8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334

Analysis

max time kernel
139s
max time network
141s
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, 22:45

Sharing

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General

Target

8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe
Size

327KB
MD5

768d5bcd030d308f6df4675fdc220ac0
SHA1

d360adaf5464726ea49a2ddb70c13d4dceebc040
SHA256

8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334
SHA512

81ae1940cd72f7f63fd19668dd9195bc4585e5f6290d6f439e0a4fa862e8a0c11b9a631acae6cc54cbbd58b36e8d3b19fab575d340f551c05a3b91c2b1d09e8c
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 7 IoCs

pid	Process
4900	oobeldr.exe
4720	oobeldr.exe
4740	oobeldr.exe
492	oobeldr.exe
1616	oobeldr.exe
1496	oobeldr.exe
1452	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3844 set thread context of 3984	3844	8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe	66
PID 4900 set thread context of 4740	4900	oobeldr.exe	71
PID 492 set thread context of 1452	492	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
2672	schtasks.exe
4608	schtasks.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 3844 wrote to memory of 3984	3844	8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe	66
PID 3844 wrote to memory of 3984	3844	8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe	66
PID 3844 wrote to memory of 3984	3844	8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe	66
PID 3844 wrote to memory of 3984	3844	8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe	66
PID 3844 wrote to memory of 3984	3844	8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe	66
PID 3844 wrote to memory of 3984	3844	8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe	66
PID 3844 wrote to memory of 3984	3844	8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe	66
PID 3844 wrote to memory of 3984	3844	8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe	66
PID 3844 wrote to memory of 3984	3844	8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe	66
PID 3984 wrote to memory of 2672	3984	8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe	67
PID 3984 wrote to memory of 2672	3984	8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe	67
PID 3984 wrote to memory of 2672	3984	8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe	67
PID 4900 wrote to memory of 4720	4900	oobeldr.exe	70
PID 4900 wrote to memory of 4720	4900	oobeldr.exe	70
PID 4900 wrote to memory of 4720	4900	oobeldr.exe	70
PID 4900 wrote to memory of 4740	4900	oobeldr.exe	71
PID 4900 wrote to memory of 4740	4900	oobeldr.exe	71
PID 4900 wrote to memory of 4740	4900	oobeldr.exe	71
PID 4900 wrote to memory of 4740	4900	oobeldr.exe	71
PID 4900 wrote to memory of 4740	4900	oobeldr.exe	71
PID 4900 wrote to memory of 4740	4900	oobeldr.exe	71
PID 4900 wrote to memory of 4740	4900	oobeldr.exe	71
PID 4900 wrote to memory of 4740	4900	oobeldr.exe	71
PID 4900 wrote to memory of 4740	4900	oobeldr.exe	71
PID 4740 wrote to memory of 4608	4740	oobeldr.exe	72
PID 4740 wrote to memory of 4608	4740	oobeldr.exe	72
PID 4740 wrote to memory of 4608	4740	oobeldr.exe	72
PID 492 wrote to memory of 1616	492	oobeldr.exe	75
PID 492 wrote to memory of 1616	492	oobeldr.exe	75
PID 492 wrote to memory of 1616	492	oobeldr.exe	75
PID 492 wrote to memory of 1496	492	oobeldr.exe	76
PID 492 wrote to memory of 1496	492	oobeldr.exe	76
PID 492 wrote to memory of 1496	492	oobeldr.exe	76
PID 492 wrote to memory of 1452	492	oobeldr.exe	77
PID 492 wrote to memory of 1452	492	oobeldr.exe	77
PID 492 wrote to memory of 1452	492	oobeldr.exe	77
PID 492 wrote to memory of 1452	492	oobeldr.exe	77
PID 492 wrote to memory of 1452	492	oobeldr.exe	77
PID 492 wrote to memory of 1452	492	oobeldr.exe	77
PID 492 wrote to memory of 1452	492	oobeldr.exe	77
PID 492 wrote to memory of 1452	492	oobeldr.exe	77
PID 492 wrote to memory of 1452	492	oobeldr.exe	77

C:\Users\Admin\AppData\Local\Temp\8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe
"C:\Users\Admin\AppData\Local\Temp\8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3844
- C:\Users\Admin\AppData\Local\Temp\8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe
  C:\Users\Admin\AppData\Local\Temp\8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3984
- - 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:2672

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:4900
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4720
- 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:4740
- - 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:4608

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:492
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1616
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1496
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1452

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
327KB

MD5
768d5bcd030d308f6df4675fdc220ac0

SHA1
d360adaf5464726ea49a2ddb70c13d4dceebc040

SHA256
8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334

SHA512
81ae1940cd72f7f63fd19668dd9195bc4585e5f6290d6f439e0a4fa862e8a0c11b9a631acae6cc54cbbd58b36e8d3b19fab575d340f551c05a3b91c2b1d09e8c

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

Filesize
327KB

MD5
768d5bcd030d308f6df4675fdc220ac0

SHA1
d360adaf5464726ea49a2ddb70c13d4dceebc040

SHA256
8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334

SHA512
81ae1940cd72f7f63fd19668dd9195bc4585e5f6290d6f439e0a4fa862e8a0c11b9a631acae6cc54cbbd58b36e8d3b19fab575d340f551c05a3b91c2b1d09e8c

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

Filesize
327KB

MD5
768d5bcd030d308f6df4675fdc220ac0

SHA1
d360adaf5464726ea49a2ddb70c13d4dceebc040

SHA256
8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334

SHA512
81ae1940cd72f7f63fd19668dd9195bc4585e5f6290d6f439e0a4fa862e8a0c11b9a631acae6cc54cbbd58b36e8d3b19fab575d340f551c05a3b91c2b1d09e8c

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

Filesize
327KB

MD5
768d5bcd030d308f6df4675fdc220ac0

SHA1
d360adaf5464726ea49a2ddb70c13d4dceebc040

SHA256
8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334

SHA512
81ae1940cd72f7f63fd19668dd9195bc4585e5f6290d6f439e0a4fa862e8a0c11b9a631acae6cc54cbbd58b36e8d3b19fab575d340f551c05a3b91c2b1d09e8c

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

Filesize
327KB

MD5
768d5bcd030d308f6df4675fdc220ac0

SHA1
d360adaf5464726ea49a2ddb70c13d4dceebc040

SHA256
8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334

SHA512
81ae1940cd72f7f63fd19668dd9195bc4585e5f6290d6f439e0a4fa862e8a0c11b9a631acae6cc54cbbd58b36e8d3b19fab575d340f551c05a3b91c2b1d09e8c

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

Filesize
327KB

MD5
768d5bcd030d308f6df4675fdc220ac0

SHA1
d360adaf5464726ea49a2ddb70c13d4dceebc040

SHA256
8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334

SHA512
81ae1940cd72f7f63fd19668dd9195bc4585e5f6290d6f439e0a4fa862e8a0c11b9a631acae6cc54cbbd58b36e8d3b19fab575d340f551c05a3b91c2b1d09e8c

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

Filesize
327KB

MD5
768d5bcd030d308f6df4675fdc220ac0

SHA1
d360adaf5464726ea49a2ddb70c13d4dceebc040

SHA256
8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334

SHA512
81ae1940cd72f7f63fd19668dd9195bc4585e5f6290d6f439e0a4fa862e8a0c11b9a631acae6cc54cbbd58b36e8d3b19fab575d340f551c05a3b91c2b1d09e8c

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

Filesize
327KB

MD5
768d5bcd030d308f6df4675fdc220ac0

SHA1
d360adaf5464726ea49a2ddb70c13d4dceebc040

SHA256
8d5b84e4f76bc820f42a76162656280478211bc8562aff3bb9d59368795eb334

SHA512
81ae1940cd72f7f63fd19668dd9195bc4585e5f6290d6f439e0a4fa862e8a0c11b9a631acae6cc54cbbd58b36e8d3b19fab575d340f551c05a3b91c2b1d09e8c

Download Submit
memory/3844-153-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-159-0x00000000071C0000-0x0000000007252000-memory.dmp

Filesize
584KB

Download
memory/3844-124-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-125-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-126-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-127-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-128-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-129-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-130-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-131-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-132-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-133-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-134-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-135-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-136-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-137-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-138-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-139-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-140-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-141-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-142-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-143-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-144-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-145-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-146-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-147-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-148-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-149-0x0000000000390000-0x00000000003E6000-memory.dmp

Filesize
344KB

Download
memory/3844-150-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-151-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-152-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-122-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-154-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-155-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-156-0x0000000007050000-0x000000000711C000-memory.dmp

Filesize
816KB

Download
memory/3844-157-0x0000000007620000-0x0000000007B1E000-memory.dmp

Filesize
5.0MB

Download
memory/3844-158-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-123-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-160-0x0000000007150000-0x0000000007156000-memory.dmp

Filesize
24KB

Download
memory/3844-161-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-162-0x00000000074E0000-0x0000000007556000-memory.dmp

Filesize
472KB

Download
memory/3844-163-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-164-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-165-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-166-0x00000000071A0000-0x00000000071BE000-memory.dmp

Filesize
120KB

Download
memory/3844-167-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-168-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-169-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-170-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-171-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-172-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-178-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-115-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-116-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-117-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-118-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-119-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-120-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3844-121-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3984-176-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3984-177-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3984-184-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3984-185-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3984-186-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3984-214-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3984-182-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3984-173-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3984-183-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3984-181-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3984-179-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download
memory/3984-175-0x0000000076EC0000-0x000000007704E000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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