1884	b5787825208888ef4a9c56d2f857089c.exe
1884	b5787825208888ef4a9c56d2f857089c.exe
1884	b5787825208888ef4a9c56d2f857089c.exe
1884	b5787825208888ef4a9c56d2f857089c.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\soft1\Internet Explorar\Desktop.ini	b5787825208888ef4a9c56d2f857089c.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Internet Explorar\Desktop.ini	b5787825208888ef4a9c56d2f857089c.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\soft1\Internet Explorar\Desktop.ini	b5787825208888ef4a9c56d2f857089c.exe
File created	C:\Program Files (x86)\Microsoft\soft1\Internet Explorar\target.lnk	b5787825208888ef4a9c56d2f857089c.exe
File opened for modification	C:\Program Files (x86)\Microsoft\soft1\Internet Explorar\target.lnk	b5787825208888ef4a9c56d2f857089c.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Internet Explorar\Desktop.ini	b5787825208888ef4a9c56d2f857089c.exe
File opened for modification	C:\Program Files (x86)\Microsoft\soft1\Internet Explorar	attrib.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\tbgw.ico	b5787825208888ef4a9c56d2f857089c.exe
File opened for modification	C:\Windows\tbgw.ico	b5787825208888ef4a9c56d2f857089c.exe

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.ofc	b5787825208888ef4a9c56d2f857089c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.ofc\ = "ofcfile"	b5787825208888ef4a9c56d2f857089c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile	b5787825208888ef4a9c56d2f857089c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\shell\open\command	b5787825208888ef4a9c56d2f857089c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft\\soft%*%S\\%2Internet Explorar\""	b5787825208888ef4a9c56d2f857089c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\DefaultIcon	b5787825208888ef4a9c56d2f857089c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\DefaultIcon\ = "%1"	b5787825208888ef4a9c56d2f857089c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\shell	b5787825208888ef4a9c56d2f857089c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ofcfile\shell\open	b5787825208888ef4a9c56d2f857089c.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 2168	1884	b5787825208888ef4a9c56d2f857089c.exe	28
PID 1884 wrote to memory of 2168	1884	b5787825208888ef4a9c56d2f857089c.exe	28
PID 1884 wrote to memory of 2168	1884	b5787825208888ef4a9c56d2f857089c.exe	28
PID 1884 wrote to memory of 2168	1884	b5787825208888ef4a9c56d2f857089c.exe	28
PID 1884 wrote to memory of 2168	1884	b5787825208888ef4a9c56d2f857089c.exe	28
PID 1884 wrote to memory of 2168	1884	b5787825208888ef4a9c56d2f857089c.exe	28
PID 1884 wrote to memory of 2168	1884	b5787825208888ef4a9c56d2f857089c.exe	28
PID 1884 wrote to memory of 672	1884	b5787825208888ef4a9c56d2f857089c.exe	31
PID 1884 wrote to memory of 672	1884	b5787825208888ef4a9c56d2f857089c.exe	31
PID 1884 wrote to memory of 672	1884	b5787825208888ef4a9c56d2f857089c.exe	31
PID 1884 wrote to memory of 672	1884	b5787825208888ef4a9c56d2f857089c.exe	31
PID 1884 wrote to memory of 672	1884	b5787825208888ef4a9c56d2f857089c.exe	31
PID 1884 wrote to memory of 672	1884	b5787825208888ef4a9c56d2f857089c.exe	31
PID 1884 wrote to memory of 672	1884	b5787825208888ef4a9c56d2f857089c.exe	31

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2168	attrib.exe

C:\Users\Admin\AppData\Local\Temp\b5787825208888ef4a9c56d2f857089c.exe
"C:\Users\Admin\AppData\Local\Temp\b5787825208888ef4a9c56d2f857089c.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:1884
- C:\Windows\SysWOW64\attrib.exe
  "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\soft1\Internet Explorar" +s
  2⤵
  - Drops file in Program Files directory
  - Views/modifies file attributes
  PID:2168
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\temp_c.bat" "
  2⤵
  - Deletes itself
  PID:672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft\soft1\Internet Explorar\Desktop.ini

Filesize
75B

MD5
254a842845d5fe636a018ed64927573f

SHA1
405c601e91dbd53febdca03e5ccc1fd1b03107be

SHA256
bc4eaf790a990a2dbb8460775c257f603d2303a7ab282dd5f405264af202282c

SHA512
e817292fe07e880cd21e1cba72d4fec097fab51f21012a891bad6be6d43da8573a2ecc881a9c9c6a01dc421b55eb4734a79803899e51234ff4bd4c2a4a8a8acf

Download Submit
C:\Program Files (x86)\Microsoft\soft1\Internet Explorar\target.lnk

Filesize
1KB

MD5
0d87c85b06cf079e9053bea024585671

SHA1
af254ce18f33372910f86ed47127ef8761e50ee2

SHA256
1013e711e6789ebdf62717fe7d44d2c21b822fe4e32b6660eb204e661efd9255

SHA512
95be698182e6b6ffbabe21faee0af6c7ac8e6c4fa1c0f8b34d042599c98ac29590d845a248e816057555c4c4a706d426563d365b912694517554d681cef4efb6

Download Submit
C:\Users\Admin\AppData\Local\Temp\temp_c.bat

Filesize
186B

MD5
d488bbe78b64060cb66e2246fb943831

SHA1
81ceb5883023c11a0a895a962e515c955095df44

SHA256
43dc93c19f4afe84f3ade917371a45e64dc8f493a9700c1b67c54b08232ff1e5

SHA512
afd9abcb5edbc04b694236245ed25f3498fcb0f50159d969b836de3d04e0bf69e404cf13443cb5762f5951b51afdfc195ccabb6affac9efdaed2608325e051f3

Download Submit
C:\Users\Public\Desktop\Internet Explorar.ofc

Filesize
3KB

MD5
0caa7366baa9bfa31d74d6ca56524551

SHA1
182c3864cb1357c64165cf432e223b4ab8ee0e5f

SHA256
f3773735bdae040b28c801c78377784b669311c1ff659814b987e1e9b9bc9999

SHA512
87e3601cbde307c62f452985b0c591d562b3c6f7b204c0a4fe7f666c22e1ce22064acf71d5a083765e9271429f6e7f6c447b1549c7cbbdb81e2f3b7a1e52126a

Download Submit
C:\Users\Public\Desktop\ÌÔ ±¦ Íø ¹º.lnk

Filesize
1KB

MD5
5ffaf2527bc8e175c988c8dc53dbc484

SHA1
7c069a0e54469453fdc91d57bfb0e82e2e539777

SHA256
2f58298a3e901293b80ad5ebc164e53e76e079c3e86252f1b34f702c55ada96e

SHA512
f90556ed1bd94a994d3a6573757f1214cfacb03ee5d6e1b8d277fb00f95371045e279b3a05189de7baf832605845d11a99196ac85de6c0ce050c611a9ab3b8ba

Download Submit
\Users\Admin\AppData\Local\Temp\nsy5CC2.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
\Users\Admin\AppData\Local\Temp\nsy5CC2.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads