551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1

Analysis

max time kernel
143s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
03/11/2022, 12:48

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General

Target

551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe
Size

327KB
MD5

a08adf736df60f3fe38a4d53d2e1bd76
SHA1

8cedb1a4aa2461699169c8be3f8bbaa8d77b98e9
SHA256

551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1
SHA512

b533b2b2647151021a16806faed5d721a61be668ebd35b3f2a793ec93332a374fa1abc442b7318db7fec227483b7fb36e983f306d3427e95ae3ee054d6446284
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 6 IoCs

pid	Process
1604	oobeldr.exe
4968	oobeldr.exe
2264	oobeldr.exe
4604	oobeldr.exe
1108	oobeldr.exe
2172	oobeldr.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 4872	2700	551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe	66
PID 1604 set thread context of 4968	1604	oobeldr.exe	70
PID 2264 set thread context of 4604	2264	oobeldr.exe	74
PID 1108 set thread context of 2172	1108	oobeldr.exe	78

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4176	4968	WerFault.exe	70

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
928	schtasks.exe
3136	schtasks.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 4872	2700	551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe	66
PID 2700 wrote to memory of 4872	2700	551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe	66
PID 2700 wrote to memory of 4872	2700	551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe	66
PID 2700 wrote to memory of 4872	2700	551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe	66
PID 2700 wrote to memory of 4872	2700	551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe	66
PID 2700 wrote to memory of 4872	2700	551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe	66
PID 2700 wrote to memory of 4872	2700	551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe	66
PID 2700 wrote to memory of 4872	2700	551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe	66
PID 2700 wrote to memory of 4872	2700	551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe	66
PID 4872 wrote to memory of 928	4872	551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe	67
PID 4872 wrote to memory of 928	4872	551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe	67
PID 4872 wrote to memory of 928	4872	551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe	67
PID 1604 wrote to memory of 4968	1604	oobeldr.exe	70
PID 1604 wrote to memory of 4968	1604	oobeldr.exe	70
PID 1604 wrote to memory of 4968	1604	oobeldr.exe	70
PID 1604 wrote to memory of 4968	1604	oobeldr.exe	70
PID 1604 wrote to memory of 4968	1604	oobeldr.exe	70
PID 1604 wrote to memory of 4968	1604	oobeldr.exe	70
PID 1604 wrote to memory of 4968	1604	oobeldr.exe	70
PID 1604 wrote to memory of 4968	1604	oobeldr.exe	70
PID 1604 wrote to memory of 4968	1604	oobeldr.exe	70
PID 2264 wrote to memory of 4604	2264	oobeldr.exe	74
PID 2264 wrote to memory of 4604	2264	oobeldr.exe	74
PID 2264 wrote to memory of 4604	2264	oobeldr.exe	74
PID 2264 wrote to memory of 4604	2264	oobeldr.exe	74
PID 2264 wrote to memory of 4604	2264	oobeldr.exe	74
PID 2264 wrote to memory of 4604	2264	oobeldr.exe	74
PID 2264 wrote to memory of 4604	2264	oobeldr.exe	74
PID 2264 wrote to memory of 4604	2264	oobeldr.exe	74
PID 2264 wrote to memory of 4604	2264	oobeldr.exe	74
PID 4604 wrote to memory of 3136	4604	oobeldr.exe	75
PID 4604 wrote to memory of 3136	4604	oobeldr.exe	75
PID 4604 wrote to memory of 3136	4604	oobeldr.exe	75
PID 1108 wrote to memory of 2172	1108	oobeldr.exe	78
PID 1108 wrote to memory of 2172	1108	oobeldr.exe	78
PID 1108 wrote to memory of 2172	1108	oobeldr.exe	78
PID 1108 wrote to memory of 2172	1108	oobeldr.exe	78
PID 1108 wrote to memory of 2172	1108	oobeldr.exe	78
PID 1108 wrote to memory of 2172	1108	oobeldr.exe	78
PID 1108 wrote to memory of 2172	1108	oobeldr.exe	78
PID 1108 wrote to memory of 2172	1108	oobeldr.exe	78
PID 1108 wrote to memory of 2172	1108	oobeldr.exe	78

C:\Users\Admin\AppData\Local\Temp\551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe
"C:\Users\Admin\AppData\Local\Temp\551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Users\Admin\AppData\Local\Temp\551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe
  C:\Users\Admin\AppData\Local\Temp\551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4872
- - 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:928

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:1604
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4968
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4968 -s 24
    3⤵
    - Program crash
    PID:4176

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:2264
- 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:4604
- - 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:3136

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:1108
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2172

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
db5ef8d7c51bad129d9097bf953e4913

SHA1
8439db960aa2d431bf5ec3c37af775b45eb07e06

SHA256
1248e67f10b47b397af3c8cbe342bad4be75c68b8e10f4ec6341195cc3138bd9

SHA512
04572485790b25e1751347e43b47174051cd153dd75fd55ee5590d25a2579f344cd96cf86cf45bdb7759e3e6d0f734d0ff717148ca70f501b9869e964e036fee

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

Filesize
327KB

MD5
a08adf736df60f3fe38a4d53d2e1bd76

SHA1
8cedb1a4aa2461699169c8be3f8bbaa8d77b98e9

SHA256
551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1

SHA512
b533b2b2647151021a16806faed5d721a61be668ebd35b3f2a793ec93332a374fa1abc442b7318db7fec227483b7fb36e983f306d3427e95ae3ee054d6446284

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

Filesize
327KB

MD5
a08adf736df60f3fe38a4d53d2e1bd76

SHA1
8cedb1a4aa2461699169c8be3f8bbaa8d77b98e9

SHA256
551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1

SHA512
b533b2b2647151021a16806faed5d721a61be668ebd35b3f2a793ec93332a374fa1abc442b7318db7fec227483b7fb36e983f306d3427e95ae3ee054d6446284

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

Filesize
327KB

MD5
a08adf736df60f3fe38a4d53d2e1bd76

SHA1
8cedb1a4aa2461699169c8be3f8bbaa8d77b98e9

SHA256
551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1

SHA512
b533b2b2647151021a16806faed5d721a61be668ebd35b3f2a793ec93332a374fa1abc442b7318db7fec227483b7fb36e983f306d3427e95ae3ee054d6446284

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

Filesize
327KB

MD5
a08adf736df60f3fe38a4d53d2e1bd76

SHA1
8cedb1a4aa2461699169c8be3f8bbaa8d77b98e9

SHA256
551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1

SHA512
b533b2b2647151021a16806faed5d721a61be668ebd35b3f2a793ec93332a374fa1abc442b7318db7fec227483b7fb36e983f306d3427e95ae3ee054d6446284

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

Filesize
327KB

MD5
a08adf736df60f3fe38a4d53d2e1bd76

SHA1
8cedb1a4aa2461699169c8be3f8bbaa8d77b98e9

SHA256
551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1

SHA512
b533b2b2647151021a16806faed5d721a61be668ebd35b3f2a793ec93332a374fa1abc442b7318db7fec227483b7fb36e983f306d3427e95ae3ee054d6446284

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

Filesize
327KB

MD5
a08adf736df60f3fe38a4d53d2e1bd76

SHA1
8cedb1a4aa2461699169c8be3f8bbaa8d77b98e9

SHA256
551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1

SHA512
b533b2b2647151021a16806faed5d721a61be668ebd35b3f2a793ec93332a374fa1abc442b7318db7fec227483b7fb36e983f306d3427e95ae3ee054d6446284

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

Filesize
327KB

MD5
a08adf736df60f3fe38a4d53d2e1bd76

SHA1
8cedb1a4aa2461699169c8be3f8bbaa8d77b98e9

SHA256
551d11f88f2456dcd835b4450c2bbd3b9bc584072ef0c8ffba7f1414a76a7ce1

SHA512
b533b2b2647151021a16806faed5d721a61be668ebd35b3f2a793ec93332a374fa1abc442b7318db7fec227483b7fb36e983f306d3427e95ae3ee054d6446284

Download Submit
memory/2700-154-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-159-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-124-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-125-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-126-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-127-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-128-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-129-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-130-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-131-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-132-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-133-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-134-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-135-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-136-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-137-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-138-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-139-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-140-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-141-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-142-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-143-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-144-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-145-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-146-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-147-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-148-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-149-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-150-0x0000000000750000-0x00000000007A6000-memory.dmp

Filesize
344KB

Download
memory/2700-151-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-152-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-153-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-122-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-155-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-156-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-157-0x0000000007510000-0x00000000075DC000-memory.dmp

Filesize
816KB

Download
memory/2700-158-0x0000000007AE0000-0x0000000007FDE000-memory.dmp

Filesize
5.0MB

Download
memory/2700-123-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-160-0x00000000075E0000-0x0000000007672000-memory.dmp

Filesize
584KB

Download
memory/2700-161-0x0000000002B60000-0x0000000002B66000-memory.dmp

Filesize
24KB

Download
memory/2700-162-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-163-0x0000000007880000-0x00000000078F6000-memory.dmp

Filesize
472KB

Download
memory/2700-164-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-165-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-166-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-167-0x0000000005000000-0x000000000501E000-memory.dmp

Filesize
120KB

Download
memory/2700-168-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-169-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-170-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-171-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-172-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-173-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-178-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-116-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-117-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-118-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-119-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-120-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/2700-121-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4872-186-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4872-179-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4872-180-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4872-187-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4872-228-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4872-174-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4872-182-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4872-185-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4872-184-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4872-177-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4872-183-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4872-176-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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