71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f

Analysis

max time kernel
117s
max time network
73s
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, 05:26

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General

Target

71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe
Size

323KB
MD5

caf8bbba8521bf99d5f1cbcdd2f9d84d
SHA1

f90407be8584226836c3d1491a62e1f2088890ae
SHA256

71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f
SHA512

77424e7b0ce64a3297334aabbcfe6f6cf306ee5f185a6a7fe8724e1eba505a53d43c3fe9862abe299fec741a0c93ca2bba87e6d6dec11dfab4f04adef2a82b13
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 5 IoCs

pid	Process
4968	oobeldr.exe
4912	oobeldr.exe
688	oobeldr.exe
4580	oobeldr.exe
1740	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3972 set thread context of 3300	3972	71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe	66
PID 4968 set thread context of 688	4968	oobeldr.exe	71
PID 4580 set thread context of 1740	4580	oobeldr.exe	75

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
4292	schtasks.exe
5036	schtasks.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 3300	3972	71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe	66
PID 3972 wrote to memory of 3300	3972	71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe	66
PID 3972 wrote to memory of 3300	3972	71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe	66
PID 3972 wrote to memory of 3300	3972	71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe	66
PID 3972 wrote to memory of 3300	3972	71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe	66
PID 3972 wrote to memory of 3300	3972	71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe	66
PID 3972 wrote to memory of 3300	3972	71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe	66
PID 3972 wrote to memory of 3300	3972	71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe	66
PID 3972 wrote to memory of 3300	3972	71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe	66
PID 3300 wrote to memory of 4292	3300	71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe	67
PID 3300 wrote to memory of 4292	3300	71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe	67
PID 3300 wrote to memory of 4292	3300	71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe	67
PID 4968 wrote to memory of 4912	4968	oobeldr.exe	70
PID 4968 wrote to memory of 4912	4968	oobeldr.exe	70
PID 4968 wrote to memory of 4912	4968	oobeldr.exe	70
PID 4968 wrote to memory of 688	4968	oobeldr.exe	71
PID 4968 wrote to memory of 688	4968	oobeldr.exe	71
PID 4968 wrote to memory of 688	4968	oobeldr.exe	71
PID 4968 wrote to memory of 688	4968	oobeldr.exe	71
PID 4968 wrote to memory of 688	4968	oobeldr.exe	71
PID 4968 wrote to memory of 688	4968	oobeldr.exe	71
PID 4968 wrote to memory of 688	4968	oobeldr.exe	71
PID 4968 wrote to memory of 688	4968	oobeldr.exe	71
PID 4968 wrote to memory of 688	4968	oobeldr.exe	71
PID 688 wrote to memory of 5036	688	oobeldr.exe	72
PID 688 wrote to memory of 5036	688	oobeldr.exe	72
PID 688 wrote to memory of 5036	688	oobeldr.exe	72
PID 4580 wrote to memory of 1740	4580	oobeldr.exe	75
PID 4580 wrote to memory of 1740	4580	oobeldr.exe	75
PID 4580 wrote to memory of 1740	4580	oobeldr.exe	75
PID 4580 wrote to memory of 1740	4580	oobeldr.exe	75
PID 4580 wrote to memory of 1740	4580	oobeldr.exe	75
PID 4580 wrote to memory of 1740	4580	oobeldr.exe	75
PID 4580 wrote to memory of 1740	4580	oobeldr.exe	75
PID 4580 wrote to memory of 1740	4580	oobeldr.exe	75
PID 4580 wrote to memory of 1740	4580	oobeldr.exe	75

C:\Users\Admin\AppData\Local\Temp\71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe
"C:\Users\Admin\AppData\Local\Temp\71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3972
- C:\Users\Admin\AppData\Local\Temp\71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe
  C:\Users\Admin\AppData\Local\Temp\71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3300
- - 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:4292

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:4968
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4912
- 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:688
- - 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:5036

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:4580
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1740

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
323KB

MD5
caf8bbba8521bf99d5f1cbcdd2f9d84d

SHA1
f90407be8584226836c3d1491a62e1f2088890ae

SHA256
71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f

SHA512
77424e7b0ce64a3297334aabbcfe6f6cf306ee5f185a6a7fe8724e1eba505a53d43c3fe9862abe299fec741a0c93ca2bba87e6d6dec11dfab4f04adef2a82b13

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

Filesize
323KB

MD5
caf8bbba8521bf99d5f1cbcdd2f9d84d

SHA1
f90407be8584226836c3d1491a62e1f2088890ae

SHA256
71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f

SHA512
77424e7b0ce64a3297334aabbcfe6f6cf306ee5f185a6a7fe8724e1eba505a53d43c3fe9862abe299fec741a0c93ca2bba87e6d6dec11dfab4f04adef2a82b13

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

Filesize
323KB

MD5
caf8bbba8521bf99d5f1cbcdd2f9d84d

SHA1
f90407be8584226836c3d1491a62e1f2088890ae

SHA256
71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f

SHA512
77424e7b0ce64a3297334aabbcfe6f6cf306ee5f185a6a7fe8724e1eba505a53d43c3fe9862abe299fec741a0c93ca2bba87e6d6dec11dfab4f04adef2a82b13

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

Filesize
323KB

MD5
caf8bbba8521bf99d5f1cbcdd2f9d84d

SHA1
f90407be8584226836c3d1491a62e1f2088890ae

SHA256
71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f

SHA512
77424e7b0ce64a3297334aabbcfe6f6cf306ee5f185a6a7fe8724e1eba505a53d43c3fe9862abe299fec741a0c93ca2bba87e6d6dec11dfab4f04adef2a82b13

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

Filesize
323KB

MD5
caf8bbba8521bf99d5f1cbcdd2f9d84d

SHA1
f90407be8584226836c3d1491a62e1f2088890ae

SHA256
71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f

SHA512
77424e7b0ce64a3297334aabbcfe6f6cf306ee5f185a6a7fe8724e1eba505a53d43c3fe9862abe299fec741a0c93ca2bba87e6d6dec11dfab4f04adef2a82b13

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

Filesize
323KB

MD5
caf8bbba8521bf99d5f1cbcdd2f9d84d

SHA1
f90407be8584226836c3d1491a62e1f2088890ae

SHA256
71dc0ef5e84e84c1a1c93d191513c5a50cdfd5da4aa2e6e92a04ed1044f63c1f

SHA512
77424e7b0ce64a3297334aabbcfe6f6cf306ee5f185a6a7fe8724e1eba505a53d43c3fe9862abe299fec741a0c93ca2bba87e6d6dec11dfab4f04adef2a82b13

Download Submit
memory/3300-228-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3300-187-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3300-186-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3300-185-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3300-183-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3300-184-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3300-181-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3300-179-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3300-178-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3300-177-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3300-176-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3300-174-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3972-136-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-169-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-140-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-141-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-143-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-142-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-144-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-145-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-146-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-147-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-148-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-149-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-150-0x0000000000F30000-0x0000000000F86000-memory.dmp

Filesize
344KB

Download
memory/3972-152-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-151-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-153-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-154-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-155-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-156-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-157-0x0000000007BC0000-0x0000000007C8C000-memory.dmp

Filesize
816KB

Download
memory/3972-158-0x0000000008190000-0x000000000868E000-memory.dmp

Filesize
5.0MB

Download
memory/3972-159-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-160-0x0000000007D70000-0x0000000007E02000-memory.dmp

Filesize
584KB

Download
memory/3972-161-0x0000000007CF0000-0x0000000007CF6000-memory.dmp

Filesize
24KB

Download
memory/3972-162-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-163-0x0000000008090000-0x0000000008106000-memory.dmp

Filesize
472KB

Download
memory/3972-164-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-165-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-166-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-167-0x0000000007D40000-0x0000000007D5E000-memory.dmp

Filesize
120KB

Download
memory/3972-168-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-139-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-170-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-171-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-172-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-173-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-138-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-137-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-116-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-135-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-134-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-133-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-132-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-131-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-129-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-182-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-130-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-128-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-127-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-117-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-126-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-125-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-124-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-123-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-122-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-121-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-119-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-120-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/3972-118-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads