6b5315d5569d448773a9d4c334f22475bf820132f65c824b733a5a9fefa4f845

Analysis

max time kernel
7s
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
04-01-2024 00:13

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General

Target

3f65a714f4db1d2f7d585abc7d60656d.exe
Size

168KB
MD5

3f65a714f4db1d2f7d585abc7d60656d
SHA1

cb96a4d2eddde21a89e3d8ae98fc82fcbd5a1bdc
SHA256

6b5315d5569d448773a9d4c334f22475bf820132f65c824b733a5a9fefa4f845
SHA512

e64ad49d79fc59d98734766cf731d5c431635e960b023f288e2c3cd5214d13d54d303296eb0cf0f7d8c41da66e963293082ba7c261cd112f0260d19c9d474497
SSDEEP

3072:8B/yfWqIm2ToinfY86s+g0Sfh2WYhdH2eluFkVZH7SLmRYqC:8ofU3tfpj0gRUdH2etB+L

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
3900	Rmigix.exe
4320	Rmigix.exe
1236	Rmigix.exe

Loads dropped DLL 2 IoCs

pid	Process
4596	3f65a714f4db1d2f7d585abc7d60656d.exe
3900	Rmigix.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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmigix = "C:\\Users\\Admin\\AppData\\Roaming\\Rmigix.exe"	3f65a714f4db1d2f7d585abc7d60656d.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4596 set thread context of 2332	4596	3f65a714f4db1d2f7d585abc7d60656d.exe	24
PID 2332 set thread context of 228	2332	3f65a714f4db1d2f7d585abc7d60656d.exe	29
PID 3900 set thread context of 4320	3900	Rmigix.exe	61
PID 4320 set thread context of 1236	4320	Rmigix.exe	66

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
228	3f65a714f4db1d2f7d585abc7d60656d.exe
228	3f65a714f4db1d2f7d585abc7d60656d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1236	Rmigix.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 2332	4596	3f65a714f4db1d2f7d585abc7d60656d.exe	24
PID 4596 wrote to memory of 2332	4596	3f65a714f4db1d2f7d585abc7d60656d.exe	24
PID 4596 wrote to memory of 2332	4596	3f65a714f4db1d2f7d585abc7d60656d.exe	24
PID 4596 wrote to memory of 2332	4596	3f65a714f4db1d2f7d585abc7d60656d.exe	24
PID 4596 wrote to memory of 2332	4596	3f65a714f4db1d2f7d585abc7d60656d.exe	24
PID 4596 wrote to memory of 2332	4596	3f65a714f4db1d2f7d585abc7d60656d.exe	24
PID 4596 wrote to memory of 2332	4596	3f65a714f4db1d2f7d585abc7d60656d.exe	24
PID 4596 wrote to memory of 2332	4596	3f65a714f4db1d2f7d585abc7d60656d.exe	24
PID 4596 wrote to memory of 2332	4596	3f65a714f4db1d2f7d585abc7d60656d.exe	24
PID 2332 wrote to memory of 228	2332	3f65a714f4db1d2f7d585abc7d60656d.exe	29
PID 2332 wrote to memory of 228	2332	3f65a714f4db1d2f7d585abc7d60656d.exe	29
PID 2332 wrote to memory of 228	2332	3f65a714f4db1d2f7d585abc7d60656d.exe	29
PID 2332 wrote to memory of 228	2332	3f65a714f4db1d2f7d585abc7d60656d.exe	29
PID 2332 wrote to memory of 228	2332	3f65a714f4db1d2f7d585abc7d60656d.exe	29
PID 2332 wrote to memory of 228	2332	3f65a714f4db1d2f7d585abc7d60656d.exe	29
PID 2332 wrote to memory of 228	2332	3f65a714f4db1d2f7d585abc7d60656d.exe	29
PID 2332 wrote to memory of 228	2332	3f65a714f4db1d2f7d585abc7d60656d.exe	29
PID 2332 wrote to memory of 228	2332	3f65a714f4db1d2f7d585abc7d60656d.exe	29
PID 228 wrote to memory of 3900	228	3f65a714f4db1d2f7d585abc7d60656d.exe	62
PID 228 wrote to memory of 3900	228	3f65a714f4db1d2f7d585abc7d60656d.exe	62
PID 228 wrote to memory of 3900	228	3f65a714f4db1d2f7d585abc7d60656d.exe	62
PID 3900 wrote to memory of 4320	3900	Rmigix.exe	61
PID 3900 wrote to memory of 4320	3900	Rmigix.exe	61
PID 3900 wrote to memory of 4320	3900	Rmigix.exe	61
PID 3900 wrote to memory of 4320	3900	Rmigix.exe	61
PID 3900 wrote to memory of 4320	3900	Rmigix.exe	61
PID 3900 wrote to memory of 4320	3900	Rmigix.exe	61
PID 3900 wrote to memory of 4320	3900	Rmigix.exe	61
PID 3900 wrote to memory of 4320	3900	Rmigix.exe	61
PID 3900 wrote to memory of 4320	3900	Rmigix.exe	61
PID 4320 wrote to memory of 1236	4320	Rmigix.exe	66
PID 4320 wrote to memory of 1236	4320	Rmigix.exe	66
PID 4320 wrote to memory of 1236	4320	Rmigix.exe	66
PID 4320 wrote to memory of 1236	4320	Rmigix.exe	66
PID 4320 wrote to memory of 1236	4320	Rmigix.exe	66
PID 4320 wrote to memory of 1236	4320	Rmigix.exe	66
PID 4320 wrote to memory of 1236	4320	Rmigix.exe	66
PID 4320 wrote to memory of 1236	4320	Rmigix.exe	66
PID 4320 wrote to memory of 1236	4320	Rmigix.exe	66
PID 1236 wrote to memory of 2500	1236	Rmigix.exe	102
PID 1236 wrote to memory of 2500	1236	Rmigix.exe	102
PID 1236 wrote to memory of 2500	1236	Rmigix.exe	102
PID 2500 wrote to memory of 2276	2500	iexplore.exe	103
PID 2500 wrote to memory of 2276	2500	iexplore.exe	103

C:\Users\Admin\AppData\Local\Temp\3f65a714f4db1d2f7d585abc7d60656d.exe
"C:\Users\Admin\AppData\Local\Temp\3f65a714f4db1d2f7d585abc7d60656d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Users\Admin\AppData\Local\Temp\3f65a714f4db1d2f7d585abc7d60656d.exe
  "C:\Users\Admin\AppData\Local\Temp\3f65a714f4db1d2f7d585abc7d60656d.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2332
- - C:\Users\Admin\AppData\Local\Temp\3f65a714f4db1d2f7d585abc7d60656d.exe
    "C:\Users\Admin\AppData\Local\Temp\3f65a714f4db1d2f7d585abc7d60656d.exe"
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:228
  - - C:\Users\Admin\AppData\Roaming\Rmigix.exe
      "C:\Users\Admin\AppData\Roaming\Rmigix.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:3900

C:\Users\Admin\AppData\Roaming\Rmigix.exe
"C:\Users\Admin\AppData\Roaming\Rmigix.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4320
- C:\Users\Admin\AppData\Roaming\Rmigix.exe
  "C:\Users\Admin\AppData\Roaming\Rmigix.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1236
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2500
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      Modifies Internet Explorer settings
      PID:2276
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2276 CREDAT:17410 /prefetch:2
        5⤵
        
        PID:3220

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

Replay Monitor

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Downloads

memory/228-10-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/228-11-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/228-8-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/228-20-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1236-34-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1236-38-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/2332-7-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2332-6-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2332-4-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download