4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d

Analysis

max time kernel
129s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
02/11/2022, 02:07 UTC

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General

Target

4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe
Size

326KB
MD5

85c55761e1d9ed33a80ef75c2fb710e5
SHA1

3a5e8eff83d7ba063b9157e0f969acab4525909c
SHA256

4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d
SHA512

a8d1541387c395bd99bf68f45c968fbc80613e77951497d8c9c42149304178cc92eb287401e59aeb4964567b3e8f48b3f697633f1896a8060417a7072bb29b16
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3996	oobeldr.exe
3980	oobeldr.exe
3144	oobeldr.exe
756	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3828 set thread context of 4128	3828	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	67
PID 3996 set thread context of 3980	3996	oobeldr.exe	71
PID 3144 set thread context of 756	3144	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
2836	schtasks.exe
4620	schtasks.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 3908	3828	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	66
PID 3828 wrote to memory of 3908	3828	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	66
PID 3828 wrote to memory of 3908	3828	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	66
PID 3828 wrote to memory of 4128	3828	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	67
PID 3828 wrote to memory of 4128	3828	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	67
PID 3828 wrote to memory of 4128	3828	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	67
PID 3828 wrote to memory of 4128	3828	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	67
PID 3828 wrote to memory of 4128	3828	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	67
PID 3828 wrote to memory of 4128	3828	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	67
PID 3828 wrote to memory of 4128	3828	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	67
PID 3828 wrote to memory of 4128	3828	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	67
PID 3828 wrote to memory of 4128	3828	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	67
PID 4128 wrote to memory of 2836	4128	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	69
PID 4128 wrote to memory of 2836	4128	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	69
PID 4128 wrote to memory of 2836	4128	4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe	69
PID 3996 wrote to memory of 3980	3996	oobeldr.exe	71
PID 3996 wrote to memory of 3980	3996	oobeldr.exe	71
PID 3996 wrote to memory of 3980	3996	oobeldr.exe	71
PID 3996 wrote to memory of 3980	3996	oobeldr.exe	71
PID 3996 wrote to memory of 3980	3996	oobeldr.exe	71
PID 3996 wrote to memory of 3980	3996	oobeldr.exe	71
PID 3996 wrote to memory of 3980	3996	oobeldr.exe	71
PID 3996 wrote to memory of 3980	3996	oobeldr.exe	71
PID 3996 wrote to memory of 3980	3996	oobeldr.exe	71
PID 3980 wrote to memory of 4620	3980	oobeldr.exe	72
PID 3980 wrote to memory of 4620	3980	oobeldr.exe	72
PID 3980 wrote to memory of 4620	3980	oobeldr.exe	72
PID 3144 wrote to memory of 756	3144	oobeldr.exe	75
PID 3144 wrote to memory of 756	3144	oobeldr.exe	75
PID 3144 wrote to memory of 756	3144	oobeldr.exe	75
PID 3144 wrote to memory of 756	3144	oobeldr.exe	75
PID 3144 wrote to memory of 756	3144	oobeldr.exe	75
PID 3144 wrote to memory of 756	3144	oobeldr.exe	75
PID 3144 wrote to memory of 756	3144	oobeldr.exe	75
PID 3144 wrote to memory of 756	3144	oobeldr.exe	75
PID 3144 wrote to memory of 756	3144	oobeldr.exe	75

C:\Users\Admin\AppData\Local\Temp\4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe
"C:\Users\Admin\AppData\Local\Temp\4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3828
- C:\Users\Admin\AppData\Local\Temp\4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe
  C:\Users\Admin\AppData\Local\Temp\4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe
  2⤵
  PID:3908
- C:\Users\Admin\AppData\Local\Temp\4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe
  C:\Users\Admin\AppData\Local\Temp\4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4128
- - 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:2836

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:3996
- 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:3980
- - 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:4620

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:3144
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:756

Network

No results found

20.42.65.85:443

322 B
7

No results found

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
326KB

MD5
85c55761e1d9ed33a80ef75c2fb710e5

SHA1
3a5e8eff83d7ba063b9157e0f969acab4525909c

SHA256
4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d

SHA512
a8d1541387c395bd99bf68f45c968fbc80613e77951497d8c9c42149304178cc92eb287401e59aeb4964567b3e8f48b3f697633f1896a8060417a7072bb29b16

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

Filesize
326KB

MD5
85c55761e1d9ed33a80ef75c2fb710e5

SHA1
3a5e8eff83d7ba063b9157e0f969acab4525909c

SHA256
4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d

SHA512
a8d1541387c395bd99bf68f45c968fbc80613e77951497d8c9c42149304178cc92eb287401e59aeb4964567b3e8f48b3f697633f1896a8060417a7072bb29b16

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

Filesize
326KB

MD5
85c55761e1d9ed33a80ef75c2fb710e5

SHA1
3a5e8eff83d7ba063b9157e0f969acab4525909c

SHA256
4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d

SHA512
a8d1541387c395bd99bf68f45c968fbc80613e77951497d8c9c42149304178cc92eb287401e59aeb4964567b3e8f48b3f697633f1896a8060417a7072bb29b16

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

Filesize
326KB

MD5
85c55761e1d9ed33a80ef75c2fb710e5

SHA1
3a5e8eff83d7ba063b9157e0f969acab4525909c

SHA256
4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d

SHA512
a8d1541387c395bd99bf68f45c968fbc80613e77951497d8c9c42149304178cc92eb287401e59aeb4964567b3e8f48b3f697633f1896a8060417a7072bb29b16

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

Filesize
326KB

MD5
85c55761e1d9ed33a80ef75c2fb710e5

SHA1
3a5e8eff83d7ba063b9157e0f969acab4525909c

SHA256
4ea1dca8c3fa1539b63e92515f84b3341493ae47906c5b8485ea8f57c1a3062d

SHA512
a8d1541387c395bd99bf68f45c968fbc80613e77951497d8c9c42149304178cc92eb287401e59aeb4964567b3e8f48b3f697633f1896a8060417a7072bb29b16

Download Submit
memory/3828-152-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-166-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-122-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-123-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-124-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-125-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-126-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-127-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-128-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-129-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-156-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-131-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-132-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-134-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-137-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-139-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-138-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-136-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-135-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-140-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-133-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-141-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-143-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-142-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-145-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-144-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-146-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-147-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-148-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-149-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-151-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-150-0x0000000000430000-0x0000000000486000-memory.dmp

Filesize
344KB

Download
memory/3828-119-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-153-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-158-0x00000000077F0000-0x0000000007CEE000-memory.dmp

Filesize
5.0MB

Download
memory/3828-154-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-130-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-121-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-155-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-159-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-160-0x00000000072F0000-0x0000000007382000-memory.dmp

Filesize
584KB

Download
memory/3828-161-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3828-162-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-163-0x0000000007590000-0x0000000007606000-memory.dmp

Filesize
472KB

Download
memory/3828-164-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-165-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-157-0x0000000007220000-0x00000000072EC000-memory.dmp

Filesize
816KB

Download
memory/3828-167-0x0000000004F20000-0x0000000004F3E000-memory.dmp

Filesize
120KB

Download
memory/3828-168-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-170-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-171-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-169-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-172-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-173-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-179-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-116-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-117-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-118-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-120-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/4128-187-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/4128-180-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/4128-183-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/4128-184-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/4128-178-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/4128-185-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/4128-186-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/4128-182-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/4128-228-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4128-174-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4128-177-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/4128-176-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads

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