a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb

Analysis

max time kernel
130s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02-11-2022 03:44

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General

Target

a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe
Size

326KB
MD5

5904b84fd92e0be69f5fe38809a75e77
SHA1

825ee717a27bfe0bf7b70b7c28d89554de51a4ff
SHA256

a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb
SHA512

ba2e5dc137fa84ce3e3c79e87df1faccfd258e7368c6e6724d37a869c001f087855c3913bb08487b02af6140e721ae8750cbdb78e65ed01cff010765d1fcce55
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 5 IoCs

pid	Process
1284	oobeldr.exe
3376	oobeldr.exe
3496	oobeldr.exe
4484	oobeldr.exe
924	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3696 set thread context of 4248	3696	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	80
PID 1284 set thread context of 3496	1284	oobeldr.exe	92
PID 4484 set thread context of 924	4484	oobeldr.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
4788	schtasks.exe
4376	schtasks.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3696 wrote to memory of 1684	3696	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	79
PID 3696 wrote to memory of 1684	3696	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	79
PID 3696 wrote to memory of 1684	3696	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	79
PID 3696 wrote to memory of 4248	3696	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	80
PID 3696 wrote to memory of 4248	3696	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	80
PID 3696 wrote to memory of 4248	3696	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	80
PID 3696 wrote to memory of 4248	3696	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	80
PID 3696 wrote to memory of 4248	3696	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	80
PID 3696 wrote to memory of 4248	3696	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	80
PID 3696 wrote to memory of 4248	3696	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	80
PID 3696 wrote to memory of 4248	3696	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	80
PID 3696 wrote to memory of 4248	3696	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	80
PID 4248 wrote to memory of 4376	4248	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	81
PID 4248 wrote to memory of 4376	4248	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	81
PID 4248 wrote to memory of 4376	4248	a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe	81
PID 1284 wrote to memory of 3376	1284	oobeldr.exe	91
PID 1284 wrote to memory of 3376	1284	oobeldr.exe	91
PID 1284 wrote to memory of 3376	1284	oobeldr.exe	91
PID 1284 wrote to memory of 3496	1284	oobeldr.exe	92
PID 1284 wrote to memory of 3496	1284	oobeldr.exe	92
PID 1284 wrote to memory of 3496	1284	oobeldr.exe	92
PID 1284 wrote to memory of 3496	1284	oobeldr.exe	92
PID 1284 wrote to memory of 3496	1284	oobeldr.exe	92
PID 1284 wrote to memory of 3496	1284	oobeldr.exe	92
PID 1284 wrote to memory of 3496	1284	oobeldr.exe	92
PID 1284 wrote to memory of 3496	1284	oobeldr.exe	92
PID 1284 wrote to memory of 3496	1284	oobeldr.exe	92
PID 3496 wrote to memory of 4788	3496	oobeldr.exe	93
PID 3496 wrote to memory of 4788	3496	oobeldr.exe	93
PID 3496 wrote to memory of 4788	3496	oobeldr.exe	93
PID 4484 wrote to memory of 924	4484	oobeldr.exe	96
PID 4484 wrote to memory of 924	4484	oobeldr.exe	96
PID 4484 wrote to memory of 924	4484	oobeldr.exe	96
PID 4484 wrote to memory of 924	4484	oobeldr.exe	96
PID 4484 wrote to memory of 924	4484	oobeldr.exe	96
PID 4484 wrote to memory of 924	4484	oobeldr.exe	96
PID 4484 wrote to memory of 924	4484	oobeldr.exe	96
PID 4484 wrote to memory of 924	4484	oobeldr.exe	96
PID 4484 wrote to memory of 924	4484	oobeldr.exe	96

C:\Users\Admin\AppData\Local\Temp\a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe
"C:\Users\Admin\AppData\Local\Temp\a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3696
- C:\Users\Admin\AppData\Local\Temp\a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe
  C:\Users\Admin\AppData\Local\Temp\a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe
  2⤵
  PID:1684
- C:\Users\Admin\AppData\Local\Temp\a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe
  C:\Users\Admin\AppData\Local\Temp\a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4248
- - 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:4376

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:1284
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3376
- 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:3496
- - 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:4788

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:4484
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:924

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
326KB

MD5
5904b84fd92e0be69f5fe38809a75e77

SHA1
825ee717a27bfe0bf7b70b7c28d89554de51a4ff

SHA256
a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb

SHA512
ba2e5dc137fa84ce3e3c79e87df1faccfd258e7368c6e6724d37a869c001f087855c3913bb08487b02af6140e721ae8750cbdb78e65ed01cff010765d1fcce55

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

Filesize
326KB

MD5
5904b84fd92e0be69f5fe38809a75e77

SHA1
825ee717a27bfe0bf7b70b7c28d89554de51a4ff

SHA256
a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb

SHA512
ba2e5dc137fa84ce3e3c79e87df1faccfd258e7368c6e6724d37a869c001f087855c3913bb08487b02af6140e721ae8750cbdb78e65ed01cff010765d1fcce55

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

Filesize
326KB

MD5
5904b84fd92e0be69f5fe38809a75e77

SHA1
825ee717a27bfe0bf7b70b7c28d89554de51a4ff

SHA256
a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb

SHA512
ba2e5dc137fa84ce3e3c79e87df1faccfd258e7368c6e6724d37a869c001f087855c3913bb08487b02af6140e721ae8750cbdb78e65ed01cff010765d1fcce55

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

Filesize
326KB

MD5
5904b84fd92e0be69f5fe38809a75e77

SHA1
825ee717a27bfe0bf7b70b7c28d89554de51a4ff

SHA256
a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb

SHA512
ba2e5dc137fa84ce3e3c79e87df1faccfd258e7368c6e6724d37a869c001f087855c3913bb08487b02af6140e721ae8750cbdb78e65ed01cff010765d1fcce55

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

Filesize
326KB

MD5
5904b84fd92e0be69f5fe38809a75e77

SHA1
825ee717a27bfe0bf7b70b7c28d89554de51a4ff

SHA256
a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb

SHA512
ba2e5dc137fa84ce3e3c79e87df1faccfd258e7368c6e6724d37a869c001f087855c3913bb08487b02af6140e721ae8750cbdb78e65ed01cff010765d1fcce55

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

Filesize
326KB

MD5
5904b84fd92e0be69f5fe38809a75e77

SHA1
825ee717a27bfe0bf7b70b7c28d89554de51a4ff

SHA256
a009c6b73023f5bf62deb540e0a4fd4c9c5b6081212388ae411c2029602cc9cb

SHA512
ba2e5dc137fa84ce3e3c79e87df1faccfd258e7368c6e6724d37a869c001f087855c3913bb08487b02af6140e721ae8750cbdb78e65ed01cff010765d1fcce55

Download Submit
memory/924-154-0x0000000000000000-mapping.dmp

Download
memory/3496-146-0x0000000000000000-mapping.dmp

Download
memory/3696-132-0x0000000000F00000-0x0000000000F56000-memory.dmp

Filesize
344KB

Download
memory/3696-136-0x0000000007E90000-0x0000000007EAE000-memory.dmp

Filesize
120KB

Download
memory/3696-135-0x0000000008180000-0x00000000081F6000-memory.dmp

Filesize
472KB

Download
memory/3696-134-0x0000000007EE0000-0x0000000007F72000-memory.dmp

Filesize
584KB

Download
memory/3696-133-0x00000000083F0000-0x0000000008994000-memory.dmp

Filesize
5.6MB

Download
memory/4248-137-0x0000000000000000-mapping.dmp

Download
memory/4248-141-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4248-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4248-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4376-142-0x0000000000000000-mapping.dmp

Download
memory/4788-151-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads