da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72

Analysis

max time kernel
150s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/09/2024, 02:41

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General

Target

da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72.exe
Size

28KB
MD5

47d19567b024466c3f9d47e1c50dfc4e
SHA1

65123b10214d00bc6d340e7d273f788cc6064dd9
SHA256

da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72
SHA512

f355c719a991318f53e492e5e0ad1119171193c48a63647e0b058c344fe9b49fb0cdcd5ecc97affc34f7a394a87fead5f721e134541ccf5e2f785e5ae014639e
SSDEEP

768:+ypFFSBXQtdcY4z7XxveMtSNYwQLao8WbEX:JpFjdctz7Xxvvt8YZT8WbI

Score

7^/10

discovery persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\rrev\" %1 %*"	da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\rrev.txt	da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72.exe
File created	C:\Windows\rrev.exe	da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72.exe
File opened for modification	C:\Windows\rrev.exe	da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72.exe
File opened for modification	C:\Windows\rrevrrev.dll	da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"C:\\Windows\\rrev\" %1 %*"	da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3036	da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72.exe
3036	da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72.exe

C:\Users\Admin\AppData\Local\Temp\da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72.exe
"C:\Users\Admin\AppData\Local\Temp\da126107ebee9e7950d70c293841c333b688c4103ddcf2e10902474218907a72.exe"
1⤵
- Modifies system executable filetype association
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:3036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3036-0-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3036-8-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3036-9-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3036-10-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3036-11-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3036-12-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3036-13-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3036-14-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3036-15-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3036-16-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3036-17-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3036-18-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3036-19-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3036-20-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3036-21-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3036-22-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download