f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1

Analysis

max time kernel
108s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2023, 06:10

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General

Target

f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe
Size

328KB
MD5

9ed7950b8380867ccaf63a07e5b8bcb7
SHA1

ccf46e97a85b4ddfea74b6707ae2aaf1b4cbf0a7
SHA256

f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1
SHA512

ab19419c19581e717c6695a86276ced9c530a73ad76556f7667d2a57a71bc21acb9f5051c06a437bf1d93cb10e402fa0fdd14b876a5c434c0fdec5868e6c65fe
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3712	oobeldr.exe
3552	oobeldr.exe
3156	oobeldr.exe
1912	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1976 set thread context of 4264	1976	f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe	80
PID 3712 set thread context of 3552	3712	oobeldr.exe	91
PID 3156 set thread context of 1912	3156	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
4556	schtasks.exe
424	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 4264	1976	f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe	80
PID 1976 wrote to memory of 4264	1976	f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe	80
PID 1976 wrote to memory of 4264	1976	f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe	80
PID 1976 wrote to memory of 4264	1976	f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe	80
PID 1976 wrote to memory of 4264	1976	f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe	80
PID 1976 wrote to memory of 4264	1976	f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe	80
PID 1976 wrote to memory of 4264	1976	f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe	80
PID 1976 wrote to memory of 4264	1976	f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe	80
PID 1976 wrote to memory of 4264	1976	f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe	80
PID 4264 wrote to memory of 4556	4264	f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe	84
PID 4264 wrote to memory of 4556	4264	f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe	84
PID 4264 wrote to memory of 4556	4264	f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe	84
PID 3712 wrote to memory of 3552	3712	oobeldr.exe	91
PID 3712 wrote to memory of 3552	3712	oobeldr.exe	91
PID 3712 wrote to memory of 3552	3712	oobeldr.exe	91
PID 3712 wrote to memory of 3552	3712	oobeldr.exe	91
PID 3712 wrote to memory of 3552	3712	oobeldr.exe	91
PID 3712 wrote to memory of 3552	3712	oobeldr.exe	91
PID 3712 wrote to memory of 3552	3712	oobeldr.exe	91
PID 3712 wrote to memory of 3552	3712	oobeldr.exe	91
PID 3712 wrote to memory of 3552	3712	oobeldr.exe	91
PID 3552 wrote to memory of 424	3552	oobeldr.exe	92
PID 3552 wrote to memory of 424	3552	oobeldr.exe	92
PID 3552 wrote to memory of 424	3552	oobeldr.exe	92
PID 3156 wrote to memory of 1912	3156	oobeldr.exe	95
PID 3156 wrote to memory of 1912	3156	oobeldr.exe	95
PID 3156 wrote to memory of 1912	3156	oobeldr.exe	95
PID 3156 wrote to memory of 1912	3156	oobeldr.exe	95
PID 3156 wrote to memory of 1912	3156	oobeldr.exe	95
PID 3156 wrote to memory of 1912	3156	oobeldr.exe	95
PID 3156 wrote to memory of 1912	3156	oobeldr.exe	95
PID 3156 wrote to memory of 1912	3156	oobeldr.exe	95
PID 3156 wrote to memory of 1912	3156	oobeldr.exe	95

C:\Users\Admin\AppData\Local\Temp\f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe
"C:\Users\Admin\AppData\Local\Temp\f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe
  C:\Users\Admin\AppData\Local\Temp\f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4264
- - 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:4556

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:3712
- 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:3552
- - 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:424

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:3156
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1912

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
9ed7950b8380867ccaf63a07e5b8bcb7

SHA1
ccf46e97a85b4ddfea74b6707ae2aaf1b4cbf0a7

SHA256
f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1

SHA512
ab19419c19581e717c6695a86276ced9c530a73ad76556f7667d2a57a71bc21acb9f5051c06a437bf1d93cb10e402fa0fdd14b876a5c434c0fdec5868e6c65fe

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

Filesize
328KB

MD5
9ed7950b8380867ccaf63a07e5b8bcb7

SHA1
ccf46e97a85b4ddfea74b6707ae2aaf1b4cbf0a7

SHA256
f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1

SHA512
ab19419c19581e717c6695a86276ced9c530a73ad76556f7667d2a57a71bc21acb9f5051c06a437bf1d93cb10e402fa0fdd14b876a5c434c0fdec5868e6c65fe

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

Filesize
328KB

MD5
9ed7950b8380867ccaf63a07e5b8bcb7

SHA1
ccf46e97a85b4ddfea74b6707ae2aaf1b4cbf0a7

SHA256
f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1

SHA512
ab19419c19581e717c6695a86276ced9c530a73ad76556f7667d2a57a71bc21acb9f5051c06a437bf1d93cb10e402fa0fdd14b876a5c434c0fdec5868e6c65fe

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

Filesize
328KB

MD5
9ed7950b8380867ccaf63a07e5b8bcb7

SHA1
ccf46e97a85b4ddfea74b6707ae2aaf1b4cbf0a7

SHA256
f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1

SHA512
ab19419c19581e717c6695a86276ced9c530a73ad76556f7667d2a57a71bc21acb9f5051c06a437bf1d93cb10e402fa0fdd14b876a5c434c0fdec5868e6c65fe

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

Filesize
328KB

MD5
9ed7950b8380867ccaf63a07e5b8bcb7

SHA1
ccf46e97a85b4ddfea74b6707ae2aaf1b4cbf0a7

SHA256
f8f16bc5e44d43a4c18d252bfb06de8d628bae514a1ddce5a725e317f0f837c1

SHA512
ab19419c19581e717c6695a86276ced9c530a73ad76556f7667d2a57a71bc21acb9f5051c06a437bf1d93cb10e402fa0fdd14b876a5c434c0fdec5868e6c65fe

Download Submit
memory/1976-136-0x0000000005AA0000-0x0000000005ABE000-memory.dmp

Filesize
120KB

Download
memory/1976-135-0x0000000008B50000-0x0000000008BC6000-memory.dmp

Filesize
472KB

Download
memory/1976-134-0x0000000007DF0000-0x0000000007E82000-memory.dmp

Filesize
584KB

Download
memory/1976-133-0x00000000083A0000-0x0000000008944000-memory.dmp

Filesize
5.6MB

Download
memory/1976-132-0x0000000000F80000-0x0000000000FD6000-memory.dmp

Filesize
344KB

Download
memory/4264-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4264-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4264-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads