b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a

Analysis

max time kernel
103s
max time network
73s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
01/11/2022, 14:28

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General

Target

b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe
Size

324KB
MD5

382640c492c8728dc80438f4ac535892
SHA1

f24a126842ea5c2b4d6d807980e382d7ed3b7211
SHA256

b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a
SHA512

166bc586fb100e555afe6c0f30a82556eb8bc125db58ba8613f3f603510aac02ae7cc47b8d97dc4f2bb2bd919f1fc60838569493fedc8d030c53e821f731878d
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 5 IoCs

pid	Process
4844	oobeldr.exe
4656	oobeldr.exe
3784	oobeldr.exe
4476	oobeldr.exe
1916	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 520 set thread context of 3572	520	b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe	66
PID 4844 set thread context of 3784	4844	oobeldr.exe	71
PID 4476 set thread context of 1916	4476	oobeldr.exe	75

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
4900	schtasks.exe
4424	schtasks.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 520 wrote to memory of 3572	520	b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe	66
PID 520 wrote to memory of 3572	520	b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe	66
PID 520 wrote to memory of 3572	520	b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe	66
PID 520 wrote to memory of 3572	520	b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe	66
PID 520 wrote to memory of 3572	520	b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe	66
PID 520 wrote to memory of 3572	520	b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe	66
PID 520 wrote to memory of 3572	520	b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe	66
PID 520 wrote to memory of 3572	520	b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe	66
PID 520 wrote to memory of 3572	520	b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe	66
PID 3572 wrote to memory of 4900	3572	b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe	67
PID 3572 wrote to memory of 4900	3572	b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe	67
PID 3572 wrote to memory of 4900	3572	b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe	67
PID 4844 wrote to memory of 4656	4844	oobeldr.exe	70
PID 4844 wrote to memory of 4656	4844	oobeldr.exe	70
PID 4844 wrote to memory of 4656	4844	oobeldr.exe	70
PID 4844 wrote to memory of 3784	4844	oobeldr.exe	71
PID 4844 wrote to memory of 3784	4844	oobeldr.exe	71
PID 4844 wrote to memory of 3784	4844	oobeldr.exe	71
PID 4844 wrote to memory of 3784	4844	oobeldr.exe	71
PID 4844 wrote to memory of 3784	4844	oobeldr.exe	71
PID 4844 wrote to memory of 3784	4844	oobeldr.exe	71
PID 4844 wrote to memory of 3784	4844	oobeldr.exe	71
PID 4844 wrote to memory of 3784	4844	oobeldr.exe	71
PID 4844 wrote to memory of 3784	4844	oobeldr.exe	71
PID 3784 wrote to memory of 4424	3784	oobeldr.exe	72
PID 3784 wrote to memory of 4424	3784	oobeldr.exe	72
PID 3784 wrote to memory of 4424	3784	oobeldr.exe	72
PID 4476 wrote to memory of 1916	4476	oobeldr.exe	75
PID 4476 wrote to memory of 1916	4476	oobeldr.exe	75
PID 4476 wrote to memory of 1916	4476	oobeldr.exe	75
PID 4476 wrote to memory of 1916	4476	oobeldr.exe	75
PID 4476 wrote to memory of 1916	4476	oobeldr.exe	75
PID 4476 wrote to memory of 1916	4476	oobeldr.exe	75
PID 4476 wrote to memory of 1916	4476	oobeldr.exe	75
PID 4476 wrote to memory of 1916	4476	oobeldr.exe	75
PID 4476 wrote to memory of 1916	4476	oobeldr.exe	75

C:\Users\Admin\AppData\Local\Temp\b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe
"C:\Users\Admin\AppData\Local\Temp\b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:520
- C:\Users\Admin\AppData\Local\Temp\b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe
  C:\Users\Admin\AppData\Local\Temp\b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3572
- - 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:4900

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:4844
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4656
- 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:3784
- - 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:4424

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:4476
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1916

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
db5ef8d7c51bad129d9097bf953e4913

SHA1
8439db960aa2d431bf5ec3c37af775b45eb07e06

SHA256
1248e67f10b47b397af3c8cbe342bad4be75c68b8e10f4ec6341195cc3138bd9

SHA512
04572485790b25e1751347e43b47174051cd153dd75fd55ee5590d25a2579f344cd96cf86cf45bdb7759e3e6d0f734d0ff717148ca70f501b9869e964e036fee

