a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75

Analysis

max time kernel
121s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2023, 06:26

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General

Target

a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe
Size

328KB
MD5

5ab94e5f32dbf920eded0fb2ace57ead
SHA1

070ede3e9003acad4998ce05bf932e386ed7826f
SHA256

a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75
SHA512

434f2144f3adb225c555ab86634fd393e4ef35ee1f9e78254d513476d790e68bdcdaee83ea69a214612adb58d48a60c967fe9082e86c7f7b654267cdfcbedcf8
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
2772	oobeldr.exe
4000	oobeldr.exe
2388	oobeldr.exe
2276	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1168 set thread context of 4964	1168	a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe	80
PID 2772 set thread context of 4000	2772	oobeldr.exe	91
PID 2388 set thread context of 2276	2388	oobeldr.exe	95

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
4936	schtasks.exe
4836	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 4964	1168	a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe	80
PID 1168 wrote to memory of 4964	1168	a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe	80
PID 1168 wrote to memory of 4964	1168	a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe	80
PID 1168 wrote to memory of 4964	1168	a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe	80
PID 1168 wrote to memory of 4964	1168	a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe	80
PID 1168 wrote to memory of 4964	1168	a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe	80
PID 1168 wrote to memory of 4964	1168	a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe	80
PID 1168 wrote to memory of 4964	1168	a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe	80
PID 1168 wrote to memory of 4964	1168	a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe	80
PID 4964 wrote to memory of 4936	4964	a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe	81
PID 4964 wrote to memory of 4936	4964	a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe	81
PID 4964 wrote to memory of 4936	4964	a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe	81
PID 2772 wrote to memory of 4000	2772	oobeldr.exe	91
PID 2772 wrote to memory of 4000	2772	oobeldr.exe	91
PID 2772 wrote to memory of 4000	2772	oobeldr.exe	91
PID 2772 wrote to memory of 4000	2772	oobeldr.exe	91
PID 2772 wrote to memory of 4000	2772	oobeldr.exe	91
PID 2772 wrote to memory of 4000	2772	oobeldr.exe	91
PID 2772 wrote to memory of 4000	2772	oobeldr.exe	91
PID 2772 wrote to memory of 4000	2772	oobeldr.exe	91
PID 2772 wrote to memory of 4000	2772	oobeldr.exe	91
PID 4000 wrote to memory of 4836	4000	oobeldr.exe	92
PID 4000 wrote to memory of 4836	4000	oobeldr.exe	92
PID 4000 wrote to memory of 4836	4000	oobeldr.exe	92
PID 2388 wrote to memory of 2276	2388	oobeldr.exe	95
PID 2388 wrote to memory of 2276	2388	oobeldr.exe	95
PID 2388 wrote to memory of 2276	2388	oobeldr.exe	95
PID 2388 wrote to memory of 2276	2388	oobeldr.exe	95
PID 2388 wrote to memory of 2276	2388	oobeldr.exe	95
PID 2388 wrote to memory of 2276	2388	oobeldr.exe	95
PID 2388 wrote to memory of 2276	2388	oobeldr.exe	95
PID 2388 wrote to memory of 2276	2388	oobeldr.exe	95
PID 2388 wrote to memory of 2276	2388	oobeldr.exe	95

C:\Users\Admin\AppData\Local\Temp\a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe
"C:\Users\Admin\AppData\Local\Temp\a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Users\Admin\AppData\Local\Temp\a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe
  C:\Users\Admin\AppData\Local\Temp\a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4964
- - 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:4936

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:2772
- 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:4000
- - 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:4836

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:2388
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2276

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
03d2df1e8834bc4ec1756735429b458c

SHA1
4ee6c0f5b04c8e0c5076219c5724032daab11d40

SHA256
745ab70552d9a0463b791fd8dc1942838ac3e34fb1a68f09ed3766c7e3b05631

SHA512
2482c3d4478125ccbc7f224f50e86b7bf925ed438b59f4dce57b9b6bcdb59df51417049096b131b6b911173550eed98bc92aba7050861de303a692f0681b197b

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

Filesize
328KB

MD5
5ab94e5f32dbf920eded0fb2ace57ead

SHA1
070ede3e9003acad4998ce05bf932e386ed7826f

SHA256
a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75

SHA512
434f2144f3adb225c555ab86634fd393e4ef35ee1f9e78254d513476d790e68bdcdaee83ea69a214612adb58d48a60c967fe9082e86c7f7b654267cdfcbedcf8

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

Filesize
328KB

MD5
5ab94e5f32dbf920eded0fb2ace57ead

SHA1
070ede3e9003acad4998ce05bf932e386ed7826f

SHA256
a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75

SHA512
434f2144f3adb225c555ab86634fd393e4ef35ee1f9e78254d513476d790e68bdcdaee83ea69a214612adb58d48a60c967fe9082e86c7f7b654267cdfcbedcf8

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

Filesize
328KB

MD5
5ab94e5f32dbf920eded0fb2ace57ead

SHA1
070ede3e9003acad4998ce05bf932e386ed7826f

SHA256
a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75

SHA512
434f2144f3adb225c555ab86634fd393e4ef35ee1f9e78254d513476d790e68bdcdaee83ea69a214612adb58d48a60c967fe9082e86c7f7b654267cdfcbedcf8

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

Filesize
328KB

MD5
5ab94e5f32dbf920eded0fb2ace57ead

SHA1
070ede3e9003acad4998ce05bf932e386ed7826f

SHA256
a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75

SHA512
434f2144f3adb225c555ab86634fd393e4ef35ee1f9e78254d513476d790e68bdcdaee83ea69a214612adb58d48a60c967fe9082e86c7f7b654267cdfcbedcf8

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

Filesize
328KB

MD5
5ab94e5f32dbf920eded0fb2ace57ead

SHA1
070ede3e9003acad4998ce05bf932e386ed7826f

SHA256
a8233d5cdaa8008b67f6b4e57987206197f9c90807c7e0bab2ec9cf8aa83cd75

SHA512
434f2144f3adb225c555ab86634fd393e4ef35ee1f9e78254d513476d790e68bdcdaee83ea69a214612adb58d48a60c967fe9082e86c7f7b654267cdfcbedcf8

Download Submit
memory/1168-132-0x0000000000560000-0x00000000005B6000-memory.dmp

Filesize
344KB

Download
memory/1168-133-0x0000000007AB0000-0x0000000008054000-memory.dmp

Filesize
5.6MB

Download
memory/1168-134-0x00000000075A0000-0x0000000007632000-memory.dmp

Filesize
584KB

Download
memory/1168-135-0x0000000007840000-0x00000000078B6000-memory.dmp

Filesize
472KB

Download
memory/1168-136-0x0000000007500000-0x000000000751E000-memory.dmp

Filesize
120KB

Download
memory/4964-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4964-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4964-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads