3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607

Analysis

max time kernel
98s
max time network
59s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
03/11/2022, 01:24

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General

Target

3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe
Size

327KB
MD5

5f795220a94cff39bda963f0677e19e6
SHA1

77e898771a59f87380238e0f5b554597315119c1
SHA256

3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607
SHA512

95644eebcae8180df13905f5e05c41ca197a63d420f3db3164b62f225018ddf0678ea45b06ceb0300e2613041ec0212f7a0075d4c0339f95d4ae9ce65f8ad17a
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3756	oobeldr.exe
4492	oobeldr.exe
3964	oobeldr.exe
4424	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2496 set thread context of 3956	2496	3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe	66
PID 3756 set thread context of 4492	3756	oobeldr.exe	70
PID 3964 set thread context of 4424	3964	oobeldr.exe	74

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
2944	schtasks.exe
5012	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 3956	2496	3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe	66
PID 2496 wrote to memory of 3956	2496	3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe	66
PID 2496 wrote to memory of 3956	2496	3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe	66
PID 2496 wrote to memory of 3956	2496	3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe	66
PID 2496 wrote to memory of 3956	2496	3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe	66
PID 2496 wrote to memory of 3956	2496	3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe	66
PID 2496 wrote to memory of 3956	2496	3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe	66
PID 2496 wrote to memory of 3956	2496	3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe	66
PID 2496 wrote to memory of 3956	2496	3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe	66
PID 3956 wrote to memory of 2944	3956	3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe	67
PID 3956 wrote to memory of 2944	3956	3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe	67
PID 3956 wrote to memory of 2944	3956	3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe	67
PID 3756 wrote to memory of 4492	3756	oobeldr.exe	70
PID 3756 wrote to memory of 4492	3756	oobeldr.exe	70
PID 3756 wrote to memory of 4492	3756	oobeldr.exe	70
PID 3756 wrote to memory of 4492	3756	oobeldr.exe	70
PID 3756 wrote to memory of 4492	3756	oobeldr.exe	70
PID 3756 wrote to memory of 4492	3756	oobeldr.exe	70
PID 3756 wrote to memory of 4492	3756	oobeldr.exe	70
PID 3756 wrote to memory of 4492	3756	oobeldr.exe	70
PID 3756 wrote to memory of 4492	3756	oobeldr.exe	70
PID 4492 wrote to memory of 5012	4492	oobeldr.exe	71
PID 4492 wrote to memory of 5012	4492	oobeldr.exe	71
PID 4492 wrote to memory of 5012	4492	oobeldr.exe	71
PID 3964 wrote to memory of 4424	3964	oobeldr.exe	74
PID 3964 wrote to memory of 4424	3964	oobeldr.exe	74
PID 3964 wrote to memory of 4424	3964	oobeldr.exe	74
PID 3964 wrote to memory of 4424	3964	oobeldr.exe	74
PID 3964 wrote to memory of 4424	3964	oobeldr.exe	74
PID 3964 wrote to memory of 4424	3964	oobeldr.exe	74
PID 3964 wrote to memory of 4424	3964	oobeldr.exe	74
PID 3964 wrote to memory of 4424	3964	oobeldr.exe	74
PID 3964 wrote to memory of 4424	3964	oobeldr.exe	74

C:\Users\Admin\AppData\Local\Temp\3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe
"C:\Users\Admin\AppData\Local\Temp\3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Users\Admin\AppData\Local\Temp\3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe
  C:\Users\Admin\AppData\Local\Temp\3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3956
- - 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:2944

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:3756
- 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:4492
- - 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:5012

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:3964
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4424

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
5f795220a94cff39bda963f0677e19e6

SHA1
77e898771a59f87380238e0f5b554597315119c1

SHA256
3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607

SHA512
95644eebcae8180df13905f5e05c41ca197a63d420f3db3164b62f225018ddf0678ea45b06ceb0300e2613041ec0212f7a0075d4c0339f95d4ae9ce65f8ad17a

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

Filesize
327KB

MD5
5f795220a94cff39bda963f0677e19e6

SHA1
77e898771a59f87380238e0f5b554597315119c1

SHA256
3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607

SHA512
95644eebcae8180df13905f5e05c41ca197a63d420f3db3164b62f225018ddf0678ea45b06ceb0300e2613041ec0212f7a0075d4c0339f95d4ae9ce65f8ad17a

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

Filesize
327KB

MD5
5f795220a94cff39bda963f0677e19e6

SHA1
77e898771a59f87380238e0f5b554597315119c1

SHA256
3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607

SHA512
95644eebcae8180df13905f5e05c41ca197a63d420f3db3164b62f225018ddf0678ea45b06ceb0300e2613041ec0212f7a0075d4c0339f95d4ae9ce65f8ad17a

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

Filesize
327KB

MD5
5f795220a94cff39bda963f0677e19e6

SHA1
77e898771a59f87380238e0f5b554597315119c1

SHA256
3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607

SHA512
95644eebcae8180df13905f5e05c41ca197a63d420f3db3164b62f225018ddf0678ea45b06ceb0300e2613041ec0212f7a0075d4c0339f95d4ae9ce65f8ad17a

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

Filesize
327KB

MD5
5f795220a94cff39bda963f0677e19e6

SHA1
77e898771a59f87380238e0f5b554597315119c1

SHA256
3857c93d93fb03ea66b63c7ca16d236b7f8e5b46adb7d0585275198ea7cb3607

SHA512
95644eebcae8180df13905f5e05c41ca197a63d420f3db3164b62f225018ddf0678ea45b06ceb0300e2613041ec0212f7a0075d4c0339f95d4ae9ce65f8ad17a

Download Submit
memory/2496-154-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-167-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-122-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-123-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-124-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-125-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-126-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-127-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-128-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-129-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-130-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-131-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-156-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-133-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-134-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-135-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-136-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-137-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-138-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-139-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-140-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-141-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-142-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-143-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-144-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-146-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-145-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-147-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-148-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-149-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-150-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-151-0x00000000008C0000-0x0000000000916000-memory.dmp

Filesize
344KB

Download
memory/2496-152-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-153-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-119-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-155-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-132-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-121-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-172-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-159-0x0000000007C10000-0x000000000810E000-memory.dmp

Filesize
5.0MB

Download
memory/2496-160-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-161-0x00000000077B0000-0x0000000007842000-memory.dmp

Filesize
584KB

Download
memory/2496-162-0x0000000002BC0000-0x0000000002BC6000-memory.dmp

Filesize
24KB

Download
memory/2496-163-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-164-0x0000000007A50000-0x0000000007AC6000-memory.dmp

Filesize
472KB

Download
memory/2496-165-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-166-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-157-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-168-0x0000000002C20000-0x0000000002C3E000-memory.dmp

Filesize
120KB

Download
memory/2496-169-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-170-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-171-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-158-0x0000000007640000-0x000000000770C000-memory.dmp

Filesize
816KB

Download
memory/2496-173-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-174-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-179-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-117-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-118-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-120-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/3956-188-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/3956-219-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3956-180-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/3956-183-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/3956-184-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/3956-185-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/3956-181-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/3956-177-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/3956-187-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/3956-186-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/3956-178-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/3956-175-0x0000000000400000-0x0000000000406000-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