658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15

Analysis

max time kernel
125s
max time network
129s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
02/11/2022, 06:16

Sharing

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General

Target

658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe
Size

326KB
MD5

831a3a55aac03c5e9c4e3f876c6cf9b0
SHA1

9ab06b079fad8fa0714e1da7dab8a969a4297347
SHA256

658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15
SHA512

a0c89b6831162e83f04b638f95f440f10c40aee65d67a92fe9e642fb96386a96583d3517ae73493a3044a349ca9ccd664277082cb73071e11fc6dc0e3c108f41
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3704	oobeldr.exe
4928	oobeldr.exe
4376	oobeldr.exe
1084	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2368	2764	658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe	66
PID 3704 set thread context of 4928	3704	oobeldr.exe	70
PID 4376 set thread context of 1084	4376	oobeldr.exe	74

Program crash 1 IoCs

pid	pid_target	Process	procid_target
160	1084	WerFault.exe	74

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
4572	schtasks.exe
4356	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 2368	2764	658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe	66
PID 2764 wrote to memory of 2368	2764	658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe	66
PID 2764 wrote to memory of 2368	2764	658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe	66
PID 2764 wrote to memory of 2368	2764	658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe	66
PID 2764 wrote to memory of 2368	2764	658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe	66
PID 2764 wrote to memory of 2368	2764	658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe	66
PID 2764 wrote to memory of 2368	2764	658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe	66
PID 2764 wrote to memory of 2368	2764	658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe	66
PID 2764 wrote to memory of 2368	2764	658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe	66
PID 2368 wrote to memory of 4356	2368	658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe	67
PID 2368 wrote to memory of 4356	2368	658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe	67
PID 2368 wrote to memory of 4356	2368	658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe	67
PID 3704 wrote to memory of 4928	3704	oobeldr.exe	70
PID 3704 wrote to memory of 4928	3704	oobeldr.exe	70
PID 3704 wrote to memory of 4928	3704	oobeldr.exe	70
PID 3704 wrote to memory of 4928	3704	oobeldr.exe	70
PID 3704 wrote to memory of 4928	3704	oobeldr.exe	70
PID 3704 wrote to memory of 4928	3704	oobeldr.exe	70
PID 3704 wrote to memory of 4928	3704	oobeldr.exe	70
PID 3704 wrote to memory of 4928	3704	oobeldr.exe	70
PID 3704 wrote to memory of 4928	3704	oobeldr.exe	70
PID 4928 wrote to memory of 4572	4928	oobeldr.exe	71
PID 4928 wrote to memory of 4572	4928	oobeldr.exe	71
PID 4928 wrote to memory of 4572	4928	oobeldr.exe	71
PID 4376 wrote to memory of 1084	4376	oobeldr.exe	74
PID 4376 wrote to memory of 1084	4376	oobeldr.exe	74
PID 4376 wrote to memory of 1084	4376	oobeldr.exe	74
PID 4376 wrote to memory of 1084	4376	oobeldr.exe	74
PID 4376 wrote to memory of 1084	4376	oobeldr.exe	74
PID 4376 wrote to memory of 1084	4376	oobeldr.exe	74
PID 4376 wrote to memory of 1084	4376	oobeldr.exe	74
PID 4376 wrote to memory of 1084	4376	oobeldr.exe	74
PID 4376 wrote to memory of 1084	4376	oobeldr.exe	74

C:\Users\Admin\AppData\Local\Temp\658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe
"C:\Users\Admin\AppData\Local\Temp\658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2764
- C:\Users\Admin\AppData\Local\Temp\658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe
  C:\Users\Admin\AppData\Local\Temp\658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2368
- - 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:4356

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:3704
- 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:4928
- - 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:4572

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:4376
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1084 -s 152
    3⤵
    - Program crash
    PID:160

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
326KB

MD5
831a3a55aac03c5e9c4e3f876c6cf9b0

SHA1
9ab06b079fad8fa0714e1da7dab8a969a4297347

SHA256
658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15

SHA512
a0c89b6831162e83f04b638f95f440f10c40aee65d67a92fe9e642fb96386a96583d3517ae73493a3044a349ca9ccd664277082cb73071e11fc6dc0e3c108f41

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

Filesize
326KB

MD5
831a3a55aac03c5e9c4e3f876c6cf9b0

SHA1
9ab06b079fad8fa0714e1da7dab8a969a4297347

SHA256
658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15

SHA512
a0c89b6831162e83f04b638f95f440f10c40aee65d67a92fe9e642fb96386a96583d3517ae73493a3044a349ca9ccd664277082cb73071e11fc6dc0e3c108f41

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

Filesize
326KB

MD5
831a3a55aac03c5e9c4e3f876c6cf9b0

SHA1
9ab06b079fad8fa0714e1da7dab8a969a4297347

SHA256
658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15

SHA512
a0c89b6831162e83f04b638f95f440f10c40aee65d67a92fe9e642fb96386a96583d3517ae73493a3044a349ca9ccd664277082cb73071e11fc6dc0e3c108f41

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

Filesize
326KB

MD5
831a3a55aac03c5e9c4e3f876c6cf9b0

SHA1
9ab06b079fad8fa0714e1da7dab8a969a4297347

SHA256
658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15

SHA512
a0c89b6831162e83f04b638f95f440f10c40aee65d67a92fe9e642fb96386a96583d3517ae73493a3044a349ca9ccd664277082cb73071e11fc6dc0e3c108f41

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

Filesize
326KB

MD5
831a3a55aac03c5e9c4e3f876c6cf9b0

SHA1
9ab06b079fad8fa0714e1da7dab8a969a4297347

SHA256
658c56eb27ab5814e99fea0ac6303c74783f09633301deadb66d62a7f7b53d15

SHA512
a0c89b6831162e83f04b638f95f440f10c40aee65d67a92fe9e642fb96386a96583d3517ae73493a3044a349ca9ccd664277082cb73071e11fc6dc0e3c108f41

Download Submit
memory/2368-191-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2368-232-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2368-187-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2368-178-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2368-190-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2368-189-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2368-188-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2368-186-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2368-184-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2368-182-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2368-181-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2368-180-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-140-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-171-0x0000000007200000-0x000000000721E000-memory.dmp

Filesize
120KB

Download
memory/2764-143-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-142-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-144-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-145-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-146-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-147-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-148-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-149-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-150-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-151-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-152-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-153-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-154-0x00000000002B0000-0x0000000000306000-memory.dmp

Filesize
344KB

Download
memory/2764-155-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-156-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-157-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-158-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-159-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-160-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-161-0x00000000070C0000-0x000000000718C000-memory.dmp

Filesize
816KB

Download
memory/2764-162-0x0000000007690000-0x0000000007B8E000-memory.dmp

Filesize
5.0MB

Download
memory/2764-163-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-164-0x0000000007230000-0x00000000072C2000-memory.dmp

Filesize
584KB

Download
memory/2764-165-0x00000000071B0000-0x00000000071B6000-memory.dmp

Filesize
24KB

Download
memory/2764-166-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-167-0x0000000007550000-0x00000000075C6000-memory.dmp

Filesize
472KB

Download
memory/2764-168-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-169-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-170-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-141-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-172-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-173-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-174-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-175-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-176-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-177-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-120-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-139-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-138-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-137-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-136-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-135-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-183-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-133-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-134-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-132-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-131-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-130-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-129-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-121-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-128-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-127-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-126-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-122-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-125-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-123-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2764-124-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads