4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d

Analysis

max time kernel
145s
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
01/11/2022, 04:47

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General

Target

4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe
Size

323KB
MD5

8ad54b23063fd3ff4767b0bc21193670
SHA1

78a18d4d5428a0bb3957e4e89e6abc54ae83a708
SHA256

4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d
SHA512

eb6680caa8bd91b6cd23ef9ba6d86092d10c6c6f2f3e6144e10be29fdb0492804424f8e8046ada2513171e1599a888b775c2b299b436f3e26723f7c439baf57f
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1604	oobeldr.exe
4968	oobeldr.exe
4976	oobeldr.exe
3136	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 4844	2700	4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe	66
PID 1604 set thread context of 4968	1604	oobeldr.exe	70
PID 4976 set thread context of 3136	4976	oobeldr.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
4432	schtasks.exe
4296	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 4844	2700	4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe	66
PID 2700 wrote to memory of 4844	2700	4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe	66
PID 2700 wrote to memory of 4844	2700	4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe	66
PID 2700 wrote to memory of 4844	2700	4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe	66
PID 2700 wrote to memory of 4844	2700	4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe	66
PID 2700 wrote to memory of 4844	2700	4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe	66
PID 2700 wrote to memory of 4844	2700	4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe	66
PID 2700 wrote to memory of 4844	2700	4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe	66
PID 2700 wrote to memory of 4844	2700	4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe	66
PID 4844 wrote to memory of 4432	4844	4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe	67
PID 4844 wrote to memory of 4432	4844	4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe	67
PID 4844 wrote to memory of 4432	4844	4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.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 4968 wrote to memory of 4296	4968	oobeldr.exe	71
PID 4968 wrote to memory of 4296	4968	oobeldr.exe	71
PID 4968 wrote to memory of 4296	4968	oobeldr.exe	71
PID 4976 wrote to memory of 3136	4976	oobeldr.exe	74
PID 4976 wrote to memory of 3136	4976	oobeldr.exe	74
PID 4976 wrote to memory of 3136	4976	oobeldr.exe	74
PID 4976 wrote to memory of 3136	4976	oobeldr.exe	74
PID 4976 wrote to memory of 3136	4976	oobeldr.exe	74
PID 4976 wrote to memory of 3136	4976	oobeldr.exe	74
PID 4976 wrote to memory of 3136	4976	oobeldr.exe	74
PID 4976 wrote to memory of 3136	4976	oobeldr.exe	74
PID 4976 wrote to memory of 3136	4976	oobeldr.exe	74

C:\Users\Admin\AppData\Local\Temp\4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe
"C:\Users\Admin\AppData\Local\Temp\4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Users\Admin\AppData\Local\Temp\4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe
  C:\Users\Admin\AppData\Local\Temp\4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4844
- - 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:4432

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
  - Suspicious use of WriteProcessMemory
  PID:4968
- - 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:4296

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:4976
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3136

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
323KB

MD5
8ad54b23063fd3ff4767b0bc21193670

SHA1
78a18d4d5428a0bb3957e4e89e6abc54ae83a708

SHA256
4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d

SHA512
eb6680caa8bd91b6cd23ef9ba6d86092d10c6c6f2f3e6144e10be29fdb0492804424f8e8046ada2513171e1599a888b775c2b299b436f3e26723f7c439baf57f

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

Filesize
323KB

MD5
8ad54b23063fd3ff4767b0bc21193670

SHA1
78a18d4d5428a0bb3957e4e89e6abc54ae83a708

SHA256
4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d

SHA512
eb6680caa8bd91b6cd23ef9ba6d86092d10c6c6f2f3e6144e10be29fdb0492804424f8e8046ada2513171e1599a888b775c2b299b436f3e26723f7c439baf57f

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

Filesize
323KB

MD5
8ad54b23063fd3ff4767b0bc21193670

SHA1
78a18d4d5428a0bb3957e4e89e6abc54ae83a708

SHA256
4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d

SHA512
eb6680caa8bd91b6cd23ef9ba6d86092d10c6c6f2f3e6144e10be29fdb0492804424f8e8046ada2513171e1599a888b775c2b299b436f3e26723f7c439baf57f

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

Filesize
323KB

MD5
8ad54b23063fd3ff4767b0bc21193670

SHA1
78a18d4d5428a0bb3957e4e89e6abc54ae83a708

SHA256
4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d

SHA512
eb6680caa8bd91b6cd23ef9ba6d86092d10c6c6f2f3e6144e10be29fdb0492804424f8e8046ada2513171e1599a888b775c2b299b436f3e26723f7c439baf57f

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

Filesize
323KB

MD5
8ad54b23063fd3ff4767b0bc21193670

SHA1
78a18d4d5428a0bb3957e4e89e6abc54ae83a708

SHA256
4a927e8f8602860ab3bb3b38855c4a4052f8945a020454d2e97b2de70c2bd71d

SHA512
eb6680caa8bd91b6cd23ef9ba6d86092d10c6c6f2f3e6144e10be29fdb0492804424f8e8046ada2513171e1599a888b775c2b299b436f3e26723f7c439baf57f

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

Filesize
1.6MB

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

Filesize
1.6MB

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

Filesize
1.6MB

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

Filesize
1.6MB

Download
memory/2700-123-0x0000000077A60000-0x0000000077BEE000-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/2700-156-0x0000000077A60000-0x0000000077BEE000-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/2700-138-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

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

Filesize
1.6MB

Download
memory/2700-136-0x0000000077A60000-0x0000000077BEE000-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/2700-152-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

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

Filesize
1.6MB

Download
memory/2700-150-0x0000000000550000-0x00000000005A6000-memory.dmp

Filesize
344KB

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

Filesize
1.6MB

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

Filesize
1.6MB

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

Filesize
1.6MB

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

Filesize
1.6MB

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

Filesize
1.6MB

Download
memory/2700-158-0x0000000007810000-0x0000000007D0E000-memory.dmp

Filesize
5.0MB

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

Filesize
1.6MB

Download
memory/2700-160-0x00000000073F0000-0x0000000007482000-memory.dmp

Filesize
584KB

Download
memory/2700-161-0x0000000004E60000-0x0000000004E66000-memory.dmp

Filesize
24KB

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

Filesize
1.6MB

Download
memory/2700-163-0x0000000007690000-0x0000000007706000-memory.dmp

Filesize
472KB

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

Filesize
1.6MB

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

Filesize
1.6MB

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

Filesize
1.6MB

Download
memory/2700-167-0x0000000007370000-0x000000000738E000-memory.dmp

Filesize
120KB

Download
memory/2700-168-0x0000000077A60000-0x0000000077BEE000-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/2700-157-0x0000000007240000-0x000000000730C000-memory.dmp

Filesize
816KB

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

Filesize
1.6MB

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

Filesize
1.6MB

Download
memory/2700-179-0x0000000077A60000-0x0000000077BEE000-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/4844-174-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4844-228-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4844-183-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4844-182-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4844-178-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4844-180-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4844-177-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4844-185-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4844-186-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4844-176-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4844-187-0x0000000077A60000-0x0000000077BEE000-memory.dmp

Filesize
1.6MB

Download
memory/4844-184-0x0000000077A60000-0x0000000077BEE000-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