4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249

Analysis

max time kernel
111s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2023, 06:50

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General

Target

4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe
Size

328KB
MD5

542df5c77a38bd2994a8950b74edd375
SHA1

fb07b75fd174171580b37e12b907fabd94a37006
SHA256

4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249
SHA512

5c474b54503d2043a4c3569ade7e750c6d962ac3a80beb56daf3bbf2229c3f2fee10427034220972588c2871853ca1340da901490204e7dcd51361764758c42c
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
2400	oobeldr.exe
4828	oobeldr.exe
4956	oobeldr.exe
3820	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1096 set thread context of 2532	1096	4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe	80
PID 2400 set thread context of 4828	2400	oobeldr.exe	91
PID 4956 set thread context of 3820	4956	oobeldr.exe	95

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
1420	schtasks.exe
424	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 2532	1096	4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe	80
PID 1096 wrote to memory of 2532	1096	4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe	80
PID 1096 wrote to memory of 2532	1096	4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe	80
PID 1096 wrote to memory of 2532	1096	4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe	80
PID 1096 wrote to memory of 2532	1096	4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe	80
PID 1096 wrote to memory of 2532	1096	4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe	80
PID 1096 wrote to memory of 2532	1096	4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe	80
PID 1096 wrote to memory of 2532	1096	4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe	80
PID 1096 wrote to memory of 2532	1096	4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe	80
PID 2532 wrote to memory of 1420	2532	4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe	81
PID 2532 wrote to memory of 1420	2532	4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe	81
PID 2532 wrote to memory of 1420	2532	4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe	81
PID 2400 wrote to memory of 4828	2400	oobeldr.exe	91
PID 2400 wrote to memory of 4828	2400	oobeldr.exe	91
PID 2400 wrote to memory of 4828	2400	oobeldr.exe	91
PID 2400 wrote to memory of 4828	2400	oobeldr.exe	91
PID 2400 wrote to memory of 4828	2400	oobeldr.exe	91
PID 2400 wrote to memory of 4828	2400	oobeldr.exe	91
PID 2400 wrote to memory of 4828	2400	oobeldr.exe	91
PID 2400 wrote to memory of 4828	2400	oobeldr.exe	91
PID 2400 wrote to memory of 4828	2400	oobeldr.exe	91
PID 4828 wrote to memory of 424	4828	oobeldr.exe	92
PID 4828 wrote to memory of 424	4828	oobeldr.exe	92
PID 4828 wrote to memory of 424	4828	oobeldr.exe	92
PID 4956 wrote to memory of 3820	4956	oobeldr.exe	95
PID 4956 wrote to memory of 3820	4956	oobeldr.exe	95
PID 4956 wrote to memory of 3820	4956	oobeldr.exe	95
PID 4956 wrote to memory of 3820	4956	oobeldr.exe	95
PID 4956 wrote to memory of 3820	4956	oobeldr.exe	95
PID 4956 wrote to memory of 3820	4956	oobeldr.exe	95
PID 4956 wrote to memory of 3820	4956	oobeldr.exe	95
PID 4956 wrote to memory of 3820	4956	oobeldr.exe	95
PID 4956 wrote to memory of 3820	4956	oobeldr.exe	95

C:\Users\Admin\AppData\Local\Temp\4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe
"C:\Users\Admin\AppData\Local\Temp\4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Users\Admin\AppData\Local\Temp\4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe
  C:\Users\Admin\AppData\Local\Temp\4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2532
- - 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:1420

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:2400
- 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:4828
- - 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:424

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:4956
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3820

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
328KB

MD5
542df5c77a38bd2994a8950b74edd375

SHA1
fb07b75fd174171580b37e12b907fabd94a37006

SHA256
4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249

SHA512
5c474b54503d2043a4c3569ade7e750c6d962ac3a80beb56daf3bbf2229c3f2fee10427034220972588c2871853ca1340da901490204e7dcd51361764758c42c

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

Filesize
328KB

MD5
542df5c77a38bd2994a8950b74edd375

SHA1
fb07b75fd174171580b37e12b907fabd94a37006

SHA256
4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249

SHA512
5c474b54503d2043a4c3569ade7e750c6d962ac3a80beb56daf3bbf2229c3f2fee10427034220972588c2871853ca1340da901490204e7dcd51361764758c42c

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

Filesize
328KB

MD5
542df5c77a38bd2994a8950b74edd375

SHA1
fb07b75fd174171580b37e12b907fabd94a37006

SHA256
4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249

SHA512
5c474b54503d2043a4c3569ade7e750c6d962ac3a80beb56daf3bbf2229c3f2fee10427034220972588c2871853ca1340da901490204e7dcd51361764758c42c

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

Filesize
328KB

MD5
542df5c77a38bd2994a8950b74edd375

SHA1
fb07b75fd174171580b37e12b907fabd94a37006

SHA256
4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249

SHA512
5c474b54503d2043a4c3569ade7e750c6d962ac3a80beb56daf3bbf2229c3f2fee10427034220972588c2871853ca1340da901490204e7dcd51361764758c42c

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

Filesize
328KB

MD5
542df5c77a38bd2994a8950b74edd375

SHA1
fb07b75fd174171580b37e12b907fabd94a37006

SHA256
4681b40500e4daccb816d8ddea5a934a7dc4603e3045c6a7af7e93510161e249

SHA512
5c474b54503d2043a4c3569ade7e750c6d962ac3a80beb56daf3bbf2229c3f2fee10427034220972588c2871853ca1340da901490204e7dcd51361764758c42c

Download Submit
memory/1096-133-0x00000000082B0000-0x0000000008854000-memory.dmp

Filesize
5.6MB

Download
memory/1096-134-0x0000000007DA0000-0x0000000007E32000-memory.dmp

Filesize
584KB

Download
memory/1096-135-0x0000000008040000-0x00000000080B6000-memory.dmp

Filesize
472KB

Download
memory/1096-136-0x00000000059B0000-0x00000000059CE000-memory.dmp

Filesize
120KB

Download
memory/1096-132-0x0000000000F10000-0x0000000000F66000-memory.dmp

Filesize
344KB

Download
memory/2532-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2532-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2532-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads