8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a

Analysis

max time kernel
149s
max time network
68s
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 20:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe
Size

325KB
MD5

d2144fe70fa043ed4672c9e54185c1db
SHA1

850930ac14114c0a9e109b7e6acc509d8bbef957
SHA256

8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a
SHA512

33122a60519225e6d350e89402a808ab15ec879dfc19b51a1f2f840d600a0b945e25c087acf298a5d9dec0d7b84d63d57538faf44971f34ee8124aa6efadcb3f
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 7 IoCs

pid	Process
4116	oobeldr.exe
3576	oobeldr.exe
1384	oobeldr.exe
4824	oobeldr.exe
3136	oobeldr.exe
1180	oobeldr.exe
1748	oobeldr.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2452 set thread context of 4688	2452	8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe	66
PID 4116 set thread context of 1384	4116	oobeldr.exe	71
PID 4824 set thread context of 3136	4824	oobeldr.exe	75
PID 1180 set thread context of 1748	1180	oobeldr.exe	77

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
4260	schtasks.exe
3184	schtasks.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 4688	2452	8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe	66
PID 2452 wrote to memory of 4688	2452	8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe	66
PID 2452 wrote to memory of 4688	2452	8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe	66
PID 2452 wrote to memory of 4688	2452	8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe	66
PID 2452 wrote to memory of 4688	2452	8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe	66
PID 2452 wrote to memory of 4688	2452	8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe	66
PID 2452 wrote to memory of 4688	2452	8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe	66
PID 2452 wrote to memory of 4688	2452	8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe	66
PID 2452 wrote to memory of 4688	2452	8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe	66
PID 4688 wrote to memory of 4260	4688	8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe	67
PID 4688 wrote to memory of 4260	4688	8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe	67
PID 4688 wrote to memory of 4260	4688	8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe	67
PID 4116 wrote to memory of 3576	4116	oobeldr.exe	70
PID 4116 wrote to memory of 3576	4116	oobeldr.exe	70
PID 4116 wrote to memory of 3576	4116	oobeldr.exe	70
PID 4116 wrote to memory of 1384	4116	oobeldr.exe	71
PID 4116 wrote to memory of 1384	4116	oobeldr.exe	71
PID 4116 wrote to memory of 1384	4116	oobeldr.exe	71
PID 4116 wrote to memory of 1384	4116	oobeldr.exe	71
PID 4116 wrote to memory of 1384	4116	oobeldr.exe	71
PID 4116 wrote to memory of 1384	4116	oobeldr.exe	71
PID 4116 wrote to memory of 1384	4116	oobeldr.exe	71
PID 4116 wrote to memory of 1384	4116	oobeldr.exe	71
PID 4116 wrote to memory of 1384	4116	oobeldr.exe	71
PID 1384 wrote to memory of 3184	1384	oobeldr.exe	72
PID 1384 wrote to memory of 3184	1384	oobeldr.exe	72
PID 1384 wrote to memory of 3184	1384	oobeldr.exe	72
PID 4824 wrote to memory of 3136	4824	oobeldr.exe	75
PID 4824 wrote to memory of 3136	4824	oobeldr.exe	75
PID 4824 wrote to memory of 3136	4824	oobeldr.exe	75
PID 4824 wrote to memory of 3136	4824	oobeldr.exe	75
PID 4824 wrote to memory of 3136	4824	oobeldr.exe	75
PID 4824 wrote to memory of 3136	4824	oobeldr.exe	75
PID 4824 wrote to memory of 3136	4824	oobeldr.exe	75
PID 4824 wrote to memory of 3136	4824	oobeldr.exe	75
PID 4824 wrote to memory of 3136	4824	oobeldr.exe	75
PID 1180 wrote to memory of 1748	1180	oobeldr.exe	77
PID 1180 wrote to memory of 1748	1180	oobeldr.exe	77
PID 1180 wrote to memory of 1748	1180	oobeldr.exe	77
PID 1180 wrote to memory of 1748	1180	oobeldr.exe	77
PID 1180 wrote to memory of 1748	1180	oobeldr.exe	77
PID 1180 wrote to memory of 1748	1180	oobeldr.exe	77
PID 1180 wrote to memory of 1748	1180	oobeldr.exe	77
PID 1180 wrote to memory of 1748	1180	oobeldr.exe	77
PID 1180 wrote to memory of 1748	1180	oobeldr.exe	77

C:\Users\Admin\AppData\Local\Temp\8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe
"C:\Users\Admin\AppData\Local\Temp\8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\Temp\8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe
  C:\Users\Admin\AppData\Local\Temp\8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4688
- - 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:4260

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:4116
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3576
- 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:1384
- - 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:3184

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:4824
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  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:1180
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1748

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

Loading Replay Monitor...

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
325KB

MD5
d2144fe70fa043ed4672c9e54185c1db

SHA1
850930ac14114c0a9e109b7e6acc509d8bbef957

SHA256
8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a

SHA512
33122a60519225e6d350e89402a808ab15ec879dfc19b51a1f2f840d600a0b945e25c087acf298a5d9dec0d7b84d63d57538faf44971f34ee8124aa6efadcb3f

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

Filesize
325KB

MD5
d2144fe70fa043ed4672c9e54185c1db

SHA1
850930ac14114c0a9e109b7e6acc509d8bbef957

SHA256
8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a

SHA512
33122a60519225e6d350e89402a808ab15ec879dfc19b51a1f2f840d600a0b945e25c087acf298a5d9dec0d7b84d63d57538faf44971f34ee8124aa6efadcb3f

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

Filesize
325KB

MD5
d2144fe70fa043ed4672c9e54185c1db

SHA1
850930ac14114c0a9e109b7e6acc509d8bbef957

SHA256
8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a

SHA512
33122a60519225e6d350e89402a808ab15ec879dfc19b51a1f2f840d600a0b945e25c087acf298a5d9dec0d7b84d63d57538faf44971f34ee8124aa6efadcb3f

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

Filesize
325KB

MD5
d2144fe70fa043ed4672c9e54185c1db

SHA1
850930ac14114c0a9e109b7e6acc509d8bbef957

SHA256
8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a

SHA512
33122a60519225e6d350e89402a808ab15ec879dfc19b51a1f2f840d600a0b945e25c087acf298a5d9dec0d7b84d63d57538faf44971f34ee8124aa6efadcb3f

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

Filesize
325KB

MD5
d2144fe70fa043ed4672c9e54185c1db

SHA1
850930ac14114c0a9e109b7e6acc509d8bbef957

SHA256
8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a

SHA512
33122a60519225e6d350e89402a808ab15ec879dfc19b51a1f2f840d600a0b945e25c087acf298a5d9dec0d7b84d63d57538faf44971f34ee8124aa6efadcb3f

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

Filesize
325KB

MD5
d2144fe70fa043ed4672c9e54185c1db

SHA1
850930ac14114c0a9e109b7e6acc509d8bbef957

SHA256
8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a

SHA512
33122a60519225e6d350e89402a808ab15ec879dfc19b51a1f2f840d600a0b945e25c087acf298a5d9dec0d7b84d63d57538faf44971f34ee8124aa6efadcb3f

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

Filesize
325KB

MD5
d2144fe70fa043ed4672c9e54185c1db

SHA1
850930ac14114c0a9e109b7e6acc509d8bbef957

SHA256
8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a

SHA512
33122a60519225e6d350e89402a808ab15ec879dfc19b51a1f2f840d600a0b945e25c087acf298a5d9dec0d7b84d63d57538faf44971f34ee8124aa6efadcb3f

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

Filesize
325KB

MD5
d2144fe70fa043ed4672c9e54185c1db

SHA1
850930ac14114c0a9e109b7e6acc509d8bbef957

SHA256
8b3eb889601a5d7502635818f5743d12bbcfad03ba076e3ce3c2028e7701356a

SHA512
33122a60519225e6d350e89402a808ab15ec879dfc19b51a1f2f840d600a0b945e25c087acf298a5d9dec0d7b84d63d57538faf44971f34ee8124aa6efadcb3f

Download Submit
memory/1384-288-0x0000000000402354-mapping.dmp

Download
memory/1748-482-0x0000000000402354-mapping.dmp

Download
memory/2452-157-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-163-0x0000000004E40000-0x0000000004E46000-memory.dmp

Filesize
24KB

Download
memory/2452-128-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-129-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-130-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-132-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-131-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-133-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-134-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-135-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-136-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-137-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-138-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-139-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-140-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-141-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-142-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-143-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-144-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-145-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-146-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-147-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-148-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-149-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-150-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-151-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-152-0x00000000005F0000-0x0000000000646000-memory.dmp

Filesize
344KB

Download
memory/2452-153-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-154-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-155-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-156-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-126-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-158-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-159-0x0000000007310000-0x00000000073DC000-memory.dmp

Filesize
816KB

Download
memory/2452-160-0x00000000078E0000-0x0000000007DDE000-memory.dmp

Filesize
5.0MB

Download
memory/2452-161-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-162-0x0000000007480000-0x0000000007512000-memory.dmp

Filesize
584KB

Download
memory/2452-127-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-164-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-165-0x0000000007720000-0x0000000007796000-memory.dmp

Filesize
472KB

Download
memory/2452-166-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-167-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-168-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-169-0x0000000007400000-0x000000000741E000-memory.dmp

Filesize
120KB

Download
memory/2452-170-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-171-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-172-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-173-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-175-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-174-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-182-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-118-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-119-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-120-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-121-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-122-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-123-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-124-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2452-125-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3136-395-0x0000000000402354-mapping.dmp

Download
memory/3184-322-0x0000000000000000-mapping.dmp

Download
memory/4260-211-0x0000000000000000-mapping.dmp

Download
memory/4688-180-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/4688-185-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/4688-184-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/4688-181-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/4688-179-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/4688-178-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/4688-188-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/4688-177-0x0000000000402354-mapping.dmp

Download
memory/4688-176-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4688-187-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/4688-189-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/4688-186-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/4688-230-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads