79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed

Analysis

max time kernel
122s
max time network
251s
platform
windows10-1703_x64
resource
win10-20230831-en
resource tags

arch:x64arch:x86image:win10-20230831-enlocale:en-usos:windows10-1703-x64system
submitted
03/09/2023, 22:00

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General

Target

79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe
Size

322KB
MD5

353abe33062bb6bb408def916254e023
SHA1

8d4f8792aff58fe446d5cd78fc8d5b36f0cd677e
SHA256

79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed
SHA512

5096d0c5d833c165c8a19995cf7973b3b7b42dd06839cff4a993858f553d557ba9a222fd7f18551b6cc7e13828830d5275a0d7a784edcd54e7bc94ba47d9bc37
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3712	oobeldr.exe
2536	oobeldr.exe
1824	oobeldr.exe
3848	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4192 set thread context of 2972	4192	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	71
PID 3712 set thread context of 2536	3712	oobeldr.exe	75
PID 1824 set thread context of 3848	1824	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/Job

T1053

pid	Process
3964	schtasks.exe
2868	schtasks.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 4192 wrote to memory of 4572	4192	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	70
PID 4192 wrote to memory of 4572	4192	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	70
PID 4192 wrote to memory of 4572	4192	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	70
PID 4192 wrote to memory of 2972	4192	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	71
PID 4192 wrote to memory of 2972	4192	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	71
PID 4192 wrote to memory of 2972	4192	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	71
PID 4192 wrote to memory of 2972	4192	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	71
PID 4192 wrote to memory of 2972	4192	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	71
PID 4192 wrote to memory of 2972	4192	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	71
PID 4192 wrote to memory of 2972	4192	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	71
PID 4192 wrote to memory of 2972	4192	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	71
PID 4192 wrote to memory of 2972	4192	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	71
PID 2972 wrote to memory of 3964	2972	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	72
PID 2972 wrote to memory of 3964	2972	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	72
PID 2972 wrote to memory of 3964	2972	79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe	72
PID 3712 wrote to memory of 2536	3712	oobeldr.exe	75
PID 3712 wrote to memory of 2536	3712	oobeldr.exe	75
PID 3712 wrote to memory of 2536	3712	oobeldr.exe	75
PID 3712 wrote to memory of 2536	3712	oobeldr.exe	75
PID 3712 wrote to memory of 2536	3712	oobeldr.exe	75
PID 3712 wrote to memory of 2536	3712	oobeldr.exe	75
PID 3712 wrote to memory of 2536	3712	oobeldr.exe	75
PID 3712 wrote to memory of 2536	3712	oobeldr.exe	75
PID 3712 wrote to memory of 2536	3712	oobeldr.exe	75
PID 1824 wrote to memory of 3848	1824	oobeldr.exe	77
PID 1824 wrote to memory of 3848	1824	oobeldr.exe	77
PID 1824 wrote to memory of 3848	1824	oobeldr.exe	77
PID 1824 wrote to memory of 3848	1824	oobeldr.exe	77
PID 1824 wrote to memory of 3848	1824	oobeldr.exe	77
PID 1824 wrote to memory of 3848	1824	oobeldr.exe	77
PID 1824 wrote to memory of 3848	1824	oobeldr.exe	77
PID 1824 wrote to memory of 3848	1824	oobeldr.exe	77
PID 1824 wrote to memory of 3848	1824	oobeldr.exe	77
PID 3848 wrote to memory of 2868	3848	oobeldr.exe	78
PID 3848 wrote to memory of 2868	3848	oobeldr.exe	78
PID 3848 wrote to memory of 2868	3848	oobeldr.exe	78

C:\Users\Admin\AppData\Local\Temp\79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe
"C:\Users\Admin\AppData\Local\Temp\79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4192
- C:\Users\Admin\AppData\Local\Temp\79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe
  C:\Users\Admin\AppData\Local\Temp\79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe
  2⤵
  PID:4572
- C:\Users\Admin\AppData\Local\Temp\79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe
  C:\Users\Admin\AppData\Local\Temp\79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2972
- - 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:3964

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:3712
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2536

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:1824
- 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:3848
- - 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:2868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

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
353abe33062bb6bb408def916254e023

SHA1
8d4f8792aff58fe446d5cd78fc8d5b36f0cd677e

SHA256
79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed

SHA512
5096d0c5d833c165c8a19995cf7973b3b7b42dd06839cff4a993858f553d557ba9a222fd7f18551b6cc7e13828830d5275a0d7a784edcd54e7bc94ba47d9bc37

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

Filesize
322KB

MD5
353abe33062bb6bb408def916254e023

SHA1
8d4f8792aff58fe446d5cd78fc8d5b36f0cd677e

SHA256
79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed

SHA512
5096d0c5d833c165c8a19995cf7973b3b7b42dd06839cff4a993858f553d557ba9a222fd7f18551b6cc7e13828830d5275a0d7a784edcd54e7bc94ba47d9bc37

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

Filesize
322KB

MD5
353abe33062bb6bb408def916254e023

SHA1
8d4f8792aff58fe446d5cd78fc8d5b36f0cd677e

SHA256
79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed

SHA512
5096d0c5d833c165c8a19995cf7973b3b7b42dd06839cff4a993858f553d557ba9a222fd7f18551b6cc7e13828830d5275a0d7a784edcd54e7bc94ba47d9bc37

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

Filesize
322KB

MD5
353abe33062bb6bb408def916254e023

SHA1
8d4f8792aff58fe446d5cd78fc8d5b36f0cd677e

SHA256
79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed

SHA512
5096d0c5d833c165c8a19995cf7973b3b7b42dd06839cff4a993858f553d557ba9a222fd7f18551b6cc7e13828830d5275a0d7a784edcd54e7bc94ba47d9bc37

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

Filesize
322KB

MD5
353abe33062bb6bb408def916254e023

SHA1
8d4f8792aff58fe446d5cd78fc8d5b36f0cd677e

SHA256
79913df1161a6e3c7dd5d6f4e38c3baa1acd2c60572725220bc5d0934cdaa4ed

SHA512
5096d0c5d833c165c8a19995cf7973b3b7b42dd06839cff4a993858f553d557ba9a222fd7f18551b6cc7e13828830d5275a0d7a784edcd54e7bc94ba47d9bc37

Download Submit
memory/1824-33-0x0000000073C10000-0x00000000742FE000-memory.dmp

Filesize
6.9MB

Download
memory/1824-27-0x00000000052F0000-0x0000000005300000-memory.dmp

Filesize
64KB

Download
memory/1824-26-0x0000000073C10000-0x00000000742FE000-memory.dmp

Filesize
6.9MB

Download
memory/2972-15-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2972-9-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2972-12-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3712-23-0x0000000073B70000-0x000000007425E000-memory.dmp

Filesize
6.9MB

Download
memory/3712-19-0x0000000004950000-0x0000000004960000-memory.dmp

Filesize
64KB

Download
memory/3712-18-0x0000000073B70000-0x000000007425E000-memory.dmp

Filesize
6.9MB

Download
memory/3848-32-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4192-6-0x0000000005390000-0x00000000053A0000-memory.dmp

Filesize
64KB

Download
memory/4192-7-0x0000000007CF0000-0x0000000007D66000-memory.dmp

Filesize
472KB

Download
memory/4192-0-0x0000000000B90000-0x0000000000BE6000-memory.dmp

Filesize
344KB

Download
memory/4192-13-0x0000000073B70000-0x000000007425E000-memory.dmp

Filesize
6.9MB

Download
memory/4192-5-0x0000000007960000-0x0000000007966000-memory.dmp

Filesize
24KB

Download
memory/4192-4-0x00000000079D0000-0x0000000007A62000-memory.dmp

Filesize
584KB

Download
memory/4192-3-0x0000000007DF0000-0x00000000082EE000-memory.dmp

Filesize
5.0MB

Download
memory/4192-2-0x0000000007820000-0x00000000078EC000-memory.dmp

Filesize
816KB

Download
memory/4192-8-0x00000000079B0000-0x00000000079CE000-memory.dmp

Filesize
120KB

Download
memory/4192-1-0x0000000073B70000-0x000000007425E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads