02cdc9436a2327aed437717ec2847a70674b69a891d4f2c95bf4764c922418f5

Analysis

max time kernel
0s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 15:44

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General

Target

2a49dc6a1f50a20b0a5cf870d8956459.exe
Size

171KB
MD5

2a49dc6a1f50a20b0a5cf870d8956459
SHA1

b8530e4335db66badf5e15baa7a00c8f38a4a7d6
SHA256

02cdc9436a2327aed437717ec2847a70674b69a891d4f2c95bf4764c922418f5
SHA512

72f59cf6a14654b1e08b597478d0ff46b1362bdd98320c8105f980e1b54eeb96abff118e2714b3023852ecfb6bdca1c06ec3c0831890da720ce144bbf57f2993
SSDEEP

3072:9nOn7t7XpdpCCTg/sxFgJDHM1MyCtlMAx+qEejKECVpY+O7r1hPCnUwNFoGzdChb:9KpdcCrTqsQtlMujHCM+slcUWoRF/

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1812	northstar.exe

Loads dropped DLL 2 IoCs

pid	Process
4896	2a49dc6a1f50a20b0a5cf870d8956459.exe
4896	2a49dc6a1f50a20b0a5cf870d8956459.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 4896 wrote to memory of 1812	4896	2a49dc6a1f50a20b0a5cf870d8956459.exe	20
PID 4896 wrote to memory of 1812	4896	2a49dc6a1f50a20b0a5cf870d8956459.exe	20
PID 4896 wrote to memory of 1812	4896	2a49dc6a1f50a20b0a5cf870d8956459.exe	20

C:\Users\Admin\AppData\Local\Temp\2a49dc6a1f50a20b0a5cf870d8956459.exe
"C:\Users\Admin\AppData\Local\Temp\2a49dc6a1f50a20b0a5cf870d8956459.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Users\Admin\AppData\Local\Temp\nsc3FCA.tmp\northstar.exe
  C:\Users\Admin\AppData\Local\Temp\nsc3FCA.tmp\northstar.exe /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f /e4995080 /dT201301040608
  2⤵
  - Executes dropped EXE
  PID:1812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsc3FCA.tmp\System.dll

Filesize
21KB

MD5
5ebc73650256e9c8ddbcda231db829a1

SHA1
988d4535e18754ab2a6248abae96c5697d7dbcd5

SHA256
1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

SHA512
b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

Download Submit
memory/1812-13-0x0000000073E20000-0x00000000743D1000-memory.dmp

Filesize
5.7MB

Download
memory/1812-15-0x00000000016F0000-0x0000000001700000-memory.dmp

Filesize
64KB

Download
memory/1812-14-0x0000000073E20000-0x00000000743D1000-memory.dmp

Filesize
5.7MB

Download
memory/1812-29-0x00000000016F0000-0x0000000001700000-memory.dmp

Filesize
64KB

Download
memory/1812-28-0x00000000016F0000-0x0000000001700000-memory.dmp

Filesize
64KB

Download
memory/1812-31-0x0000000073E20000-0x00000000743D1000-memory.dmp

Filesize
5.7MB

Download
memory/4896-35-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download