9f291fc0fc47f206e76fdf8e121f39c94d4805b0607e2677195eae43024bbb94

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 09:16

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General

Target

5add7df8ecb1ed8c93cf5ad24f032f80.exe
Size

55KB
MD5

5add7df8ecb1ed8c93cf5ad24f032f80
SHA1

c7b6ed448a8fdf22e7d4dc35e5cca9b221fae5e9
SHA256

9f291fc0fc47f206e76fdf8e121f39c94d4805b0607e2677195eae43024bbb94
SHA512

02c557d28ff4686cefa34fc076abf28a68486d0eded98e921a1cc74f112adee4e7296218e4a31cbadb03b98c603f37d2581e2151e8f4831abb9800b9b066f29b
SSDEEP

1536:V3cpyORJLuB4P4AJJv4Romu/k58C28ho3:V3c1fP4AJJv45j8C2mo3

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	5add7df8ecb1ed8c93cf5ad24f032f80.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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	5add7df8ecb1ed8c93cf5ad24f032f80.exe

Loads dropped DLL 1 IoCs

pid	Process
4044	5add7df8ecb1ed8c93cf5ad24f032f80.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\ie1\Internat Explorer\Desktop.ini	5add7df8ecb1ed8c93cf5ad24f032f80.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\ie1\Internat Explorer	attrib.exe
File opened for modification	C:\Program Files (x86)\Microsoft\ie1\Internat Explorer\Desktop.ini	5add7df8ecb1ed8c93cf5ad24f032f80.exe
File created	C:\Program Files (x86)\Microsoft\ie1\Internat Explorer\target.lnk	5add7df8ecb1ed8c93cf5ad24f032f80.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\.ogc	5add7df8ecb1ed8c93cf5ad24f032f80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.ogc\ = "ogcfile"	5add7df8ecb1ed8c93cf5ad24f032f80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell\open\command	5add7df8ecb1ed8c93cf5ad24f032f80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell\open	5add7df8ecb1ed8c93cf5ad24f032f80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft\\ie%S\\%2Internat Explorer\""	5add7df8ecb1ed8c93cf5ad24f032f80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\DefaultIcon	5add7df8ecb1ed8c93cf5ad24f032f80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile	5add7df8ecb1ed8c93cf5ad24f032f80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\DefaultIcon\ = "%1"	5add7df8ecb1ed8c93cf5ad24f032f80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ogcfile\shell	5add7df8ecb1ed8c93cf5ad24f032f80.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 948	4044	5add7df8ecb1ed8c93cf5ad24f032f80.exe	87
PID 4044 wrote to memory of 948	4044	5add7df8ecb1ed8c93cf5ad24f032f80.exe	87
PID 4044 wrote to memory of 948	4044	5add7df8ecb1ed8c93cf5ad24f032f80.exe	87
PID 4044 wrote to memory of 5080	4044	5add7df8ecb1ed8c93cf5ad24f032f80.exe	91
PID 4044 wrote to memory of 5080	4044	5add7df8ecb1ed8c93cf5ad24f032f80.exe	91
PID 4044 wrote to memory of 5080	4044	5add7df8ecb1ed8c93cf5ad24f032f80.exe	91

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
948	attrib.exe

C:\Users\Admin\AppData\Local\Temp\5add7df8ecb1ed8c93cf5ad24f032f80.exe
"C:\Users\Admin\AppData\Local\Temp\5add7df8ecb1ed8c93cf5ad24f032f80.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
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Windows\SysWOW64\attrib.exe
  "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\ie1\Internat Explorer" +s
  2⤵
  - Drops file in Program Files directory
  - Views/modifies file attributes
  PID:948
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp.bat" "
  2⤵
  PID:5080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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\nsc4C2E.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

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

Filesize
186B

MD5
0c9e37b737dd6fe62277052ffe1b8a8e

SHA1
ad802963eb42631d8435940aa8b06ad3d8b663d0

SHA256
1a426630c9bde25de986a393fe2ae3c1f84a7d0317c0e7ee7e288a5def3f47b0

SHA512
77c762111d25f92e47d62a15a321df4591784e3534c77fc2b6406e2c954b10eca0ae6fa4712788b2546f8ca34500bad914369dc2eafeac2625daad6b8fd8dec6

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads