e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf

Analysis

max time kernel
123s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2022, 11:18

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General

Target

e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe
Size

324KB
MD5

a3b9971d474d125bc3a57ed98fc39d45
SHA1

3c459d7b6c7101dbb895b337d7ebc561fa536783
SHA256

e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf
SHA512

dd5e91aa411a75e9f3ab331454fe49d0eca96b7b86a8283e9105326644aaa228979b9d70b188a169b4e9d0870ca2fa20dbcc829c42d45e850682c3571a14518e
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 5 IoCs

pid	Process
3564	oobeldr.exe
2312	oobeldr.exe
3264	oobeldr.exe
5052	oobeldr.exe
3212	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4640 set thread context of 4952	4640	e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe	82
PID 3564 set thread context of 3264	3564	oobeldr.exe	94
PID 5052 set thread context of 3212	5052	oobeldr.exe	98

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
5032	schtasks.exe
3304	schtasks.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 4952	4640	e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe	82
PID 4640 wrote to memory of 4952	4640	e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe	82
PID 4640 wrote to memory of 4952	4640	e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe	82
PID 4640 wrote to memory of 4952	4640	e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe	82
PID 4640 wrote to memory of 4952	4640	e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe	82
PID 4640 wrote to memory of 4952	4640	e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe	82
PID 4640 wrote to memory of 4952	4640	e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe	82
PID 4640 wrote to memory of 4952	4640	e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe	82
PID 4640 wrote to memory of 4952	4640	e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe	82
PID 4952 wrote to memory of 5032	4952	e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe	86
PID 4952 wrote to memory of 5032	4952	e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe	86
PID 4952 wrote to memory of 5032	4952	e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe	86
PID 3564 wrote to memory of 2312	3564	oobeldr.exe	93
PID 3564 wrote to memory of 2312	3564	oobeldr.exe	93
PID 3564 wrote to memory of 2312	3564	oobeldr.exe	93
PID 3564 wrote to memory of 3264	3564	oobeldr.exe	94
PID 3564 wrote to memory of 3264	3564	oobeldr.exe	94
PID 3564 wrote to memory of 3264	3564	oobeldr.exe	94
PID 3564 wrote to memory of 3264	3564	oobeldr.exe	94
PID 3564 wrote to memory of 3264	3564	oobeldr.exe	94
PID 3564 wrote to memory of 3264	3564	oobeldr.exe	94
PID 3564 wrote to memory of 3264	3564	oobeldr.exe	94
PID 3564 wrote to memory of 3264	3564	oobeldr.exe	94
PID 3564 wrote to memory of 3264	3564	oobeldr.exe	94
PID 3264 wrote to memory of 3304	3264	oobeldr.exe	95
PID 3264 wrote to memory of 3304	3264	oobeldr.exe	95
PID 3264 wrote to memory of 3304	3264	oobeldr.exe	95
PID 5052 wrote to memory of 3212	5052	oobeldr.exe	98
PID 5052 wrote to memory of 3212	5052	oobeldr.exe	98
PID 5052 wrote to memory of 3212	5052	oobeldr.exe	98
PID 5052 wrote to memory of 3212	5052	oobeldr.exe	98
PID 5052 wrote to memory of 3212	5052	oobeldr.exe	98
PID 5052 wrote to memory of 3212	5052	oobeldr.exe	98
PID 5052 wrote to memory of 3212	5052	oobeldr.exe	98
PID 5052 wrote to memory of 3212	5052	oobeldr.exe	98
PID 5052 wrote to memory of 3212	5052	oobeldr.exe	98

C:\Users\Admin\AppData\Local\Temp\e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe
"C:\Users\Admin\AppData\Local\Temp\e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4640
- C:\Users\Admin\AppData\Local\Temp\e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe
  C:\Users\Admin\AppData\Local\Temp\e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4952
- - 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:5032

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:3564
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2312
- 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:3264
- - 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:3304

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:5052
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3212

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\oobeldr.exe.log

Filesize
789B

MD5
03d2df1e8834bc4ec1756735429b458c

SHA1
4ee6c0f5b04c8e0c5076219c5724032daab11d40

SHA256
745ab70552d9a0463b791fd8dc1942838ac3e34fb1a68f09ed3766c7e3b05631

SHA512
2482c3d4478125ccbc7f224f50e86b7bf925ed438b59f4dce57b9b6bcdb59df51417049096b131b6b911173550eed98bc92aba7050861de303a692f0681b197b

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

Filesize
324KB

MD5
a3b9971d474d125bc3a57ed98fc39d45

SHA1
3c459d7b6c7101dbb895b337d7ebc561fa536783

SHA256
e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf

SHA512
dd5e91aa411a75e9f3ab331454fe49d0eca96b7b86a8283e9105326644aaa228979b9d70b188a169b4e9d0870ca2fa20dbcc829c42d45e850682c3571a14518e

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

Filesize
324KB

MD5
a3b9971d474d125bc3a57ed98fc39d45

SHA1
3c459d7b6c7101dbb895b337d7ebc561fa536783

SHA256
e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf

SHA512
dd5e91aa411a75e9f3ab331454fe49d0eca96b7b86a8283e9105326644aaa228979b9d70b188a169b4e9d0870ca2fa20dbcc829c42d45e850682c3571a14518e

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

Filesize
324KB

MD5
a3b9971d474d125bc3a57ed98fc39d45

SHA1
3c459d7b6c7101dbb895b337d7ebc561fa536783

SHA256
e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf

SHA512
dd5e91aa411a75e9f3ab331454fe49d0eca96b7b86a8283e9105326644aaa228979b9d70b188a169b4e9d0870ca2fa20dbcc829c42d45e850682c3571a14518e

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

Filesize
324KB

MD5
a3b9971d474d125bc3a57ed98fc39d45

SHA1
3c459d7b6c7101dbb895b337d7ebc561fa536783

SHA256
e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf

SHA512
dd5e91aa411a75e9f3ab331454fe49d0eca96b7b86a8283e9105326644aaa228979b9d70b188a169b4e9d0870ca2fa20dbcc829c42d45e850682c3571a14518e

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

Filesize
324KB

MD5
a3b9971d474d125bc3a57ed98fc39d45

SHA1
3c459d7b6c7101dbb895b337d7ebc561fa536783

SHA256
e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf

SHA512
dd5e91aa411a75e9f3ab331454fe49d0eca96b7b86a8283e9105326644aaa228979b9d70b188a169b4e9d0870ca2fa20dbcc829c42d45e850682c3571a14518e

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

Filesize
324KB

MD5
a3b9971d474d125bc3a57ed98fc39d45

SHA1
3c459d7b6c7101dbb895b337d7ebc561fa536783

SHA256
e3fcaa3845c056e9ccde537606211f086b9a867208840b622d54e431f9aeafaf

SHA512
dd5e91aa411a75e9f3ab331454fe49d0eca96b7b86a8283e9105326644aaa228979b9d70b188a169b4e9d0870ca2fa20dbcc829c42d45e850682c3571a14518e

Download Submit
memory/4640-132-0x0000000000420000-0x0000000000476000-memory.dmp

Filesize
344KB

Download
memory/4640-136-0x00000000073B0000-0x00000000073CE000-memory.dmp

Filesize
120KB

Download
memory/4640-135-0x00000000076B0000-0x0000000007726000-memory.dmp

Filesize
472KB

Download
memory/4640-134-0x0000000007410000-0x00000000074A2000-memory.dmp

Filesize
584KB

Download
memory/4640-133-0x00000000078E0000-0x0000000007E84000-memory.dmp

Filesize
5.6MB

Download
memory/4952-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4952-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4952-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads