9f984aabd34053dd2ce07f85e3ef33a6cd66b1f0df942af661e0f5dfe48f3b68

Analysis

max time kernel
115s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 04:24

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General

Target

720ea02a26a0c6779bcb85f18e7bda90N.exe
Size

26KB
MD5

720ea02a26a0c6779bcb85f18e7bda90
SHA1

d2c7c32307bd1950f31a5f2f2823c60715817343
SHA256

9f984aabd34053dd2ce07f85e3ef33a6cd66b1f0df942af661e0f5dfe48f3b68
SHA512

a4f87e2a7b11e5a493db4b2966fc158314b9fa0aea896a265f497665694dad5d0865aca00e27d265a3019bed53681d456954cdc04bfe00d62ed2398b484f267e
SSDEEP

384:6gvlQoGKdivmICib0666666666RJ70uIabjbt3TUAKoYQW9EsHyLR7Uq3t3jK:x2oGKdJ5i0uIaOUYP2C+3jK

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-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	720ea02a26a0c6779bcb85f18e7bda90N.exe

Executes dropped EXE 1 IoCs

pid	Process
3076	codecupdate.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4896-0-0x0000000000500000-0x000000000050D000-memory.dmp	upx
behavioral2/files/0x000b000000023429-6.dat	upx
behavioral2/memory/4896-9-0x0000000000500000-0x000000000050D000-memory.dmp	upx
behavioral2/memory/3076-11-0x0000000000500000-0x000000000050D000-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	720ea02a26a0c6779bcb85f18e7bda90N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	codecupdate.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 3076	4896	720ea02a26a0c6779bcb85f18e7bda90N.exe	83
PID 4896 wrote to memory of 3076	4896	720ea02a26a0c6779bcb85f18e7bda90N.exe	83
PID 4896 wrote to memory of 3076	4896	720ea02a26a0c6779bcb85f18e7bda90N.exe	83

C:\Users\Admin\AppData\Local\Temp\720ea02a26a0c6779bcb85f18e7bda90N.exe
"C:\Users\Admin\AppData\Local\Temp\720ea02a26a0c6779bcb85f18e7bda90N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Users\Admin\AppData\Local\Temp\codecupdate.exe
  "C:\Users\Admin\AppData\Local\Temp\codecupdate.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3076

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\codecupdate.exe

Filesize
26KB

MD5
0c82937ca46de6bfc48d5e3e14eace9d

SHA1
a4939ef814cba49ca7a5b90a817b3ac1be555956

SHA256
70bc812bbccbd094654e92eb0ddb7302082af2dfb167075ada10f83fa5cc93a2

SHA512
e6a153ed4f9dcc7d03a4a0750a662be067f48396e7fdf51c0b9fa224e3bae95ae84614aa592564c4088f3590c754cd34f773ae6fccf6785758716437e540fafb

Download Submit
memory/3076-11-0x0000000000500000-0x000000000050D000-memory.dmp

Filesize
52KB

Download
memory/4896-0-0x0000000000500000-0x000000000050D000-memory.dmp

Filesize
52KB

Download
memory/4896-1-0x0000000000501000-0x0000000000502000-memory.dmp

Filesize
4KB

Download
memory/4896-9-0x0000000000500000-0x000000000050D000-memory.dmp

Filesize
52KB

Download