4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827

Analysis

max time kernel
120s
max time network
54s
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, 00:48

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General

Target

4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe
Size

322KB
MD5

b81fb6eb1723b9e6f2f4310d6ec88565
SHA1

06a1502edfe1f3a428d7fff71f7f40b58e6a6e52
SHA256

4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827
SHA512

2d99d09c7e4e6e92c784c259c4ef9b8a040d88fbe25b17c13ac79a74d875015339b8c828d263fed2392d337a94612be76a15c2b1ec6cb4f0d6c8610440861cd1
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1148	oobeldr.exe
2224	oobeldr.exe
4344	oobeldr.exe
5016	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2692 set thread context of 2132	2692	4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe	66
PID 1148 set thread context of 2224	1148	oobeldr.exe	70
PID 4344 set thread context of 5016	4344	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
3408	schtasks.exe
4752	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2132	2692	4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe	66
PID 2692 wrote to memory of 2132	2692	4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe	66
PID 2692 wrote to memory of 2132	2692	4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe	66
PID 2692 wrote to memory of 2132	2692	4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe	66
PID 2692 wrote to memory of 2132	2692	4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe	66
PID 2692 wrote to memory of 2132	2692	4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe	66
PID 2692 wrote to memory of 2132	2692	4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe	66
PID 2692 wrote to memory of 2132	2692	4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe	66
PID 2692 wrote to memory of 2132	2692	4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe	66
PID 2132 wrote to memory of 3408	2132	4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe	67
PID 2132 wrote to memory of 3408	2132	4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe	67
PID 2132 wrote to memory of 3408	2132	4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe	67
PID 1148 wrote to memory of 2224	1148	oobeldr.exe	70
PID 1148 wrote to memory of 2224	1148	oobeldr.exe	70
PID 1148 wrote to memory of 2224	1148	oobeldr.exe	70
PID 1148 wrote to memory of 2224	1148	oobeldr.exe	70
PID 1148 wrote to memory of 2224	1148	oobeldr.exe	70
PID 1148 wrote to memory of 2224	1148	oobeldr.exe	70
PID 1148 wrote to memory of 2224	1148	oobeldr.exe	70
PID 1148 wrote to memory of 2224	1148	oobeldr.exe	70
PID 1148 wrote to memory of 2224	1148	oobeldr.exe	70
PID 2224 wrote to memory of 4752	2224	oobeldr.exe	71
PID 2224 wrote to memory of 4752	2224	oobeldr.exe	71
PID 2224 wrote to memory of 4752	2224	oobeldr.exe	71
PID 4344 wrote to memory of 5016	4344	oobeldr.exe	74
PID 4344 wrote to memory of 5016	4344	oobeldr.exe	74
PID 4344 wrote to memory of 5016	4344	oobeldr.exe	74
PID 4344 wrote to memory of 5016	4344	oobeldr.exe	74
PID 4344 wrote to memory of 5016	4344	oobeldr.exe	74
PID 4344 wrote to memory of 5016	4344	oobeldr.exe	74
PID 4344 wrote to memory of 5016	4344	oobeldr.exe	74
PID 4344 wrote to memory of 5016	4344	oobeldr.exe	74
PID 4344 wrote to memory of 5016	4344	oobeldr.exe	74

C:\Users\Admin\AppData\Local\Temp\4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe
"C:\Users\Admin\AppData\Local\Temp\4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Users\Admin\AppData\Local\Temp\4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe
  C:\Users\Admin\AppData\Local\Temp\4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2132
- - 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:3408

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:1148
- 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:2224
- - 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:4752

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:4344
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:5016

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
322KB

MD5
b81fb6eb1723b9e6f2f4310d6ec88565

SHA1
06a1502edfe1f3a428d7fff71f7f40b58e6a6e52

SHA256
4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827

SHA512
2d99d09c7e4e6e92c784c259c4ef9b8a040d88fbe25b17c13ac79a74d875015339b8c828d263fed2392d337a94612be76a15c2b1ec6cb4f0d6c8610440861cd1

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

Filesize
322KB

MD5
b81fb6eb1723b9e6f2f4310d6ec88565

SHA1
06a1502edfe1f3a428d7fff71f7f40b58e6a6e52

SHA256
4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827

SHA512
2d99d09c7e4e6e92c784c259c4ef9b8a040d88fbe25b17c13ac79a74d875015339b8c828d263fed2392d337a94612be76a15c2b1ec6cb4f0d6c8610440861cd1

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

Filesize
322KB

MD5
b81fb6eb1723b9e6f2f4310d6ec88565

SHA1
06a1502edfe1f3a428d7fff71f7f40b58e6a6e52

SHA256
4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827

SHA512
2d99d09c7e4e6e92c784c259c4ef9b8a040d88fbe25b17c13ac79a74d875015339b8c828d263fed2392d337a94612be76a15c2b1ec6cb4f0d6c8610440861cd1

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

Filesize
322KB

MD5
b81fb6eb1723b9e6f2f4310d6ec88565

SHA1
06a1502edfe1f3a428d7fff71f7f40b58e6a6e52

SHA256
4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827

SHA512
2d99d09c7e4e6e92c784c259c4ef9b8a040d88fbe25b17c13ac79a74d875015339b8c828d263fed2392d337a94612be76a15c2b1ec6cb4f0d6c8610440861cd1

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

Filesize
322KB

MD5
b81fb6eb1723b9e6f2f4310d6ec88565

SHA1
06a1502edfe1f3a428d7fff71f7f40b58e6a6e52

SHA256
4b52fbed6026c5067e24ce3db28fbfe8521aecbd85bb9e78f2483e7c93f75827

SHA512
2d99d09c7e4e6e92c784c259c4ef9b8a040d88fbe25b17c13ac79a74d875015339b8c828d263fed2392d337a94612be76a15c2b1ec6cb4f0d6c8610440861cd1

Download Submit
memory/2132-188-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2132-185-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2132-230-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2132-189-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2132-176-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2132-187-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2132-186-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2132-184-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2132-181-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2132-180-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2132-179-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2132-178-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-138-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-169-0x0000000002810000-0x000000000282E000-memory.dmp

Filesize
120KB

Download
memory/2692-140-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-141-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-142-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-143-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-144-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-145-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-146-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-147-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-148-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-149-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-150-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-151-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-152-0x00000000003C0000-0x0000000000416000-memory.dmp

Filesize
344KB

Download
memory/2692-153-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-154-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-155-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-156-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-157-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-158-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-159-0x0000000004C90000-0x0000000004D5C000-memory.dmp

Filesize
816KB

Download
memory/2692-160-0x0000000007740000-0x0000000007C3E000-memory.dmp

Filesize
5.0MB

Download
memory/2692-161-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-162-0x0000000007240000-0x00000000072D2000-memory.dmp

Filesize
584KB

Download
memory/2692-163-0x00000000027C0000-0x00000000027C6000-memory.dmp

Filesize
24KB

Download
memory/2692-164-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-165-0x0000000007560000-0x00000000075D6000-memory.dmp

Filesize
472KB

Download
memory/2692-166-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-167-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-168-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-139-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-170-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-171-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-172-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-173-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-174-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-175-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-118-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-137-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-136-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-135-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-134-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-133-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-132-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-182-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-131-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-129-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-130-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-128-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-127-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-119-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-126-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-125-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-124-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-123-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-122-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-120-0x0000000077520000-0x00000000776AE000-memory.dmp

Filesize
1.6MB

Download
memory/2692-121-0x0000000077520000-0x00000000776AE000-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