3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7

Analysis

max time kernel
111s
max time network
149s
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, 17:17

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General

Target

3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe
Size

325KB
MD5

1ba33b708df6d2d48a8ca5eafac5fb56
SHA1

9c6a87fc362392e615b7b4fb0c09da338b0ac779
SHA256

3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7
SHA512

e24c9b55176f052424e35d24b6e198220d6496fa53a884faaba17927d449e7c78c5fe37b6f3c41f7895676aeb4130adb77142425ad6ab58d3bd5bbbeeb94890e
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3724	oobeldr.exe
4348	oobeldr.exe
664	oobeldr.exe
2992	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4844 set thread context of 4988	4844	3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe	82
PID 3724 set thread context of 4348	3724	oobeldr.exe	93
PID 664 set thread context of 2992	664	oobeldr.exe	97

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
1220	schtasks.exe
4516	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 4988	4844	3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe	82
PID 4844 wrote to memory of 4988	4844	3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe	82
PID 4844 wrote to memory of 4988	4844	3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe	82
PID 4844 wrote to memory of 4988	4844	3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe	82
PID 4844 wrote to memory of 4988	4844	3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe	82
PID 4844 wrote to memory of 4988	4844	3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe	82
PID 4844 wrote to memory of 4988	4844	3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe	82
PID 4844 wrote to memory of 4988	4844	3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe	82
PID 4844 wrote to memory of 4988	4844	3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe	82
PID 4988 wrote to memory of 1220	4988	3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe	83
PID 4988 wrote to memory of 1220	4988	3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe	83
PID 4988 wrote to memory of 1220	4988	3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe	83
PID 3724 wrote to memory of 4348	3724	oobeldr.exe	93
PID 3724 wrote to memory of 4348	3724	oobeldr.exe	93
PID 3724 wrote to memory of 4348	3724	oobeldr.exe	93
PID 3724 wrote to memory of 4348	3724	oobeldr.exe	93
PID 3724 wrote to memory of 4348	3724	oobeldr.exe	93
PID 3724 wrote to memory of 4348	3724	oobeldr.exe	93
PID 3724 wrote to memory of 4348	3724	oobeldr.exe	93
PID 3724 wrote to memory of 4348	3724	oobeldr.exe	93
PID 3724 wrote to memory of 4348	3724	oobeldr.exe	93
PID 4348 wrote to memory of 4516	4348	oobeldr.exe	94
PID 4348 wrote to memory of 4516	4348	oobeldr.exe	94
PID 4348 wrote to memory of 4516	4348	oobeldr.exe	94
PID 664 wrote to memory of 2992	664	oobeldr.exe	97
PID 664 wrote to memory of 2992	664	oobeldr.exe	97
PID 664 wrote to memory of 2992	664	oobeldr.exe	97
PID 664 wrote to memory of 2992	664	oobeldr.exe	97
PID 664 wrote to memory of 2992	664	oobeldr.exe	97
PID 664 wrote to memory of 2992	664	oobeldr.exe	97
PID 664 wrote to memory of 2992	664	oobeldr.exe	97
PID 664 wrote to memory of 2992	664	oobeldr.exe	97
PID 664 wrote to memory of 2992	664	oobeldr.exe	97

C:\Users\Admin\AppData\Local\Temp\3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe
"C:\Users\Admin\AppData\Local\Temp\3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4844
- C:\Users\Admin\AppData\Local\Temp\3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe
  C:\Users\Admin\AppData\Local\Temp\3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4988
- - 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:1220

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:3724
- 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:4348
- - 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:4516

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:664
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2992

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
325KB

MD5
1ba33b708df6d2d48a8ca5eafac5fb56

SHA1
9c6a87fc362392e615b7b4fb0c09da338b0ac779

SHA256
3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7

SHA512
e24c9b55176f052424e35d24b6e198220d6496fa53a884faaba17927d449e7c78c5fe37b6f3c41f7895676aeb4130adb77142425ad6ab58d3bd5bbbeeb94890e

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

Filesize
325KB

MD5
1ba33b708df6d2d48a8ca5eafac5fb56

SHA1
9c6a87fc362392e615b7b4fb0c09da338b0ac779

SHA256
3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7

SHA512
e24c9b55176f052424e35d24b6e198220d6496fa53a884faaba17927d449e7c78c5fe37b6f3c41f7895676aeb4130adb77142425ad6ab58d3bd5bbbeeb94890e

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

Filesize
325KB

MD5
1ba33b708df6d2d48a8ca5eafac5fb56

SHA1
9c6a87fc362392e615b7b4fb0c09da338b0ac779

SHA256
3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7

SHA512
e24c9b55176f052424e35d24b6e198220d6496fa53a884faaba17927d449e7c78c5fe37b6f3c41f7895676aeb4130adb77142425ad6ab58d3bd5bbbeeb94890e

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

Filesize
325KB

MD5
1ba33b708df6d2d48a8ca5eafac5fb56

SHA1
9c6a87fc362392e615b7b4fb0c09da338b0ac779

SHA256
3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7

SHA512
e24c9b55176f052424e35d24b6e198220d6496fa53a884faaba17927d449e7c78c5fe37b6f3c41f7895676aeb4130adb77142425ad6ab58d3bd5bbbeeb94890e

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

Filesize
325KB

MD5
1ba33b708df6d2d48a8ca5eafac5fb56

SHA1
9c6a87fc362392e615b7b4fb0c09da338b0ac779

SHA256
3fcf016314d05d9faba7f1aa0a76e6193c4379757c1ed2e908fc13ee144381c7

SHA512
e24c9b55176f052424e35d24b6e198220d6496fa53a884faaba17927d449e7c78c5fe37b6f3c41f7895676aeb4130adb77142425ad6ab58d3bd5bbbeeb94890e

Download Submit
memory/4844-132-0x0000000000640000-0x0000000000696000-memory.dmp

Filesize
344KB

Download
memory/4844-136-0x0000000007880000-0x000000000789E000-memory.dmp

Filesize
120KB

Download
memory/4844-135-0x0000000007900000-0x0000000007976000-memory.dmp

Filesize
472KB

Download
memory/4844-134-0x00000000075E0000-0x0000000007672000-memory.dmp

Filesize
584KB

Download
memory/4844-133-0x0000000007AB0000-0x0000000008054000-memory.dmp

Filesize
5.6MB

Download
memory/4988-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4988-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4988-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads