22503a27c8bd1299e67f484b0c750276323d5a97b9dd45e1da7a935fe377ec1e

Resubmissions

02-08-2024 16:33

240802-t2wr5s1eqj 10

Analysis

max time kernel
150s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
02-08-2024 16:33

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General

Target

Inte.exe
Size

56KB
MD5

1ea2c756a0f0528d2e80ab204aa9de0b
SHA1

44177c8b4959a3b84ae65a5ea724a8e409b3dec1
SHA256

6d77d544364cdfaebd7252d14091653c903d0a11c34bddad60f5951da257a651
SHA512

ecaa88ae3a0b51ba9320870a6b7172a3f02c466571d79f7536ee3b557da14f0b268be39cc3fbeadae79f3de33d816a59737efdc7ce11d322d4891c82421d1de5
SSDEEP

768:KaYYkgyowxPDvHzWpHPhh+RT26A6PhSDFPlkFUHHnOsv7uZYDl:KaYYkgyowxbeHPyRT2wZSZPbnO9Wl

Score

7^/10

defense_evasion discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

vmware-vmx.exe

pid process

1260 vmware-vmx.exe
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004
Drops file in System32 directory 2 IoCs

Processes:

Inte.exe

description ioc process

File created C:\Windows\SysWOW64\vmware-vmx.exe Inte.exe
File opened for modification C:\Windows\SysWOW64\vmware-vmx.exe Inte.exe

pid	process
1260	vmware-vmx.exe

description	ioc	process
File created	C:\Windows\SysWOW64\vmware-vmx.exe	Inte.exe
File opened for modification	C:\Windows\SysWOW64\vmware-vmx.exe	Inte.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

vmware-vmx.exeInte.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vmware-vmx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Inte.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

vmware-vmx.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vmware-vmx.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	vmware-vmx.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Inte.exe

description pid process

Token: SeIncBasePriorityPrivilege 1484 Inte.exe

description	pid	process
Token: SeIncBasePriorityPrivilege	1484	Inte.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Inte.exe

description	pid	process	target process
PID 1484 wrote to memory of 2736	1484	Inte.exe	cmd.exe
PID 1484 wrote to memory of 2736	1484	Inte.exe	cmd.exe
PID 1484 wrote to memory of 2736	1484	Inte.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\Inte.exe
"C:\Users\Admin\AppData\Local\Temp\Inte.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1484

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\Inte.exe > nul
2⤵
- System Location Discovery: System Language Discovery
PID:2736

C:\Windows\SysWOW64\vmware-vmx.exe
C:\Windows\SysWOW64\vmware-vmx.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:1260

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\SysWOW64\vmware-vmx.exe
Filesize
56KB

MD5
1ea2c756a0f0528d2e80ab204aa9de0b

SHA1
44177c8b4959a3b84ae65a5ea724a8e409b3dec1

SHA256
6d77d544364cdfaebd7252d14091653c903d0a11c34bddad60f5951da257a651

SHA512
ecaa88ae3a0b51ba9320870a6b7172a3f02c466571d79f7536ee3b557da14f0b268be39cc3fbeadae79f3de33d816a59737efdc7ce11d322d4891c82421d1de5

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