b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd

Analysis

max time kernel
150s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02-11-2022 06:11

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General

Target

b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe
Size

326KB
MD5

e905bde7d8003395d8797d358846edf8
SHA1

8e5312749a05d29234ae11fea7f3ae81566d041e
SHA256

b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd
SHA512

d16df49127ffa2763ddd6405ee89cdc38b7cf12a0ffa44b90fb60a4a5e5c26d552be689a36aff4d48f5cdda1788c2ed71bd242b147a958c0f78ccd26665a5de0
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 6 IoCs

pid	Process
2380	oobeldr.exe
652	oobeldr.exe
5112	oobeldr.exe
1416	oobeldr.exe
5064	oobeldr.exe
4500	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1048 set thread context of 4824	1048	b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe	82
PID 2380 set thread context of 652	2380	oobeldr.exe	87
PID 5112 set thread context of 5064	5112	oobeldr.exe	98

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
4460	schtasks.exe
3532	schtasks.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 4824	1048	b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe	82
PID 1048 wrote to memory of 4824	1048	b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe	82
PID 1048 wrote to memory of 4824	1048	b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe	82
PID 1048 wrote to memory of 4824	1048	b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe	82
PID 1048 wrote to memory of 4824	1048	b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe	82
PID 1048 wrote to memory of 4824	1048	b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe	82
PID 1048 wrote to memory of 4824	1048	b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe	82
PID 1048 wrote to memory of 4824	1048	b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe	82
PID 1048 wrote to memory of 4824	1048	b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe	82
PID 4824 wrote to memory of 4460	4824	b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe	83
PID 4824 wrote to memory of 4460	4824	b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe	83
PID 4824 wrote to memory of 4460	4824	b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe	83
PID 2380 wrote to memory of 652	2380	oobeldr.exe	87
PID 2380 wrote to memory of 652	2380	oobeldr.exe	87
PID 2380 wrote to memory of 652	2380	oobeldr.exe	87
PID 2380 wrote to memory of 652	2380	oobeldr.exe	87
PID 2380 wrote to memory of 652	2380	oobeldr.exe	87
PID 2380 wrote to memory of 652	2380	oobeldr.exe	87
PID 2380 wrote to memory of 652	2380	oobeldr.exe	87
PID 2380 wrote to memory of 652	2380	oobeldr.exe	87
PID 2380 wrote to memory of 652	2380	oobeldr.exe	87
PID 652 wrote to memory of 3532	652	oobeldr.exe	90
PID 652 wrote to memory of 3532	652	oobeldr.exe	90
PID 652 wrote to memory of 3532	652	oobeldr.exe	90
PID 5112 wrote to memory of 1416	5112	oobeldr.exe	97
PID 5112 wrote to memory of 1416	5112	oobeldr.exe	97
PID 5112 wrote to memory of 1416	5112	oobeldr.exe	97
PID 5112 wrote to memory of 5064	5112	oobeldr.exe	98
PID 5112 wrote to memory of 5064	5112	oobeldr.exe	98
PID 5112 wrote to memory of 5064	5112	oobeldr.exe	98
PID 5112 wrote to memory of 5064	5112	oobeldr.exe	98
PID 5112 wrote to memory of 5064	5112	oobeldr.exe	98
PID 5112 wrote to memory of 5064	5112	oobeldr.exe	98
PID 5112 wrote to memory of 5064	5112	oobeldr.exe	98
PID 5112 wrote to memory of 5064	5112	oobeldr.exe	98
PID 5112 wrote to memory of 5064	5112	oobeldr.exe	98
PID 4500 wrote to memory of 1056	4500	oobeldr.exe	100
PID 4500 wrote to memory of 1056	4500	oobeldr.exe	100
PID 4500 wrote to memory of 1056	4500	oobeldr.exe	100

C:\Users\Admin\AppData\Local\Temp\b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe
"C:\Users\Admin\AppData\Local\Temp\b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Users\Admin\AppData\Local\Temp\b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe
  C:\Users\Admin\AppData\Local\Temp\b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4824
- - 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:4460

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:2380
- 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:652
- - 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:3532

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:5112
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1416
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:5064

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 WriteProcessMemory
PID:4500
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  PID:1056

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
326KB

MD5
e905bde7d8003395d8797d358846edf8

SHA1
8e5312749a05d29234ae11fea7f3ae81566d041e

SHA256
b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd

SHA512
d16df49127ffa2763ddd6405ee89cdc38b7cf12a0ffa44b90fb60a4a5e5c26d552be689a36aff4d48f5cdda1788c2ed71bd242b147a958c0f78ccd26665a5de0

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

Filesize
326KB

MD5
e905bde7d8003395d8797d358846edf8

SHA1
8e5312749a05d29234ae11fea7f3ae81566d041e

SHA256
b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd

SHA512
d16df49127ffa2763ddd6405ee89cdc38b7cf12a0ffa44b90fb60a4a5e5c26d552be689a36aff4d48f5cdda1788c2ed71bd242b147a958c0f78ccd26665a5de0

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

Filesize
326KB

MD5
e905bde7d8003395d8797d358846edf8

SHA1
8e5312749a05d29234ae11fea7f3ae81566d041e

SHA256
b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd

SHA512
d16df49127ffa2763ddd6405ee89cdc38b7cf12a0ffa44b90fb60a4a5e5c26d552be689a36aff4d48f5cdda1788c2ed71bd242b147a958c0f78ccd26665a5de0

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

Filesize
326KB

MD5
e905bde7d8003395d8797d358846edf8

SHA1
8e5312749a05d29234ae11fea7f3ae81566d041e

SHA256
b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd

SHA512
d16df49127ffa2763ddd6405ee89cdc38b7cf12a0ffa44b90fb60a4a5e5c26d552be689a36aff4d48f5cdda1788c2ed71bd242b147a958c0f78ccd26665a5de0

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

Filesize
326KB

MD5
e905bde7d8003395d8797d358846edf8

SHA1
8e5312749a05d29234ae11fea7f3ae81566d041e

SHA256
b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd

SHA512
d16df49127ffa2763ddd6405ee89cdc38b7cf12a0ffa44b90fb60a4a5e5c26d552be689a36aff4d48f5cdda1788c2ed71bd242b147a958c0f78ccd26665a5de0

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

Filesize
326KB

MD5
e905bde7d8003395d8797d358846edf8

SHA1
8e5312749a05d29234ae11fea7f3ae81566d041e

SHA256
b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd

SHA512
d16df49127ffa2763ddd6405ee89cdc38b7cf12a0ffa44b90fb60a4a5e5c26d552be689a36aff4d48f5cdda1788c2ed71bd242b147a958c0f78ccd26665a5de0

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

Filesize
326KB

MD5
e905bde7d8003395d8797d358846edf8

SHA1
8e5312749a05d29234ae11fea7f3ae81566d041e

SHA256
b8abbb046afc73fdabe2a95d85a542d7c2730699c51724c640c1d61a0b4f6afd

SHA512
d16df49127ffa2763ddd6405ee89cdc38b7cf12a0ffa44b90fb60a4a5e5c26d552be689a36aff4d48f5cdda1788c2ed71bd242b147a958c0f78ccd26665a5de0

Download Submit
memory/652-145-0x0000000000000000-mapping.dmp

Download
memory/1048-134-0x00000000073A0000-0x0000000007432000-memory.dmp

Filesize
584KB

Download
memory/1048-136-0x0000000004EE0000-0x0000000004EFE000-memory.dmp

Filesize
120KB

Download
memory/1048-135-0x0000000007640000-0x00000000076B6000-memory.dmp

Filesize
472KB

Download
memory/1048-132-0x00000000003D0000-0x0000000000426000-memory.dmp

Filesize
344KB

Download
memory/1048-133-0x00000000078B0000-0x0000000007E54000-memory.dmp

Filesize
5.6MB

Download
memory/3532-150-0x0000000000000000-mapping.dmp

Download
memory/4460-141-0x0000000000000000-mapping.dmp

Download
memory/4824-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4824-137-0x0000000000000000-mapping.dmp

Download
memory/4824-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4824-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/5064-154-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads