90d8f0210be2e8f8c5041e18bd163997d22d0d6158ebd8fd165fc70f223186a9

Analysis

max time kernel
106s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2024, 18:12

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General

Target

90d8f0210be2e8f8c5041e18bd163997d22d0d6158ebd8fd165fc70f223186a9N.exe
Size

54KB
MD5

17024d7925e5130b751a300a18e45230
SHA1

d158e1fa23eee58167f7ef0d40b0b106a101e459
SHA256

90d8f0210be2e8f8c5041e18bd163997d22d0d6158ebd8fd165fc70f223186a9
SHA512

6e25c36119da150f41961b71eb3bf6d0d4f1cad4744b97ef94dbd8416c76ca05e565d12689db9cd834808c7122982a7c82753f37195922eed52b85b4ef2d4c09
SSDEEP

768:T6LsoEEeegiZPvEhHSG+gkum/kLyMro2GtOOtEvwDpjhXMLamkcb:T6QFElP6n+gxmddpMOtEvwDpjwag

Score

7^/10

discovery upx

Malware Config

Signatures

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	90d8f0210be2e8f8c5041e18bd163997d22d0d6158ebd8fd165fc70f223186a9N.exe

Executes dropped EXE 1 IoCs

pid	Process
1984	asih.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4384-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x0008000000023481-13.dat	upx
behavioral2/memory/4384-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/memory/1984-26-0x0000000000500000-0x0000000000510000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	90d8f0210be2e8f8c5041e18bd163997d22d0d6158ebd8fd165fc70f223186a9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4384 wrote to memory of 1984	4384	90d8f0210be2e8f8c5041e18bd163997d22d0d6158ebd8fd165fc70f223186a9N.exe	82
PID 4384 wrote to memory of 1984	4384	90d8f0210be2e8f8c5041e18bd163997d22d0d6158ebd8fd165fc70f223186a9N.exe	82
PID 4384 wrote to memory of 1984	4384	90d8f0210be2e8f8c5041e18bd163997d22d0d6158ebd8fd165fc70f223186a9N.exe	82

C:\Users\Admin\AppData\Local\Temp\90d8f0210be2e8f8c5041e18bd163997d22d0d6158ebd8fd165fc70f223186a9N.exe
"C:\Users\Admin\AppData\Local\Temp\90d8f0210be2e8f8c5041e18bd163997d22d0d6158ebd8fd165fc70f223186a9N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4384
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
55KB

MD5
edfcbf5333b1237a81283a36aa67537d

SHA1
c1b47e423c25c40cf88178b69ffd3f8950a49546

SHA256
33c9e2a75a23622609991fcd17340fb871abe22be76320d45030a27426475b21

SHA512
3d6e5ac9fb1a06ccf2e0e7a37a0fceb214902fb5c240adfced32f2b6b7734e00cb902f6d2869121aef4a0fbbc6c807b8ff61efd951525b2e232a5acb17846f54

Download Submit
memory/1984-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/1984-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1984-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4384-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/4384-1-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/4384-2-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/4384-3-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/4384-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download