c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc

Analysis

max time kernel
112s
max time network
131s
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 20:52

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General

Target

c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe
Size

325KB
MD5

def2b760eb569484164f4c616159c597
SHA1

9296978fb139af13164b632af6311f0669bafee9
SHA256

c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc
SHA512

2b3ec6d6523131c74bac469b3eb38925138143f41e767c47d988d346788f4145fa75f7fd4dec79b9d8d5d12ff637b2ebb840857f2f189fcd586d1121ad73cacd
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3660	oobeldr.exe
208	oobeldr.exe
2596	oobeldr.exe
2692	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4760 set thread context of 2696	4760	c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe	79
PID 3660 set thread context of 208	3660	oobeldr.exe	90
PID 2596 set thread context of 2692	2596	oobeldr.exe	94

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
1096	schtasks.exe
2156	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4760 wrote to memory of 2696	4760	c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe	79
PID 4760 wrote to memory of 2696	4760	c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe	79
PID 4760 wrote to memory of 2696	4760	c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe	79
PID 4760 wrote to memory of 2696	4760	c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe	79
PID 4760 wrote to memory of 2696	4760	c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe	79
PID 4760 wrote to memory of 2696	4760	c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe	79
PID 4760 wrote to memory of 2696	4760	c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe	79
PID 4760 wrote to memory of 2696	4760	c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe	79
PID 4760 wrote to memory of 2696	4760	c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe	79
PID 2696 wrote to memory of 1096	2696	c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe	80
PID 2696 wrote to memory of 1096	2696	c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe	80
PID 2696 wrote to memory of 1096	2696	c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe	80
PID 3660 wrote to memory of 208	3660	oobeldr.exe	90
PID 3660 wrote to memory of 208	3660	oobeldr.exe	90
PID 3660 wrote to memory of 208	3660	oobeldr.exe	90
PID 3660 wrote to memory of 208	3660	oobeldr.exe	90
PID 3660 wrote to memory of 208	3660	oobeldr.exe	90
PID 3660 wrote to memory of 208	3660	oobeldr.exe	90
PID 3660 wrote to memory of 208	3660	oobeldr.exe	90
PID 3660 wrote to memory of 208	3660	oobeldr.exe	90
PID 3660 wrote to memory of 208	3660	oobeldr.exe	90
PID 208 wrote to memory of 2156	208	oobeldr.exe	91
PID 208 wrote to memory of 2156	208	oobeldr.exe	91
PID 208 wrote to memory of 2156	208	oobeldr.exe	91
PID 2596 wrote to memory of 2692	2596	oobeldr.exe	94
PID 2596 wrote to memory of 2692	2596	oobeldr.exe	94
PID 2596 wrote to memory of 2692	2596	oobeldr.exe	94
PID 2596 wrote to memory of 2692	2596	oobeldr.exe	94
PID 2596 wrote to memory of 2692	2596	oobeldr.exe	94
PID 2596 wrote to memory of 2692	2596	oobeldr.exe	94
PID 2596 wrote to memory of 2692	2596	oobeldr.exe	94
PID 2596 wrote to memory of 2692	2596	oobeldr.exe	94
PID 2596 wrote to memory of 2692	2596	oobeldr.exe	94

C:\Users\Admin\AppData\Local\Temp\c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe
"C:\Users\Admin\AppData\Local\Temp\c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4760
- C:\Users\Admin\AppData\Local\Temp\c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe
  C:\Users\Admin\AppData\Local\Temp\c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2696
- - 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:1096

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:3660
- 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:208
- - 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:2156

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:2596
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2692

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
03d2df1e8834bc4ec1756735429b458c

SHA1
4ee6c0f5b04c8e0c5076219c5724032daab11d40

SHA256
745ab70552d9a0463b791fd8dc1942838ac3e34fb1a68f09ed3766c7e3b05631

SHA512
2482c3d4478125ccbc7f224f50e86b7bf925ed438b59f4dce57b9b6bcdb59df51417049096b131b6b911173550eed98bc92aba7050861de303a692f0681b197b

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

Filesize
325KB

MD5
def2b760eb569484164f4c616159c597

SHA1
9296978fb139af13164b632af6311f0669bafee9

SHA256
c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc

SHA512
2b3ec6d6523131c74bac469b3eb38925138143f41e767c47d988d346788f4145fa75f7fd4dec79b9d8d5d12ff637b2ebb840857f2f189fcd586d1121ad73cacd

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

Filesize
325KB

MD5
def2b760eb569484164f4c616159c597

SHA1
9296978fb139af13164b632af6311f0669bafee9

SHA256
c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc

SHA512
2b3ec6d6523131c74bac469b3eb38925138143f41e767c47d988d346788f4145fa75f7fd4dec79b9d8d5d12ff637b2ebb840857f2f189fcd586d1121ad73cacd

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

Filesize
325KB

MD5
def2b760eb569484164f4c616159c597

SHA1
9296978fb139af13164b632af6311f0669bafee9

SHA256
c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc

SHA512
2b3ec6d6523131c74bac469b3eb38925138143f41e767c47d988d346788f4145fa75f7fd4dec79b9d8d5d12ff637b2ebb840857f2f189fcd586d1121ad73cacd

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

Filesize
325KB

MD5
def2b760eb569484164f4c616159c597

SHA1
9296978fb139af13164b632af6311f0669bafee9

SHA256
c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc

SHA512
2b3ec6d6523131c74bac469b3eb38925138143f41e767c47d988d346788f4145fa75f7fd4dec79b9d8d5d12ff637b2ebb840857f2f189fcd586d1121ad73cacd

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

Filesize
325KB

MD5
def2b760eb569484164f4c616159c597

SHA1
9296978fb139af13164b632af6311f0669bafee9

SHA256
c2efed104ba4691ae6d05d4c1c2f93c36f46e34ed6e462ed68529553546263dc

SHA512
2b3ec6d6523131c74bac469b3eb38925138143f41e767c47d988d346788f4145fa75f7fd4dec79b9d8d5d12ff637b2ebb840857f2f189fcd586d1121ad73cacd

Download Submit
memory/2696-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2696-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2696-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4760-132-0x0000000000C80000-0x0000000000CD6000-memory.dmp

Filesize
344KB

Download
memory/4760-136-0x0000000007C10000-0x0000000007C2E000-memory.dmp

Filesize
120KB

Download
memory/4760-135-0x0000000007EF0000-0x0000000007F66000-memory.dmp

Filesize
472KB

Download
memory/4760-134-0x0000000007C50000-0x0000000007CE2000-memory.dmp

Filesize
584KB

Download
memory/4760-133-0x0000000008160000-0x0000000008704000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads