bd2ac3b25a348dc3c3d06c0278d4d0668f5b9c526ecf571b45ab0a2ae4c33b0c

Analysis

max time kernel
111s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2023, 11:25

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General

Target

05bfe417ee4f03f5b676bc18178c7bd3.exe
Size

325KB
MD5

05bfe417ee4f03f5b676bc18178c7bd3
SHA1

af90adcc4cfb084ede69230085ee9921d6349c88
SHA256

bd2ac3b25a348dc3c3d06c0278d4d0668f5b9c526ecf571b45ab0a2ae4c33b0c
SHA512

c5af4efa055669dff6ae665ade37f606d78f91be26033a4bf495f6211c1f4c9e9bb95aee804789517f9870f122e5a66972fa395d5851f971832a9e994b48d205
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
2332	oobeldr.exe
4864	oobeldr.exe
4192	oobeldr.exe
64	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1204 set thread context of 808	1204	05bfe417ee4f03f5b676bc18178c7bd3.exe	80
PID 2332 set thread context of 4864	2332	oobeldr.exe	91
PID 4192 set thread context of 64	4192	oobeldr.exe	95

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
3132	schtasks.exe
2940	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 808	1204	05bfe417ee4f03f5b676bc18178c7bd3.exe	80
PID 1204 wrote to memory of 808	1204	05bfe417ee4f03f5b676bc18178c7bd3.exe	80
PID 1204 wrote to memory of 808	1204	05bfe417ee4f03f5b676bc18178c7bd3.exe	80
PID 1204 wrote to memory of 808	1204	05bfe417ee4f03f5b676bc18178c7bd3.exe	80
PID 1204 wrote to memory of 808	1204	05bfe417ee4f03f5b676bc18178c7bd3.exe	80
PID 1204 wrote to memory of 808	1204	05bfe417ee4f03f5b676bc18178c7bd3.exe	80
PID 1204 wrote to memory of 808	1204	05bfe417ee4f03f5b676bc18178c7bd3.exe	80
PID 1204 wrote to memory of 808	1204	05bfe417ee4f03f5b676bc18178c7bd3.exe	80
PID 1204 wrote to memory of 808	1204	05bfe417ee4f03f5b676bc18178c7bd3.exe	80
PID 808 wrote to memory of 3132	808	05bfe417ee4f03f5b676bc18178c7bd3.exe	84
PID 808 wrote to memory of 3132	808	05bfe417ee4f03f5b676bc18178c7bd3.exe	84
PID 808 wrote to memory of 3132	808	05bfe417ee4f03f5b676bc18178c7bd3.exe	84
PID 2332 wrote to memory of 4864	2332	oobeldr.exe	91
PID 2332 wrote to memory of 4864	2332	oobeldr.exe	91
PID 2332 wrote to memory of 4864	2332	oobeldr.exe	91
PID 2332 wrote to memory of 4864	2332	oobeldr.exe	91
PID 2332 wrote to memory of 4864	2332	oobeldr.exe	91
PID 2332 wrote to memory of 4864	2332	oobeldr.exe	91
PID 2332 wrote to memory of 4864	2332	oobeldr.exe	91
PID 2332 wrote to memory of 4864	2332	oobeldr.exe	91
PID 2332 wrote to memory of 4864	2332	oobeldr.exe	91
PID 4864 wrote to memory of 2940	4864	oobeldr.exe	92
PID 4864 wrote to memory of 2940	4864	oobeldr.exe	92
PID 4864 wrote to memory of 2940	4864	oobeldr.exe	92
PID 4192 wrote to memory of 64	4192	oobeldr.exe	95
PID 4192 wrote to memory of 64	4192	oobeldr.exe	95
PID 4192 wrote to memory of 64	4192	oobeldr.exe	95
PID 4192 wrote to memory of 64	4192	oobeldr.exe	95
PID 4192 wrote to memory of 64	4192	oobeldr.exe	95
PID 4192 wrote to memory of 64	4192	oobeldr.exe	95
PID 4192 wrote to memory of 64	4192	oobeldr.exe	95
PID 4192 wrote to memory of 64	4192	oobeldr.exe	95
PID 4192 wrote to memory of 64	4192	oobeldr.exe	95

C:\Users\Admin\AppData\Local\Temp\05bfe417ee4f03f5b676bc18178c7bd3.exe
"C:\Users\Admin\AppData\Local\Temp\05bfe417ee4f03f5b676bc18178c7bd3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\05bfe417ee4f03f5b676bc18178c7bd3.exe
  C:\Users\Admin\AppData\Local\Temp\05bfe417ee4f03f5b676bc18178c7bd3.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:808
- - 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:3132

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:2332
- 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:4864
- - 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:2940

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:4192
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:64

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
05bfe417ee4f03f5b676bc18178c7bd3

SHA1
af90adcc4cfb084ede69230085ee9921d6349c88

SHA256
bd2ac3b25a348dc3c3d06c0278d4d0668f5b9c526ecf571b45ab0a2ae4c33b0c

SHA512
c5af4efa055669dff6ae665ade37f606d78f91be26033a4bf495f6211c1f4c9e9bb95aee804789517f9870f122e5a66972fa395d5851f971832a9e994b48d205

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

Filesize
325KB

MD5
05bfe417ee4f03f5b676bc18178c7bd3

SHA1
af90adcc4cfb084ede69230085ee9921d6349c88

SHA256
bd2ac3b25a348dc3c3d06c0278d4d0668f5b9c526ecf571b45ab0a2ae4c33b0c

SHA512
c5af4efa055669dff6ae665ade37f606d78f91be26033a4bf495f6211c1f4c9e9bb95aee804789517f9870f122e5a66972fa395d5851f971832a9e994b48d205

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

Filesize
325KB

MD5
05bfe417ee4f03f5b676bc18178c7bd3

SHA1
af90adcc4cfb084ede69230085ee9921d6349c88

SHA256
bd2ac3b25a348dc3c3d06c0278d4d0668f5b9c526ecf571b45ab0a2ae4c33b0c

SHA512
c5af4efa055669dff6ae665ade37f606d78f91be26033a4bf495f6211c1f4c9e9bb95aee804789517f9870f122e5a66972fa395d5851f971832a9e994b48d205

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

Filesize
325KB

MD5
05bfe417ee4f03f5b676bc18178c7bd3

SHA1
af90adcc4cfb084ede69230085ee9921d6349c88

SHA256
bd2ac3b25a348dc3c3d06c0278d4d0668f5b9c526ecf571b45ab0a2ae4c33b0c

SHA512
c5af4efa055669dff6ae665ade37f606d78f91be26033a4bf495f6211c1f4c9e9bb95aee804789517f9870f122e5a66972fa395d5851f971832a9e994b48d205

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

Filesize
325KB

MD5
05bfe417ee4f03f5b676bc18178c7bd3

SHA1
af90adcc4cfb084ede69230085ee9921d6349c88

SHA256
bd2ac3b25a348dc3c3d06c0278d4d0668f5b9c526ecf571b45ab0a2ae4c33b0c

SHA512
c5af4efa055669dff6ae665ade37f606d78f91be26033a4bf495f6211c1f4c9e9bb95aee804789517f9870f122e5a66972fa395d5851f971832a9e994b48d205

Download Submit
memory/808-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/808-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/808-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1204-136-0x0000000004DE0000-0x0000000004DFE000-memory.dmp

Filesize
120KB

Download
memory/1204-132-0x00000000003B0000-0x0000000000406000-memory.dmp

Filesize
344KB

Download
memory/1204-135-0x0000000007390000-0x0000000007406000-memory.dmp

Filesize
472KB

Download
memory/1204-134-0x0000000007430000-0x00000000074C2000-memory.dmp

Filesize
584KB

Download
memory/1204-133-0x0000000007940000-0x0000000007EE4000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads