526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b

Analysis

max time kernel
122s
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
01/11/2022, 08:57

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General

Target

526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe
Size

324KB
MD5

69899508b8500dd6c76aab97655c2f75
SHA1

f282ae61541a140cfd9bfde17f7973008c6e5ac5
SHA256

526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b
SHA512

a50e7ef69abaafab3591f73e93c751a1dbb275679910143d150dc4484a149f4344e76b4f88d1884e29a7cae09d472d5efcb0a3fdb4b29bc701ecf23df3451724
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3348	oobeldr.exe
3700	oobeldr.exe
2808	oobeldr.exe
2156	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2672 set thread context of 368	2672	526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe	82
PID 3348 set thread context of 3700	3348	oobeldr.exe	94
PID 2808 set thread context of 2156	2808	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
1152	schtasks.exe
5016	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 368	2672	526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe	82
PID 2672 wrote to memory of 368	2672	526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe	82
PID 2672 wrote to memory of 368	2672	526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe	82
PID 2672 wrote to memory of 368	2672	526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe	82
PID 2672 wrote to memory of 368	2672	526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe	82
PID 2672 wrote to memory of 368	2672	526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe	82
PID 2672 wrote to memory of 368	2672	526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe	82
PID 2672 wrote to memory of 368	2672	526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe	82
PID 2672 wrote to memory of 368	2672	526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe	82
PID 368 wrote to memory of 1152	368	526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe	83
PID 368 wrote to memory of 1152	368	526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe	83
PID 368 wrote to memory of 1152	368	526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe	83
PID 3348 wrote to memory of 3700	3348	oobeldr.exe	94
PID 3348 wrote to memory of 3700	3348	oobeldr.exe	94
PID 3348 wrote to memory of 3700	3348	oobeldr.exe	94
PID 3348 wrote to memory of 3700	3348	oobeldr.exe	94
PID 3348 wrote to memory of 3700	3348	oobeldr.exe	94
PID 3348 wrote to memory of 3700	3348	oobeldr.exe	94
PID 3348 wrote to memory of 3700	3348	oobeldr.exe	94
PID 3348 wrote to memory of 3700	3348	oobeldr.exe	94
PID 3348 wrote to memory of 3700	3348	oobeldr.exe	94
PID 3700 wrote to memory of 5016	3700	oobeldr.exe	95
PID 3700 wrote to memory of 5016	3700	oobeldr.exe	95
PID 3700 wrote to memory of 5016	3700	oobeldr.exe	95
PID 2808 wrote to memory of 2156	2808	oobeldr.exe	98
PID 2808 wrote to memory of 2156	2808	oobeldr.exe	98
PID 2808 wrote to memory of 2156	2808	oobeldr.exe	98
PID 2808 wrote to memory of 2156	2808	oobeldr.exe	98
PID 2808 wrote to memory of 2156	2808	oobeldr.exe	98
PID 2808 wrote to memory of 2156	2808	oobeldr.exe	98
PID 2808 wrote to memory of 2156	2808	oobeldr.exe	98
PID 2808 wrote to memory of 2156	2808	oobeldr.exe	98
PID 2808 wrote to memory of 2156	2808	oobeldr.exe	98

C:\Users\Admin\AppData\Local\Temp\526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe
"C:\Users\Admin\AppData\Local\Temp\526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Users\Admin\AppData\Local\Temp\526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe
  C:\Users\Admin\AppData\Local\Temp\526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:368
- - 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:1152

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:3348
- 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:3700
- - 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:5016

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:2808
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2156

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

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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
69899508b8500dd6c76aab97655c2f75

SHA1
f282ae61541a140cfd9bfde17f7973008c6e5ac5

SHA256
526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b

SHA512
a50e7ef69abaafab3591f73e93c751a1dbb275679910143d150dc4484a149f4344e76b4f88d1884e29a7cae09d472d5efcb0a3fdb4b29bc701ecf23df3451724

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

Filesize
324KB

MD5
69899508b8500dd6c76aab97655c2f75

SHA1
f282ae61541a140cfd9bfde17f7973008c6e5ac5

SHA256
526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b

SHA512
a50e7ef69abaafab3591f73e93c751a1dbb275679910143d150dc4484a149f4344e76b4f88d1884e29a7cae09d472d5efcb0a3fdb4b29bc701ecf23df3451724

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

Filesize
324KB

MD5
69899508b8500dd6c76aab97655c2f75

SHA1
f282ae61541a140cfd9bfde17f7973008c6e5ac5

SHA256
526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b

SHA512
a50e7ef69abaafab3591f73e93c751a1dbb275679910143d150dc4484a149f4344e76b4f88d1884e29a7cae09d472d5efcb0a3fdb4b29bc701ecf23df3451724

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

Filesize
324KB

MD5
69899508b8500dd6c76aab97655c2f75

SHA1
f282ae61541a140cfd9bfde17f7973008c6e5ac5

SHA256
526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b

SHA512
a50e7ef69abaafab3591f73e93c751a1dbb275679910143d150dc4484a149f4344e76b4f88d1884e29a7cae09d472d5efcb0a3fdb4b29bc701ecf23df3451724

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

Filesize
324KB

MD5
69899508b8500dd6c76aab97655c2f75

SHA1
f282ae61541a140cfd9bfde17f7973008c6e5ac5

SHA256
526354a7dee9fb6fe23aa7c2ed3b4f255f2e8643f60b1692487e90d92e2ad18b

SHA512
a50e7ef69abaafab3591f73e93c751a1dbb275679910143d150dc4484a149f4344e76b4f88d1884e29a7cae09d472d5efcb0a3fdb4b29bc701ecf23df3451724

Download Submit
memory/368-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/368-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/368-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2672-136-0x0000000007390000-0x00000000073AE000-memory.dmp

Filesize
120KB

Download
memory/2672-132-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2672-135-0x00000000076B0000-0x0000000007726000-memory.dmp

Filesize
472KB

Download
memory/2672-134-0x0000000007410000-0x00000000074A2000-memory.dmp

Filesize
584KB

Download
memory/2672-133-0x0000000007920000-0x0000000007EC4000-memory.dmp

Filesize
5.6MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads