1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659

Analysis

max time kernel
177s
max time network
181s
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 03:52

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General

Target

1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe
Size

323KB
MD5

adef9a0661f8cf8c01f2b721d0746b55
SHA1

5062ae9fd6e4b195ba3f916a1d6aa7fd760ef3c2
SHA256

1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659
SHA512

fd7af775f6bf0ad258ce3548586ad13e60d2c08789e25b014a86171a8b4a8a644beb7a96f9f16e292beaf10aa73da3111c26569eb7ece340b39d8b70814c5b64
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 5 IoCs

pid	Process
4064	oobeldr.exe
512	oobeldr.exe
3160	oobeldr.exe
4140	oobeldr.exe
3368	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2200 set thread context of 4752	2200	1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe	80
PID 4064 set thread context of 512	4064	oobeldr.exe	90
PID 3160 set thread context of 4140	3160	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
4476	schtasks.exe
1036	schtasks.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 4752	2200	1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe	80
PID 2200 wrote to memory of 4752	2200	1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe	80
PID 2200 wrote to memory of 4752	2200	1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe	80
PID 2200 wrote to memory of 4752	2200	1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe	80
PID 2200 wrote to memory of 4752	2200	1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe	80
PID 2200 wrote to memory of 4752	2200	1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe	80
PID 2200 wrote to memory of 4752	2200	1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe	80
PID 2200 wrote to memory of 4752	2200	1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe	80
PID 2200 wrote to memory of 4752	2200	1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe	80
PID 4752 wrote to memory of 4476	4752	1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe	83
PID 4752 wrote to memory of 4476	4752	1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe	83
PID 4752 wrote to memory of 4476	4752	1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe	83
PID 4064 wrote to memory of 512	4064	oobeldr.exe	90
PID 4064 wrote to memory of 512	4064	oobeldr.exe	90
PID 4064 wrote to memory of 512	4064	oobeldr.exe	90
PID 4064 wrote to memory of 512	4064	oobeldr.exe	90
PID 4064 wrote to memory of 512	4064	oobeldr.exe	90
PID 4064 wrote to memory of 512	4064	oobeldr.exe	90
PID 4064 wrote to memory of 512	4064	oobeldr.exe	90
PID 4064 wrote to memory of 512	4064	oobeldr.exe	90
PID 4064 wrote to memory of 512	4064	oobeldr.exe	90
PID 512 wrote to memory of 1036	512	oobeldr.exe	91
PID 512 wrote to memory of 1036	512	oobeldr.exe	91
PID 512 wrote to memory of 1036	512	oobeldr.exe	91
PID 3160 wrote to memory of 4140	3160	oobeldr.exe	94
PID 3160 wrote to memory of 4140	3160	oobeldr.exe	94
PID 3160 wrote to memory of 4140	3160	oobeldr.exe	94
PID 3160 wrote to memory of 4140	3160	oobeldr.exe	94
PID 3160 wrote to memory of 4140	3160	oobeldr.exe	94
PID 3160 wrote to memory of 4140	3160	oobeldr.exe	94
PID 3160 wrote to memory of 4140	3160	oobeldr.exe	94
PID 3160 wrote to memory of 4140	3160	oobeldr.exe	94
PID 3160 wrote to memory of 4140	3160	oobeldr.exe	94
PID 3368 wrote to memory of 2028	3368	oobeldr.exe	96
PID 3368 wrote to memory of 2028	3368	oobeldr.exe	96
PID 3368 wrote to memory of 2028	3368	oobeldr.exe	96

C:\Users\Admin\AppData\Local\Temp\1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe
"C:\Users\Admin\AppData\Local\Temp\1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Users\Admin\AppData\Local\Temp\1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe
  C:\Users\Admin\AppData\Local\Temp\1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4752
- - 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:4476

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:4064
- 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:512
- - 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:1036

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:3160
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4140

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:3368
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  PID:2028

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
323KB

MD5
adef9a0661f8cf8c01f2b721d0746b55

SHA1
5062ae9fd6e4b195ba3f916a1d6aa7fd760ef3c2

SHA256
1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659

SHA512
fd7af775f6bf0ad258ce3548586ad13e60d2c08789e25b014a86171a8b4a8a644beb7a96f9f16e292beaf10aa73da3111c26569eb7ece340b39d8b70814c5b64

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

Filesize
323KB

MD5
adef9a0661f8cf8c01f2b721d0746b55

SHA1
5062ae9fd6e4b195ba3f916a1d6aa7fd760ef3c2

SHA256
1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659

SHA512
fd7af775f6bf0ad258ce3548586ad13e60d2c08789e25b014a86171a8b4a8a644beb7a96f9f16e292beaf10aa73da3111c26569eb7ece340b39d8b70814c5b64

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

Filesize
323KB

MD5
adef9a0661f8cf8c01f2b721d0746b55

SHA1
5062ae9fd6e4b195ba3f916a1d6aa7fd760ef3c2

SHA256
1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659

SHA512
fd7af775f6bf0ad258ce3548586ad13e60d2c08789e25b014a86171a8b4a8a644beb7a96f9f16e292beaf10aa73da3111c26569eb7ece340b39d8b70814c5b64

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

Filesize
323KB

MD5
adef9a0661f8cf8c01f2b721d0746b55

SHA1
5062ae9fd6e4b195ba3f916a1d6aa7fd760ef3c2

SHA256
1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659

SHA512
fd7af775f6bf0ad258ce3548586ad13e60d2c08789e25b014a86171a8b4a8a644beb7a96f9f16e292beaf10aa73da3111c26569eb7ece340b39d8b70814c5b64

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

Filesize
323KB

MD5
adef9a0661f8cf8c01f2b721d0746b55

SHA1
5062ae9fd6e4b195ba3f916a1d6aa7fd760ef3c2

SHA256
1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659

SHA512
fd7af775f6bf0ad258ce3548586ad13e60d2c08789e25b014a86171a8b4a8a644beb7a96f9f16e292beaf10aa73da3111c26569eb7ece340b39d8b70814c5b64

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

Filesize
323KB

MD5
adef9a0661f8cf8c01f2b721d0746b55

SHA1
5062ae9fd6e4b195ba3f916a1d6aa7fd760ef3c2

SHA256
1b95fb48799280f5fd63dbcb5ba64d726f3547beeb60c8e6e0773ac09589f659

SHA512
fd7af775f6bf0ad258ce3548586ad13e60d2c08789e25b014a86171a8b4a8a644beb7a96f9f16e292beaf10aa73da3111c26569eb7ece340b39d8b70814c5b64

Download Submit
memory/512-145-0x0000000000000000-mapping.dmp

Download
memory/1036-150-0x0000000000000000-mapping.dmp

Download
memory/2200-135-0x0000000008170000-0x00000000081E6000-memory.dmp

Filesize
472KB

Download
memory/2200-136-0x0000000007E30000-0x0000000007E4E000-memory.dmp

Filesize
120KB

Download
memory/2200-134-0x0000000007ED0000-0x0000000007F62000-memory.dmp

Filesize
584KB

Download
memory/2200-132-0x0000000000EA0000-0x0000000000EF6000-memory.dmp

Filesize
344KB

Download
memory/2200-133-0x00000000083E0000-0x0000000008984000-memory.dmp

Filesize
5.6MB

Download
memory/4140-153-0x0000000000000000-mapping.dmp

Download
memory/4476-141-0x0000000000000000-mapping.dmp

Download
memory/4752-137-0x0000000000000000-mapping.dmp

Download
memory/4752-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4752-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4752-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads