b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf

Analysis

max time kernel
134s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2022, 15:33

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General

Target

b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe
Size

324KB
MD5

2f38ab6134e069b2738966b81b587e84
SHA1

290b539cee2bd0f064df7cc38519b29343552242
SHA256

b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf
SHA512

a630fc9ed452ed829e80a9e8d22fdecef32ae759d5a9c17ec9f62a9894f755c230602a5e2905f130dbb8f71df0dd79dd3efde8032152ac761744cba7dd71c922
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 6 IoCs

pid	Process
4372	oobeldr.exe
2692	oobeldr.exe
3620	oobeldr.exe
3500	oobeldr.exe
4024	oobeldr.exe
1664	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1112 set thread context of 4036	1112	b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe	80
PID 4372 set thread context of 3500	4372	oobeldr.exe	93
PID 4024 set thread context of 1664	4024	oobeldr.exe	97

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
1252	schtasks.exe
1656	schtasks.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 4036	1112	b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe	80
PID 1112 wrote to memory of 4036	1112	b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe	80
PID 1112 wrote to memory of 4036	1112	b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe	80
PID 1112 wrote to memory of 4036	1112	b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe	80
PID 1112 wrote to memory of 4036	1112	b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe	80
PID 1112 wrote to memory of 4036	1112	b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe	80
PID 1112 wrote to memory of 4036	1112	b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe	80
PID 1112 wrote to memory of 4036	1112	b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe	80
PID 1112 wrote to memory of 4036	1112	b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe	80
PID 4036 wrote to memory of 1252	4036	b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe	81
PID 4036 wrote to memory of 1252	4036	b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe	81
PID 4036 wrote to memory of 1252	4036	b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe	81
PID 4372 wrote to memory of 2692	4372	oobeldr.exe	91
PID 4372 wrote to memory of 2692	4372	oobeldr.exe	91
PID 4372 wrote to memory of 2692	4372	oobeldr.exe	91
PID 4372 wrote to memory of 3620	4372	oobeldr.exe	92
PID 4372 wrote to memory of 3620	4372	oobeldr.exe	92
PID 4372 wrote to memory of 3620	4372	oobeldr.exe	92
PID 4372 wrote to memory of 3500	4372	oobeldr.exe	93
PID 4372 wrote to memory of 3500	4372	oobeldr.exe	93
PID 4372 wrote to memory of 3500	4372	oobeldr.exe	93
PID 4372 wrote to memory of 3500	4372	oobeldr.exe	93
PID 4372 wrote to memory of 3500	4372	oobeldr.exe	93
PID 4372 wrote to memory of 3500	4372	oobeldr.exe	93
PID 4372 wrote to memory of 3500	4372	oobeldr.exe	93
PID 4372 wrote to memory of 3500	4372	oobeldr.exe	93
PID 4372 wrote to memory of 3500	4372	oobeldr.exe	93
PID 3500 wrote to memory of 1656	3500	oobeldr.exe	94
PID 3500 wrote to memory of 1656	3500	oobeldr.exe	94
PID 3500 wrote to memory of 1656	3500	oobeldr.exe	94
PID 4024 wrote to memory of 1664	4024	oobeldr.exe	97
PID 4024 wrote to memory of 1664	4024	oobeldr.exe	97
PID 4024 wrote to memory of 1664	4024	oobeldr.exe	97
PID 4024 wrote to memory of 1664	4024	oobeldr.exe	97
PID 4024 wrote to memory of 1664	4024	oobeldr.exe	97
PID 4024 wrote to memory of 1664	4024	oobeldr.exe	97
PID 4024 wrote to memory of 1664	4024	oobeldr.exe	97
PID 4024 wrote to memory of 1664	4024	oobeldr.exe	97
PID 4024 wrote to memory of 1664	4024	oobeldr.exe	97

C:\Users\Admin\AppData\Local\Temp\b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe
"C:\Users\Admin\AppData\Local\Temp\b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Users\Admin\AppData\Local\Temp\b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe
  C:\Users\Admin\AppData\Local\Temp\b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4036
- - 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:1252

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:4372
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2692
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3620
- 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:3500
- - 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:1656

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:4024
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1664

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

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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
324KB

MD5
2f38ab6134e069b2738966b81b587e84

SHA1
290b539cee2bd0f064df7cc38519b29343552242

SHA256
b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf

SHA512
a630fc9ed452ed829e80a9e8d22fdecef32ae759d5a9c17ec9f62a9894f755c230602a5e2905f130dbb8f71df0dd79dd3efde8032152ac761744cba7dd71c922

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

Filesize
324KB

MD5
2f38ab6134e069b2738966b81b587e84

SHA1
290b539cee2bd0f064df7cc38519b29343552242

SHA256
b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf

SHA512
a630fc9ed452ed829e80a9e8d22fdecef32ae759d5a9c17ec9f62a9894f755c230602a5e2905f130dbb8f71df0dd79dd3efde8032152ac761744cba7dd71c922

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

Filesize
324KB

MD5
2f38ab6134e069b2738966b81b587e84

SHA1
290b539cee2bd0f064df7cc38519b29343552242

SHA256
b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf

SHA512
a630fc9ed452ed829e80a9e8d22fdecef32ae759d5a9c17ec9f62a9894f755c230602a5e2905f130dbb8f71df0dd79dd3efde8032152ac761744cba7dd71c922

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

Filesize
324KB

MD5
2f38ab6134e069b2738966b81b587e84

SHA1
290b539cee2bd0f064df7cc38519b29343552242

SHA256
b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf

SHA512
a630fc9ed452ed829e80a9e8d22fdecef32ae759d5a9c17ec9f62a9894f755c230602a5e2905f130dbb8f71df0dd79dd3efde8032152ac761744cba7dd71c922

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

Filesize
324KB

MD5
2f38ab6134e069b2738966b81b587e84

SHA1
290b539cee2bd0f064df7cc38519b29343552242

SHA256
b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf

SHA512
a630fc9ed452ed829e80a9e8d22fdecef32ae759d5a9c17ec9f62a9894f755c230602a5e2905f130dbb8f71df0dd79dd3efde8032152ac761744cba7dd71c922

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

Filesize
324KB

MD5
2f38ab6134e069b2738966b81b587e84

SHA1
290b539cee2bd0f064df7cc38519b29343552242

SHA256
b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf

SHA512
a630fc9ed452ed829e80a9e8d22fdecef32ae759d5a9c17ec9f62a9894f755c230602a5e2905f130dbb8f71df0dd79dd3efde8032152ac761744cba7dd71c922

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

Filesize
324KB

MD5
2f38ab6134e069b2738966b81b587e84

SHA1
290b539cee2bd0f064df7cc38519b29343552242

SHA256
b5e94192bcacd7e97334a5830ab80ff62929b966343d212e7cfa0e129ca40ccf

SHA512
a630fc9ed452ed829e80a9e8d22fdecef32ae759d5a9c17ec9f62a9894f755c230602a5e2905f130dbb8f71df0dd79dd3efde8032152ac761744cba7dd71c922

Download Submit
memory/1112-132-0x0000000000710000-0x0000000000766000-memory.dmp

Filesize
344KB

Download
memory/1112-136-0x00000000076A0000-0x00000000076BE000-memory.dmp

Filesize
120KB

Download
memory/1112-135-0x0000000007970000-0x00000000079E6000-memory.dmp

Filesize
472KB

Download
memory/1112-134-0x00000000076D0000-0x0000000007762000-memory.dmp

Filesize
584KB

Download
memory/1112-133-0x0000000007BA0000-0x0000000008144000-memory.dmp

Filesize
5.6MB

Download
memory/4036-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4036-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4036-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads