b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317

Analysis

max time kernel
107s
max time network
143s
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, 06:29

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General

Target

b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe
Size

326KB
MD5

1762f3eb49415a113e0cf1d00ae78a23
SHA1

19555c8dd443ec25259e8b0ae7666018ae315a82
SHA256

b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317
SHA512

205bf1b24a1bcd68d79c8345e1098afa785af44adb4e58211d00ca68f1f6c03faba5393b60fad2aa099995ee1d4f617f2dc4997fd412038d0786cbebb0198500
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
784	oobeldr.exe
4976	oobeldr.exe
4112	oobeldr.exe
4120	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4772 set thread context of 4684	4772	b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe	81
PID 784 set thread context of 4976	784	oobeldr.exe	86
PID 4112 set thread context of 4120	4112	oobeldr.exe	96

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
4916	schtasks.exe
3324	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 4684	4772	b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe	81
PID 4772 wrote to memory of 4684	4772	b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe	81
PID 4772 wrote to memory of 4684	4772	b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe	81
PID 4772 wrote to memory of 4684	4772	b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe	81
PID 4772 wrote to memory of 4684	4772	b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe	81
PID 4772 wrote to memory of 4684	4772	b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe	81
PID 4772 wrote to memory of 4684	4772	b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe	81
PID 4772 wrote to memory of 4684	4772	b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe	81
PID 4772 wrote to memory of 4684	4772	b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe	81
PID 4684 wrote to memory of 4916	4684	b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe	82
PID 4684 wrote to memory of 4916	4684	b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe	82
PID 4684 wrote to memory of 4916	4684	b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe	82
PID 784 wrote to memory of 4976	784	oobeldr.exe	86
PID 784 wrote to memory of 4976	784	oobeldr.exe	86
PID 784 wrote to memory of 4976	784	oobeldr.exe	86
PID 784 wrote to memory of 4976	784	oobeldr.exe	86
PID 784 wrote to memory of 4976	784	oobeldr.exe	86
PID 784 wrote to memory of 4976	784	oobeldr.exe	86
PID 784 wrote to memory of 4976	784	oobeldr.exe	86
PID 784 wrote to memory of 4976	784	oobeldr.exe	86
PID 784 wrote to memory of 4976	784	oobeldr.exe	86
PID 4976 wrote to memory of 3324	4976	oobeldr.exe	87
PID 4976 wrote to memory of 3324	4976	oobeldr.exe	87
PID 4976 wrote to memory of 3324	4976	oobeldr.exe	87
PID 4112 wrote to memory of 4120	4112	oobeldr.exe	96
PID 4112 wrote to memory of 4120	4112	oobeldr.exe	96
PID 4112 wrote to memory of 4120	4112	oobeldr.exe	96
PID 4112 wrote to memory of 4120	4112	oobeldr.exe	96
PID 4112 wrote to memory of 4120	4112	oobeldr.exe	96
PID 4112 wrote to memory of 4120	4112	oobeldr.exe	96
PID 4112 wrote to memory of 4120	4112	oobeldr.exe	96
PID 4112 wrote to memory of 4120	4112	oobeldr.exe	96
PID 4112 wrote to memory of 4120	4112	oobeldr.exe	96

C:\Users\Admin\AppData\Local\Temp\b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe
"C:\Users\Admin\AppData\Local\Temp\b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4772
- C:\Users\Admin\AppData\Local\Temp\b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe
  C:\Users\Admin\AppData\Local\Temp\b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4684
- - 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:4916

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:784
- 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:4976
- - 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:3324

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:4112
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4120

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

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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
1762f3eb49415a113e0cf1d00ae78a23

SHA1
19555c8dd443ec25259e8b0ae7666018ae315a82

SHA256
b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317

SHA512
205bf1b24a1bcd68d79c8345e1098afa785af44adb4e58211d00ca68f1f6c03faba5393b60fad2aa099995ee1d4f617f2dc4997fd412038d0786cbebb0198500

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

Filesize
326KB

MD5
1762f3eb49415a113e0cf1d00ae78a23

SHA1
19555c8dd443ec25259e8b0ae7666018ae315a82

SHA256
b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317

SHA512
205bf1b24a1bcd68d79c8345e1098afa785af44adb4e58211d00ca68f1f6c03faba5393b60fad2aa099995ee1d4f617f2dc4997fd412038d0786cbebb0198500

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

Filesize
326KB

MD5
1762f3eb49415a113e0cf1d00ae78a23

SHA1
19555c8dd443ec25259e8b0ae7666018ae315a82

SHA256
b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317

SHA512
205bf1b24a1bcd68d79c8345e1098afa785af44adb4e58211d00ca68f1f6c03faba5393b60fad2aa099995ee1d4f617f2dc4997fd412038d0786cbebb0198500

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

Filesize
326KB

MD5
1762f3eb49415a113e0cf1d00ae78a23

SHA1
19555c8dd443ec25259e8b0ae7666018ae315a82

SHA256
b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317

SHA512
205bf1b24a1bcd68d79c8345e1098afa785af44adb4e58211d00ca68f1f6c03faba5393b60fad2aa099995ee1d4f617f2dc4997fd412038d0786cbebb0198500

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

Filesize
326KB

MD5
1762f3eb49415a113e0cf1d00ae78a23

SHA1
19555c8dd443ec25259e8b0ae7666018ae315a82

SHA256
b3b63c71d2bae205c4fe38f1b91ed01aece0c6aa2c1a73a757c44f21498c9317

SHA512
205bf1b24a1bcd68d79c8345e1098afa785af44adb4e58211d00ca68f1f6c03faba5393b60fad2aa099995ee1d4f617f2dc4997fd412038d0786cbebb0198500

Download Submit
memory/4684-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4684-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4684-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4772-136-0x0000000007580000-0x000000000759E000-memory.dmp

Filesize
120KB

Download
memory/4772-132-0x00000000005E0000-0x0000000000636000-memory.dmp

Filesize
344KB

Download
memory/4772-135-0x00000000078C0000-0x0000000007936000-memory.dmp

Filesize
472KB

Download
memory/4772-134-0x0000000007620000-0x00000000076B2000-memory.dmp

Filesize
584KB

Download
memory/4772-133-0x0000000007B30000-0x00000000080D4000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads