f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e

Analysis

max time kernel
106s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
01-11-2022 19:59

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General

Target

f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe
Size

325KB
MD5

a50040abbf848aef109106a4d0772e5c
SHA1

098db5082598817d83129ad9a2c778dfb2ee042f
SHA256

f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e
SHA512

8a755fc34fe34e27e6c620d343a854a1fac8b766809b3cb1f772005fc50125e4a0fedd34519825b33dd8cf9aa7349734f7ec72d157344fd070c2bb9f50a60254
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 5 IoCs

pid	Process
4328	oobeldr.exe
2624	oobeldr.exe
3668	oobeldr.exe
2644	oobeldr.exe
2732	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2532 set thread context of 4776	2532	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	86
PID 4328 set thread context of 3668	4328	oobeldr.exe	95
PID 2644 set thread context of 2732	2644	oobeldr.exe	99

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
2916	schtasks.exe
4456	schtasks.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 3028	2532	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	82
PID 2532 wrote to memory of 3028	2532	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	82
PID 2532 wrote to memory of 3028	2532	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	82
PID 2532 wrote to memory of 4776	2532	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	86
PID 2532 wrote to memory of 4776	2532	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	86
PID 2532 wrote to memory of 4776	2532	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	86
PID 2532 wrote to memory of 4776	2532	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	86
PID 2532 wrote to memory of 4776	2532	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	86
PID 2532 wrote to memory of 4776	2532	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	86
PID 2532 wrote to memory of 4776	2532	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	86
PID 2532 wrote to memory of 4776	2532	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	86
PID 2532 wrote to memory of 4776	2532	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	86
PID 4776 wrote to memory of 2916	4776	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	88
PID 4776 wrote to memory of 2916	4776	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	88
PID 4776 wrote to memory of 2916	4776	f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe	88
PID 4328 wrote to memory of 2624	4328	oobeldr.exe	94
PID 4328 wrote to memory of 2624	4328	oobeldr.exe	94
PID 4328 wrote to memory of 2624	4328	oobeldr.exe	94
PID 4328 wrote to memory of 3668	4328	oobeldr.exe	95
PID 4328 wrote to memory of 3668	4328	oobeldr.exe	95
PID 4328 wrote to memory of 3668	4328	oobeldr.exe	95
PID 4328 wrote to memory of 3668	4328	oobeldr.exe	95
PID 4328 wrote to memory of 3668	4328	oobeldr.exe	95
PID 4328 wrote to memory of 3668	4328	oobeldr.exe	95
PID 4328 wrote to memory of 3668	4328	oobeldr.exe	95
PID 4328 wrote to memory of 3668	4328	oobeldr.exe	95
PID 4328 wrote to memory of 3668	4328	oobeldr.exe	95
PID 3668 wrote to memory of 4456	3668	oobeldr.exe	96
PID 3668 wrote to memory of 4456	3668	oobeldr.exe	96
PID 3668 wrote to memory of 4456	3668	oobeldr.exe	96
PID 2644 wrote to memory of 2732	2644	oobeldr.exe	99
PID 2644 wrote to memory of 2732	2644	oobeldr.exe	99
PID 2644 wrote to memory of 2732	2644	oobeldr.exe	99
PID 2644 wrote to memory of 2732	2644	oobeldr.exe	99
PID 2644 wrote to memory of 2732	2644	oobeldr.exe	99
PID 2644 wrote to memory of 2732	2644	oobeldr.exe	99
PID 2644 wrote to memory of 2732	2644	oobeldr.exe	99
PID 2644 wrote to memory of 2732	2644	oobeldr.exe	99
PID 2644 wrote to memory of 2732	2644	oobeldr.exe	99

C:\Users\Admin\AppData\Local\Temp\f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe
"C:\Users\Admin\AppData\Local\Temp\f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Local\Temp\f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe
  C:\Users\Admin\AppData\Local\Temp\f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe
  2⤵
  PID:3028
- C:\Users\Admin\AppData\Local\Temp\f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe
  C:\Users\Admin\AppData\Local\Temp\f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4776
- - 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:2916

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:4328
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2624
- 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:3668
- - 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:4456

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:2644
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2732

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
03d2df1e8834bc4ec1756735429b458c

SHA1
4ee6c0f5b04c8e0c5076219c5724032daab11d40

SHA256
745ab70552d9a0463b791fd8dc1942838ac3e34fb1a68f09ed3766c7e3b05631

SHA512
2482c3d4478125ccbc7f224f50e86b7bf925ed438b59f4dce57b9b6bcdb59df51417049096b131b6b911173550eed98bc92aba7050861de303a692f0681b197b

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

Filesize
325KB

MD5
a50040abbf848aef109106a4d0772e5c

SHA1
098db5082598817d83129ad9a2c778dfb2ee042f

SHA256
f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e

SHA512
8a755fc34fe34e27e6c620d343a854a1fac8b766809b3cb1f772005fc50125e4a0fedd34519825b33dd8cf9aa7349734f7ec72d157344fd070c2bb9f50a60254

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

Filesize
325KB

MD5
a50040abbf848aef109106a4d0772e5c

SHA1
098db5082598817d83129ad9a2c778dfb2ee042f

SHA256
f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e

SHA512
8a755fc34fe34e27e6c620d343a854a1fac8b766809b3cb1f772005fc50125e4a0fedd34519825b33dd8cf9aa7349734f7ec72d157344fd070c2bb9f50a60254

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

Filesize
325KB

MD5
a50040abbf848aef109106a4d0772e5c

SHA1
098db5082598817d83129ad9a2c778dfb2ee042f

SHA256
f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e

SHA512
8a755fc34fe34e27e6c620d343a854a1fac8b766809b3cb1f772005fc50125e4a0fedd34519825b33dd8cf9aa7349734f7ec72d157344fd070c2bb9f50a60254

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

Filesize
325KB

MD5
a50040abbf848aef109106a4d0772e5c

SHA1
098db5082598817d83129ad9a2c778dfb2ee042f

SHA256
f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e

SHA512
8a755fc34fe34e27e6c620d343a854a1fac8b766809b3cb1f772005fc50125e4a0fedd34519825b33dd8cf9aa7349734f7ec72d157344fd070c2bb9f50a60254

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

Filesize
325KB

MD5
a50040abbf848aef109106a4d0772e5c

SHA1
098db5082598817d83129ad9a2c778dfb2ee042f

SHA256
f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e

SHA512
8a755fc34fe34e27e6c620d343a854a1fac8b766809b3cb1f772005fc50125e4a0fedd34519825b33dd8cf9aa7349734f7ec72d157344fd070c2bb9f50a60254

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

Filesize
325KB

MD5
a50040abbf848aef109106a4d0772e5c

SHA1
098db5082598817d83129ad9a2c778dfb2ee042f

SHA256
f75a7ebcfb13599661552400c21ebf675658d9ec8accddd88a3313539eb3921e

SHA512
8a755fc34fe34e27e6c620d343a854a1fac8b766809b3cb1f772005fc50125e4a0fedd34519825b33dd8cf9aa7349734f7ec72d157344fd070c2bb9f50a60254

Download Submit
memory/2532-135-0x0000000007F90000-0x0000000008006000-memory.dmp

Filesize
472KB

Download
memory/2532-136-0x0000000007C50000-0x0000000007C6E000-memory.dmp

Filesize
120KB

Download
memory/2532-132-0x0000000000CC0000-0x0000000000D16000-memory.dmp

Filesize
344KB

Download
memory/2532-134-0x0000000007C70000-0x0000000007D02000-memory.dmp

Filesize
584KB

Download
memory/2532-133-0x0000000008140000-0x00000000086E4000-memory.dmp

Filesize
5.6MB

Download
memory/2732-154-0x0000000000000000-mapping.dmp

Download
memory/2916-141-0x0000000000000000-mapping.dmp

Download
memory/3668-146-0x0000000000000000-mapping.dmp

Download
memory/4456-151-0x0000000000000000-mapping.dmp

Download
memory/4776-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4776-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4776-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4776-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads