acc48792465fbe2ee63cada34f660d2ee87fb5dc64e43087584228578c64587e

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 19:21

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General

Target

754f34069c601653ec997066d0d21156.exe
Size

68KB
MD5

754f34069c601653ec997066d0d21156
SHA1

ae8a05ed88760a35e63574247f513227260b07aa
SHA256

acc48792465fbe2ee63cada34f660d2ee87fb5dc64e43087584228578c64587e
SHA512

0a2b40f4cb78ede92db85cead28bfc1afd64abe9ecf9c1af0561781bc2da4266b32ba332e39ae384494187a240af7c317529b6d6bdf5cc0c86cc5404e57ce594
SSDEEP

1536:MS8R/YV6F34FhVopMTbjb6IWorvbZZ78NZMC+DVeWwo+Pde96fpB+gNy2tKg7:MFR/K61XAuIW22d

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4648	regsrv64.exe
1716	regsrv64.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft DLL Registration = "C:\\Users\\Admin\\AppData\\Roaming\\regsrv64.exe"	regsrv64.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4484 set thread context of 2308	4484	754f34069c601653ec997066d0d21156.exe	83
PID 4648 set thread context of 1716	4648	regsrv64.exe	88

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4484	754f34069c601653ec997066d0d21156.exe
4648	regsrv64.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 2308	4484	754f34069c601653ec997066d0d21156.exe	83
PID 4484 wrote to memory of 2308	4484	754f34069c601653ec997066d0d21156.exe	83
PID 4484 wrote to memory of 2308	4484	754f34069c601653ec997066d0d21156.exe	83
PID 4484 wrote to memory of 2308	4484	754f34069c601653ec997066d0d21156.exe	83
PID 4484 wrote to memory of 2308	4484	754f34069c601653ec997066d0d21156.exe	83
PID 4484 wrote to memory of 2308	4484	754f34069c601653ec997066d0d21156.exe	83
PID 4484 wrote to memory of 2308	4484	754f34069c601653ec997066d0d21156.exe	83
PID 4484 wrote to memory of 2308	4484	754f34069c601653ec997066d0d21156.exe	83
PID 4484 wrote to memory of 2308	4484	754f34069c601653ec997066d0d21156.exe	83
PID 2308 wrote to memory of 4648	2308	754f34069c601653ec997066d0d21156.exe	84
PID 2308 wrote to memory of 4648	2308	754f34069c601653ec997066d0d21156.exe	84
PID 2308 wrote to memory of 4648	2308	754f34069c601653ec997066d0d21156.exe	84
PID 4648 wrote to memory of 1716	4648	regsrv64.exe	88
PID 4648 wrote to memory of 1716	4648	regsrv64.exe	88
PID 4648 wrote to memory of 1716	4648	regsrv64.exe	88
PID 4648 wrote to memory of 1716	4648	regsrv64.exe	88
PID 4648 wrote to memory of 1716	4648	regsrv64.exe	88
PID 4648 wrote to memory of 1716	4648	regsrv64.exe	88
PID 4648 wrote to memory of 1716	4648	regsrv64.exe	88
PID 4648 wrote to memory of 1716	4648	regsrv64.exe	88
PID 4648 wrote to memory of 1716	4648	regsrv64.exe	88

C:\Users\Admin\AppData\Local\Temp\754f34069c601653ec997066d0d21156.exe
"C:\Users\Admin\AppData\Local\Temp\754f34069c601653ec997066d0d21156.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4484
- C:\Users\Admin\AppData\Local\Temp\754f34069c601653ec997066d0d21156.exe
  "C:\Users\Admin\AppData\Local\Temp\754f34069c601653ec997066d0d21156.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Users\Admin\AppData\Roaming\regsrv64.exe
    "C:\Users\Admin\AppData\Roaming\regsrv64.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4648
  - - C:\Users\Admin\AppData\Roaming\regsrv64.exe
      "C:\Users\Admin\AppData\Roaming\regsrv64.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      PID:1716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\regsrv64.exe

Filesize
68KB

MD5
754f34069c601653ec997066d0d21156

SHA1
ae8a05ed88760a35e63574247f513227260b07aa

SHA256
acc48792465fbe2ee63cada34f660d2ee87fb5dc64e43087584228578c64587e

SHA512
0a2b40f4cb78ede92db85cead28bfc1afd64abe9ecf9c1af0561781bc2da4266b32ba332e39ae384494187a240af7c317529b6d6bdf5cc0c86cc5404e57ce594

Download Submit
memory/1716-17-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2308-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2308-4-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads