1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2022, 11:04

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General

Target

1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe
Size

324KB
MD5

11571a865090e0eee60cf43b1384efb3
SHA1

f018dc5e3c2a07f19d16120934ee8ca7bc8a0389
SHA256

1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610
SHA512

0559a93dbf17d372e38b3712693f3230351d127e4b20caf6a61896d78a95d6dccc787ac24e15d35025c209fa87a065fef0016a5dea120bbed7fbcfd2484db8c3
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 7 IoCs

pid	Process
204	oobeldr.exe
4536	oobeldr.exe
3744	oobeldr.exe
2404	oobeldr.exe
1604	oobeldr.exe
676	oobeldr.exe
1840	oobeldr.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1652 set thread context of 4864	1652	1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe	80
PID 204 set thread context of 3744	204	oobeldr.exe	91
PID 2404 set thread context of 1604	2404	oobeldr.exe	96
PID 676 set thread context of 1840	676	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
1280	schtasks.exe
4572	schtasks.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 4864	1652	1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe	80
PID 1652 wrote to memory of 4864	1652	1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe	80
PID 1652 wrote to memory of 4864	1652	1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe	80
PID 1652 wrote to memory of 4864	1652	1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe	80
PID 1652 wrote to memory of 4864	1652	1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe	80
PID 1652 wrote to memory of 4864	1652	1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe	80
PID 1652 wrote to memory of 4864	1652	1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe	80
PID 1652 wrote to memory of 4864	1652	1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe	80
PID 1652 wrote to memory of 4864	1652	1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe	80
PID 4864 wrote to memory of 1280	4864	1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe	84
PID 4864 wrote to memory of 1280	4864	1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe	84
PID 4864 wrote to memory of 1280	4864	1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe	84
PID 204 wrote to memory of 4536	204	oobeldr.exe	90
PID 204 wrote to memory of 4536	204	oobeldr.exe	90
PID 204 wrote to memory of 4536	204	oobeldr.exe	90
PID 204 wrote to memory of 3744	204	oobeldr.exe	91
PID 204 wrote to memory of 3744	204	oobeldr.exe	91
PID 204 wrote to memory of 3744	204	oobeldr.exe	91
PID 204 wrote to memory of 3744	204	oobeldr.exe	91
PID 204 wrote to memory of 3744	204	oobeldr.exe	91
PID 204 wrote to memory of 3744	204	oobeldr.exe	91
PID 204 wrote to memory of 3744	204	oobeldr.exe	91
PID 204 wrote to memory of 3744	204	oobeldr.exe	91
PID 204 wrote to memory of 3744	204	oobeldr.exe	91
PID 3744 wrote to memory of 4572	3744	oobeldr.exe	93
PID 3744 wrote to memory of 4572	3744	oobeldr.exe	93
PID 3744 wrote to memory of 4572	3744	oobeldr.exe	93
PID 2404 wrote to memory of 1604	2404	oobeldr.exe	96
PID 2404 wrote to memory of 1604	2404	oobeldr.exe	96
PID 2404 wrote to memory of 1604	2404	oobeldr.exe	96
PID 2404 wrote to memory of 1604	2404	oobeldr.exe	96
PID 2404 wrote to memory of 1604	2404	oobeldr.exe	96
PID 2404 wrote to memory of 1604	2404	oobeldr.exe	96
PID 2404 wrote to memory of 1604	2404	oobeldr.exe	96
PID 2404 wrote to memory of 1604	2404	oobeldr.exe	96
PID 2404 wrote to memory of 1604	2404	oobeldr.exe	96
PID 676 wrote to memory of 1840	676	oobeldr.exe	98
PID 676 wrote to memory of 1840	676	oobeldr.exe	98
PID 676 wrote to memory of 1840	676	oobeldr.exe	98
PID 676 wrote to memory of 1840	676	oobeldr.exe	98
PID 676 wrote to memory of 1840	676	oobeldr.exe	98
PID 676 wrote to memory of 1840	676	oobeldr.exe	98
PID 676 wrote to memory of 1840	676	oobeldr.exe	98
PID 676 wrote to memory of 1840	676	oobeldr.exe	98
PID 676 wrote to memory of 1840	676	oobeldr.exe	98

C:\Users\Admin\AppData\Local\Temp\1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe
"C:\Users\Admin\AppData\Local\Temp\1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Users\Admin\AppData\Local\Temp\1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe
  C:\Users\Admin\AppData\Local\Temp\1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4864
- - 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:1280

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:204
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4536
- 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:3744
- - 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:4572

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:2404
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1604

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:676
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1840

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
324KB

MD5
11571a865090e0eee60cf43b1384efb3

SHA1
f018dc5e3c2a07f19d16120934ee8ca7bc8a0389

SHA256
1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610

SHA512
0559a93dbf17d372e38b3712693f3230351d127e4b20caf6a61896d78a95d6dccc787ac24e15d35025c209fa87a065fef0016a5dea120bbed7fbcfd2484db8c3

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

Filesize
324KB

MD5
11571a865090e0eee60cf43b1384efb3

SHA1
f018dc5e3c2a07f19d16120934ee8ca7bc8a0389

SHA256
1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610

SHA512
0559a93dbf17d372e38b3712693f3230351d127e4b20caf6a61896d78a95d6dccc787ac24e15d35025c209fa87a065fef0016a5dea120bbed7fbcfd2484db8c3

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

Filesize
324KB

MD5
11571a865090e0eee60cf43b1384efb3

SHA1
f018dc5e3c2a07f19d16120934ee8ca7bc8a0389

SHA256
1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610

SHA512
0559a93dbf17d372e38b3712693f3230351d127e4b20caf6a61896d78a95d6dccc787ac24e15d35025c209fa87a065fef0016a5dea120bbed7fbcfd2484db8c3

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

Filesize
324KB

MD5
11571a865090e0eee60cf43b1384efb3

SHA1
f018dc5e3c2a07f19d16120934ee8ca7bc8a0389

SHA256
1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610

SHA512
0559a93dbf17d372e38b3712693f3230351d127e4b20caf6a61896d78a95d6dccc787ac24e15d35025c209fa87a065fef0016a5dea120bbed7fbcfd2484db8c3

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

Filesize
324KB

MD5
11571a865090e0eee60cf43b1384efb3

SHA1
f018dc5e3c2a07f19d16120934ee8ca7bc8a0389

SHA256
1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610

SHA512
0559a93dbf17d372e38b3712693f3230351d127e4b20caf6a61896d78a95d6dccc787ac24e15d35025c209fa87a065fef0016a5dea120bbed7fbcfd2484db8c3

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

Filesize
324KB

MD5
11571a865090e0eee60cf43b1384efb3

SHA1
f018dc5e3c2a07f19d16120934ee8ca7bc8a0389

SHA256
1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610

SHA512
0559a93dbf17d372e38b3712693f3230351d127e4b20caf6a61896d78a95d6dccc787ac24e15d35025c209fa87a065fef0016a5dea120bbed7fbcfd2484db8c3

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

Filesize
324KB

MD5
11571a865090e0eee60cf43b1384efb3

SHA1
f018dc5e3c2a07f19d16120934ee8ca7bc8a0389

SHA256
1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610

SHA512
0559a93dbf17d372e38b3712693f3230351d127e4b20caf6a61896d78a95d6dccc787ac24e15d35025c209fa87a065fef0016a5dea120bbed7fbcfd2484db8c3

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

Filesize
324KB

MD5
11571a865090e0eee60cf43b1384efb3

SHA1
f018dc5e3c2a07f19d16120934ee8ca7bc8a0389

SHA256
1b84474dd620468989a9b1da94dd3ede23294928ff3a4a1895efdbbb3b6c9610

SHA512
0559a93dbf17d372e38b3712693f3230351d127e4b20caf6a61896d78a95d6dccc787ac24e15d35025c209fa87a065fef0016a5dea120bbed7fbcfd2484db8c3

Download Submit
memory/1652-136-0x0000000007770000-0x000000000778E000-memory.dmp

Filesize
120KB

Download
memory/1652-135-0x0000000007A50000-0x0000000007AC6000-memory.dmp

Filesize
472KB

Download
memory/1652-132-0x00000000007E0000-0x0000000000836000-memory.dmp

Filesize
344KB

Download
memory/1652-134-0x00000000077B0000-0x0000000007842000-memory.dmp

Filesize
584KB

Download
memory/1652-133-0x0000000007C80000-0x0000000008224000-memory.dmp

Filesize
5.6MB

Download
memory/4864-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4864-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4864-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads