a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab

Analysis

max time kernel
134s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2022, 13:59

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General

Target

a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe
Size

324KB
MD5

1db9258828e68274415f6dcfc3bcc6fa
SHA1

434fe799b17a59fbce0cab7eb80444e974304960
SHA256

a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab
SHA512

24a0eeb46bb90f88531182bc96818a3ceea045b1067ec7b82d0ec6935d67b76a2e3b943d767cbd05c76370e57d203f9fa702539ca66c21d2d6d12fc3dced392c
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
5096	oobeldr.exe
3932	oobeldr.exe
4716	oobeldr.exe
3980	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1272 set thread context of 3140	1272	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	84
PID 5096 set thread context of 3932	5096	oobeldr.exe	92
PID 4716 set thread context of 3980	4716	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
528	schtasks.exe
980	schtasks.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 4236	1272	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	80
PID 1272 wrote to memory of 4236	1272	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	80
PID 1272 wrote to memory of 4236	1272	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	80
PID 1272 wrote to memory of 3140	1272	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	84
PID 1272 wrote to memory of 3140	1272	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	84
PID 1272 wrote to memory of 3140	1272	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	84
PID 1272 wrote to memory of 3140	1272	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	84
PID 1272 wrote to memory of 3140	1272	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	84
PID 1272 wrote to memory of 3140	1272	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	84
PID 1272 wrote to memory of 3140	1272	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	84
PID 1272 wrote to memory of 3140	1272	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	84
PID 1272 wrote to memory of 3140	1272	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	84
PID 3140 wrote to memory of 528	3140	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	86
PID 3140 wrote to memory of 528	3140	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	86
PID 3140 wrote to memory of 528	3140	a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe	86
PID 5096 wrote to memory of 3932	5096	oobeldr.exe	92
PID 5096 wrote to memory of 3932	5096	oobeldr.exe	92
PID 5096 wrote to memory of 3932	5096	oobeldr.exe	92
PID 5096 wrote to memory of 3932	5096	oobeldr.exe	92
PID 5096 wrote to memory of 3932	5096	oobeldr.exe	92
PID 5096 wrote to memory of 3932	5096	oobeldr.exe	92
PID 5096 wrote to memory of 3932	5096	oobeldr.exe	92
PID 5096 wrote to memory of 3932	5096	oobeldr.exe	92
PID 5096 wrote to memory of 3932	5096	oobeldr.exe	92
PID 3932 wrote to memory of 980	3932	oobeldr.exe	93
PID 3932 wrote to memory of 980	3932	oobeldr.exe	93
PID 3932 wrote to memory of 980	3932	oobeldr.exe	93
PID 4716 wrote to memory of 3980	4716	oobeldr.exe	96
PID 4716 wrote to memory of 3980	4716	oobeldr.exe	96
PID 4716 wrote to memory of 3980	4716	oobeldr.exe	96
PID 4716 wrote to memory of 3980	4716	oobeldr.exe	96
PID 4716 wrote to memory of 3980	4716	oobeldr.exe	96
PID 4716 wrote to memory of 3980	4716	oobeldr.exe	96
PID 4716 wrote to memory of 3980	4716	oobeldr.exe	96
PID 4716 wrote to memory of 3980	4716	oobeldr.exe	96
PID 4716 wrote to memory of 3980	4716	oobeldr.exe	96

C:\Users\Admin\AppData\Local\Temp\a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe
"C:\Users\Admin\AppData\Local\Temp\a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Users\Admin\AppData\Local\Temp\a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe
  C:\Users\Admin\AppData\Local\Temp\a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe
  2⤵
  PID:4236
- C:\Users\Admin\AppData\Local\Temp\a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe
  C:\Users\Admin\AppData\Local\Temp\a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3140
- - 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:528

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:5096
- 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:3932
- - 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:980

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:4716
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3980

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
324KB

MD5
1db9258828e68274415f6dcfc3bcc6fa

SHA1
434fe799b17a59fbce0cab7eb80444e974304960

SHA256
a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab

SHA512
24a0eeb46bb90f88531182bc96818a3ceea045b1067ec7b82d0ec6935d67b76a2e3b943d767cbd05c76370e57d203f9fa702539ca66c21d2d6d12fc3dced392c

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

Filesize
324KB

MD5
1db9258828e68274415f6dcfc3bcc6fa

SHA1
434fe799b17a59fbce0cab7eb80444e974304960

SHA256
a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab

SHA512
24a0eeb46bb90f88531182bc96818a3ceea045b1067ec7b82d0ec6935d67b76a2e3b943d767cbd05c76370e57d203f9fa702539ca66c21d2d6d12fc3dced392c

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

Filesize
324KB

MD5
1db9258828e68274415f6dcfc3bcc6fa

SHA1
434fe799b17a59fbce0cab7eb80444e974304960

SHA256
a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab

SHA512
24a0eeb46bb90f88531182bc96818a3ceea045b1067ec7b82d0ec6935d67b76a2e3b943d767cbd05c76370e57d203f9fa702539ca66c21d2d6d12fc3dced392c

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

Filesize
324KB

MD5
1db9258828e68274415f6dcfc3bcc6fa

SHA1
434fe799b17a59fbce0cab7eb80444e974304960

SHA256
a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab

SHA512
24a0eeb46bb90f88531182bc96818a3ceea045b1067ec7b82d0ec6935d67b76a2e3b943d767cbd05c76370e57d203f9fa702539ca66c21d2d6d12fc3dced392c

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

Filesize
324KB

MD5
1db9258828e68274415f6dcfc3bcc6fa

SHA1
434fe799b17a59fbce0cab7eb80444e974304960

SHA256
a66324850137c8975da144c09b68bccd7a2a1694da0b4e8c47d91d7ee7e633ab

SHA512
24a0eeb46bb90f88531182bc96818a3ceea045b1067ec7b82d0ec6935d67b76a2e3b943d767cbd05c76370e57d203f9fa702539ca66c21d2d6d12fc3dced392c

Download Submit
memory/1272-136-0x0000000005860000-0x000000000587E000-memory.dmp

Filesize
120KB

Download
memory/1272-132-0x0000000000D20000-0x0000000000D76000-memory.dmp

Filesize
344KB

Download
memory/1272-135-0x0000000007FC0000-0x0000000008036000-memory.dmp

Filesize
472KB

Download
memory/1272-134-0x0000000007D20000-0x0000000007DB2000-memory.dmp

Filesize
584KB

Download
memory/1272-133-0x0000000008230000-0x00000000087D4000-memory.dmp

Filesize
5.6MB

Download
memory/3140-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3140-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3140-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads