90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29

Analysis

max time kernel
145s
max time network
149s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
01/11/2022, 16:13

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General

Target

90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe
Size

325KB
MD5

f68847c30eb70c0535825685fa871ff7
SHA1

c613bf4d41baff8126027213ce2a94360d757b02
SHA256

90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29
SHA512

3e90749d9e977034ef2d2744cf341fb02bfccaf953ff800aa808d90e13a813adeb0fc9cc495fe06228efa4db3a9c050fc0dd769732bfbfc2d32357c4ca8bca0d
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 7 IoCs

pid	Process
3548	oobeldr.exe
2732	oobeldr.exe
3492	oobeldr.exe
4368	oobeldr.exe
4348	oobeldr.exe
4516	oobeldr.exe
2908	oobeldr.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4696 set thread context of 4832	4696	90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe	66
PID 3548 set thread context of 3492	3548	oobeldr.exe	71
PID 4368 set thread context of 4348	4368	oobeldr.exe	75
PID 4516 set thread context of 2908	4516	oobeldr.exe	77

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
4212	schtasks.exe
3652	schtasks.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 4832	4696	90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe	66
PID 4696 wrote to memory of 4832	4696	90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe	66
PID 4696 wrote to memory of 4832	4696	90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe	66
PID 4696 wrote to memory of 4832	4696	90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe	66
PID 4696 wrote to memory of 4832	4696	90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe	66
PID 4696 wrote to memory of 4832	4696	90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe	66
PID 4696 wrote to memory of 4832	4696	90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe	66
PID 4696 wrote to memory of 4832	4696	90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe	66
PID 4696 wrote to memory of 4832	4696	90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe	66
PID 4832 wrote to memory of 4212	4832	90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe	67
PID 4832 wrote to memory of 4212	4832	90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe	67
PID 4832 wrote to memory of 4212	4832	90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe	67
PID 3548 wrote to memory of 2732	3548	oobeldr.exe	70
PID 3548 wrote to memory of 2732	3548	oobeldr.exe	70
PID 3548 wrote to memory of 2732	3548	oobeldr.exe	70
PID 3548 wrote to memory of 3492	3548	oobeldr.exe	71
PID 3548 wrote to memory of 3492	3548	oobeldr.exe	71
PID 3548 wrote to memory of 3492	3548	oobeldr.exe	71
PID 3548 wrote to memory of 3492	3548	oobeldr.exe	71
PID 3548 wrote to memory of 3492	3548	oobeldr.exe	71
PID 3548 wrote to memory of 3492	3548	oobeldr.exe	71
PID 3548 wrote to memory of 3492	3548	oobeldr.exe	71
PID 3548 wrote to memory of 3492	3548	oobeldr.exe	71
PID 3548 wrote to memory of 3492	3548	oobeldr.exe	71
PID 3492 wrote to memory of 3652	3492	oobeldr.exe	72
PID 3492 wrote to memory of 3652	3492	oobeldr.exe	72
PID 3492 wrote to memory of 3652	3492	oobeldr.exe	72
PID 4368 wrote to memory of 4348	4368	oobeldr.exe	75
PID 4368 wrote to memory of 4348	4368	oobeldr.exe	75
PID 4368 wrote to memory of 4348	4368	oobeldr.exe	75
PID 4368 wrote to memory of 4348	4368	oobeldr.exe	75
PID 4368 wrote to memory of 4348	4368	oobeldr.exe	75
PID 4368 wrote to memory of 4348	4368	oobeldr.exe	75
PID 4368 wrote to memory of 4348	4368	oobeldr.exe	75
PID 4368 wrote to memory of 4348	4368	oobeldr.exe	75
PID 4368 wrote to memory of 4348	4368	oobeldr.exe	75
PID 4516 wrote to memory of 2908	4516	oobeldr.exe	77
PID 4516 wrote to memory of 2908	4516	oobeldr.exe	77
PID 4516 wrote to memory of 2908	4516	oobeldr.exe	77
PID 4516 wrote to memory of 2908	4516	oobeldr.exe	77
PID 4516 wrote to memory of 2908	4516	oobeldr.exe	77
PID 4516 wrote to memory of 2908	4516	oobeldr.exe	77
PID 4516 wrote to memory of 2908	4516	oobeldr.exe	77
PID 4516 wrote to memory of 2908	4516	oobeldr.exe	77
PID 4516 wrote to memory of 2908	4516	oobeldr.exe	77

C:\Users\Admin\AppData\Local\Temp\90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe
"C:\Users\Admin\AppData\Local\Temp\90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4696
- C:\Users\Admin\AppData\Local\Temp\90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe
  C:\Users\Admin\AppData\Local\Temp\90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4832
- - 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:4212

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:3548
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2732
- 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:3492
- - 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:3652

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:4368
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4348

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:4516
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2908

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
db5ef8d7c51bad129d9097bf953e4913

SHA1
8439db960aa2d431bf5ec3c37af775b45eb07e06

SHA256
1248e67f10b47b397af3c8cbe342bad4be75c68b8e10f4ec6341195cc3138bd9

SHA512
04572485790b25e1751347e43b47174051cd153dd75fd55ee5590d25a2579f344cd96cf86cf45bdb7759e3e6d0f734d0ff717148ca70f501b9869e964e036fee

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

Filesize
325KB

MD5
f68847c30eb70c0535825685fa871ff7

SHA1
c613bf4d41baff8126027213ce2a94360d757b02

SHA256
90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29

SHA512
3e90749d9e977034ef2d2744cf341fb02bfccaf953ff800aa808d90e13a813adeb0fc9cc495fe06228efa4db3a9c050fc0dd769732bfbfc2d32357c4ca8bca0d

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

Filesize
325KB

MD5
f68847c30eb70c0535825685fa871ff7

SHA1
c613bf4d41baff8126027213ce2a94360d757b02

SHA256
90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29

SHA512
3e90749d9e977034ef2d2744cf341fb02bfccaf953ff800aa808d90e13a813adeb0fc9cc495fe06228efa4db3a9c050fc0dd769732bfbfc2d32357c4ca8bca0d

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

Filesize
325KB

MD5
f68847c30eb70c0535825685fa871ff7

SHA1
c613bf4d41baff8126027213ce2a94360d757b02

SHA256
90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29

SHA512
3e90749d9e977034ef2d2744cf341fb02bfccaf953ff800aa808d90e13a813adeb0fc9cc495fe06228efa4db3a9c050fc0dd769732bfbfc2d32357c4ca8bca0d

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

Filesize
325KB

MD5
f68847c30eb70c0535825685fa871ff7

SHA1
c613bf4d41baff8126027213ce2a94360d757b02

SHA256
90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29

SHA512
3e90749d9e977034ef2d2744cf341fb02bfccaf953ff800aa808d90e13a813adeb0fc9cc495fe06228efa4db3a9c050fc0dd769732bfbfc2d32357c4ca8bca0d

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

Filesize
325KB

MD5
f68847c30eb70c0535825685fa871ff7

SHA1
c613bf4d41baff8126027213ce2a94360d757b02

SHA256
90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29

SHA512
3e90749d9e977034ef2d2744cf341fb02bfccaf953ff800aa808d90e13a813adeb0fc9cc495fe06228efa4db3a9c050fc0dd769732bfbfc2d32357c4ca8bca0d

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

Filesize
325KB

MD5
f68847c30eb70c0535825685fa871ff7

SHA1
c613bf4d41baff8126027213ce2a94360d757b02

SHA256
90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29

SHA512
3e90749d9e977034ef2d2744cf341fb02bfccaf953ff800aa808d90e13a813adeb0fc9cc495fe06228efa4db3a9c050fc0dd769732bfbfc2d32357c4ca8bca0d

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

Filesize
325KB

MD5
f68847c30eb70c0535825685fa871ff7

SHA1
c613bf4d41baff8126027213ce2a94360d757b02

SHA256
90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29

SHA512
3e90749d9e977034ef2d2744cf341fb02bfccaf953ff800aa808d90e13a813adeb0fc9cc495fe06228efa4db3a9c050fc0dd769732bfbfc2d32357c4ca8bca0d

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

Filesize
325KB

MD5
f68847c30eb70c0535825685fa871ff7

SHA1
c613bf4d41baff8126027213ce2a94360d757b02

SHA256
90b05a06211302b267be3074354d31c40f20cf43031e60b6a6957553658f7e29

SHA512
3e90749d9e977034ef2d2744cf341fb02bfccaf953ff800aa808d90e13a813adeb0fc9cc495fe06228efa4db3a9c050fc0dd769732bfbfc2d32357c4ca8bca0d

Download Submit
memory/4696-161-0x0000000007FE0000-0x00000000084DE000-memory.dmp

Filesize
5.0MB

Download
memory/4696-168-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-135-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-136-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-137-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-138-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-139-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-140-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-141-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-142-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-143-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-144-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-145-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-146-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-147-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-148-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-149-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-150-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-151-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-152-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-153-0x0000000000C90000-0x0000000000CE6000-memory.dmp

Filesize
344KB

Download
memory/4696-154-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-155-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-156-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-157-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-158-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-159-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-160-0x0000000007A10000-0x0000000007ADC000-memory.dmp

Filesize
816KB

Download
memory/4696-119-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-162-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-163-0x0000000007B80000-0x0000000007C12000-memory.dmp

Filesize
584KB

Download
memory/4696-164-0x0000000001750000-0x0000000001756000-memory.dmp

Filesize
24KB

Download
memory/4696-165-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-166-0x0000000007E20000-0x0000000007E96000-memory.dmp

Filesize
472KB

Download
memory/4696-167-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-134-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-169-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-170-0x0000000005770000-0x000000000578E000-memory.dmp

Filesize
120KB

Download
memory/4696-171-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-172-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-173-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-174-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-175-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-176-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-120-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-121-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-122-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-123-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-124-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-183-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-125-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-126-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-128-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-129-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-130-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-131-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-132-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-127-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4696-133-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4832-186-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4832-190-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4832-189-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4832-188-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4832-181-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4832-187-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4832-231-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4832-185-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4832-182-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4832-180-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4832-179-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4832-177-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads