b6835d710af1bada3819540608abe2ee9c04818c4dd7c91c79e2c1d6adc85a06

Analysis

max time kernel
115s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/08/2024, 13:52

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General

Target

564c363571dde4ae88a9b698e9e816c0N.exe
Size

48KB
MD5

564c363571dde4ae88a9b698e9e816c0
SHA1

85be2522211cad0990fb45f632b5bd11b15a6eb0
SHA256

b6835d710af1bada3819540608abe2ee9c04818c4dd7c91c79e2c1d6adc85a06
SHA512

d1a69881f0b19aedb7394e5b2448fc631ff39019eef78c0b676f14466ccb968263759554111a77eb6bd7264b20ea1f0d91cebf38cb45a129cd10a8a019ddeeae
SSDEEP

768:aHcisZ7uyQZBDM8SPxw0fQ0qjKKRyg7ZG/gg2/Z:aHctJupci0fT7sZGIg8

Score

7^/10

discovery

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	564c363571dde4ae88a9b698e9e816c0N.exe

Executes dropped EXE 1 IoCs

pid	Process
4168	legan.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	564c363571dde4ae88a9b698e9e816c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	legan.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 4168	220	564c363571dde4ae88a9b698e9e816c0N.exe	93
PID 220 wrote to memory of 4168	220	564c363571dde4ae88a9b698e9e816c0N.exe	93
PID 220 wrote to memory of 4168	220	564c363571dde4ae88a9b698e9e816c0N.exe	93

C:\Users\Admin\AppData\Local\Temp\564c363571dde4ae88a9b698e9e816c0N.exe
"C:\Users\Admin\AppData\Local\Temp\564c363571dde4ae88a9b698e9e816c0N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:220
- C:\Users\Admin\AppData\Local\Temp\legan.exe
  "C:\Users\Admin\AppData\Local\Temp\legan.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4168

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4188,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=3996 /prefetch:8
1⤵
PID:2080

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\legan.exe

Filesize
48KB

MD5
d06e618c38415d0845d0466dc54753f6

SHA1
43329e056eef5d06483a6baa5fe4564ca9a091cc

SHA256
15f9cf4c4165b4bb872e5ce9ff9e360ac6109fcefbb57d0e1aa7fa299233ae7c

SHA512
737b7ab1330773df40b01c27af6b27c6ca508bee80da230a8a51f983b4b5316f5ed4d91e6ecb314c3dd8c96a95277269c35e771e577280ae80e765f718fc6bb7

Download Submit
memory/220-0-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download
memory/220-1-0x0000000004000000-0x0000000004006000-memory.dmp

Filesize
24KB

Download