a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f

Analysis

max time kernel
129s
max time network
57s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
31/10/2022, 23:46

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General

Target

a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe
Size

322KB
MD5

cf33a02848203936b2a26e914db8c970
SHA1

2d8505269619ad2c768537b0210ecc47c8078f49
SHA256

a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f
SHA512

bb305fa623ac4926d040570eeb83379d3aa2cddd2e515319933d859d87991615fa1aa2697133f6a94561ffe56a5987d1139615aeca90df43272a60d7e92351d7
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
5080	oobeldr.exe
4256	oobeldr.exe
4668	oobeldr.exe
4920	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2916 set thread context of 3376	2916	a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe	66
PID 5080 set thread context of 4256	5080	oobeldr.exe	70
PID 4668 set thread context of 4920	4668	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
4364	schtasks.exe
3756	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 3376	2916	a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe	66
PID 2916 wrote to memory of 3376	2916	a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe	66
PID 2916 wrote to memory of 3376	2916	a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe	66
PID 2916 wrote to memory of 3376	2916	a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe	66
PID 2916 wrote to memory of 3376	2916	a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe	66
PID 2916 wrote to memory of 3376	2916	a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe	66
PID 2916 wrote to memory of 3376	2916	a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe	66
PID 2916 wrote to memory of 3376	2916	a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe	66
PID 2916 wrote to memory of 3376	2916	a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe	66
PID 3376 wrote to memory of 4364	3376	a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe	67
PID 3376 wrote to memory of 4364	3376	a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe	67
PID 3376 wrote to memory of 4364	3376	a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe	67
PID 5080 wrote to memory of 4256	5080	oobeldr.exe	70
PID 5080 wrote to memory of 4256	5080	oobeldr.exe	70
PID 5080 wrote to memory of 4256	5080	oobeldr.exe	70
PID 5080 wrote to memory of 4256	5080	oobeldr.exe	70
PID 5080 wrote to memory of 4256	5080	oobeldr.exe	70
PID 5080 wrote to memory of 4256	5080	oobeldr.exe	70
PID 5080 wrote to memory of 4256	5080	oobeldr.exe	70
PID 5080 wrote to memory of 4256	5080	oobeldr.exe	70
PID 5080 wrote to memory of 4256	5080	oobeldr.exe	70
PID 4256 wrote to memory of 3756	4256	oobeldr.exe	71
PID 4256 wrote to memory of 3756	4256	oobeldr.exe	71
PID 4256 wrote to memory of 3756	4256	oobeldr.exe	71
PID 4668 wrote to memory of 4920	4668	oobeldr.exe	74
PID 4668 wrote to memory of 4920	4668	oobeldr.exe	74
PID 4668 wrote to memory of 4920	4668	oobeldr.exe	74
PID 4668 wrote to memory of 4920	4668	oobeldr.exe	74
PID 4668 wrote to memory of 4920	4668	oobeldr.exe	74
PID 4668 wrote to memory of 4920	4668	oobeldr.exe	74
PID 4668 wrote to memory of 4920	4668	oobeldr.exe	74
PID 4668 wrote to memory of 4920	4668	oobeldr.exe	74
PID 4668 wrote to memory of 4920	4668	oobeldr.exe	74

C:\Users\Admin\AppData\Local\Temp\a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe
"C:\Users\Admin\AppData\Local\Temp\a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Users\Admin\AppData\Local\Temp\a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe
  C:\Users\Admin\AppData\Local\Temp\a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3376
- - 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:4364

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:5080
- 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:4256
- - 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:3756

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:4668
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4920

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
322KB

MD5
cf33a02848203936b2a26e914db8c970

SHA1
2d8505269619ad2c768537b0210ecc47c8078f49

SHA256
a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f

SHA512
bb305fa623ac4926d040570eeb83379d3aa2cddd2e515319933d859d87991615fa1aa2697133f6a94561ffe56a5987d1139615aeca90df43272a60d7e92351d7

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

Filesize
322KB

MD5
cf33a02848203936b2a26e914db8c970

SHA1
2d8505269619ad2c768537b0210ecc47c8078f49

SHA256
a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f

SHA512
bb305fa623ac4926d040570eeb83379d3aa2cddd2e515319933d859d87991615fa1aa2697133f6a94561ffe56a5987d1139615aeca90df43272a60d7e92351d7

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

Filesize
322KB

MD5
cf33a02848203936b2a26e914db8c970

SHA1
2d8505269619ad2c768537b0210ecc47c8078f49

SHA256
a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f

SHA512
bb305fa623ac4926d040570eeb83379d3aa2cddd2e515319933d859d87991615fa1aa2697133f6a94561ffe56a5987d1139615aeca90df43272a60d7e92351d7

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

Filesize
322KB

MD5
cf33a02848203936b2a26e914db8c970

SHA1
2d8505269619ad2c768537b0210ecc47c8078f49

SHA256
a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f

SHA512
bb305fa623ac4926d040570eeb83379d3aa2cddd2e515319933d859d87991615fa1aa2697133f6a94561ffe56a5987d1139615aeca90df43272a60d7e92351d7

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

Filesize
322KB

MD5
cf33a02848203936b2a26e914db8c970

SHA1
2d8505269619ad2c768537b0210ecc47c8078f49

SHA256
a54aafe6656bd740c8e19cdea84633791d0d56021fb53d5d2b5f4b2d1235669f

SHA512
bb305fa623ac4926d040570eeb83379d3aa2cddd2e515319933d859d87991615fa1aa2697133f6a94561ffe56a5987d1139615aeca90df43272a60d7e92351d7

Download Submit
memory/2916-157-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-169-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-125-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-126-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-127-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-128-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-129-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-130-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-131-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-132-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-133-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-134-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-159-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-136-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-137-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-139-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-138-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-140-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-141-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-142-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-143-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-144-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-145-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-146-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-147-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-148-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-149-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-150-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-151-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-152-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-153-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-154-0x0000000000100000-0x0000000000156000-memory.dmp

Filesize
344KB

Download
memory/2916-155-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-156-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-123-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-158-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-135-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-124-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-175-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-162-0x0000000007450000-0x000000000794E000-memory.dmp

Filesize
5.0MB

Download
memory/2916-163-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-164-0x0000000006FF0000-0x0000000007082000-memory.dmp

Filesize
584KB

Download
memory/2916-165-0x0000000002380000-0x0000000002386000-memory.dmp

Filesize
24KB

Download
memory/2916-166-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-167-0x0000000007290000-0x0000000007306000-memory.dmp

Filesize
472KB

Download
memory/2916-168-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-170-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-160-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-171-0x00000000049B0000-0x00000000049CE000-memory.dmp

Filesize
120KB

Download
memory/2916-172-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-173-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-174-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-161-0x0000000006E80000-0x0000000006F4C000-memory.dmp

Filesize
816KB

Download
memory/2916-177-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-176-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-183-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-120-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-121-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/2916-122-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/3376-232-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3376-191-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/3376-182-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/3376-186-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/3376-187-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/3376-188-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/3376-189-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/3376-181-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/3376-184-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/3376-178-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3376-190-0x0000000077570000-0x00000000776FE000-memory.dmp

Filesize
1.6MB

Download
memory/3376-180-0x0000000077570000-0x00000000776FE000-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