afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b

Analysis

max time kernel
128s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2022, 19:48

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General

Target

afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
Size

64KB
MD5

50ef7f573e2236cafdfd2d0aeae02ae9
SHA1

73ab7e1ad34db85c29afb66d19f51cc02c2c35a2
SHA256

afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b
SHA512

ad5d8d02a4c033a6eeb7c858beba5c5d4f1abfa7ceb6c894c7170bca8decae6487a30dc4158ef3de25070c8a6dd5cd4eb867d874fcd5921f587a7d10aa80a053
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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe

Loads dropped DLL 11 IoCs

pid	Process
4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft11\Internet Explorar\Desktop.ini	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Internet Explorar\Desktop.ini	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.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	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
File created	C:\Program Files (x86)\Microsoft11\Internet Explorar\target.lnk	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
File opened for modification	C:\Program Files (x86)\Microsoft11\Internet Explorar\target.lnk	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Internet Explorar\Desktop.ini	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.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 created	C:\Windows\tbgw.ico	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
File opened for modification	C:\Windows\tbgw.ico	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.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\offile	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\shell\open\command	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\shell	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\shell\open	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft%S%S\\Internet Explorar\""	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.of	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.of\ = "offile"	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\DefaultIcon	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\offile\DefaultIcon\ = "%1"	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 2196	4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe	83
PID 4904 wrote to memory of 2196	4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe	83
PID 4904 wrote to memory of 2196	4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe	83
PID 4904 wrote to memory of 316	4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe	86
PID 4904 wrote to memory of 316	4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe	86
PID 4904 wrote to memory of 316	4904	afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe	86

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
2196	attrib.exe

C:\Users\Admin\AppData\Local\Temp\afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe
"C:\Users\Admin\AppData\Local\Temp\afad91aeea719c4e5d4fc0804a63d35417c63d426d1d9603b3a14d4f81173b0b.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Checks computer location settings
- 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:4904
- 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:2196
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\temp_tmp.bat" "
  2⤵
  PID:316

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nskBAFA.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
C:\Users\Admin\AppData\Local\Temp\nskBAFA.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
C:\Users\Admin\AppData\Local\Temp\nskBAFA.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
C:\Users\Admin\AppData\Local\Temp\nskBAFA.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
C:\Users\Admin\AppData\Local\Temp\nskBAFA.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
C:\Users\Admin\AppData\Local\Temp\nskBAFA.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
C:\Users\Admin\AppData\Local\Temp\nskBAFA.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
C:\Users\Admin\AppData\Local\Temp\nskBAFA.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
C:\Users\Admin\AppData\Local\Temp\nskBAFA.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
C:\Users\Admin\AppData\Local\Temp\nskBAFA.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

Download Submit
C:\Users\Admin\AppData\Local\Temp\nskBAFA.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

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

Filesize
250B

MD5
3017d0c38bf91e41e4482f472177a0b3

SHA1
0d8a8f1dedf81c7992f5aa72411829755d66221a

SHA256
c5331f659cc33df4582f7afeca510575935f8d4d6618e0133e78b4d980eda1e5

SHA512
6c08a8abfd944e2b84ef2b6bf2f08bdb17b259fa38c791417724c9b1f2781bb2682fb4b29485de958789ad8d4367127cb7550a144dcbb64dd470f5bdc7337a2d

Download Submit
memory/4904-142-0x0000000002291000-0x0000000002293000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads