aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4

Analysis

max time kernel
97s
max time network
64s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
02/11/2022, 01:03

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General

Target

aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe
Size

325KB
MD5

9415eafe41baa147f30d1b5d76fb97d2
SHA1

892ec3e5b6f6723e419254fafcc9b11e4e0cfb0c
SHA256

aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4
SHA512

a5638b52390b5123f94c3a6e6743f188ebbecd3e298cda2a8bce7cdc9ddc4f69fdd138bf2a56e245eb393e66c583fcc8a8e4af83a82b0634f4f1fb55726c27e4
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
4984	oobeldr.exe
4960	oobeldr.exe
1872	oobeldr.exe
1504	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 2536	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	68
PID 4984 set thread context of 4960	4984	oobeldr.exe	72
PID 1872 set thread context of 1504	1872	oobeldr.exe	76

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
4352	schtasks.exe
4572	schtasks.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 2028	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	66
PID 2744 wrote to memory of 2028	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	66
PID 2744 wrote to memory of 2028	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	66
PID 2744 wrote to memory of 2264	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	67
PID 2744 wrote to memory of 2264	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	67
PID 2744 wrote to memory of 2264	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	67
PID 2744 wrote to memory of 2536	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	68
PID 2744 wrote to memory of 2536	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	68
PID 2744 wrote to memory of 2536	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	68
PID 2744 wrote to memory of 2536	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	68
PID 2744 wrote to memory of 2536	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	68
PID 2744 wrote to memory of 2536	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	68
PID 2744 wrote to memory of 2536	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	68
PID 2744 wrote to memory of 2536	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	68
PID 2744 wrote to memory of 2536	2744	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	68
PID 2536 wrote to memory of 4352	2536	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	69
PID 2536 wrote to memory of 4352	2536	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	69
PID 2536 wrote to memory of 4352	2536	aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe	69
PID 4984 wrote to memory of 4960	4984	oobeldr.exe	72
PID 4984 wrote to memory of 4960	4984	oobeldr.exe	72
PID 4984 wrote to memory of 4960	4984	oobeldr.exe	72
PID 4984 wrote to memory of 4960	4984	oobeldr.exe	72
PID 4984 wrote to memory of 4960	4984	oobeldr.exe	72
PID 4984 wrote to memory of 4960	4984	oobeldr.exe	72
PID 4984 wrote to memory of 4960	4984	oobeldr.exe	72
PID 4984 wrote to memory of 4960	4984	oobeldr.exe	72
PID 4984 wrote to memory of 4960	4984	oobeldr.exe	72
PID 4960 wrote to memory of 4572	4960	oobeldr.exe	73
PID 4960 wrote to memory of 4572	4960	oobeldr.exe	73
PID 4960 wrote to memory of 4572	4960	oobeldr.exe	73
PID 1872 wrote to memory of 1504	1872	oobeldr.exe	76
PID 1872 wrote to memory of 1504	1872	oobeldr.exe	76
PID 1872 wrote to memory of 1504	1872	oobeldr.exe	76
PID 1872 wrote to memory of 1504	1872	oobeldr.exe	76
PID 1872 wrote to memory of 1504	1872	oobeldr.exe	76
PID 1872 wrote to memory of 1504	1872	oobeldr.exe	76
PID 1872 wrote to memory of 1504	1872	oobeldr.exe	76
PID 1872 wrote to memory of 1504	1872	oobeldr.exe	76
PID 1872 wrote to memory of 1504	1872	oobeldr.exe	76

C:\Users\Admin\AppData\Local\Temp\aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe
"C:\Users\Admin\AppData\Local\Temp\aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2744
- C:\Users\Admin\AppData\Local\Temp\aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe
  C:\Users\Admin\AppData\Local\Temp\aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe
  2⤵
  PID:2028
- C:\Users\Admin\AppData\Local\Temp\aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe
  C:\Users\Admin\AppData\Local\Temp\aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe
  2⤵
  PID:2264
- C:\Users\Admin\AppData\Local\Temp\aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe
  C:\Users\Admin\AppData\Local\Temp\aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2536
- - 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:4352

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:4984
- 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:4960
- - 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:4572

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:1872
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1504

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
9415eafe41baa147f30d1b5d76fb97d2

SHA1
892ec3e5b6f6723e419254fafcc9b11e4e0cfb0c

SHA256
aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4

SHA512
a5638b52390b5123f94c3a6e6743f188ebbecd3e298cda2a8bce7cdc9ddc4f69fdd138bf2a56e245eb393e66c583fcc8a8e4af83a82b0634f4f1fb55726c27e4

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

Filesize
325KB

MD5
9415eafe41baa147f30d1b5d76fb97d2

SHA1
892ec3e5b6f6723e419254fafcc9b11e4e0cfb0c

SHA256
aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4

SHA512
a5638b52390b5123f94c3a6e6743f188ebbecd3e298cda2a8bce7cdc9ddc4f69fdd138bf2a56e245eb393e66c583fcc8a8e4af83a82b0634f4f1fb55726c27e4

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

Filesize
325KB

MD5
9415eafe41baa147f30d1b5d76fb97d2

SHA1
892ec3e5b6f6723e419254fafcc9b11e4e0cfb0c

SHA256
aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4

SHA512
a5638b52390b5123f94c3a6e6743f188ebbecd3e298cda2a8bce7cdc9ddc4f69fdd138bf2a56e245eb393e66c583fcc8a8e4af83a82b0634f4f1fb55726c27e4

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

Filesize
325KB

MD5
9415eafe41baa147f30d1b5d76fb97d2

SHA1
892ec3e5b6f6723e419254fafcc9b11e4e0cfb0c

SHA256
aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4

SHA512
a5638b52390b5123f94c3a6e6743f188ebbecd3e298cda2a8bce7cdc9ddc4f69fdd138bf2a56e245eb393e66c583fcc8a8e4af83a82b0634f4f1fb55726c27e4

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

Filesize
325KB

MD5
9415eafe41baa147f30d1b5d76fb97d2

SHA1
892ec3e5b6f6723e419254fafcc9b11e4e0cfb0c

SHA256
aa36ab39b81eb7cb5c93b1051ae9db490f8b4214a8073f67f0fd2ea0ea5bb9f4

SHA512
a5638b52390b5123f94c3a6e6743f188ebbecd3e298cda2a8bce7cdc9ddc4f69fdd138bf2a56e245eb393e66c583fcc8a8e4af83a82b0634f4f1fb55726c27e4

Download Submit
memory/2536-190-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2536-232-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2536-191-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2536-178-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2536-189-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2536-188-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2536-187-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2536-185-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2536-183-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2536-182-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2536-181-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2536-180-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-140-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-171-0x0000000004A50000-0x0000000004A6E000-memory.dmp

Filesize
120KB

Download
memory/2744-142-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-143-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-144-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-145-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-146-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-147-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-148-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-149-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-150-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-151-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-152-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-153-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-154-0x00000000001B0000-0x0000000000206000-memory.dmp

Filesize
344KB

Download
memory/2744-155-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-156-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-157-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-158-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-159-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-160-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-161-0x0000000004B90000-0x0000000004C5C000-memory.dmp

Filesize
816KB

Download
memory/2744-162-0x0000000007510000-0x0000000007A0E000-memory.dmp

Filesize
5.0MB

Download
memory/2744-163-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-164-0x00000000070B0000-0x0000000007142000-memory.dmp

Filesize
584KB

Download
memory/2744-165-0x0000000004A00000-0x0000000004A06000-memory.dmp

Filesize
24KB

Download
memory/2744-166-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-167-0x0000000007350000-0x00000000073C6000-memory.dmp

Filesize
472KB

Download
memory/2744-168-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-169-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-170-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-141-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-172-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-173-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-174-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-175-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-176-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-177-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-120-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-139-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-138-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-137-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-136-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-135-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-134-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-186-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-133-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-132-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-131-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-130-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-129-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-121-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-128-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-127-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-126-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-122-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-125-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-123-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-124-0x0000000076F80000-0x000000007710E000-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