502828bc287f5ba5f2cb84b02e5cb42b33a617a3d3fd1e1f9e210e829be4401a

Analysis

max time kernel
155s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220310-en
submitted
31/03/2022, 09:22

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General

Target
ab19e4a1202955167e19f2cc83731eac.exe
Size 285KB
Sample220331-lbw18adfhn
SHA256 502828bc287f5ba5f2cb84b02e5cb42b33a617a3d3fd1e1f9e210e829be4401a
MD5 ab19e4a1202955167e19f2cc83731eac
SHA1 abd4dd85a881776fda202f297f37d00aa7bd94ed
SHA512 b3554f364303fec3953e4284003660241efa2ddcababb3b4c4fbb1e498d9274a77dd99826d38818b31bfd02158bfc9d94ce3ac04f2dccbfd3f92790312dee366
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1680	oobeldr.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1484	4672	WerFault.exe	82

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
1220	schtasks.exe
3560	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 1220	4672	ab19e4a1202955167e19f2cc83731eac.exe	83
PID 4672 wrote to memory of 1220	4672	ab19e4a1202955167e19f2cc83731eac.exe	83
PID 4672 wrote to memory of 1220	4672	ab19e4a1202955167e19f2cc83731eac.exe	83
PID 1680 wrote to memory of 3560	1680	oobeldr.exe	108
PID 1680 wrote to memory of 3560	1680	oobeldr.exe	108
PID 1680 wrote to memory of 3560	1680	oobeldr.exe	108

C:\Users\Admin\AppData\Local\Temp\ab19e4a1202955167e19f2cc83731eac.exe
"C:\Users\Admin\AppData\Local\Temp\ab19e4a1202955167e19f2cc83731eac.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4672
- 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"
  2⤵
  - Creates scheduled task(s)
  PID:1220
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 536
  2⤵
  - Program crash
  PID:1484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4672 -ip 4672
1⤵
PID:4820

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 WriteProcessMemory
PID:1680
- 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"
  2⤵
  - Creates scheduled task(s)
  PID:3560

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s camsvc
1⤵
PID:4664

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

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Downloads

oobeldr.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Size 285KB
SHA256 502828bc287f5ba5f2cb84b02e5cb42b33a617a3d3fd1e1f9e210e829be4401a
MD5 ab19e4a1202955167e19f2cc83731eac
SHA1 abd4dd85a881776fda202f297f37d00aa7bd94ed
SHA512 b3554f364303fec3953e4284003660241efa2ddcababb3b4c4fbb1e498d9274a77dd99826d38818b31bfd02158bfc9d94ce3ac04f2dccbfd3f92790312dee366
MD5 SHA1 SHA512

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oobeldr.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Size 285KB
SHA256 502828bc287f5ba5f2cb84b02e5cb42b33a617a3d3fd1e1f9e210e829be4401a
MD5 ab19e4a1202955167e19f2cc83731eac
SHA1 abd4dd85a881776fda202f297f37d00aa7bd94ed
SHA512 b3554f364303fec3953e4284003660241efa2ddcababb3b4c4fbb1e498d9274a77dd99826d38818b31bfd02158bfc9d94ce3ac04f2dccbfd3f92790312dee366
MD5 SHA1 SHA512

Submit Download

memory/1680-141-0x000000000053C000-0x0000000000545000-memory.dmp

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memory/1680-143-0x000000000053C000-0x0000000000545000-memory.dmp

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memory/1680-144-0x0000000000510000-0x0000000000514000-memory.dmp

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memory/1680-145-0x0000000000400000-0x000000000048B000-memory.dmp

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memory/4672-134-0x00000000007EC000-0x00000000007F5000-memory.dmp

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memory/4672-136-0x00000000005D0000-0x00000000005D4000-memory.dmp

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memory/4672-135-0x00000000007EC000-0x00000000007F5000-memory.dmp

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memory/4672-137-0x0000000000400000-0x000000000048B000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads