16b033e138f0cd09157f7ff1ec87adcfeb6a1e30ca85d65109439af51d048453

Analysis

max time kernel
7s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 23:17

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General

Target

1fbf1ece3181e9b059777bfd339ceee0.exe
Size

271KB
MD5

1fbf1ece3181e9b059777bfd339ceee0
SHA1

45093d4c0b13d39bf79519580b4bf276bb8968b7
SHA256

16b033e138f0cd09157f7ff1ec87adcfeb6a1e30ca85d65109439af51d048453
SHA512

43c2c788a9820ce999e83ee22d752a3c576ace71e97403b568552dcee01cc8692fa6b2a5a5532b1a8f1478be08c83580b47b1f9e19adeef898a2588420351008
SSDEEP

6144:WZuuObR8sVImcyYcJqpiHSIEPuUKR8ZoxUFJhkQ2Khhtd9QK:dV+mzDqpi//UO82xUFIQL79QK

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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	1fbf1ece3181e9b059777bfd339ceee0.exe

Executes dropped EXE 1 IoCs

pid	Process
5000	backgroundTaskHost.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 5000	3572	1fbf1ece3181e9b059777bfd339ceee0.exe	102
PID 3572 wrote to memory of 5000	3572	1fbf1ece3181e9b059777bfd339ceee0.exe	102

C:\Users\Admin\AppData\Local\Temp\1fbf1ece3181e9b059777bfd339ceee0.exe
"C:\Users\Admin\AppData\Local\Temp\1fbf1ece3181e9b059777bfd339ceee0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3572
- C:\server.exe
  "C:\server.exe"
  2⤵
  PID:5000
- - C:\server.exe
    C:\server.exe
    3⤵
    PID:3520

C:\Windows\system32\backgroundTaskHost.exe
"C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
1⤵
- Executes dropped EXE
PID:5000

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3572-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/5000-15-0x00000000016F0000-0x0000000001700000-memory.dmp

Filesize
64KB

Download
memory/5000-16-0x000000001C280000-0x000000001C74E000-memory.dmp

Filesize
4.8MB

Download
memory/5000-17-0x00007FFB4C360000-0x00007FFB4CD01000-memory.dmp

Filesize
9.6MB

Download
memory/5000-18-0x000000001C7F0000-0x000000001C88C000-memory.dmp

Filesize
624KB

Download
memory/5000-14-0x00007FFB4C360000-0x00007FFB4CD01000-memory.dmp

Filesize
9.6MB

Download
memory/5000-20-0x000000001C950000-0x000000001C99C000-memory.dmp

Filesize
304KB

Download
memory/5000-19-0x0000000001690000-0x0000000001698000-memory.dmp

Filesize
32KB

Download
memory/5000-13-0x000000001BCE0000-0x000000001BD86000-memory.dmp

Filesize
664KB

Download
memory/5000-21-0x00000000016F0000-0x0000000001700000-memory.dmp

Filesize
64KB

Download
memory/5000-23-0x00007FFB4C360000-0x00007FFB4CD01000-memory.dmp

Filesize
9.6MB

Download