a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333

Analysis

max time kernel
101s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/11/2022, 06:17

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General

Target

a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe
Size

327KB
MD5

36f35b99483564097625d03e832b9ce2
SHA1

de7076ab107fb2b6b5dadfed075b98115d1ccb01
SHA256

a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333
SHA512

ae18ff03fe98cb19158ec67856e456d676df1fd469419c31b51eda8d768392122154a7c918d35fe24a7c7d86016e83e4194835e0dd14c08d633744b0d2c2b885
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3632	oobeldr.exe
2860	oobeldr.exe
3680	oobeldr.exe
2868	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4712 set thread context of 1112	4712	a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe	81
PID 3632 set thread context of 2860	3632	oobeldr.exe	92
PID 3680 set thread context of 2868	3680	oobeldr.exe	96

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
3664	schtasks.exe
684	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 1112	4712	a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe	81
PID 4712 wrote to memory of 1112	4712	a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe	81
PID 4712 wrote to memory of 1112	4712	a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe	81
PID 4712 wrote to memory of 1112	4712	a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe	81
PID 4712 wrote to memory of 1112	4712	a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe	81
PID 4712 wrote to memory of 1112	4712	a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe	81
PID 4712 wrote to memory of 1112	4712	a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe	81
PID 4712 wrote to memory of 1112	4712	a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe	81
PID 4712 wrote to memory of 1112	4712	a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe	81
PID 1112 wrote to memory of 3664	1112	a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe	85
PID 1112 wrote to memory of 3664	1112	a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe	85
PID 1112 wrote to memory of 3664	1112	a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe	85
PID 3632 wrote to memory of 2860	3632	oobeldr.exe	92
PID 3632 wrote to memory of 2860	3632	oobeldr.exe	92
PID 3632 wrote to memory of 2860	3632	oobeldr.exe	92
PID 3632 wrote to memory of 2860	3632	oobeldr.exe	92
PID 3632 wrote to memory of 2860	3632	oobeldr.exe	92
PID 3632 wrote to memory of 2860	3632	oobeldr.exe	92
PID 3632 wrote to memory of 2860	3632	oobeldr.exe	92
PID 3632 wrote to memory of 2860	3632	oobeldr.exe	92
PID 3632 wrote to memory of 2860	3632	oobeldr.exe	92
PID 2860 wrote to memory of 684	2860	oobeldr.exe	93
PID 2860 wrote to memory of 684	2860	oobeldr.exe	93
PID 2860 wrote to memory of 684	2860	oobeldr.exe	93
PID 3680 wrote to memory of 2868	3680	oobeldr.exe	96
PID 3680 wrote to memory of 2868	3680	oobeldr.exe	96
PID 3680 wrote to memory of 2868	3680	oobeldr.exe	96
PID 3680 wrote to memory of 2868	3680	oobeldr.exe	96
PID 3680 wrote to memory of 2868	3680	oobeldr.exe	96
PID 3680 wrote to memory of 2868	3680	oobeldr.exe	96
PID 3680 wrote to memory of 2868	3680	oobeldr.exe	96
PID 3680 wrote to memory of 2868	3680	oobeldr.exe	96
PID 3680 wrote to memory of 2868	3680	oobeldr.exe	96

C:\Users\Admin\AppData\Local\Temp\a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe
"C:\Users\Admin\AppData\Local\Temp\a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Users\Admin\AppData\Local\Temp\a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe
  C:\Users\Admin\AppData\Local\Temp\a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1112
- - 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:3664

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:3632
- 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:2860
- - 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:684

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:3680
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2868

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
327KB

MD5
36f35b99483564097625d03e832b9ce2

SHA1
de7076ab107fb2b6b5dadfed075b98115d1ccb01

SHA256
a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333

SHA512
ae18ff03fe98cb19158ec67856e456d676df1fd469419c31b51eda8d768392122154a7c918d35fe24a7c7d86016e83e4194835e0dd14c08d633744b0d2c2b885

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

Filesize
327KB

MD5
36f35b99483564097625d03e832b9ce2

SHA1
de7076ab107fb2b6b5dadfed075b98115d1ccb01

SHA256
a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333

SHA512
ae18ff03fe98cb19158ec67856e456d676df1fd469419c31b51eda8d768392122154a7c918d35fe24a7c7d86016e83e4194835e0dd14c08d633744b0d2c2b885

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

Filesize
327KB

MD5
36f35b99483564097625d03e832b9ce2

SHA1
de7076ab107fb2b6b5dadfed075b98115d1ccb01

SHA256
a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333

SHA512
ae18ff03fe98cb19158ec67856e456d676df1fd469419c31b51eda8d768392122154a7c918d35fe24a7c7d86016e83e4194835e0dd14c08d633744b0d2c2b885

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

Filesize
327KB

MD5
36f35b99483564097625d03e832b9ce2

SHA1
de7076ab107fb2b6b5dadfed075b98115d1ccb01

SHA256
a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333

SHA512
ae18ff03fe98cb19158ec67856e456d676df1fd469419c31b51eda8d768392122154a7c918d35fe24a7c7d86016e83e4194835e0dd14c08d633744b0d2c2b885

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

Filesize
327KB

MD5
36f35b99483564097625d03e832b9ce2

SHA1
de7076ab107fb2b6b5dadfed075b98115d1ccb01

SHA256
a3dd695d666b473b4dacef4d090f16c54d6fadf9189a05342ce9fe258b096333

SHA512
ae18ff03fe98cb19158ec67856e456d676df1fd469419c31b51eda8d768392122154a7c918d35fe24a7c7d86016e83e4194835e0dd14c08d633744b0d2c2b885

Download Submit
memory/1112-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1112-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1112-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4712-132-0x0000000000460000-0x00000000004B6000-memory.dmp

Filesize
344KB

Download
memory/4712-136-0x00000000073F0000-0x000000000740E000-memory.dmp

Filesize
120KB

Download
memory/4712-135-0x00000000076E0000-0x0000000007756000-memory.dmp

Filesize
472KB

Download
memory/4712-134-0x0000000007440000-0x00000000074D2000-memory.dmp

Filesize
584KB

Download
memory/4712-133-0x0000000007950000-0x0000000007EF4000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads