919d90c8a3423dcba517601bb4b44722bad44a9ae236bd5f891714eff704851e

Analysis

max time kernel
93s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 00:04

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General

Target

919d90c8a3423dcba517601bb4b44722bad44a9ae236bd5f891714eff704851e.exe
Size

53KB
MD5

a87d1c3e46dc7728928302cc26dff744
SHA1

1a86fb01458b5d9be2915518af6d06887edced67
SHA256

919d90c8a3423dcba517601bb4b44722bad44a9ae236bd5f891714eff704851e
SHA512

3352744ee8cfa5d2e2c95e584ee3eb7f430416f0fc6101de1f5aedbba9da77d2ee57406ce0deca140d831aeae0d624bebfcde12901a40b273c71ba2d827c0e48
SSDEEP

768:2PitRNEGtXXnZ/JudBDtcUtdVCxVOS3fNGq5xgBt3u:RF3wDtkx3P5xse

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	919d90c8a3423dcba517601bb4b44722bad44a9ae236bd5f891714eff704851e.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	hcbnaf.exe

Executes dropped EXE 1 IoCs

pid	Process
2608	hcbnaf.exe

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	919d90c8a3423dcba517601bb4b44722bad44a9ae236bd5f891714eff704851e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hcbnaf.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 2608	3620	919d90c8a3423dcba517601bb4b44722bad44a9ae236bd5f891714eff704851e.exe	82
PID 3620 wrote to memory of 2608	3620	919d90c8a3423dcba517601bb4b44722bad44a9ae236bd5f891714eff704851e.exe	82
PID 3620 wrote to memory of 2608	3620	919d90c8a3423dcba517601bb4b44722bad44a9ae236bd5f891714eff704851e.exe	82

C:\Users\Admin\AppData\Local\Temp\919d90c8a3423dcba517601bb4b44722bad44a9ae236bd5f891714eff704851e.exe
"C:\Users\Admin\AppData\Local\Temp\919d90c8a3423dcba517601bb4b44722bad44a9ae236bd5f891714eff704851e.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Users\Admin\AppData\Local\Temp\hcbnaf.exe
  "C:\Users\Admin\AppData\Local\Temp\hcbnaf.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2608

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

Replay Monitor

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Downloads

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

Filesize
53KB

MD5
884df1123cd51d201588484c2484452f

SHA1
f0f3d24cb60eb71f10bed5eea788cff890d44aa7

SHA256
eaa1ef0eb3f8cfd016c918e02ab1c6d7bc04abbc5d2cf517326b6935cdc498c0

SHA512
f27692cba7983aa7d34f3c3097c4847b6e4f541c4ca9c1788b907d6593e75ab34697c5a98dce868a46c031edd4c2bd196b214e5c77f9acc66bee7260ef3dbd5a

Download Submit
memory/2608-9-0x0000000000340000-0x0000000000345000-memory.dmp

Filesize
20KB

Download
memory/3620-0-0x0000000000FD0000-0x0000000000FD5000-memory.dmp

Filesize
20KB

Download