1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2

Analysis

max time kernel
104s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2022 14:50

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General

Target

1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe
Size

327KB
MD5

a71c078e06963f453d33f1a9ae73d474
SHA1

4b664963be0336a290077bce45c75c4774e0d75b
SHA256

1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2
SHA512

0e728fad1ca51fe01590fc0613ec6e9a92c78796392eaa56a7d6a7e297572f78d446ccc3033a45b67c7fac168110a854a097efcb4a9660d1c257c6ac0a1e2ca0
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
228	oobeldr.exe
3516	oobeldr.exe
3764	oobeldr.exe
4964	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4540 set thread context of 5024	4540	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	82
PID 228 set thread context of 3516	228	oobeldr.exe	93
PID 3764 set thread context of 4964	3764	oobeldr.exe	97

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
5064	schtasks.exe
2192	schtasks.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 960	4540	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	81
PID 4540 wrote to memory of 960	4540	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	81
PID 4540 wrote to memory of 960	4540	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	81
PID 4540 wrote to memory of 5024	4540	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	82
PID 4540 wrote to memory of 5024	4540	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	82
PID 4540 wrote to memory of 5024	4540	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	82
PID 4540 wrote to memory of 5024	4540	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	82
PID 4540 wrote to memory of 5024	4540	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	82
PID 4540 wrote to memory of 5024	4540	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	82
PID 4540 wrote to memory of 5024	4540	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	82
PID 4540 wrote to memory of 5024	4540	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	82
PID 4540 wrote to memory of 5024	4540	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	82
PID 5024 wrote to memory of 5064	5024	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	83
PID 5024 wrote to memory of 5064	5024	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	83
PID 5024 wrote to memory of 5064	5024	1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe	83
PID 228 wrote to memory of 3516	228	oobeldr.exe	93
PID 228 wrote to memory of 3516	228	oobeldr.exe	93
PID 228 wrote to memory of 3516	228	oobeldr.exe	93
PID 228 wrote to memory of 3516	228	oobeldr.exe	93
PID 228 wrote to memory of 3516	228	oobeldr.exe	93
PID 228 wrote to memory of 3516	228	oobeldr.exe	93
PID 228 wrote to memory of 3516	228	oobeldr.exe	93
PID 228 wrote to memory of 3516	228	oobeldr.exe	93
PID 228 wrote to memory of 3516	228	oobeldr.exe	93
PID 3516 wrote to memory of 2192	3516	oobeldr.exe	94
PID 3516 wrote to memory of 2192	3516	oobeldr.exe	94
PID 3516 wrote to memory of 2192	3516	oobeldr.exe	94
PID 3764 wrote to memory of 4964	3764	oobeldr.exe	97
PID 3764 wrote to memory of 4964	3764	oobeldr.exe	97
PID 3764 wrote to memory of 4964	3764	oobeldr.exe	97
PID 3764 wrote to memory of 4964	3764	oobeldr.exe	97
PID 3764 wrote to memory of 4964	3764	oobeldr.exe	97
PID 3764 wrote to memory of 4964	3764	oobeldr.exe	97
PID 3764 wrote to memory of 4964	3764	oobeldr.exe	97
PID 3764 wrote to memory of 4964	3764	oobeldr.exe	97
PID 3764 wrote to memory of 4964	3764	oobeldr.exe	97

C:\Users\Admin\AppData\Local\Temp\1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe
"C:\Users\Admin\AppData\Local\Temp\1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Users\Admin\AppData\Local\Temp\1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe
  C:\Users\Admin\AppData\Local\Temp\1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe
  2⤵
  PID:960
- C:\Users\Admin\AppData\Local\Temp\1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe
  C:\Users\Admin\AppData\Local\Temp\1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5024
- - 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: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 SetThreadContext
- Suspicious use of WriteProcessMemory
PID:228
- 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:3516
- - 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:2192

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:3764
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4964

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
a71c078e06963f453d33f1a9ae73d474

SHA1
4b664963be0336a290077bce45c75c4774e0d75b

SHA256
1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2

SHA512
0e728fad1ca51fe01590fc0613ec6e9a92c78796392eaa56a7d6a7e297572f78d446ccc3033a45b67c7fac168110a854a097efcb4a9660d1c257c6ac0a1e2ca0

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

Filesize
327KB

MD5
a71c078e06963f453d33f1a9ae73d474

SHA1
4b664963be0336a290077bce45c75c4774e0d75b

SHA256
1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2

SHA512
0e728fad1ca51fe01590fc0613ec6e9a92c78796392eaa56a7d6a7e297572f78d446ccc3033a45b67c7fac168110a854a097efcb4a9660d1c257c6ac0a1e2ca0

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

Filesize
327KB

MD5
a71c078e06963f453d33f1a9ae73d474

SHA1
4b664963be0336a290077bce45c75c4774e0d75b

SHA256
1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2

SHA512
0e728fad1ca51fe01590fc0613ec6e9a92c78796392eaa56a7d6a7e297572f78d446ccc3033a45b67c7fac168110a854a097efcb4a9660d1c257c6ac0a1e2ca0

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

Filesize
327KB

MD5
a71c078e06963f453d33f1a9ae73d474

SHA1
4b664963be0336a290077bce45c75c4774e0d75b

SHA256
1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2

SHA512
0e728fad1ca51fe01590fc0613ec6e9a92c78796392eaa56a7d6a7e297572f78d446ccc3033a45b67c7fac168110a854a097efcb4a9660d1c257c6ac0a1e2ca0

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

Filesize
327KB

MD5
a71c078e06963f453d33f1a9ae73d474

SHA1
4b664963be0336a290077bce45c75c4774e0d75b

SHA256
1a82382b5828a4230848b5cea1534f3e31b0fa0ed36ec4840c3685318e397ab2

SHA512
0e728fad1ca51fe01590fc0613ec6e9a92c78796392eaa56a7d6a7e297572f78d446ccc3033a45b67c7fac168110a854a097efcb4a9660d1c257c6ac0a1e2ca0

Download Submit
memory/4540-136-0x0000000004C30000-0x0000000004C4E000-memory.dmp

Filesize
120KB

Download
memory/4540-132-0x00000000000F0000-0x0000000000146000-memory.dmp

Filesize
344KB

Download
memory/4540-135-0x0000000007390000-0x0000000007406000-memory.dmp

Filesize
472KB

Download
memory/4540-134-0x00000000070F0000-0x0000000007182000-memory.dmp

Filesize
584KB

Download
memory/4540-133-0x0000000007600000-0x0000000007BA4000-memory.dmp

Filesize
5.6MB

Download
memory/5024-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/5024-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/5024-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads