4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5

Analysis

max time kernel
154s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2022, 19:35

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General

Target

4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe
Size

321KB
MD5

20f9f76ec456b7fb1c9e7d6eaf1efc95
SHA1

cb484216a46fccaf882aced697071de667b6d8e3
SHA256

4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5
SHA512

52ac285f2ca925a5cf2f5c3f0a845749b5953ff8bbc2dbf06d700420e9a18ecc1e250ed439af7dad8b78b7600eab47a8769641f108dc1b21ba27d723b5e6186c
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
2064	oobeldr.exe
3380	oobeldr.exe
4428	oobeldr.exe
3672	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1640 set thread context of 4564	1640	4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe	80
PID 2064 set thread context of 3380	2064	oobeldr.exe	90
PID 4428 set thread context of 3672	4428	oobeldr.exe	94

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
3396	schtasks.exe
3796	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 4564	1640	4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe	80
PID 1640 wrote to memory of 4564	1640	4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe	80
PID 1640 wrote to memory of 4564	1640	4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe	80
PID 1640 wrote to memory of 4564	1640	4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe	80
PID 1640 wrote to memory of 4564	1640	4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe	80
PID 1640 wrote to memory of 4564	1640	4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe	80
PID 1640 wrote to memory of 4564	1640	4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe	80
PID 1640 wrote to memory of 4564	1640	4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe	80
PID 1640 wrote to memory of 4564	1640	4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe	80
PID 4564 wrote to memory of 3396	4564	4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe	81
PID 4564 wrote to memory of 3396	4564	4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe	81
PID 4564 wrote to memory of 3396	4564	4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe	81
PID 2064 wrote to memory of 3380	2064	oobeldr.exe	90
PID 2064 wrote to memory of 3380	2064	oobeldr.exe	90
PID 2064 wrote to memory of 3380	2064	oobeldr.exe	90
PID 2064 wrote to memory of 3380	2064	oobeldr.exe	90
PID 2064 wrote to memory of 3380	2064	oobeldr.exe	90
PID 2064 wrote to memory of 3380	2064	oobeldr.exe	90
PID 2064 wrote to memory of 3380	2064	oobeldr.exe	90
PID 2064 wrote to memory of 3380	2064	oobeldr.exe	90
PID 2064 wrote to memory of 3380	2064	oobeldr.exe	90
PID 3380 wrote to memory of 3796	3380	oobeldr.exe	91
PID 3380 wrote to memory of 3796	3380	oobeldr.exe	91
PID 3380 wrote to memory of 3796	3380	oobeldr.exe	91
PID 4428 wrote to memory of 3672	4428	oobeldr.exe	94
PID 4428 wrote to memory of 3672	4428	oobeldr.exe	94
PID 4428 wrote to memory of 3672	4428	oobeldr.exe	94
PID 4428 wrote to memory of 3672	4428	oobeldr.exe	94
PID 4428 wrote to memory of 3672	4428	oobeldr.exe	94
PID 4428 wrote to memory of 3672	4428	oobeldr.exe	94
PID 4428 wrote to memory of 3672	4428	oobeldr.exe	94
PID 4428 wrote to memory of 3672	4428	oobeldr.exe	94
PID 4428 wrote to memory of 3672	4428	oobeldr.exe	94

C:\Users\Admin\AppData\Local\Temp\4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe
"C:\Users\Admin\AppData\Local\Temp\4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Users\Admin\AppData\Local\Temp\4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe
  C:\Users\Admin\AppData\Local\Temp\4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4564
- - 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:3396

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:2064
- 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:3380
- - 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:3796

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:4428
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3672

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
321KB

MD5
20f9f76ec456b7fb1c9e7d6eaf1efc95

SHA1
cb484216a46fccaf882aced697071de667b6d8e3

SHA256
4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5

SHA512
52ac285f2ca925a5cf2f5c3f0a845749b5953ff8bbc2dbf06d700420e9a18ecc1e250ed439af7dad8b78b7600eab47a8769641f108dc1b21ba27d723b5e6186c

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

Filesize
321KB

MD5
20f9f76ec456b7fb1c9e7d6eaf1efc95

SHA1
cb484216a46fccaf882aced697071de667b6d8e3

SHA256
4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5

SHA512
52ac285f2ca925a5cf2f5c3f0a845749b5953ff8bbc2dbf06d700420e9a18ecc1e250ed439af7dad8b78b7600eab47a8769641f108dc1b21ba27d723b5e6186c

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

Filesize
321KB

MD5
20f9f76ec456b7fb1c9e7d6eaf1efc95

SHA1
cb484216a46fccaf882aced697071de667b6d8e3

SHA256
4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5

SHA512
52ac285f2ca925a5cf2f5c3f0a845749b5953ff8bbc2dbf06d700420e9a18ecc1e250ed439af7dad8b78b7600eab47a8769641f108dc1b21ba27d723b5e6186c

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

Filesize
321KB

MD5
20f9f76ec456b7fb1c9e7d6eaf1efc95

SHA1
cb484216a46fccaf882aced697071de667b6d8e3

SHA256
4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5

SHA512
52ac285f2ca925a5cf2f5c3f0a845749b5953ff8bbc2dbf06d700420e9a18ecc1e250ed439af7dad8b78b7600eab47a8769641f108dc1b21ba27d723b5e6186c

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

Filesize
321KB

MD5
20f9f76ec456b7fb1c9e7d6eaf1efc95

SHA1
cb484216a46fccaf882aced697071de667b6d8e3

SHA256
4191e7ec5737f7a32c8b387a681ac272a2a7a8ffe0bf1ba2f220eef2064f18e5

SHA512
52ac285f2ca925a5cf2f5c3f0a845749b5953ff8bbc2dbf06d700420e9a18ecc1e250ed439af7dad8b78b7600eab47a8769641f108dc1b21ba27d723b5e6186c

Download Submit
memory/1640-133-0x0000000007B50000-0x00000000080F4000-memory.dmp

Filesize
5.6MB

Download
memory/1640-134-0x0000000007680000-0x0000000007712000-memory.dmp

Filesize
584KB

Download
memory/1640-135-0x0000000007920000-0x0000000007996000-memory.dmp

Filesize
472KB

Download
memory/1640-136-0x0000000005250000-0x000000000526E000-memory.dmp

Filesize
120KB

Download
memory/1640-132-0x00000000006B0000-0x0000000000706000-memory.dmp

Filesize
344KB

Download
memory/4564-141-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4564-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4564-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads