3c022006553a935472956dbd56f4dab49443d359432065e87259cc46334523fd

Analysis

max time kernel
141s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28/12/2023, 21:15

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General

Target

f8a6e774c88e2c71ad8d78ded994601f.exe
Size

252KB
MD5

f8a6e774c88e2c71ad8d78ded994601f
SHA1

861629ea82a180569caab5712e10126facccb11d
SHA256

3c022006553a935472956dbd56f4dab49443d359432065e87259cc46334523fd
SHA512

713b42f473a26bdf2c50daf0ed4241ab12acf953ba6a7fff6c9b092a1189cb65d8d38ee610627abedd214d6350048fec3f327665ccc0e995cf698ee0050e02b2
SSDEEP

3072:KtB1T3qE8Uyr6rvu9nUg3bCKtKUMXXoAozjVA2WK6:KtBNqmC6ju9nfX5JA2T6

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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	f8a6e774c88e2c71ad8d78ded994601f.exe

Deletes itself 1 IoCs

pid	Process
2700	killa.exe

Executes dropped EXE 1 IoCs

pid	Process
2700	killa.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\killa.exe	f8a6e774c88e2c71ad8d78ded994601f.exe
File created	C:\Windows\killa.exe	f8a6e774c88e2c71ad8d78ded994601f.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 2700	1548	f8a6e774c88e2c71ad8d78ded994601f.exe	94
PID 1548 wrote to memory of 2700	1548	f8a6e774c88e2c71ad8d78ded994601f.exe	94
PID 1548 wrote to memory of 2700	1548	f8a6e774c88e2c71ad8d78ded994601f.exe	94

C:\Users\Admin\AppData\Local\Temp\f8a6e774c88e2c71ad8d78ded994601f.exe
"C:\Users\Admin\AppData\Local\Temp\f8a6e774c88e2c71ad8d78ded994601f.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Windows\killa.exe
  "C:\Windows\killa.exe" 2C:\Users\Admin\AppData\Local\Temp\f8a6e774c88e2c71ad8d78ded994601f.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2700

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

C:\Windows\killa.exe

Filesize
252KB

MD5
f8a6e774c88e2c71ad8d78ded994601f

SHA1
861629ea82a180569caab5712e10126facccb11d

SHA256
3c022006553a935472956dbd56f4dab49443d359432065e87259cc46334523fd

SHA512
713b42f473a26bdf2c50daf0ed4241ab12acf953ba6a7fff6c9b092a1189cb65d8d38ee610627abedd214d6350048fec3f327665ccc0e995cf698ee0050e02b2

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