b2733fa637076db3266c3ceb1a3e6b98636a1c3d6dad2e3a61788a2b7774a4bd

Analysis

max time kernel
106s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 06:30

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General

Target

b2733fa637076db3266c3ceb1a3e6b98636a1c3d6dad2e3a61788a2b7774a4bdN.exe
Size

62KB
MD5

50d5d68b0f4febc4c181fc8ef4f0b050
SHA1

677ddd69ff3c724738a8d21bdd32d2d1fb75265f
SHA256

b2733fa637076db3266c3ceb1a3e6b98636a1c3d6dad2e3a61788a2b7774a4bd
SHA512

5304a77a3998c8cf02f6a4bf8071ca6fb81c44725cd27090dc8bc8da6a59cb22e903da97926288de788f9f87384de2279bd564b10c5c4651fd56491110adbb23
SSDEEP

768:JKe7zUTWVlTVV0uIaOoRPmTPsED3VK2+ZtyOjgO4r9vFAg2rqB47KI62tQO:JKe7zUm9FIaOHYTjipvF2SIVKO

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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	b2733fa637076db3266c3ceb1a3e6b98636a1c3d6dad2e3a61788a2b7774a4bdN.exe

Executes dropped EXE 1 IoCs

pid	Process
4184	codecupdate.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	b2733fa637076db3266c3ceb1a3e6b98636a1c3d6dad2e3a61788a2b7774a4bdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	codecupdate.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 4184	2272	b2733fa637076db3266c3ceb1a3e6b98636a1c3d6dad2e3a61788a2b7774a4bdN.exe	84
PID 2272 wrote to memory of 4184	2272	b2733fa637076db3266c3ceb1a3e6b98636a1c3d6dad2e3a61788a2b7774a4bdN.exe	84
PID 2272 wrote to memory of 4184	2272	b2733fa637076db3266c3ceb1a3e6b98636a1c3d6dad2e3a61788a2b7774a4bdN.exe	84

C:\Users\Admin\AppData\Local\Temp\b2733fa637076db3266c3ceb1a3e6b98636a1c3d6dad2e3a61788a2b7774a4bdN.exe
"C:\Users\Admin\AppData\Local\Temp\b2733fa637076db3266c3ceb1a3e6b98636a1c3d6dad2e3a61788a2b7774a4bdN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272
- 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:4184

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
62KB

MD5
6909749db9efd18444546e4d8d701cad

SHA1
9e177aa3b66cce5aca0677ed4063860d60b1b473

SHA256
d966eb3ea3868bf342de288d79903424829b2d5754d8ac3975311fb8c6e447db

SHA512
c44bad7c68b6c2b8af48a95a50d348cae0d69e8e381ce1c521f9a5e073869b25a04aca089b7ee1604edea8bae32c3b70e86cbb8e688d6d707c47f7f796fa3504

Download Submit
memory/2272-0-0x0000000000501000-0x0000000000502000-memory.dmp

Filesize
4KB

Download
memory/4184-9-0x0000000000500000-0x0000000000507000-memory.dmp

Filesize
28KB

Download