3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141

Analysis

max time kernel
124s
max time network
62s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
02/11/2022, 18:26

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General

Target

3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe
Size

327KB
MD5

a77dcae09ed95369528b038cc5e2cfba
SHA1

0733cb24aca9f6c58466064fb6409258d7da41c1
SHA256

3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141
SHA512

0f21faec75aaa4dd2e4326287964cd3c37d9ee2ea50b55f4103c7f96fe203959664a87fbc41bc35ec53d100e8b5630b1c197ed4de9a1b59ae7cc913950f11977
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1512	oobeldr.exe
3212	oobeldr.exe
4200	oobeldr.exe
3108	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2204 set thread context of 3696	2204	3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe	66
PID 1512 set thread context of 3212	1512	oobeldr.exe	70
PID 4200 set thread context of 3108	4200	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
2220	schtasks.exe
3700	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 3696	2204	3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe	66
PID 2204 wrote to memory of 3696	2204	3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe	66
PID 2204 wrote to memory of 3696	2204	3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe	66
PID 2204 wrote to memory of 3696	2204	3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe	66
PID 2204 wrote to memory of 3696	2204	3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe	66
PID 2204 wrote to memory of 3696	2204	3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe	66
PID 2204 wrote to memory of 3696	2204	3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe	66
PID 2204 wrote to memory of 3696	2204	3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe	66
PID 2204 wrote to memory of 3696	2204	3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe	66
PID 3696 wrote to memory of 2220	3696	3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe	67
PID 3696 wrote to memory of 2220	3696	3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe	67
PID 3696 wrote to memory of 2220	3696	3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe	67
PID 1512 wrote to memory of 3212	1512	oobeldr.exe	70
PID 1512 wrote to memory of 3212	1512	oobeldr.exe	70
PID 1512 wrote to memory of 3212	1512	oobeldr.exe	70
PID 1512 wrote to memory of 3212	1512	oobeldr.exe	70
PID 1512 wrote to memory of 3212	1512	oobeldr.exe	70
PID 1512 wrote to memory of 3212	1512	oobeldr.exe	70
PID 1512 wrote to memory of 3212	1512	oobeldr.exe	70
PID 1512 wrote to memory of 3212	1512	oobeldr.exe	70
PID 1512 wrote to memory of 3212	1512	oobeldr.exe	70
PID 3212 wrote to memory of 3700	3212	oobeldr.exe	71
PID 3212 wrote to memory of 3700	3212	oobeldr.exe	71
PID 3212 wrote to memory of 3700	3212	oobeldr.exe	71
PID 4200 wrote to memory of 3108	4200	oobeldr.exe	74
PID 4200 wrote to memory of 3108	4200	oobeldr.exe	74
PID 4200 wrote to memory of 3108	4200	oobeldr.exe	74
PID 4200 wrote to memory of 3108	4200	oobeldr.exe	74
PID 4200 wrote to memory of 3108	4200	oobeldr.exe	74
PID 4200 wrote to memory of 3108	4200	oobeldr.exe	74
PID 4200 wrote to memory of 3108	4200	oobeldr.exe	74
PID 4200 wrote to memory of 3108	4200	oobeldr.exe	74
PID 4200 wrote to memory of 3108	4200	oobeldr.exe	74

C:\Users\Admin\AppData\Local\Temp\3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe
"C:\Users\Admin\AppData\Local\Temp\3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Local\Temp\3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe
  C:\Users\Admin\AppData\Local\Temp\3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3696
- - 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:2220

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:1512
- 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:3212
- - 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:3700

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:4200
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3108

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
a77dcae09ed95369528b038cc5e2cfba

SHA1
0733cb24aca9f6c58466064fb6409258d7da41c1

SHA256
3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141

SHA512
0f21faec75aaa4dd2e4326287964cd3c37d9ee2ea50b55f4103c7f96fe203959664a87fbc41bc35ec53d100e8b5630b1c197ed4de9a1b59ae7cc913950f11977

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

Filesize
327KB

MD5
a77dcae09ed95369528b038cc5e2cfba

SHA1
0733cb24aca9f6c58466064fb6409258d7da41c1

SHA256
3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141

SHA512
0f21faec75aaa4dd2e4326287964cd3c37d9ee2ea50b55f4103c7f96fe203959664a87fbc41bc35ec53d100e8b5630b1c197ed4de9a1b59ae7cc913950f11977

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

Filesize
327KB

MD5
a77dcae09ed95369528b038cc5e2cfba

SHA1
0733cb24aca9f6c58466064fb6409258d7da41c1

SHA256
3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141

SHA512
0f21faec75aaa4dd2e4326287964cd3c37d9ee2ea50b55f4103c7f96fe203959664a87fbc41bc35ec53d100e8b5630b1c197ed4de9a1b59ae7cc913950f11977

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

Filesize
327KB

MD5
a77dcae09ed95369528b038cc5e2cfba

SHA1
0733cb24aca9f6c58466064fb6409258d7da41c1

SHA256
3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141

SHA512
0f21faec75aaa4dd2e4326287964cd3c37d9ee2ea50b55f4103c7f96fe203959664a87fbc41bc35ec53d100e8b5630b1c197ed4de9a1b59ae7cc913950f11977

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

Filesize
327KB

MD5
a77dcae09ed95369528b038cc5e2cfba

SHA1
0733cb24aca9f6c58466064fb6409258d7da41c1

SHA256
3fbc8f4c2b6bdeac2fac02c24ea035642320899db1e6d80aa877de7cce472141

SHA512
0f21faec75aaa4dd2e4326287964cd3c37d9ee2ea50b55f4103c7f96fe203959664a87fbc41bc35ec53d100e8b5630b1c197ed4de9a1b59ae7cc913950f11977

Download Submit
memory/2204-158-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-171-0x0000000005360000-0x000000000537E000-memory.dmp

Filesize
120KB

Download
memory/2204-126-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-127-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-128-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-129-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-130-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-131-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-132-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-133-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-134-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-135-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-160-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-137-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-138-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-139-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-140-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-141-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-142-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-143-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-144-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-145-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-146-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-147-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-148-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-149-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-150-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-151-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-152-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-153-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-154-0x0000000000AC0000-0x0000000000B16000-memory.dmp

Filesize
344KB

Download
memory/2204-155-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-156-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-157-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-124-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-159-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-136-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-125-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-176-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-163-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-164-0x00000000078F0000-0x0000000007982000-memory.dmp

Filesize
584KB

Download
memory/2204-165-0x0000000005310000-0x0000000005316000-memory.dmp

Filesize
24KB

Download
memory/2204-166-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-167-0x0000000007C10000-0x0000000007C86000-memory.dmp

Filesize
472KB

Download
memory/2204-168-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-169-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-170-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-161-0x0000000005390000-0x000000000545C000-memory.dmp

Filesize
816KB

Download
memory/2204-172-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-173-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-174-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-175-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-162-0x0000000007DF0000-0x00000000082EE000-memory.dmp

Filesize
5.0MB

Download
memory/2204-177-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-184-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-120-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-121-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-122-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/2204-123-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/3696-190-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/3696-191-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/3696-187-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/3696-188-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/3696-180-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/3696-189-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/3696-186-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/3696-215-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3696-181-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/3696-178-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3696-183-0x0000000077540000-0x00000000776CE000-memory.dmp

Filesize
1.6MB

Download
memory/3696-182-0x0000000077540000-0x00000000776CE000-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