7a80b17b70a3b3275f4343ac5e75a4be72cb4c6bd91b1d12fac438f3dcb6f52c

Analysis

max time kernel
92s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/08/2024, 08:12

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General

Target

6b873a6158bb19e12288f500129d1090N.exe
Size

46KB
MD5

6b873a6158bb19e12288f500129d1090
SHA1

4dfb1d7e786f73d6e34aed6ca7454d1320cd0684
SHA256

7a80b17b70a3b3275f4343ac5e75a4be72cb4c6bd91b1d12fac438f3dcb6f52c
SHA512

2f48b55a461686c562a57d52c18b401ec4bfaddcbd4ba26d3040cf9c5380ffe153c40416317f770004f1de1e1610cd8828e98f333378df820983efbbaaeb1e0b
SSDEEP

192:GrITdb2X2VFmfjNIGmMTPUEN7jIZSnDJLVwqnkqU/CDolaFy:yIT4BjKGmMztNvIZSD/wHqUWolT

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	6b873a6158bb19e12288f500129d1090N.exe

Executes dropped EXE 1 IoCs

pid	Process
3984	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	6b873a6158bb19e12288f500129d1090N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hcbnaf.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 3984	2024	6b873a6158bb19e12288f500129d1090N.exe	84
PID 2024 wrote to memory of 3984	2024	6b873a6158bb19e12288f500129d1090N.exe	84
PID 2024 wrote to memory of 3984	2024	6b873a6158bb19e12288f500129d1090N.exe	84

C:\Users\Admin\AppData\Local\Temp\6b873a6158bb19e12288f500129d1090N.exe
"C:\Users\Admin\AppData\Local\Temp\6b873a6158bb19e12288f500129d1090N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Users\Admin\AppData\Local\Temp\hcbnaf.exe
  "C:\Users\Admin\AppData\Local\Temp\hcbnaf.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3984

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\hcbnaf.exe

Filesize
47KB

MD5
83d5f96b9c388b686cb8c18f73ed7020

SHA1
7427b30ca0d7953f2c527b1a6d245858b514dbb5

SHA256
828bed05d85aa83d29d5e5360dd018f357f9d333978561cbd0f5bb6636d8a142

SHA512
49c633846cd984ac88497e71fe5c84221792e3ca5b83a5c1e751fd21fbe142c2191109eabb0470f37991abb325443204c45901222d748c656e95e4ea4667b7f1

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