30e73653a59e8165fc6c63181fc8d76c3d77d6e9fe7f19c410b7849bf6f953a2

Analysis

max time kernel
139s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
17/07/2023, 17:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9de40f8d9f9332_JC.exe
Size

48KB
MD5

9de40f8d9f9332b32b79c072626015e5
SHA1

2d372a62499f658dba9077edbc7d13a369df65cf
SHA256

30e73653a59e8165fc6c63181fc8d76c3d77d6e9fe7f19c410b7849bf6f953a2
SHA512

c2900b5c764906ed47e711f779867c2bbd7437d288076b8c9ea0c05da4025d979dec5d1ba74811c3c0f8c23e77b4dcc503128d5b595c5161785f7e4237cb1bda
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQ7suIlsw92KFXcTDXYW:V6QFElP6n+gMQMOtEvwDpjeJQ7pojaH

Score

7^/10

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-1-5-21-4176143399-3250363947-192774652-1000\Control Panel\International\Geo\Nation	9de40f8d9f9332_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
2732	asih.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{3E57E851-1AAE-4B29-89BE-F0B1CE1331BC}.catalogItem	svchost.exe

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

System Information Discovery
T1082

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	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 2732	4856	9de40f8d9f9332_JC.exe	86
PID 4856 wrote to memory of 2732	4856	9de40f8d9f9332_JC.exe	86
PID 4856 wrote to memory of 2732	4856	9de40f8d9f9332_JC.exe	86

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:2524

C:\Users\Admin\AppData\Local\Temp\9de40f8d9f9332_JC.exe
"C:\Users\Admin\AppData\Local\Temp\9de40f8d9f9332_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2732

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
48KB

MD5
ce26c431da797e6a6e7165c20935bf3e

SHA1
12a7787c4feaa315f59e230549c9a5520ba9bb44

SHA256
fbe244ffb2cb0334d0631254ac9b6646c30e7ced921eedc5542cb8bf91409727

SHA512
5a3f09dd0198bfb38954df8157e02ef4063b52291c8438f1bfe4a7a76f6e461e1619dd4800256c9ebcf994dc66b030332d312e864aa5764c65d6cc371cd647e8

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

Filesize
48KB

MD5
ce26c431da797e6a6e7165c20935bf3e

SHA1
12a7787c4feaa315f59e230549c9a5520ba9bb44

SHA256
fbe244ffb2cb0334d0631254ac9b6646c30e7ced921eedc5542cb8bf91409727

SHA512
5a3f09dd0198bfb38954df8157e02ef4063b52291c8438f1bfe4a7a76f6e461e1619dd4800256c9ebcf994dc66b030332d312e864aa5764c65d6cc371cd647e8

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

Filesize
48KB

MD5
ce26c431da797e6a6e7165c20935bf3e

SHA1
12a7787c4feaa315f59e230549c9a5520ba9bb44

SHA256
fbe244ffb2cb0334d0631254ac9b6646c30e7ced921eedc5542cb8bf91409727

SHA512
5a3f09dd0198bfb38954df8157e02ef4063b52291c8438f1bfe4a7a76f6e461e1619dd4800256c9ebcf994dc66b030332d312e864aa5764c65d6cc371cd647e8

Download Submit
memory/2732-150-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/2732-151-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/4856-133-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4856-134-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4856-135-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads