b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396

Analysis

max time kernel
122s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/11/2022, 13:40

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General

Target

b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe
Size

327KB
MD5

c5a00b804178fb8b0ab9ff6cd37bbb73
SHA1

b9909a6e97f80584d7eddaaf3e03cad7f633e440
SHA256

b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396
SHA512

835eb4d1ac21d9a101748857d46dfcf6346b22e7bfcbba492273296248c4ccea79dbc4d5c3500b309d469f2d8250cbb6ca1d1d90e9174869c081dbc54788f893
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 5 IoCs

pid	Process
5088	oobeldr.exe
1932	oobeldr.exe
4640	oobeldr.exe
1664	oobeldr.exe
3820	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4956 set thread context of 2484	4956	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	84
PID 5088 set thread context of 4640	5088	oobeldr.exe	96
PID 1664 set thread context of 3820	1664	oobeldr.exe	100

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4536	4640	WerFault.exe	96

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
232	schtasks.exe
2068	schtasks.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 5036	4956	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	83
PID 4956 wrote to memory of 5036	4956	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	83
PID 4956 wrote to memory of 5036	4956	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	83
PID 4956 wrote to memory of 2484	4956	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	84
PID 4956 wrote to memory of 2484	4956	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	84
PID 4956 wrote to memory of 2484	4956	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	84
PID 4956 wrote to memory of 2484	4956	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	84
PID 4956 wrote to memory of 2484	4956	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	84
PID 4956 wrote to memory of 2484	4956	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	84
PID 4956 wrote to memory of 2484	4956	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	84
PID 4956 wrote to memory of 2484	4956	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	84
PID 4956 wrote to memory of 2484	4956	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	84
PID 2484 wrote to memory of 232	2484	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	88
PID 2484 wrote to memory of 232	2484	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	88
PID 2484 wrote to memory of 232	2484	b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe	88
PID 5088 wrote to memory of 1932	5088	oobeldr.exe	95
PID 5088 wrote to memory of 1932	5088	oobeldr.exe	95
PID 5088 wrote to memory of 1932	5088	oobeldr.exe	95
PID 5088 wrote to memory of 4640	5088	oobeldr.exe	96
PID 5088 wrote to memory of 4640	5088	oobeldr.exe	96
PID 5088 wrote to memory of 4640	5088	oobeldr.exe	96
PID 5088 wrote to memory of 4640	5088	oobeldr.exe	96
PID 5088 wrote to memory of 4640	5088	oobeldr.exe	96
PID 5088 wrote to memory of 4640	5088	oobeldr.exe	96
PID 5088 wrote to memory of 4640	5088	oobeldr.exe	96
PID 5088 wrote to memory of 4640	5088	oobeldr.exe	96
PID 5088 wrote to memory of 4640	5088	oobeldr.exe	96
PID 1664 wrote to memory of 3820	1664	oobeldr.exe	100
PID 1664 wrote to memory of 3820	1664	oobeldr.exe	100
PID 1664 wrote to memory of 3820	1664	oobeldr.exe	100
PID 1664 wrote to memory of 3820	1664	oobeldr.exe	100
PID 1664 wrote to memory of 3820	1664	oobeldr.exe	100
PID 1664 wrote to memory of 3820	1664	oobeldr.exe	100
PID 1664 wrote to memory of 3820	1664	oobeldr.exe	100
PID 1664 wrote to memory of 3820	1664	oobeldr.exe	100
PID 1664 wrote to memory of 3820	1664	oobeldr.exe	100
PID 3820 wrote to memory of 2068	3820	oobeldr.exe	101
PID 3820 wrote to memory of 2068	3820	oobeldr.exe	101
PID 3820 wrote to memory of 2068	3820	oobeldr.exe	101

C:\Users\Admin\AppData\Local\Temp\b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe
"C:\Users\Admin\AppData\Local\Temp\b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Users\Admin\AppData\Local\Temp\b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe
  C:\Users\Admin\AppData\Local\Temp\b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe
  2⤵
  PID:5036
- C:\Users\Admin\AppData\Local\Temp\b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe
  C:\Users\Admin\AppData\Local\Temp\b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2484
- - 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:232

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:5088
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1932
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4640
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 144
    3⤵
    - Program crash
    PID:4536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4640 -ip 4640
1⤵
PID:5028

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:1664
- 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:3820
- - 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:2068

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
327KB

MD5
c5a00b804178fb8b0ab9ff6cd37bbb73

SHA1
b9909a6e97f80584d7eddaaf3e03cad7f633e440

SHA256
b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396

SHA512
835eb4d1ac21d9a101748857d46dfcf6346b22e7bfcbba492273296248c4ccea79dbc4d5c3500b309d469f2d8250cbb6ca1d1d90e9174869c081dbc54788f893

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

Filesize
327KB

MD5
c5a00b804178fb8b0ab9ff6cd37bbb73

SHA1
b9909a6e97f80584d7eddaaf3e03cad7f633e440

SHA256
b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396

SHA512
835eb4d1ac21d9a101748857d46dfcf6346b22e7bfcbba492273296248c4ccea79dbc4d5c3500b309d469f2d8250cbb6ca1d1d90e9174869c081dbc54788f893

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

Filesize
327KB

MD5
c5a00b804178fb8b0ab9ff6cd37bbb73

SHA1
b9909a6e97f80584d7eddaaf3e03cad7f633e440

SHA256
b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396

SHA512
835eb4d1ac21d9a101748857d46dfcf6346b22e7bfcbba492273296248c4ccea79dbc4d5c3500b309d469f2d8250cbb6ca1d1d90e9174869c081dbc54788f893

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

Filesize
327KB

MD5
c5a00b804178fb8b0ab9ff6cd37bbb73

SHA1
b9909a6e97f80584d7eddaaf3e03cad7f633e440

SHA256
b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396

SHA512
835eb4d1ac21d9a101748857d46dfcf6346b22e7bfcbba492273296248c4ccea79dbc4d5c3500b309d469f2d8250cbb6ca1d1d90e9174869c081dbc54788f893

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

Filesize
327KB

MD5
c5a00b804178fb8b0ab9ff6cd37bbb73

SHA1
b9909a6e97f80584d7eddaaf3e03cad7f633e440

SHA256
b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396

SHA512
835eb4d1ac21d9a101748857d46dfcf6346b22e7bfcbba492273296248c4ccea79dbc4d5c3500b309d469f2d8250cbb6ca1d1d90e9174869c081dbc54788f893

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

Filesize
327KB

MD5
c5a00b804178fb8b0ab9ff6cd37bbb73

SHA1
b9909a6e97f80584d7eddaaf3e03cad7f633e440

SHA256
b9684ef4ab910816d77b6680e02457868a8a2a07717efbce23b2a8db3dacf396

SHA512
835eb4d1ac21d9a101748857d46dfcf6346b22e7bfcbba492273296248c4ccea79dbc4d5c3500b309d469f2d8250cbb6ca1d1d90e9174869c081dbc54788f893

Download Submit
memory/2484-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2484-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2484-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4956-135-0x0000000007430000-0x00000000074A6000-memory.dmp

Filesize
472KB

Download
memory/4956-133-0x00000000079E0000-0x0000000007F84000-memory.dmp

Filesize
5.6MB

Download
memory/4956-132-0x0000000000430000-0x0000000000486000-memory.dmp

Filesize
344KB

Download
memory/4956-134-0x00000000074D0000-0x0000000007562000-memory.dmp

Filesize
584KB

Download
memory/4956-136-0x0000000004E70000-0x0000000004E8E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads