c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb

Analysis

max time kernel
126s
max time network
128s
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, 02:25

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General

Target

c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe
Size

327KB
MD5

cb9badf6166fbb312c71d3f91fb8a319
SHA1

6b44524f378e3c5b0547e6152774ec23f092a4b8
SHA256

c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb
SHA512

1bd3567948c018c170fbcac17c61f19192010e4a83d33067928e6ada95aa01e8964ed92d0083ee7f5878bda4b8d7cd345ce1cfead791f0e664fbba941ea93743
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3720	oobeldr.exe
3104	oobeldr.exe
4756	oobeldr.exe
5028	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4296 set thread context of 2328	4296	c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe	83
PID 3720 set thread context of 3104	3720	oobeldr.exe	94
PID 4756 set thread context of 5028	4756	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
1176	schtasks.exe
1420	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 2328	4296	c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe	83
PID 4296 wrote to memory of 2328	4296	c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe	83
PID 4296 wrote to memory of 2328	4296	c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe	83
PID 4296 wrote to memory of 2328	4296	c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe	83
PID 4296 wrote to memory of 2328	4296	c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe	83
PID 4296 wrote to memory of 2328	4296	c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe	83
PID 4296 wrote to memory of 2328	4296	c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe	83
PID 4296 wrote to memory of 2328	4296	c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe	83
PID 4296 wrote to memory of 2328	4296	c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe	83
PID 2328 wrote to memory of 1176	2328	c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe	87
PID 2328 wrote to memory of 1176	2328	c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe	87
PID 2328 wrote to memory of 1176	2328	c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe	87
PID 3720 wrote to memory of 3104	3720	oobeldr.exe	94
PID 3720 wrote to memory of 3104	3720	oobeldr.exe	94
PID 3720 wrote to memory of 3104	3720	oobeldr.exe	94
PID 3720 wrote to memory of 3104	3720	oobeldr.exe	94
PID 3720 wrote to memory of 3104	3720	oobeldr.exe	94
PID 3720 wrote to memory of 3104	3720	oobeldr.exe	94
PID 3720 wrote to memory of 3104	3720	oobeldr.exe	94
PID 3720 wrote to memory of 3104	3720	oobeldr.exe	94
PID 3720 wrote to memory of 3104	3720	oobeldr.exe	94
PID 3104 wrote to memory of 1420	3104	oobeldr.exe	95
PID 3104 wrote to memory of 1420	3104	oobeldr.exe	95
PID 3104 wrote to memory of 1420	3104	oobeldr.exe	95
PID 4756 wrote to memory of 5028	4756	oobeldr.exe	98
PID 4756 wrote to memory of 5028	4756	oobeldr.exe	98
PID 4756 wrote to memory of 5028	4756	oobeldr.exe	98
PID 4756 wrote to memory of 5028	4756	oobeldr.exe	98
PID 4756 wrote to memory of 5028	4756	oobeldr.exe	98
PID 4756 wrote to memory of 5028	4756	oobeldr.exe	98
PID 4756 wrote to memory of 5028	4756	oobeldr.exe	98
PID 4756 wrote to memory of 5028	4756	oobeldr.exe	98
PID 4756 wrote to memory of 5028	4756	oobeldr.exe	98

C:\Users\Admin\AppData\Local\Temp\c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe
"C:\Users\Admin\AppData\Local\Temp\c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Users\Admin\AppData\Local\Temp\c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe
  C:\Users\Admin\AppData\Local\Temp\c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2328
- - 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:1176

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:3720
- 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:3104
- - 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:1420

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:4756
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:5028

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
327KB

MD5
cb9badf6166fbb312c71d3f91fb8a319

SHA1
6b44524f378e3c5b0547e6152774ec23f092a4b8

SHA256
c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb

SHA512
1bd3567948c018c170fbcac17c61f19192010e4a83d33067928e6ada95aa01e8964ed92d0083ee7f5878bda4b8d7cd345ce1cfead791f0e664fbba941ea93743

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

Filesize
327KB

MD5
cb9badf6166fbb312c71d3f91fb8a319

SHA1
6b44524f378e3c5b0547e6152774ec23f092a4b8

SHA256
c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb

SHA512
1bd3567948c018c170fbcac17c61f19192010e4a83d33067928e6ada95aa01e8964ed92d0083ee7f5878bda4b8d7cd345ce1cfead791f0e664fbba941ea93743

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

Filesize
327KB

MD5
cb9badf6166fbb312c71d3f91fb8a319

SHA1
6b44524f378e3c5b0547e6152774ec23f092a4b8

SHA256
c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb

SHA512
1bd3567948c018c170fbcac17c61f19192010e4a83d33067928e6ada95aa01e8964ed92d0083ee7f5878bda4b8d7cd345ce1cfead791f0e664fbba941ea93743

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

Filesize
327KB

MD5
cb9badf6166fbb312c71d3f91fb8a319

SHA1
6b44524f378e3c5b0547e6152774ec23f092a4b8

SHA256
c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb

SHA512
1bd3567948c018c170fbcac17c61f19192010e4a83d33067928e6ada95aa01e8964ed92d0083ee7f5878bda4b8d7cd345ce1cfead791f0e664fbba941ea93743

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

Filesize
327KB

MD5
cb9badf6166fbb312c71d3f91fb8a319

SHA1
6b44524f378e3c5b0547e6152774ec23f092a4b8

SHA256
c0f43e3a0c96b7ddc600dfd92ff829613e57249ce96f59cb31f038d5000245cb

SHA512
1bd3567948c018c170fbcac17c61f19192010e4a83d33067928e6ada95aa01e8964ed92d0083ee7f5878bda4b8d7cd345ce1cfead791f0e664fbba941ea93743

Download Submit
memory/2328-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2328-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2328-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4296-132-0x0000000000F60000-0x0000000000FB6000-memory.dmp

Filesize
344KB

Download
memory/4296-136-0x0000000007EF0000-0x0000000007F0E000-memory.dmp

Filesize
120KB

Download
memory/4296-135-0x0000000008230000-0x00000000082A6000-memory.dmp

Filesize
472KB

Download
memory/4296-134-0x0000000007F90000-0x0000000008022000-memory.dmp

Filesize
584KB

Download
memory/4296-133-0x00000000084A0000-0x0000000008A44000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads