ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c

Analysis

max time kernel
113s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2023 22:01

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General

Target

ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe
Size

327KB
MD5

ec2a3dbdeb6e428774f2fe3353b7f050
SHA1

79a52d4a6e1f8e1de0d32b0a160c425c805b7038
SHA256

ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c
SHA512

402e6d1cd9d60f173407e590e3f271ba7194ee228c3c17cec0a3fc6676ed4466a1499c7cde2066a5c926699ecbe1ec45fc03df0f0591085f378a9296164330de
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 5 IoCs

pid	Process
4648	oobeldr.exe
1496	oobeldr.exe
816	oobeldr.exe
5036	oobeldr.exe
3676	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 996 set thread context of 3064	996	ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe	84
PID 4648 set thread context of 816	4648	oobeldr.exe	96
PID 5036 set thread context of 3676	5036	oobeldr.exe	100

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
2120	schtasks.exe
4756	schtasks.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 3064	996	ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe	84
PID 996 wrote to memory of 3064	996	ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe	84
PID 996 wrote to memory of 3064	996	ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe	84
PID 996 wrote to memory of 3064	996	ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe	84
PID 996 wrote to memory of 3064	996	ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe	84
PID 996 wrote to memory of 3064	996	ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe	84
PID 996 wrote to memory of 3064	996	ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe	84
PID 996 wrote to memory of 3064	996	ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe	84
PID 996 wrote to memory of 3064	996	ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe	84
PID 3064 wrote to memory of 2120	3064	ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe	88
PID 3064 wrote to memory of 2120	3064	ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe	88
PID 3064 wrote to memory of 2120	3064	ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe	88
PID 4648 wrote to memory of 1496	4648	oobeldr.exe	95
PID 4648 wrote to memory of 1496	4648	oobeldr.exe	95
PID 4648 wrote to memory of 1496	4648	oobeldr.exe	95
PID 4648 wrote to memory of 816	4648	oobeldr.exe	96
PID 4648 wrote to memory of 816	4648	oobeldr.exe	96
PID 4648 wrote to memory of 816	4648	oobeldr.exe	96
PID 4648 wrote to memory of 816	4648	oobeldr.exe	96
PID 4648 wrote to memory of 816	4648	oobeldr.exe	96
PID 4648 wrote to memory of 816	4648	oobeldr.exe	96
PID 4648 wrote to memory of 816	4648	oobeldr.exe	96
PID 4648 wrote to memory of 816	4648	oobeldr.exe	96
PID 4648 wrote to memory of 816	4648	oobeldr.exe	96
PID 816 wrote to memory of 4756	816	oobeldr.exe	97
PID 816 wrote to memory of 4756	816	oobeldr.exe	97
PID 816 wrote to memory of 4756	816	oobeldr.exe	97
PID 5036 wrote to memory of 3676	5036	oobeldr.exe	100
PID 5036 wrote to memory of 3676	5036	oobeldr.exe	100
PID 5036 wrote to memory of 3676	5036	oobeldr.exe	100
PID 5036 wrote to memory of 3676	5036	oobeldr.exe	100
PID 5036 wrote to memory of 3676	5036	oobeldr.exe	100
PID 5036 wrote to memory of 3676	5036	oobeldr.exe	100
PID 5036 wrote to memory of 3676	5036	oobeldr.exe	100
PID 5036 wrote to memory of 3676	5036	oobeldr.exe	100
PID 5036 wrote to memory of 3676	5036	oobeldr.exe	100

C:\Users\Admin\AppData\Local\Temp\ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe
"C:\Users\Admin\AppData\Local\Temp\ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:996
- C:\Users\Admin\AppData\Local\Temp\ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe
  C:\Users\Admin\AppData\Local\Temp\ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3064
- - 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:2120

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:4648
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1496
- 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:816
- - 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:4756

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:5036
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3676

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
327KB

MD5
ec2a3dbdeb6e428774f2fe3353b7f050

SHA1
79a52d4a6e1f8e1de0d32b0a160c425c805b7038

SHA256
ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c

SHA512
402e6d1cd9d60f173407e590e3f271ba7194ee228c3c17cec0a3fc6676ed4466a1499c7cde2066a5c926699ecbe1ec45fc03df0f0591085f378a9296164330de

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

Filesize
327KB

MD5
ec2a3dbdeb6e428774f2fe3353b7f050

SHA1
79a52d4a6e1f8e1de0d32b0a160c425c805b7038

SHA256
ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c

SHA512
402e6d1cd9d60f173407e590e3f271ba7194ee228c3c17cec0a3fc6676ed4466a1499c7cde2066a5c926699ecbe1ec45fc03df0f0591085f378a9296164330de

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

Filesize
327KB

MD5
ec2a3dbdeb6e428774f2fe3353b7f050

SHA1
79a52d4a6e1f8e1de0d32b0a160c425c805b7038

SHA256
ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c

SHA512
402e6d1cd9d60f173407e590e3f271ba7194ee228c3c17cec0a3fc6676ed4466a1499c7cde2066a5c926699ecbe1ec45fc03df0f0591085f378a9296164330de

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

Filesize
327KB

MD5
ec2a3dbdeb6e428774f2fe3353b7f050

SHA1
79a52d4a6e1f8e1de0d32b0a160c425c805b7038

SHA256
ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c

SHA512
402e6d1cd9d60f173407e590e3f271ba7194ee228c3c17cec0a3fc6676ed4466a1499c7cde2066a5c926699ecbe1ec45fc03df0f0591085f378a9296164330de

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

Filesize
327KB

MD5
ec2a3dbdeb6e428774f2fe3353b7f050

SHA1
79a52d4a6e1f8e1de0d32b0a160c425c805b7038

SHA256
ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c

SHA512
402e6d1cd9d60f173407e590e3f271ba7194ee228c3c17cec0a3fc6676ed4466a1499c7cde2066a5c926699ecbe1ec45fc03df0f0591085f378a9296164330de

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

Filesize
327KB

MD5
ec2a3dbdeb6e428774f2fe3353b7f050

SHA1
79a52d4a6e1f8e1de0d32b0a160c425c805b7038

SHA256
ac8353cfe950ca7a41fb67069ebf94f9353143ac76d1eaa5927654a3afc3e11c

SHA512
402e6d1cd9d60f173407e590e3f271ba7194ee228c3c17cec0a3fc6676ed4466a1499c7cde2066a5c926699ecbe1ec45fc03df0f0591085f378a9296164330de

Download Submit
memory/996-132-0x00000000009A0000-0x00000000009F6000-memory.dmp

Filesize
344KB

Download
memory/996-136-0x0000000007930000-0x000000000794E000-memory.dmp

Filesize
120KB

Download
memory/996-135-0x0000000007C80000-0x0000000007CF6000-memory.dmp

Filesize
472KB

Download
memory/996-134-0x0000000007960000-0x00000000079F2000-memory.dmp

Filesize
584KB

Download
memory/996-133-0x0000000007E30000-0x00000000083D4000-memory.dmp

Filesize
5.6MB

Download
memory/3064-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3064-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3064-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads