08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d

Analysis

max time kernel
136s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2022 13:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe
Size

327KB
MD5

e1082e3479830b262e03769bdcf128e1
SHA1

873a963c2a5bb1ae6647b20fa12ccf6f4c06d648
SHA256

08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d
SHA512

1e211b00a65eb1460db8cbd867c86b5a4e47b99fc2e70e80498d856d0c8345efd4e93a39991e2850a57fad4cec2547ce40dfe0928a6b446144c4687fe2896e4f
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 7 IoCs

pid	Process
820	oobeldr.exe
2788	oobeldr.exe
392	oobeldr.exe
4500	oobeldr.exe
3484	oobeldr.exe
3296	oobeldr.exe
1784	oobeldr.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4992 set thread context of 4568	4992	08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe	81
PID 820 set thread context of 2788	820	oobeldr.exe	91
PID 392 set thread context of 3484	392	oobeldr.exe	97
PID 3296 set thread context of 1784	3296	oobeldr.exe	99

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
3136	schtasks.exe
1964	schtasks.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 4568	4992	08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe	81
PID 4992 wrote to memory of 4568	4992	08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe	81
PID 4992 wrote to memory of 4568	4992	08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe	81
PID 4992 wrote to memory of 4568	4992	08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe	81
PID 4992 wrote to memory of 4568	4992	08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe	81
PID 4992 wrote to memory of 4568	4992	08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe	81
PID 4992 wrote to memory of 4568	4992	08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe	81
PID 4992 wrote to memory of 4568	4992	08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe	81
PID 4992 wrote to memory of 4568	4992	08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe	81
PID 4568 wrote to memory of 3136	4568	08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe	85
PID 4568 wrote to memory of 3136	4568	08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe	85
PID 4568 wrote to memory of 3136	4568	08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe	85
PID 820 wrote to memory of 2788	820	oobeldr.exe	91
PID 820 wrote to memory of 2788	820	oobeldr.exe	91
PID 820 wrote to memory of 2788	820	oobeldr.exe	91
PID 820 wrote to memory of 2788	820	oobeldr.exe	91
PID 820 wrote to memory of 2788	820	oobeldr.exe	91
PID 820 wrote to memory of 2788	820	oobeldr.exe	91
PID 820 wrote to memory of 2788	820	oobeldr.exe	91
PID 820 wrote to memory of 2788	820	oobeldr.exe	91
PID 820 wrote to memory of 2788	820	oobeldr.exe	91
PID 2788 wrote to memory of 1964	2788	oobeldr.exe	92
PID 2788 wrote to memory of 1964	2788	oobeldr.exe	92
PID 2788 wrote to memory of 1964	2788	oobeldr.exe	92
PID 392 wrote to memory of 4500	392	oobeldr.exe	96
PID 392 wrote to memory of 4500	392	oobeldr.exe	96
PID 392 wrote to memory of 4500	392	oobeldr.exe	96
PID 392 wrote to memory of 3484	392	oobeldr.exe	97
PID 392 wrote to memory of 3484	392	oobeldr.exe	97
PID 392 wrote to memory of 3484	392	oobeldr.exe	97
PID 392 wrote to memory of 3484	392	oobeldr.exe	97
PID 392 wrote to memory of 3484	392	oobeldr.exe	97
PID 392 wrote to memory of 3484	392	oobeldr.exe	97
PID 392 wrote to memory of 3484	392	oobeldr.exe	97
PID 392 wrote to memory of 3484	392	oobeldr.exe	97
PID 392 wrote to memory of 3484	392	oobeldr.exe	97
PID 3296 wrote to memory of 1784	3296	oobeldr.exe	99
PID 3296 wrote to memory of 1784	3296	oobeldr.exe	99
PID 3296 wrote to memory of 1784	3296	oobeldr.exe	99
PID 3296 wrote to memory of 1784	3296	oobeldr.exe	99
PID 3296 wrote to memory of 1784	3296	oobeldr.exe	99
PID 3296 wrote to memory of 1784	3296	oobeldr.exe	99
PID 3296 wrote to memory of 1784	3296	oobeldr.exe	99
PID 3296 wrote to memory of 1784	3296	oobeldr.exe	99
PID 3296 wrote to memory of 1784	3296	oobeldr.exe	99

C:\Users\Admin\AppData\Local\Temp\08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe
"C:\Users\Admin\AppData\Local\Temp\08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Users\Admin\AppData\Local\Temp\08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe
  C:\Users\Admin\AppData\Local\Temp\08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4568
- - 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:3136

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:820
- 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:2788
- - 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:1964

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:392
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4500
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3484

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:3296
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1784

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

Loading Replay Monitor...

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
327KB

MD5
e1082e3479830b262e03769bdcf128e1

SHA1
873a963c2a5bb1ae6647b20fa12ccf6f4c06d648

SHA256
08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d

SHA512
1e211b00a65eb1460db8cbd867c86b5a4e47b99fc2e70e80498d856d0c8345efd4e93a39991e2850a57fad4cec2547ce40dfe0928a6b446144c4687fe2896e4f

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

Filesize
327KB

MD5
e1082e3479830b262e03769bdcf128e1

SHA1
873a963c2a5bb1ae6647b20fa12ccf6f4c06d648

SHA256
08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d

SHA512
1e211b00a65eb1460db8cbd867c86b5a4e47b99fc2e70e80498d856d0c8345efd4e93a39991e2850a57fad4cec2547ce40dfe0928a6b446144c4687fe2896e4f

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

Filesize
327KB

MD5
e1082e3479830b262e03769bdcf128e1

SHA1
873a963c2a5bb1ae6647b20fa12ccf6f4c06d648

SHA256
08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d

SHA512
1e211b00a65eb1460db8cbd867c86b5a4e47b99fc2e70e80498d856d0c8345efd4e93a39991e2850a57fad4cec2547ce40dfe0928a6b446144c4687fe2896e4f

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

Filesize
327KB

MD5
e1082e3479830b262e03769bdcf128e1

SHA1
873a963c2a5bb1ae6647b20fa12ccf6f4c06d648

SHA256
08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d

SHA512
1e211b00a65eb1460db8cbd867c86b5a4e47b99fc2e70e80498d856d0c8345efd4e93a39991e2850a57fad4cec2547ce40dfe0928a6b446144c4687fe2896e4f

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

Filesize
327KB

MD5
e1082e3479830b262e03769bdcf128e1

SHA1
873a963c2a5bb1ae6647b20fa12ccf6f4c06d648

SHA256
08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d

SHA512
1e211b00a65eb1460db8cbd867c86b5a4e47b99fc2e70e80498d856d0c8345efd4e93a39991e2850a57fad4cec2547ce40dfe0928a6b446144c4687fe2896e4f

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

Filesize
327KB

MD5
e1082e3479830b262e03769bdcf128e1

SHA1
873a963c2a5bb1ae6647b20fa12ccf6f4c06d648

SHA256
08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d

SHA512
1e211b00a65eb1460db8cbd867c86b5a4e47b99fc2e70e80498d856d0c8345efd4e93a39991e2850a57fad4cec2547ce40dfe0928a6b446144c4687fe2896e4f

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

Filesize
327KB

MD5
e1082e3479830b262e03769bdcf128e1

SHA1
873a963c2a5bb1ae6647b20fa12ccf6f4c06d648

SHA256
08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d

SHA512
1e211b00a65eb1460db8cbd867c86b5a4e47b99fc2e70e80498d856d0c8345efd4e93a39991e2850a57fad4cec2547ce40dfe0928a6b446144c4687fe2896e4f

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

Filesize
327KB

MD5
e1082e3479830b262e03769bdcf128e1

SHA1
873a963c2a5bb1ae6647b20fa12ccf6f4c06d648

SHA256
08a91c0be51d642968a0a3e4325b71a6ff4be4cbaa4faf54989c032e2b766a1d

SHA512
1e211b00a65eb1460db8cbd867c86b5a4e47b99fc2e70e80498d856d0c8345efd4e93a39991e2850a57fad4cec2547ce40dfe0928a6b446144c4687fe2896e4f

Download Submit
memory/4568-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4568-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4568-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4992-132-0x0000000000B40000-0x0000000000B96000-memory.dmp

Filesize
344KB

Download
memory/4992-133-0x0000000008040000-0x00000000085E4000-memory.dmp

Filesize
5.6MB

Download
memory/4992-134-0x0000000007B30000-0x0000000007BC2000-memory.dmp

Filesize
584KB

Download
memory/4992-135-0x0000000007DD0000-0x0000000007E46000-memory.dmp

Filesize
472KB

Download
memory/4992-136-0x0000000007AD0000-0x0000000007AEE000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads