f893fac6b6a48c5d27ce5665c1174a3c99dc4ba326e57dce71aa7976f9630ee6

Analysis

max time kernel
93s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 03:05

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General

Target

9850fa2456882c05ddd195c79da82346.exe
Size

55KB
MD5

9850fa2456882c05ddd195c79da82346
SHA1

627721f9330713f7294d36c5edac4b011a99777c
SHA256

f893fac6b6a48c5d27ce5665c1174a3c99dc4ba326e57dce71aa7976f9630ee6
SHA512

a15d41a7877d84fdcba09128da8e4503d3ac7d2a4eeea327a6b4d5d95f6a200da71867ebfa2256aafcd9460fc87471239e26fa63882626af2534281acd3bf7fa
SSDEEP

768:Oe3PFaDVyOQgljLDKRJyM3BmsHzSB4us/wJJapg4RoSMZeUZB/qmUuu07dgPVO6O:V3cpyORJLuB4P4AJJv4Romu/DUuHBgY

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	9850fa2456882c05ddd195c79da82346.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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	9850fa2456882c05ddd195c79da82346.exe

Loads dropped DLL 1 IoCs

pid	Process
60	9850fa2456882c05ddd195c79da82346.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer\Desktop.ini	9850fa2456882c05ddd195c79da82346.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer\Desktop.ini	9850fa2456882c05ddd195c79da82346.exe
File created	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer\target.lnk	9850fa2456882c05ddd195c79da82346.exe
File opened for modification	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer	attrib.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\jgpfile\shell\open\command	9850fa2456882c05ddd195c79da82346.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\shell\open	9850fa2456882c05ddd195c79da82346.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft\\%*ie%S3\\%2Internat Explorer\""	9850fa2456882c05ddd195c79da82346.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.jgp	9850fa2456882c05ddd195c79da82346.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.jgp\ = "jgpfile"	9850fa2456882c05ddd195c79da82346.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\DefaultIcon	9850fa2456882c05ddd195c79da82346.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile	9850fa2456882c05ddd195c79da82346.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\DefaultIcon\ = "%1"	9850fa2456882c05ddd195c79da82346.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\shell	9850fa2456882c05ddd195c79da82346.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 60 wrote to memory of 4696	60	9850fa2456882c05ddd195c79da82346.exe	85
PID 60 wrote to memory of 4696	60	9850fa2456882c05ddd195c79da82346.exe	85
PID 60 wrote to memory of 4696	60	9850fa2456882c05ddd195c79da82346.exe	85
PID 60 wrote to memory of 1716	60	9850fa2456882c05ddd195c79da82346.exe	88
PID 60 wrote to memory of 1716	60	9850fa2456882c05ddd195c79da82346.exe	88
PID 60 wrote to memory of 1716	60	9850fa2456882c05ddd195c79da82346.exe	88

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4696	attrib.exe

C:\Users\Admin\AppData\Local\Temp\9850fa2456882c05ddd195c79da82346.exe
"C:\Users\Admin\AppData\Local\Temp\9850fa2456882c05ddd195c79da82346.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:60
- C:\Windows\SysWOW64\attrib.exe
  "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\ie13\Internat Explorer" +s
  2⤵
  - Drops file in Program Files directory
  - Views/modifies file attributes
  PID:4696
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp.bat" "
  2⤵
  PID:1716

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\nss4112.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
bd0a2e589dccc9ed26ef7aa18fb70f5c

SHA1
fd780c30a3e143aaf8a23eef50fbbe3239a1983e

SHA256
62a211ece64d3bee8d6a5278754b1315d45737613b219bd5eccf182eee256c1d

SHA512
a696367051cc65b3ae3240b1f949d95c2d8b6c9089394bee4a536ff5d20e02b25b2b0701c782821d53401a50a005c5269ba8ee69cd4b2303e48be37664b977f4

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads