a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd

Analysis

max time kernel
98s
max time network
75s
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, 03:12

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General

Target

a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe
Size

323KB
MD5

7417e2b4598d6161f0a9190cdf429001
SHA1

8be8fdcf526a6959897ed0060b65e6f4bc919be7
SHA256

a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd
SHA512

a190a527dd495b628d59ed8d1c9e10c0a72dfbb394dc7aff87e7fd0d6d8af1780085bfdcdfdb40c90859a9f94f4312c7974bb1fbf18e83eada87eceb0b68fcff
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3288	oobeldr.exe
2320	oobeldr.exe
4932	oobeldr.exe
812	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2728 set thread context of 2196	2728	a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe	66
PID 3288 set thread context of 2320	3288	oobeldr.exe	70
PID 4932 set thread context of 812	4932	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
1412	schtasks.exe
4324	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2196	2728	a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe	66
PID 2728 wrote to memory of 2196	2728	a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe	66
PID 2728 wrote to memory of 2196	2728	a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe	66
PID 2728 wrote to memory of 2196	2728	a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe	66
PID 2728 wrote to memory of 2196	2728	a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe	66
PID 2728 wrote to memory of 2196	2728	a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe	66
PID 2728 wrote to memory of 2196	2728	a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe	66
PID 2728 wrote to memory of 2196	2728	a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe	66
PID 2728 wrote to memory of 2196	2728	a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe	66
PID 2196 wrote to memory of 1412	2196	a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe	67
PID 2196 wrote to memory of 1412	2196	a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe	67
PID 2196 wrote to memory of 1412	2196	a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe	67
PID 3288 wrote to memory of 2320	3288	oobeldr.exe	70
PID 3288 wrote to memory of 2320	3288	oobeldr.exe	70
PID 3288 wrote to memory of 2320	3288	oobeldr.exe	70
PID 3288 wrote to memory of 2320	3288	oobeldr.exe	70
PID 3288 wrote to memory of 2320	3288	oobeldr.exe	70
PID 3288 wrote to memory of 2320	3288	oobeldr.exe	70
PID 3288 wrote to memory of 2320	3288	oobeldr.exe	70
PID 3288 wrote to memory of 2320	3288	oobeldr.exe	70
PID 3288 wrote to memory of 2320	3288	oobeldr.exe	70
PID 2320 wrote to memory of 4324	2320	oobeldr.exe	71
PID 2320 wrote to memory of 4324	2320	oobeldr.exe	71
PID 2320 wrote to memory of 4324	2320	oobeldr.exe	71
PID 4932 wrote to memory of 812	4932	oobeldr.exe	74
PID 4932 wrote to memory of 812	4932	oobeldr.exe	74
PID 4932 wrote to memory of 812	4932	oobeldr.exe	74
PID 4932 wrote to memory of 812	4932	oobeldr.exe	74
PID 4932 wrote to memory of 812	4932	oobeldr.exe	74
PID 4932 wrote to memory of 812	4932	oobeldr.exe	74
PID 4932 wrote to memory of 812	4932	oobeldr.exe	74
PID 4932 wrote to memory of 812	4932	oobeldr.exe	74
PID 4932 wrote to memory of 812	4932	oobeldr.exe	74

C:\Users\Admin\AppData\Local\Temp\a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe
"C:\Users\Admin\AppData\Local\Temp\a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Users\Admin\AppData\Local\Temp\a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe
  C:\Users\Admin\AppData\Local\Temp\a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2196
- - 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:1412

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:3288
- 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:2320
- - 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:4324

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:4932
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:812

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
7417e2b4598d6161f0a9190cdf429001

SHA1
8be8fdcf526a6959897ed0060b65e6f4bc919be7

SHA256
a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd

SHA512
a190a527dd495b628d59ed8d1c9e10c0a72dfbb394dc7aff87e7fd0d6d8af1780085bfdcdfdb40c90859a9f94f4312c7974bb1fbf18e83eada87eceb0b68fcff

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

Filesize
323KB

MD5
7417e2b4598d6161f0a9190cdf429001

SHA1
8be8fdcf526a6959897ed0060b65e6f4bc919be7

SHA256
a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd

SHA512
a190a527dd495b628d59ed8d1c9e10c0a72dfbb394dc7aff87e7fd0d6d8af1780085bfdcdfdb40c90859a9f94f4312c7974bb1fbf18e83eada87eceb0b68fcff

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

Filesize
323KB

MD5
7417e2b4598d6161f0a9190cdf429001

SHA1
8be8fdcf526a6959897ed0060b65e6f4bc919be7

SHA256
a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd

SHA512
a190a527dd495b628d59ed8d1c9e10c0a72dfbb394dc7aff87e7fd0d6d8af1780085bfdcdfdb40c90859a9f94f4312c7974bb1fbf18e83eada87eceb0b68fcff

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

Filesize
323KB

MD5
7417e2b4598d6161f0a9190cdf429001

SHA1
8be8fdcf526a6959897ed0060b65e6f4bc919be7

SHA256
a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd

SHA512
a190a527dd495b628d59ed8d1c9e10c0a72dfbb394dc7aff87e7fd0d6d8af1780085bfdcdfdb40c90859a9f94f4312c7974bb1fbf18e83eada87eceb0b68fcff

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

Filesize
323KB

MD5
7417e2b4598d6161f0a9190cdf429001

SHA1
8be8fdcf526a6959897ed0060b65e6f4bc919be7

SHA256
a835bbde7eafdb43ab71e66d37aee04bce94c1fc15567770e157e3745d9904fd

SHA512
a190a527dd495b628d59ed8d1c9e10c0a72dfbb394dc7aff87e7fd0d6d8af1780085bfdcdfdb40c90859a9f94f4312c7974bb1fbf18e83eada87eceb0b68fcff

Download Submit
memory/2196-183-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-173-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2196-186-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-185-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-182-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-184-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-227-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2196-181-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-179-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-178-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-176-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-175-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-135-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-166-0x0000000005500000-0x000000000551E000-memory.dmp

Filesize
120KB

Download
memory/2728-139-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-140-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-141-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-142-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-143-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-144-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-145-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-146-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-147-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-148-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-149-0x0000000000B50000-0x0000000000BA6000-memory.dmp

Filesize
344KB

Download
memory/2728-150-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-151-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-152-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-153-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-154-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-155-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-156-0x0000000007920000-0x00000000079EC000-memory.dmp

Filesize
816KB

Download
memory/2728-157-0x0000000007EF0000-0x00000000083EE000-memory.dmp

Filesize
5.0MB

Download
memory/2728-158-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-159-0x00000000079F0000-0x0000000007A82000-memory.dmp

Filesize
584KB

Download
memory/2728-160-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/2728-161-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-162-0x0000000007C90000-0x0000000007D06000-memory.dmp

Filesize
472KB

Download
memory/2728-163-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-164-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-165-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-138-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-167-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-168-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-169-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-170-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-171-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-172-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-137-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-136-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-115-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-134-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-177-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-133-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-132-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-131-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-130-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-129-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-128-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-127-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-126-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-125-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-124-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-123-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-122-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-121-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-120-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-116-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-119-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-118-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-117-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads