d47317356bb7d44069e7c38cbb8deb3e1bc472ec90fe270b0ef85f1a6bde67b5

Analysis

max time kernel
151s
max time network
157s
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 02:35

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General

Target

004c577988aa60a83cf44bc796dea53e.exe
Size

34KB
MD5

004c577988aa60a83cf44bc796dea53e
SHA1

c66d80416dbe145f138cd54a9e2d167bd44e06ca
SHA256

d47317356bb7d44069e7c38cbb8deb3e1bc472ec90fe270b0ef85f1a6bde67b5
SHA512

da23a3ca1d01e278b168353114339e3d46fca8d6ae5a28d566450b04f4fc8ec3f5c68d3a53f385417475f3275107a0fc264f4e5da57a1bbe49818a81481183bb
SSDEEP

768:TdaYVyu0KnshGZxpv/ncZfgp/6PVo1I/C1setyWvyenC2leD1U:5aeyfheJnG496Pzq1VQWmDU

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 3940 set thread context of 4928	3940	004c577988aa60a83cf44bc796dea53e.exe	88

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Fonts\YG18C3lr.com	004c577988aa60a83cf44bc796dea53e.exe
File opened for modification	C:\Windows\Fonts\YG18C3lr.com	004c577988aa60a83cf44bc796dea53e.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-1-5-21-996941297-2279405024-2328152752-1000_Classes\Local Settings	004c577988aa60a83cf44bc796dea53e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4928	004c577988aa60a83cf44bc796dea53e.exe
4928	004c577988aa60a83cf44bc796dea53e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 4928	3940	004c577988aa60a83cf44bc796dea53e.exe	88
PID 3940 wrote to memory of 4928	3940	004c577988aa60a83cf44bc796dea53e.exe	88
PID 3940 wrote to memory of 4928	3940	004c577988aa60a83cf44bc796dea53e.exe	88
PID 3940 wrote to memory of 4928	3940	004c577988aa60a83cf44bc796dea53e.exe	88
PID 3940 wrote to memory of 4928	3940	004c577988aa60a83cf44bc796dea53e.exe	88
PID 3940 wrote to memory of 4928	3940	004c577988aa60a83cf44bc796dea53e.exe	88
PID 3940 wrote to memory of 4928	3940	004c577988aa60a83cf44bc796dea53e.exe	88
PID 3940 wrote to memory of 4928	3940	004c577988aa60a83cf44bc796dea53e.exe	88

C:\Users\Admin\AppData\Local\Temp\004c577988aa60a83cf44bc796dea53e.exe
"C:\Users\Admin\AppData\Local\Temp\004c577988aa60a83cf44bc796dea53e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3940
- C:\Users\Admin\AppData\Local\Temp\004c577988aa60a83cf44bc796dea53e.exe
  "C:\Users\Admin\AppData\Local\Temp\004c577988aa60a83cf44bc796dea53e.exe"
  2⤵
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:4928

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4284

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/4928-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4928-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4928-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4928-4-0x0000000010000000-0x000000001000A000-memory.dmp

Filesize
40KB

Download