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

Filesize
324KB

MD5
382640c492c8728dc80438f4ac535892

SHA1
f24a126842ea5c2b4d6d807980e382d7ed3b7211

SHA256
b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a

SHA512
166bc586fb100e555afe6c0f30a82556eb8bc125db58ba8613f3f603510aac02ae7cc47b8d97dc4f2bb2bd919f1fc60838569493fedc8d030c53e821f731878d

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

Filesize
324KB

MD5
382640c492c8728dc80438f4ac535892

SHA1
f24a126842ea5c2b4d6d807980e382d7ed3b7211

SHA256
b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a

SHA512
166bc586fb100e555afe6c0f30a82556eb8bc125db58ba8613f3f603510aac02ae7cc47b8d97dc4f2bb2bd919f1fc60838569493fedc8d030c53e821f731878d

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

Filesize
324KB

MD5
382640c492c8728dc80438f4ac535892

SHA1
f24a126842ea5c2b4d6d807980e382d7ed3b7211

SHA256
b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a

SHA512
166bc586fb100e555afe6c0f30a82556eb8bc125db58ba8613f3f603510aac02ae7cc47b8d97dc4f2bb2bd919f1fc60838569493fedc8d030c53e821f731878d

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

Filesize
324KB

MD5
382640c492c8728dc80438f4ac535892

SHA1
f24a126842ea5c2b4d6d807980e382d7ed3b7211

SHA256
b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a

SHA512
166bc586fb100e555afe6c0f30a82556eb8bc125db58ba8613f3f603510aac02ae7cc47b8d97dc4f2bb2bd919f1fc60838569493fedc8d030c53e821f731878d

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

Filesize
324KB

MD5
382640c492c8728dc80438f4ac535892

SHA1
f24a126842ea5c2b4d6d807980e382d7ed3b7211

SHA256
b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a

SHA512
166bc586fb100e555afe6c0f30a82556eb8bc125db58ba8613f3f603510aac02ae7cc47b8d97dc4f2bb2bd919f1fc60838569493fedc8d030c53e821f731878d

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

Filesize
324KB

MD5
382640c492c8728dc80438f4ac535892

SHA1
f24a126842ea5c2b4d6d807980e382d7ed3b7211

SHA256
b71c724ab98d8e17e99732a684d7195697d0a6a4ed6447328ef972e4a080d72a

SHA512
166bc586fb100e555afe6c0f30a82556eb8bc125db58ba8613f3f603510aac02ae7cc47b8d97dc4f2bb2bd919f1fc60838569493fedc8d030c53e821f731878d

Download Submit
memory/520-157-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-171-0x00000000070D0000-0x00000000070EE000-memory.dmp

Filesize
120KB

Download
memory/520-126-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-127-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-128-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-129-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-130-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-131-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-132-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-133-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-134-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-135-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-160-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-137-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-138-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-139-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-140-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-141-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-142-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-143-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-144-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-145-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-146-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-147-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-148-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-149-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-150-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-151-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-152-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-153-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-154-0x00000000002B0000-0x0000000000306000-memory.dmp

Filesize
344KB

Download
memory/520-155-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-156-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-124-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-158-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-159-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-136-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-125-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-176-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-163-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-164-0x0000000007150000-0x00000000071E2000-memory.dmp

Filesize
584KB

Download
memory/520-165-0x0000000004B10000-0x0000000004B16000-memory.dmp

Filesize
24KB

Download
memory/520-166-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-167-0x00000000073F0000-0x0000000007466000-memory.dmp

Filesize
472KB

Download
memory/520-168-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-169-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-170-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-161-0x0000000006FE0000-0x00000000070AC000-memory.dmp

Filesize
816KB

Download
memory/520-172-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-173-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-174-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-175-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-162-0x00000000075B0000-0x0000000007AAE000-memory.dmp

Filesize
5.0MB

Download
memory/520-177-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-183-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-120-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-121-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-122-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/520-123-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/3572-232-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3572-184-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/3572-187-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/3572-188-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/3572-189-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/3572-181-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/3572-186-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/3572-182-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/3572-191-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/3572-190-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/3572-178-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3572-180-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads