275d70db07f89259bcc478ce5da2259a0dc12b2dd630c8b0c6160e0b9a47e6bf

Analysis

max time kernel
147s
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
30/12/2023, 20:55

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General

Target

1c481e608b35e1149d93ec1f9aefdf71.exe
Size

41KB
MD5

1c481e608b35e1149d93ec1f9aefdf71
SHA1

69c3ba5addfd49bb1824ff15334e0422d2c1ae65
SHA256

275d70db07f89259bcc478ce5da2259a0dc12b2dd630c8b0c6160e0b9a47e6bf
SHA512

3cb374039bc717e53fc9fdbf9f02a56b0688f7d99d2592eeb961719ab43922551b7f89267026332fd78464f497a7864558f2952eb7bab5f01498d00be0062dc8
SSDEEP

768:Bi6MbK0BYoGfqCZlySRO2woK/Z6YIhoFtQjXyEJvc8JzKZr12qhZhXX:cJWoYnqCjao/HzxCQzKZrYq5XX

Score

7^/10

Malware Config

Signatures

Unexpected DNS network traffic destination 5 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	83.133.119.139
Destination IP	83.133.119.139
Destination IP	83.133.119.139
Destination IP	83.133.119.139
Destination IP	83.133.119.139

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5032 set thread context of 4464	5032	1c481e608b35e1149d93ec1f9aefdf71.exe	91

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\1QY56.com	1c481e608b35e1149d93ec1f9aefdf71.exe
File opened for modification	C:\Windows\Fonts\1QY56.com	1c481e608b35e1149d93ec1f9aefdf71.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000_Classes\Local Settings	1c481e608b35e1149d93ec1f9aefdf71.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4464	1c481e608b35e1149d93ec1f9aefdf71.exe
4464	1c481e608b35e1149d93ec1f9aefdf71.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5032	1c481e608b35e1149d93ec1f9aefdf71.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 4464	5032	1c481e608b35e1149d93ec1f9aefdf71.exe	91
PID 5032 wrote to memory of 4464	5032	1c481e608b35e1149d93ec1f9aefdf71.exe	91
PID 5032 wrote to memory of 4464	5032	1c481e608b35e1149d93ec1f9aefdf71.exe	91
PID 5032 wrote to memory of 4464	5032	1c481e608b35e1149d93ec1f9aefdf71.exe	91
PID 5032 wrote to memory of 4464	5032	1c481e608b35e1149d93ec1f9aefdf71.exe	91
PID 5032 wrote to memory of 4464	5032	1c481e608b35e1149d93ec1f9aefdf71.exe	91
PID 5032 wrote to memory of 4464	5032	1c481e608b35e1149d93ec1f9aefdf71.exe	91
PID 5032 wrote to memory of 4464	5032	1c481e608b35e1149d93ec1f9aefdf71.exe	91

C:\Users\Admin\AppData\Local\Temp\1c481e608b35e1149d93ec1f9aefdf71.exe
"C:\Users\Admin\AppData\Local\Temp\1c481e608b35e1149d93ec1f9aefdf71.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Users\Admin\AppData\Local\Temp\1c481e608b35e1149d93ec1f9aefdf71.exe
  "C:\Users\Admin\AppData\Local\Temp\1c481e608b35e1149d93ec1f9aefdf71.exe"
  2⤵
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:4464

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4860

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

memory/4464-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4464-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4464-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4464-4-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download