b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f

Analysis

max time kernel
135s
max time network
74s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
02/11/2022, 08:38

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General

Target

b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe
Size

326KB
MD5

5094c41404ad535ee5385377fe0ae8b1
SHA1

7633a266964ccdcc8184d22e8ee4a821b847ab70
SHA256

b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f
SHA512

c17a2cbbd4470d72c9464416377bbfd9e71e6a55b66ea410e04eeb42b0bc91189f7270299f7f057841852495573c1ebc8c160a5d9753d4114c4ed2d4e1fe2bb9
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
4968	oobeldr.exe
4912	oobeldr.exe
3156	oobeldr.exe
1788	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4792 set thread context of 2328	4792	b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe	66
PID 4968 set thread context of 4912	4968	oobeldr.exe	70
PID 3156 set thread context of 1788	3156	oobeldr.exe	74

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
4116	schtasks.exe
3744	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 2328	4792	b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe	66
PID 4792 wrote to memory of 2328	4792	b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe	66
PID 4792 wrote to memory of 2328	4792	b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe	66
PID 4792 wrote to memory of 2328	4792	b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe	66
PID 4792 wrote to memory of 2328	4792	b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe	66
PID 4792 wrote to memory of 2328	4792	b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe	66
PID 4792 wrote to memory of 2328	4792	b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe	66
PID 4792 wrote to memory of 2328	4792	b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe	66
PID 4792 wrote to memory of 2328	4792	b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe	66
PID 2328 wrote to memory of 3744	2328	b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe	67
PID 2328 wrote to memory of 3744	2328	b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe	67
PID 2328 wrote to memory of 3744	2328	b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe	67
PID 4968 wrote to memory of 4912	4968	oobeldr.exe	70
PID 4968 wrote to memory of 4912	4968	oobeldr.exe	70
PID 4968 wrote to memory of 4912	4968	oobeldr.exe	70
PID 4968 wrote to memory of 4912	4968	oobeldr.exe	70
PID 4968 wrote to memory of 4912	4968	oobeldr.exe	70
PID 4968 wrote to memory of 4912	4968	oobeldr.exe	70
PID 4968 wrote to memory of 4912	4968	oobeldr.exe	70
PID 4968 wrote to memory of 4912	4968	oobeldr.exe	70
PID 4968 wrote to memory of 4912	4968	oobeldr.exe	70
PID 4912 wrote to memory of 4116	4912	oobeldr.exe	71
PID 4912 wrote to memory of 4116	4912	oobeldr.exe	71
PID 4912 wrote to memory of 4116	4912	oobeldr.exe	71
PID 3156 wrote to memory of 1788	3156	oobeldr.exe	74
PID 3156 wrote to memory of 1788	3156	oobeldr.exe	74
PID 3156 wrote to memory of 1788	3156	oobeldr.exe	74
PID 3156 wrote to memory of 1788	3156	oobeldr.exe	74
PID 3156 wrote to memory of 1788	3156	oobeldr.exe	74
PID 3156 wrote to memory of 1788	3156	oobeldr.exe	74
PID 3156 wrote to memory of 1788	3156	oobeldr.exe	74
PID 3156 wrote to memory of 1788	3156	oobeldr.exe	74
PID 3156 wrote to memory of 1788	3156	oobeldr.exe	74

C:\Users\Admin\AppData\Local\Temp\b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe
"C:\Users\Admin\AppData\Local\Temp\b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Users\Admin\AppData\Local\Temp\b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe
  C:\Users\Admin\AppData\Local\Temp\b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2328
- - 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:3744

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:4968
- 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:4912
- - 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:4116

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:3156
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1788

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
326KB

MD5
5094c41404ad535ee5385377fe0ae8b1

SHA1
7633a266964ccdcc8184d22e8ee4a821b847ab70

SHA256
b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f

SHA512
c17a2cbbd4470d72c9464416377bbfd9e71e6a55b66ea410e04eeb42b0bc91189f7270299f7f057841852495573c1ebc8c160a5d9753d4114c4ed2d4e1fe2bb9

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

Filesize
326KB

MD5
5094c41404ad535ee5385377fe0ae8b1

SHA1
7633a266964ccdcc8184d22e8ee4a821b847ab70

SHA256
b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f

SHA512
c17a2cbbd4470d72c9464416377bbfd9e71e6a55b66ea410e04eeb42b0bc91189f7270299f7f057841852495573c1ebc8c160a5d9753d4114c4ed2d4e1fe2bb9

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

Filesize
326KB

MD5
5094c41404ad535ee5385377fe0ae8b1

SHA1
7633a266964ccdcc8184d22e8ee4a821b847ab70

SHA256
b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f

SHA512
c17a2cbbd4470d72c9464416377bbfd9e71e6a55b66ea410e04eeb42b0bc91189f7270299f7f057841852495573c1ebc8c160a5d9753d4114c4ed2d4e1fe2bb9

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

Filesize
326KB

MD5
5094c41404ad535ee5385377fe0ae8b1

SHA1
7633a266964ccdcc8184d22e8ee4a821b847ab70

SHA256
b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f

SHA512
c17a2cbbd4470d72c9464416377bbfd9e71e6a55b66ea410e04eeb42b0bc91189f7270299f7f057841852495573c1ebc8c160a5d9753d4114c4ed2d4e1fe2bb9

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

Filesize
326KB

MD5
5094c41404ad535ee5385377fe0ae8b1

SHA1
7633a266964ccdcc8184d22e8ee4a821b847ab70

SHA256
b90d3a07643ac0e61ae323b04d715fa2f95d57f6c0cec9cc431342df4ac5449f

SHA512
c17a2cbbd4470d72c9464416377bbfd9e71e6a55b66ea410e04eeb42b0bc91189f7270299f7f057841852495573c1ebc8c160a5d9753d4114c4ed2d4e1fe2bb9

Download Submit
memory/2328-174-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2328-228-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2328-176-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2328-187-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2328-186-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2328-185-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2328-184-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2328-183-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2328-182-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2328-179-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2328-178-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2328-177-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-136-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-167-0x0000000007D60000-0x0000000007D7E000-memory.dmp

Filesize
120KB

Download
memory/4792-140-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-141-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-142-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-143-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-144-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-145-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-146-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-147-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-148-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-149-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-150-0x0000000000F40000-0x0000000000F96000-memory.dmp

Filesize
344KB

Download
memory/4792-151-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-152-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-153-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-154-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-155-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-156-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-157-0x0000000005750000-0x000000000581C000-memory.dmp

Filesize
816KB

Download
memory/4792-158-0x0000000008260000-0x000000000875E000-memory.dmp

Filesize
5.0MB

Download
memory/4792-159-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-160-0x0000000007E00000-0x0000000007E92000-memory.dmp

Filesize
584KB

Download
memory/4792-161-0x0000000005820000-0x0000000005826000-memory.dmp

Filesize
24KB

Download
memory/4792-162-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-163-0x00000000080A0000-0x0000000008116000-memory.dmp

Filesize
472KB

Download
memory/4792-164-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-165-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-166-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-139-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-168-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-169-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-170-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-171-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-172-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-173-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-138-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-137-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-116-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-135-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-180-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-134-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-133-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-132-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-131-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-130-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-129-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-128-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-127-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-126-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-125-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-124-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-123-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-117-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-122-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-121-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-120-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-119-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4792-118-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads