40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5

Analysis

max time kernel
98s
max time network
60s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
01/11/2022, 22:24

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General

Target

40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe
Size

325KB
MD5

efe4ab7f8af18d3c3d46b6a8ecd5dc81
SHA1

48f5e457a7eae11807ee5d0c9b70339180484825
SHA256

40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5
SHA512

970524239d630407432285ab7dacffc781e64a5c40afb3d852ef4a619530d36c929760ac4a2688b88e55414418c04985898370053fa56bc85a4f75973ae1a3f6
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3568	oobeldr.exe
4772	oobeldr.exe
3996	oobeldr.exe
4700	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2196 set thread context of 4804	2196	40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe	66
PID 3568 set thread context of 4772	3568	oobeldr.exe	70
PID 3996 set thread context of 4700	3996	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
4136	schtasks.exe
3944	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 4804	2196	40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe	66
PID 2196 wrote to memory of 4804	2196	40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe	66
PID 2196 wrote to memory of 4804	2196	40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe	66
PID 2196 wrote to memory of 4804	2196	40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe	66
PID 2196 wrote to memory of 4804	2196	40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe	66
PID 2196 wrote to memory of 4804	2196	40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe	66
PID 2196 wrote to memory of 4804	2196	40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe	66
PID 2196 wrote to memory of 4804	2196	40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe	66
PID 2196 wrote to memory of 4804	2196	40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe	66
PID 4804 wrote to memory of 4136	4804	40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe	67
PID 4804 wrote to memory of 4136	4804	40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe	67
PID 4804 wrote to memory of 4136	4804	40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe	67
PID 3568 wrote to memory of 4772	3568	oobeldr.exe	70
PID 3568 wrote to memory of 4772	3568	oobeldr.exe	70
PID 3568 wrote to memory of 4772	3568	oobeldr.exe	70
PID 3568 wrote to memory of 4772	3568	oobeldr.exe	70
PID 3568 wrote to memory of 4772	3568	oobeldr.exe	70
PID 3568 wrote to memory of 4772	3568	oobeldr.exe	70
PID 3568 wrote to memory of 4772	3568	oobeldr.exe	70
PID 3568 wrote to memory of 4772	3568	oobeldr.exe	70
PID 3568 wrote to memory of 4772	3568	oobeldr.exe	70
PID 4772 wrote to memory of 3944	4772	oobeldr.exe	71
PID 4772 wrote to memory of 3944	4772	oobeldr.exe	71
PID 4772 wrote to memory of 3944	4772	oobeldr.exe	71
PID 3996 wrote to memory of 4700	3996	oobeldr.exe	74
PID 3996 wrote to memory of 4700	3996	oobeldr.exe	74
PID 3996 wrote to memory of 4700	3996	oobeldr.exe	74
PID 3996 wrote to memory of 4700	3996	oobeldr.exe	74
PID 3996 wrote to memory of 4700	3996	oobeldr.exe	74
PID 3996 wrote to memory of 4700	3996	oobeldr.exe	74
PID 3996 wrote to memory of 4700	3996	oobeldr.exe	74
PID 3996 wrote to memory of 4700	3996	oobeldr.exe	74
PID 3996 wrote to memory of 4700	3996	oobeldr.exe	74

C:\Users\Admin\AppData\Local\Temp\40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe
"C:\Users\Admin\AppData\Local\Temp\40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Users\Admin\AppData\Local\Temp\40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe
  C:\Users\Admin\AppData\Local\Temp\40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4804
- - 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:4136

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:3568
- 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:4772
- - 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:3944

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:3996
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4700

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
325KB

MD5
efe4ab7f8af18d3c3d46b6a8ecd5dc81

SHA1
48f5e457a7eae11807ee5d0c9b70339180484825

SHA256
40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5

SHA512
970524239d630407432285ab7dacffc781e64a5c40afb3d852ef4a619530d36c929760ac4a2688b88e55414418c04985898370053fa56bc85a4f75973ae1a3f6

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

Filesize
325KB

MD5
efe4ab7f8af18d3c3d46b6a8ecd5dc81

SHA1
48f5e457a7eae11807ee5d0c9b70339180484825

SHA256
40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5

SHA512
970524239d630407432285ab7dacffc781e64a5c40afb3d852ef4a619530d36c929760ac4a2688b88e55414418c04985898370053fa56bc85a4f75973ae1a3f6

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

Filesize
325KB

MD5
efe4ab7f8af18d3c3d46b6a8ecd5dc81

SHA1
48f5e457a7eae11807ee5d0c9b70339180484825

SHA256
40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5

SHA512
970524239d630407432285ab7dacffc781e64a5c40afb3d852ef4a619530d36c929760ac4a2688b88e55414418c04985898370053fa56bc85a4f75973ae1a3f6

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

Filesize
325KB

MD5
efe4ab7f8af18d3c3d46b6a8ecd5dc81

SHA1
48f5e457a7eae11807ee5d0c9b70339180484825

SHA256
40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5

SHA512
970524239d630407432285ab7dacffc781e64a5c40afb3d852ef4a619530d36c929760ac4a2688b88e55414418c04985898370053fa56bc85a4f75973ae1a3f6

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

Filesize
325KB

MD5
efe4ab7f8af18d3c3d46b6a8ecd5dc81

SHA1
48f5e457a7eae11807ee5d0c9b70339180484825

SHA256
40669a9f909f54e9a1a4f0d75794b1678e36d2d2028e2faf95b1bbce351318e5

SHA512
970524239d630407432285ab7dacffc781e64a5c40afb3d852ef4a619530d36c929760ac4a2688b88e55414418c04985898370053fa56bc85a4f75973ae1a3f6

Download Submit
memory/2196-154-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-167-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-122-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-123-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-124-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-125-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-126-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-127-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-128-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-129-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-130-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-131-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-156-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-133-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-134-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-135-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-136-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-137-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-138-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-140-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-139-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-141-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-142-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-143-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-144-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-145-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-146-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-147-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-148-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-149-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-150-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-151-0x0000000000170000-0x00000000001C6000-memory.dmp

Filesize
344KB

Download
memory/2196-152-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-153-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-120-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-155-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-132-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-121-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-172-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-159-0x0000000007500000-0x00000000079FE000-memory.dmp

Filesize
5.0MB

Download
memory/2196-160-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-161-0x0000000007000000-0x0000000007092000-memory.dmp

Filesize
584KB

Download
memory/2196-162-0x00000000049C0000-0x00000000049C6000-memory.dmp

Filesize
24KB

Download
memory/2196-163-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-164-0x00000000072A0000-0x0000000007316000-memory.dmp

Filesize
472KB

Download
memory/2196-165-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-166-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-157-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-168-0x0000000004B20000-0x0000000004B3E000-memory.dmp

Filesize
120KB

Download
memory/2196-169-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-170-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-171-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-158-0x0000000006F30000-0x0000000006FFC000-memory.dmp

Filesize
816KB

Download
memory/2196-173-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-174-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-182-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-117-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-118-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-119-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/4804-184-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/4804-185-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/4804-179-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/4804-177-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/4804-183-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/4804-178-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/4804-175-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4804-187-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/4804-180-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/4804-186-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/4804-188-0x0000000077660000-0x00000000777EE000-memory.dmp

Filesize
1.6MB

Download
memory/4804-228-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads