398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373

Analysis

max time kernel
149s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2023, 03:33

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General

Target

398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe
Size

328KB
MD5

3faa64bd319515ccffc8f99c8a2f828e
SHA1

2ddacad97a1b79e2e471b61783b548f653b785e1
SHA256

398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373
SHA512

9812b79d22eeb7cd3af4f02a249a03bfa1f93f8546f111c8579b883d564adfdec8206348e2078439e07adcc45a2f2a90094f4377cae862412e367218470b9333
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 7 IoCs

pid	Process
1256	oobeldr.exe
1184	oobeldr.exe
4292	oobeldr.exe
3420	oobeldr.exe
4136	oobeldr.exe
4212	oobeldr.exe
2760	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1556 set thread context of 3608	1556	398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe	80
PID 1256 set thread context of 1184	1256	oobeldr.exe	90
PID 4292 set thread context of 3420	4292	oobeldr.exe	95

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1412	schtasks.exe
2608	schtasks.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 3608	1556	398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe	80
PID 1556 wrote to memory of 3608	1556	398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe	80
PID 1556 wrote to memory of 3608	1556	398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe	80
PID 1556 wrote to memory of 3608	1556	398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe	80
PID 1556 wrote to memory of 3608	1556	398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe	80
PID 1556 wrote to memory of 3608	1556	398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe	80
PID 1556 wrote to memory of 3608	1556	398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe	80
PID 1556 wrote to memory of 3608	1556	398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe	80
PID 1556 wrote to memory of 3608	1556	398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe	80
PID 3608 wrote to memory of 1412	3608	398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe	81
PID 3608 wrote to memory of 1412	3608	398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe	81
PID 3608 wrote to memory of 1412	3608	398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe	81
PID 1256 wrote to memory of 1184	1256	oobeldr.exe	90
PID 1256 wrote to memory of 1184	1256	oobeldr.exe	90
PID 1256 wrote to memory of 1184	1256	oobeldr.exe	90
PID 1256 wrote to memory of 1184	1256	oobeldr.exe	90
PID 1256 wrote to memory of 1184	1256	oobeldr.exe	90
PID 1256 wrote to memory of 1184	1256	oobeldr.exe	90
PID 1256 wrote to memory of 1184	1256	oobeldr.exe	90
PID 1256 wrote to memory of 1184	1256	oobeldr.exe	90
PID 1256 wrote to memory of 1184	1256	oobeldr.exe	90
PID 1184 wrote to memory of 2608	1184	oobeldr.exe	91
PID 1184 wrote to memory of 2608	1184	oobeldr.exe	91
PID 1184 wrote to memory of 2608	1184	oobeldr.exe	91
PID 4292 wrote to memory of 3420	4292	oobeldr.exe	95
PID 4292 wrote to memory of 3420	4292	oobeldr.exe	95
PID 4292 wrote to memory of 3420	4292	oobeldr.exe	95
PID 4292 wrote to memory of 3420	4292	oobeldr.exe	95
PID 4292 wrote to memory of 3420	4292	oobeldr.exe	95
PID 4292 wrote to memory of 3420	4292	oobeldr.exe	95
PID 4292 wrote to memory of 3420	4292	oobeldr.exe	95
PID 4292 wrote to memory of 3420	4292	oobeldr.exe	95
PID 4292 wrote to memory of 3420	4292	oobeldr.exe	95
PID 4136 wrote to memory of 4212	4136	oobeldr.exe	97
PID 4136 wrote to memory of 4212	4136	oobeldr.exe	97
PID 4136 wrote to memory of 4212	4136	oobeldr.exe	97
PID 4136 wrote to memory of 2760	4136	oobeldr.exe	98
PID 4136 wrote to memory of 2760	4136	oobeldr.exe	98
PID 4136 wrote to memory of 2760	4136	oobeldr.exe	98
PID 4136 wrote to memory of 4912	4136	oobeldr.exe	99
PID 4136 wrote to memory of 4912	4136	oobeldr.exe	99
PID 4136 wrote to memory of 4912	4136	oobeldr.exe	99

C:\Users\Admin\AppData\Local\Temp\398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe
"C:\Users\Admin\AppData\Local\Temp\398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1556
- C:\Users\Admin\AppData\Local\Temp\398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe
  C:\Users\Admin\AppData\Local\Temp\398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3608
- - C:\Windows\SysWOW64\schtasks.exe
    /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
    3⤵
    - Creates scheduled task(s)
    PID:1412

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1184
- - C:\Windows\SysWOW64\schtasks.exe
    /C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
    3⤵
    - Creates scheduled task(s)
    PID:2608

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4292
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3420

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4136
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4212
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2760
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  PID:4912

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\oobeldr.exe.log

Filesize
789B

MD5
03d2df1e8834bc4ec1756735429b458c

SHA1
4ee6c0f5b04c8e0c5076219c5724032daab11d40

SHA256
745ab70552d9a0463b791fd8dc1942838ac3e34fb1a68f09ed3766c7e3b05631

SHA512
2482c3d4478125ccbc7f224f50e86b7bf925ed438b59f4dce57b9b6bcdb59df51417049096b131b6b911173550eed98bc92aba7050861de303a692f0681b197b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
328KB

MD5
3faa64bd319515ccffc8f99c8a2f828e

SHA1
2ddacad97a1b79e2e471b61783b548f653b785e1

SHA256
398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373

SHA512
9812b79d22eeb7cd3af4f02a249a03bfa1f93f8546f111c8579b883d564adfdec8206348e2078439e07adcc45a2f2a90094f4377cae862412e367218470b9333

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
328KB

MD5
3faa64bd319515ccffc8f99c8a2f828e

SHA1
2ddacad97a1b79e2e471b61783b548f653b785e1

SHA256
398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373

SHA512
9812b79d22eeb7cd3af4f02a249a03bfa1f93f8546f111c8579b883d564adfdec8206348e2078439e07adcc45a2f2a90094f4377cae862412e367218470b9333

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
328KB

MD5
3faa64bd319515ccffc8f99c8a2f828e

SHA1
2ddacad97a1b79e2e471b61783b548f653b785e1

SHA256
398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373

SHA512
9812b79d22eeb7cd3af4f02a249a03bfa1f93f8546f111c8579b883d564adfdec8206348e2078439e07adcc45a2f2a90094f4377cae862412e367218470b9333

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
328KB

MD5
3faa64bd319515ccffc8f99c8a2f828e

SHA1
2ddacad97a1b79e2e471b61783b548f653b785e1

SHA256
398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373

SHA512
9812b79d22eeb7cd3af4f02a249a03bfa1f93f8546f111c8579b883d564adfdec8206348e2078439e07adcc45a2f2a90094f4377cae862412e367218470b9333

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
328KB

MD5
3faa64bd319515ccffc8f99c8a2f828e

SHA1
2ddacad97a1b79e2e471b61783b548f653b785e1

SHA256
398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373

SHA512
9812b79d22eeb7cd3af4f02a249a03bfa1f93f8546f111c8579b883d564adfdec8206348e2078439e07adcc45a2f2a90094f4377cae862412e367218470b9333

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
328KB

MD5
3faa64bd319515ccffc8f99c8a2f828e

SHA1
2ddacad97a1b79e2e471b61783b548f653b785e1

SHA256
398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373

SHA512
9812b79d22eeb7cd3af4f02a249a03bfa1f93f8546f111c8579b883d564adfdec8206348e2078439e07adcc45a2f2a90094f4377cae862412e367218470b9333

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
328KB

MD5
3faa64bd319515ccffc8f99c8a2f828e

SHA1
2ddacad97a1b79e2e471b61783b548f653b785e1

SHA256
398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373

SHA512
9812b79d22eeb7cd3af4f02a249a03bfa1f93f8546f111c8579b883d564adfdec8206348e2078439e07adcc45a2f2a90094f4377cae862412e367218470b9333

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe

Filesize
328KB

MD5
3faa64bd319515ccffc8f99c8a2f828e

SHA1
2ddacad97a1b79e2e471b61783b548f653b785e1

SHA256
398489f6b28ae27c7b4ab108033f8f1de1ea1a48792c3fa0ef0dc011284c1373

SHA512
9812b79d22eeb7cd3af4f02a249a03bfa1f93f8546f111c8579b883d564adfdec8206348e2078439e07adcc45a2f2a90094f4377cae862412e367218470b9333

Download Submit
memory/1556-134-0x0000000007D40000-0x0000000007DD2000-memory.dmp

Filesize
584KB

Download
memory/1556-135-0x0000000007FE0000-0x0000000008056000-memory.dmp

Filesize
472KB

Download
memory/1556-132-0x0000000000D60000-0x0000000000DB6000-memory.dmp

Filesize
344KB

Download
memory/1556-133-0x0000000008250000-0x00000000087F4000-memory.dmp

Filesize
5.6MB

Download
memory/1556-136-0x0000000007CF0000-0x0000000007D0E000-memory.dmp

Filesize
120KB

Download
memory/3608-141-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3608-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3608-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads