0840bf76133284d6a55f5278eb1dabe86fa472f69d21734cb035286e677c2a9b

Analysis

max time kernel
135s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2024, 23:22

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General

Target

422e47dbf0e5bcd7e349f686f95e90ea.exe
Size

257KB
MD5

422e47dbf0e5bcd7e349f686f95e90ea
SHA1

19287bcf85b0c3e1691e34e8af21dc4e66ae94d3
SHA256

0840bf76133284d6a55f5278eb1dabe86fa472f69d21734cb035286e677c2a9b
SHA512

12dd2a6cbed5f6b2a7004c5e7a91591b7fede8a4fe302a1ed4fd46175b63afb7397795bc618f8d57c8ff86178eb8b0eca8b09af68545ffabf82632d0b43b9194
SSDEEP

3072:lprnHbr+kgB2xf6Vg7JGBWFsdGjVhjO0skG7CjjZyvtrWCSnto+HivUdY6VfcCzm:DHb0If6Vgkn+FAvbIojfCKGM

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\windll = "c:\\program files\\internet explorer\\RZ3.exe"	422e47dbf0e5bcd7e349f686f95e90ea.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	\??\c:\program files\internet explorer\RZ3.exe	422e47dbf0e5bcd7e349f686f95e90ea.exe
File opened for modification	\??\c:\program files\internet explorer\RZ3.exe	422e47dbf0e5bcd7e349f686f95e90ea.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
824	3560	WerFault.exe	87

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	422e47dbf0e5bcd7e349f686f95e90ea.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	422e47dbf0e5bcd7e349f686f95e90ea.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\DriverDesc	422e47dbf0e5bcd7e349f686f95e90ea.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3560	422e47dbf0e5bcd7e349f686f95e90ea.exe

C:\Users\Admin\AppData\Local\Temp\422e47dbf0e5bcd7e349f686f95e90ea.exe
"C:\Users\Admin\AppData\Local\Temp\422e47dbf0e5bcd7e349f686f95e90ea.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
PID:3560
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 1372
  2⤵
  - Program crash
  PID:824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3560 -ip 3560
1⤵
PID:3676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

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

memory/3560-1-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3560-2-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3560-4-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads