258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08

Analysis

max time kernel
146s
max time network
138s
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, 11:38

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General

Target

258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe
Size

327KB
MD5

2e816eebfae7c72121b21afd42ff2cee
SHA1

e78b557ae342027b5fcbe443be862fed7d2bad27
SHA256

258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08
SHA512

45b6b29742998394b2b5878dff1ccbeb9e998779d210e78801fa015a16d2236bdd368f4551ae5224232c4e3e5a2cc8e245e00c9301285096f41f171197bfb2cd
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 7 IoCs

pid	Process
224	oobeldr.exe
2004	oobeldr.exe
4100	oobeldr.exe
2356	oobeldr.exe
1604	oobeldr.exe
1100	oobeldr.exe
2476	oobeldr.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1572 set thread context of 5048	1572	258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe	80
PID 224 set thread context of 2004	224	oobeldr.exe	90
PID 4100 set thread context of 1604	4100	oobeldr.exe	96
PID 1100 set thread context of 2476	1100	oobeldr.exe	98

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
4620	schtasks.exe
3760	schtasks.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 5048	1572	258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe	80
PID 1572 wrote to memory of 5048	1572	258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe	80
PID 1572 wrote to memory of 5048	1572	258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe	80
PID 1572 wrote to memory of 5048	1572	258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe	80
PID 1572 wrote to memory of 5048	1572	258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe	80
PID 1572 wrote to memory of 5048	1572	258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe	80
PID 1572 wrote to memory of 5048	1572	258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe	80
PID 1572 wrote to memory of 5048	1572	258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe	80
PID 1572 wrote to memory of 5048	1572	258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe	80
PID 5048 wrote to memory of 3760	5048	258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe	84
PID 5048 wrote to memory of 3760	5048	258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe	84
PID 5048 wrote to memory of 3760	5048	258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe	84
PID 224 wrote to memory of 2004	224	oobeldr.exe	90
PID 224 wrote to memory of 2004	224	oobeldr.exe	90
PID 224 wrote to memory of 2004	224	oobeldr.exe	90
PID 224 wrote to memory of 2004	224	oobeldr.exe	90
PID 224 wrote to memory of 2004	224	oobeldr.exe	90
PID 224 wrote to memory of 2004	224	oobeldr.exe	90
PID 224 wrote to memory of 2004	224	oobeldr.exe	90
PID 224 wrote to memory of 2004	224	oobeldr.exe	90
PID 224 wrote to memory of 2004	224	oobeldr.exe	90
PID 2004 wrote to memory of 4620	2004	oobeldr.exe	91
PID 2004 wrote to memory of 4620	2004	oobeldr.exe	91
PID 2004 wrote to memory of 4620	2004	oobeldr.exe	91
PID 4100 wrote to memory of 2356	4100	oobeldr.exe	95
PID 4100 wrote to memory of 2356	4100	oobeldr.exe	95
PID 4100 wrote to memory of 2356	4100	oobeldr.exe	95
PID 4100 wrote to memory of 1604	4100	oobeldr.exe	96
PID 4100 wrote to memory of 1604	4100	oobeldr.exe	96
PID 4100 wrote to memory of 1604	4100	oobeldr.exe	96
PID 4100 wrote to memory of 1604	4100	oobeldr.exe	96
PID 4100 wrote to memory of 1604	4100	oobeldr.exe	96
PID 4100 wrote to memory of 1604	4100	oobeldr.exe	96
PID 4100 wrote to memory of 1604	4100	oobeldr.exe	96
PID 4100 wrote to memory of 1604	4100	oobeldr.exe	96
PID 4100 wrote to memory of 1604	4100	oobeldr.exe	96
PID 1100 wrote to memory of 2476	1100	oobeldr.exe	98
PID 1100 wrote to memory of 2476	1100	oobeldr.exe	98
PID 1100 wrote to memory of 2476	1100	oobeldr.exe	98
PID 1100 wrote to memory of 2476	1100	oobeldr.exe	98
PID 1100 wrote to memory of 2476	1100	oobeldr.exe	98
PID 1100 wrote to memory of 2476	1100	oobeldr.exe	98
PID 1100 wrote to memory of 2476	1100	oobeldr.exe	98
PID 1100 wrote to memory of 2476	1100	oobeldr.exe	98
PID 1100 wrote to memory of 2476	1100	oobeldr.exe	98

C:\Users\Admin\AppData\Local\Temp\258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe
"C:\Users\Admin\AppData\Local\Temp\258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1572
- C:\Users\Admin\AppData\Local\Temp\258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe
  C:\Users\Admin\AppData\Local\Temp\258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5048
- - 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:3760

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:224
- 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:2004
- - 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:4620

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:4100
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2356
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1604

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:1100
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2476

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
2e816eebfae7c72121b21afd42ff2cee

SHA1
e78b557ae342027b5fcbe443be862fed7d2bad27

SHA256
258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08

SHA512
45b6b29742998394b2b5878dff1ccbeb9e998779d210e78801fa015a16d2236bdd368f4551ae5224232c4e3e5a2cc8e245e00c9301285096f41f171197bfb2cd

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

Filesize
327KB

MD5
2e816eebfae7c72121b21afd42ff2cee

SHA1
e78b557ae342027b5fcbe443be862fed7d2bad27

SHA256
258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08

SHA512
45b6b29742998394b2b5878dff1ccbeb9e998779d210e78801fa015a16d2236bdd368f4551ae5224232c4e3e5a2cc8e245e00c9301285096f41f171197bfb2cd

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

Filesize
327KB

MD5
2e816eebfae7c72121b21afd42ff2cee

SHA1
e78b557ae342027b5fcbe443be862fed7d2bad27

SHA256
258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08

SHA512
45b6b29742998394b2b5878dff1ccbeb9e998779d210e78801fa015a16d2236bdd368f4551ae5224232c4e3e5a2cc8e245e00c9301285096f41f171197bfb2cd

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

Filesize
327KB

MD5
2e816eebfae7c72121b21afd42ff2cee

SHA1
e78b557ae342027b5fcbe443be862fed7d2bad27

SHA256
258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08

SHA512
45b6b29742998394b2b5878dff1ccbeb9e998779d210e78801fa015a16d2236bdd368f4551ae5224232c4e3e5a2cc8e245e00c9301285096f41f171197bfb2cd

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

Filesize
327KB

MD5
2e816eebfae7c72121b21afd42ff2cee

SHA1
e78b557ae342027b5fcbe443be862fed7d2bad27

SHA256
258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08

SHA512
45b6b29742998394b2b5878dff1ccbeb9e998779d210e78801fa015a16d2236bdd368f4551ae5224232c4e3e5a2cc8e245e00c9301285096f41f171197bfb2cd

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

Filesize
327KB

MD5
2e816eebfae7c72121b21afd42ff2cee

SHA1
e78b557ae342027b5fcbe443be862fed7d2bad27

SHA256
258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08

SHA512
45b6b29742998394b2b5878dff1ccbeb9e998779d210e78801fa015a16d2236bdd368f4551ae5224232c4e3e5a2cc8e245e00c9301285096f41f171197bfb2cd

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

Filesize
327KB

MD5
2e816eebfae7c72121b21afd42ff2cee

SHA1
e78b557ae342027b5fcbe443be862fed7d2bad27

SHA256
258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08

SHA512
45b6b29742998394b2b5878dff1ccbeb9e998779d210e78801fa015a16d2236bdd368f4551ae5224232c4e3e5a2cc8e245e00c9301285096f41f171197bfb2cd

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

Filesize
327KB

MD5
2e816eebfae7c72121b21afd42ff2cee

SHA1
e78b557ae342027b5fcbe443be862fed7d2bad27

SHA256
258b27dcb3ea929cd36d2354e2a43be6d3493aae8847b214161d203d3eeafe08

SHA512
45b6b29742998394b2b5878dff1ccbeb9e998779d210e78801fa015a16d2236bdd368f4551ae5224232c4e3e5a2cc8e245e00c9301285096f41f171197bfb2cd

Download Submit
memory/1572-134-0x0000000007080000-0x0000000007112000-memory.dmp

Filesize
584KB

Download
memory/1572-135-0x0000000007320000-0x0000000007396000-memory.dmp

Filesize
472KB

Download
memory/1572-136-0x0000000006FE0000-0x0000000006FFE000-memory.dmp

Filesize
120KB

Download
memory/1572-132-0x0000000000050000-0x00000000000A6000-memory.dmp

Filesize
344KB

Download
memory/1572-133-0x0000000007590000-0x0000000007B34000-memory.dmp

Filesize
5.6MB

Download
memory/5048-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/5048-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/5048-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads