1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c

Analysis

max time kernel
125s
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
01/11/2022, 18:41

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General

Target

1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe
Size

325KB
MD5

823d1375b14644547a10030892b7afa1
SHA1

975b225b985532f4e96a94ee59c1f824341c2870
SHA256

1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c
SHA512

b533b00f017f172de9456ccac42e20ca0b4b8ec04eea787facd89df822659394ae33422bd51e19a6aa719fac0128be413ccce252c36e8c6ee24b183610e55fdc
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 7 IoCs

pid	Process
3492	oobeldr.exe
4212	oobeldr.exe
4216	oobeldr.exe
2860	oobeldr.exe
3104	oobeldr.exe
504	oobeldr.exe
4924	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2648 set thread context of 5036	2648	1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe	66
PID 3492 set thread context of 2860	3492	oobeldr.exe	72
PID 3104 set thread context of 4924	3104	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
2728	schtasks.exe
4876	schtasks.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 5036	2648	1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe	66
PID 2648 wrote to memory of 5036	2648	1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe	66
PID 2648 wrote to memory of 5036	2648	1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe	66
PID 2648 wrote to memory of 5036	2648	1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe	66
PID 2648 wrote to memory of 5036	2648	1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe	66
PID 2648 wrote to memory of 5036	2648	1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe	66
PID 2648 wrote to memory of 5036	2648	1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe	66
PID 2648 wrote to memory of 5036	2648	1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe	66
PID 2648 wrote to memory of 5036	2648	1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe	66
PID 5036 wrote to memory of 2728	5036	1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe	67
PID 5036 wrote to memory of 2728	5036	1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe	67
PID 5036 wrote to memory of 2728	5036	1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe	67
PID 3492 wrote to memory of 4212	3492	oobeldr.exe	70
PID 3492 wrote to memory of 4212	3492	oobeldr.exe	70
PID 3492 wrote to memory of 4212	3492	oobeldr.exe	70
PID 3492 wrote to memory of 4216	3492	oobeldr.exe	71
PID 3492 wrote to memory of 4216	3492	oobeldr.exe	71
PID 3492 wrote to memory of 4216	3492	oobeldr.exe	71
PID 3492 wrote to memory of 2860	3492	oobeldr.exe	72
PID 3492 wrote to memory of 2860	3492	oobeldr.exe	72
PID 3492 wrote to memory of 2860	3492	oobeldr.exe	72
PID 3492 wrote to memory of 2860	3492	oobeldr.exe	72
PID 3492 wrote to memory of 2860	3492	oobeldr.exe	72
PID 3492 wrote to memory of 2860	3492	oobeldr.exe	72
PID 3492 wrote to memory of 2860	3492	oobeldr.exe	72
PID 3492 wrote to memory of 2860	3492	oobeldr.exe	72
PID 3492 wrote to memory of 2860	3492	oobeldr.exe	72
PID 2860 wrote to memory of 4876	2860	oobeldr.exe	73
PID 2860 wrote to memory of 4876	2860	oobeldr.exe	73
PID 2860 wrote to memory of 4876	2860	oobeldr.exe	73
PID 3104 wrote to memory of 504	3104	oobeldr.exe	76
PID 3104 wrote to memory of 504	3104	oobeldr.exe	76
PID 3104 wrote to memory of 504	3104	oobeldr.exe	76
PID 3104 wrote to memory of 4924	3104	oobeldr.exe	77
PID 3104 wrote to memory of 4924	3104	oobeldr.exe	77
PID 3104 wrote to memory of 4924	3104	oobeldr.exe	77
PID 3104 wrote to memory of 4924	3104	oobeldr.exe	77
PID 3104 wrote to memory of 4924	3104	oobeldr.exe	77
PID 3104 wrote to memory of 4924	3104	oobeldr.exe	77
PID 3104 wrote to memory of 4924	3104	oobeldr.exe	77
PID 3104 wrote to memory of 4924	3104	oobeldr.exe	77
PID 3104 wrote to memory of 4924	3104	oobeldr.exe	77

C:\Users\Admin\AppData\Local\Temp\1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe
"C:\Users\Admin\AppData\Local\Temp\1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe
  C:\Users\Admin\AppData\Local\Temp\1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5036
- - 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:2728

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:3492
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4212
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4216
- 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:2860
- - 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:4876

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:3104
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:504
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4924

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
325KB

MD5
823d1375b14644547a10030892b7afa1

SHA1
975b225b985532f4e96a94ee59c1f824341c2870

SHA256
1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c

SHA512
b533b00f017f172de9456ccac42e20ca0b4b8ec04eea787facd89df822659394ae33422bd51e19a6aa719fac0128be413ccce252c36e8c6ee24b183610e55fdc

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

Filesize
325KB

MD5
823d1375b14644547a10030892b7afa1

SHA1
975b225b985532f4e96a94ee59c1f824341c2870

SHA256
1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c

SHA512
b533b00f017f172de9456ccac42e20ca0b4b8ec04eea787facd89df822659394ae33422bd51e19a6aa719fac0128be413ccce252c36e8c6ee24b183610e55fdc

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

Filesize
325KB

MD5
823d1375b14644547a10030892b7afa1

SHA1
975b225b985532f4e96a94ee59c1f824341c2870

SHA256
1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c

SHA512
b533b00f017f172de9456ccac42e20ca0b4b8ec04eea787facd89df822659394ae33422bd51e19a6aa719fac0128be413ccce252c36e8c6ee24b183610e55fdc

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

Filesize
325KB

MD5
823d1375b14644547a10030892b7afa1

SHA1
975b225b985532f4e96a94ee59c1f824341c2870

SHA256
1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c

SHA512
b533b00f017f172de9456ccac42e20ca0b4b8ec04eea787facd89df822659394ae33422bd51e19a6aa719fac0128be413ccce252c36e8c6ee24b183610e55fdc

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

Filesize
325KB

MD5
823d1375b14644547a10030892b7afa1

SHA1
975b225b985532f4e96a94ee59c1f824341c2870

SHA256
1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c

SHA512
b533b00f017f172de9456ccac42e20ca0b4b8ec04eea787facd89df822659394ae33422bd51e19a6aa719fac0128be413ccce252c36e8c6ee24b183610e55fdc

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

Filesize
325KB

MD5
823d1375b14644547a10030892b7afa1

SHA1
975b225b985532f4e96a94ee59c1f824341c2870

SHA256
1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c

SHA512
b533b00f017f172de9456ccac42e20ca0b4b8ec04eea787facd89df822659394ae33422bd51e19a6aa719fac0128be413ccce252c36e8c6ee24b183610e55fdc

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

Filesize
325KB

MD5
823d1375b14644547a10030892b7afa1

SHA1
975b225b985532f4e96a94ee59c1f824341c2870

SHA256
1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c

SHA512
b533b00f017f172de9456ccac42e20ca0b4b8ec04eea787facd89df822659394ae33422bd51e19a6aa719fac0128be413ccce252c36e8c6ee24b183610e55fdc

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

Filesize
325KB

MD5
823d1375b14644547a10030892b7afa1

SHA1
975b225b985532f4e96a94ee59c1f824341c2870

SHA256
1a55952cb1744c06ac157af6509a86befb47480e0f9fd3afbed6695f3e75146c

SHA512
b533b00f017f172de9456ccac42e20ca0b4b8ec04eea787facd89df822659394ae33422bd51e19a6aa719fac0128be413ccce252c36e8c6ee24b183610e55fdc

Download Submit
memory/2648-157-0x0000000007FC0000-0x00000000084BE000-memory.dmp

Filesize
5.0MB

Download
memory/2648-171-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-126-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-127-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-128-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-129-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-130-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-131-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-132-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-133-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-135-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-134-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-160-0x0000000005650000-0x0000000005656000-memory.dmp

Filesize
24KB

Download
memory/2648-137-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-138-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-139-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-140-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-141-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-142-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-143-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-144-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-145-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-146-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-147-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-148-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-149-0x0000000000D30000-0x0000000000D86000-memory.dmp

Filesize
344KB

Download
memory/2648-150-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-151-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-152-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-153-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-154-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-155-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-156-0x00000000079F0000-0x0000000007ABC000-memory.dmp

Filesize
816KB

Download
memory/2648-115-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-158-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-159-0x0000000007BA0000-0x0000000007C32000-memory.dmp

Filesize
584KB

Download
memory/2648-136-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-125-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-116-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-163-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-164-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-165-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-166-0x0000000005690000-0x00000000056AE000-memory.dmp

Filesize
120KB

Download
memory/2648-167-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-168-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-169-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-170-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-161-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-172-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-117-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-118-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-119-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-162-0x0000000007E40000-0x0000000007EB6000-memory.dmp

Filesize
472KB

Download
memory/2648-120-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-178-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-121-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-122-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-123-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/2648-124-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-177-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-183-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-182-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-184-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-181-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-179-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-226-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/5036-186-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-175-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-173-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/5036-185-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-176-0x0000000077C70000-0x0000000077DFE000-memory.dmp

Filesize
1.6MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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