d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d

Analysis

max time kernel
273s
max time network
296s
platform
windows10-1703_x64
resource
win10-20231215-en
resource tags

arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system
submitted
25-12-2023 05:19

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General

Target

d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe
Size

323KB
MD5

e4dc5beb9a77a85124fb5a61dea31f21
SHA1

ed04e4573e70d77642d4fa964d56e99c9bcd67ed
SHA256

d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d
SHA512

b404dd5da9333323de1af815e0c52e2904c0407a5094784d32388d78627b40b9b3d27885a44457941e654b227783d1773feb0da2494f66af44732ce10aa5f6b3
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 10 IoCs

pid	Process
3224	oobeldr.exe
4280	oobeldr.exe
2780	oobeldr.exe
1168	oobeldr.exe
1288	oobeldr.exe
2560	oobeldr.exe
760	oobeldr.exe
4860	oobeldr.exe
4136	oobeldr.exe
2712	oobeldr.exe

Suspicious use of SetThreadContext 6 IoCs

description	pid	Process	procid_target
PID 2240 set thread context of 4660	2240	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	72
PID 3224 set thread context of 4280	3224	oobeldr.exe	76
PID 2780 set thread context of 1168	2780	oobeldr.exe	80
PID 1288 set thread context of 2560	1288	oobeldr.exe	82
PID 760 set thread context of 4860	760	oobeldr.exe	84
PID 4136 set thread context of 2712	4136	oobeldr.exe	86

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/Job

T1053

pid	Process
2136	schtasks.exe
3540	schtasks.exe

Suspicious use of WriteProcessMemory 63 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2544	2240	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	71
PID 2240 wrote to memory of 2544	2240	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	71
PID 2240 wrote to memory of 2544	2240	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	71
PID 2240 wrote to memory of 4660	2240	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	72
PID 2240 wrote to memory of 4660	2240	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	72
PID 2240 wrote to memory of 4660	2240	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	72
PID 2240 wrote to memory of 4660	2240	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	72
PID 2240 wrote to memory of 4660	2240	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	72
PID 2240 wrote to memory of 4660	2240	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	72
PID 2240 wrote to memory of 4660	2240	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	72
PID 2240 wrote to memory of 4660	2240	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	72
PID 2240 wrote to memory of 4660	2240	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	72
PID 4660 wrote to memory of 2136	4660	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	73
PID 4660 wrote to memory of 2136	4660	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	73
PID 4660 wrote to memory of 2136	4660	d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe	73
PID 3224 wrote to memory of 4280	3224	oobeldr.exe	76
PID 3224 wrote to memory of 4280	3224	oobeldr.exe	76
PID 3224 wrote to memory of 4280	3224	oobeldr.exe	76
PID 3224 wrote to memory of 4280	3224	oobeldr.exe	76
PID 3224 wrote to memory of 4280	3224	oobeldr.exe	76
PID 3224 wrote to memory of 4280	3224	oobeldr.exe	76
PID 3224 wrote to memory of 4280	3224	oobeldr.exe	76
PID 3224 wrote to memory of 4280	3224	oobeldr.exe	76
PID 3224 wrote to memory of 4280	3224	oobeldr.exe	76
PID 4280 wrote to memory of 3540	4280	oobeldr.exe	77
PID 4280 wrote to memory of 3540	4280	oobeldr.exe	77
PID 4280 wrote to memory of 3540	4280	oobeldr.exe	77
PID 2780 wrote to memory of 1168	2780	oobeldr.exe	80
PID 2780 wrote to memory of 1168	2780	oobeldr.exe	80
PID 2780 wrote to memory of 1168	2780	oobeldr.exe	80
PID 2780 wrote to memory of 1168	2780	oobeldr.exe	80
PID 2780 wrote to memory of 1168	2780	oobeldr.exe	80
PID 2780 wrote to memory of 1168	2780	oobeldr.exe	80
PID 2780 wrote to memory of 1168	2780	oobeldr.exe	80
PID 2780 wrote to memory of 1168	2780	oobeldr.exe	80
PID 2780 wrote to memory of 1168	2780	oobeldr.exe	80
PID 1288 wrote to memory of 2560	1288	oobeldr.exe	82
PID 1288 wrote to memory of 2560	1288	oobeldr.exe	82
PID 1288 wrote to memory of 2560	1288	oobeldr.exe	82
PID 1288 wrote to memory of 2560	1288	oobeldr.exe	82
PID 1288 wrote to memory of 2560	1288	oobeldr.exe	82
PID 1288 wrote to memory of 2560	1288	oobeldr.exe	82
PID 1288 wrote to memory of 2560	1288	oobeldr.exe	82
PID 1288 wrote to memory of 2560	1288	oobeldr.exe	82
PID 1288 wrote to memory of 2560	1288	oobeldr.exe	82
PID 760 wrote to memory of 4860	760	oobeldr.exe	84
PID 760 wrote to memory of 4860	760	oobeldr.exe	84
PID 760 wrote to memory of 4860	760	oobeldr.exe	84
PID 760 wrote to memory of 4860	760	oobeldr.exe	84
PID 760 wrote to memory of 4860	760	oobeldr.exe	84
PID 760 wrote to memory of 4860	760	oobeldr.exe	84
PID 760 wrote to memory of 4860	760	oobeldr.exe	84
PID 760 wrote to memory of 4860	760	oobeldr.exe	84
PID 760 wrote to memory of 4860	760	oobeldr.exe	84
PID 4136 wrote to memory of 2712	4136	oobeldr.exe	86
PID 4136 wrote to memory of 2712	4136	oobeldr.exe	86
PID 4136 wrote to memory of 2712	4136	oobeldr.exe	86
PID 4136 wrote to memory of 2712	4136	oobeldr.exe	86
PID 4136 wrote to memory of 2712	4136	oobeldr.exe	86
PID 4136 wrote to memory of 2712	4136	oobeldr.exe	86
PID 4136 wrote to memory of 2712	4136	oobeldr.exe	86
PID 4136 wrote to memory of 2712	4136	oobeldr.exe	86
PID 4136 wrote to memory of 2712	4136	oobeldr.exe	86

C:\Users\Admin\AppData\Local\Temp\d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe
"C:\Users\Admin\AppData\Local\Temp\d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Users\Admin\AppData\Local\Temp\d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe
  C:\Users\Admin\AppData\Local\Temp\d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe
  2⤵
  PID:2544
- C:\Users\Admin\AppData\Local\Temp\d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe
  C:\Users\Admin\AppData\Local\Temp\d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4660
- - 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:2136

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:3224
- 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:4280
- - 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:3540

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:2780
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:1168

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:1288
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2560

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:760
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4860

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:4136
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

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
db5ef8d7c51bad129d9097bf953e4913

SHA1
8439db960aa2d431bf5ec3c37af775b45eb07e06

SHA256
1248e67f10b47b397af3c8cbe342bad4be75c68b8e10f4ec6341195cc3138bd9

SHA512
04572485790b25e1751347e43b47174051cd153dd75fd55ee5590d25a2579f344cd96cf86cf45bdb7759e3e6d0f734d0ff717148ca70f501b9869e964e036fee

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

Filesize
323KB

MD5
e4dc5beb9a77a85124fb5a61dea31f21

SHA1
ed04e4573e70d77642d4fa964d56e99c9bcd67ed

SHA256
d8dc425537c8bb6e195a5292632bc5845257a7e003d34e3c569012244c33b36d

SHA512
b404dd5da9333323de1af815e0c52e2904c0407a5094784d32388d78627b40b9b3d27885a44457941e654b227783d1773feb0da2494f66af44732ce10aa5f6b3

Download Submit
memory/760-50-0x0000000073CF0000-0x00000000743DE000-memory.dmp

Filesize
6.9MB

Download
memory/760-45-0x0000000002ED0000-0x0000000002EE0000-memory.dmp

Filesize
64KB

Download
memory/760-44-0x0000000073CF0000-0x00000000743DE000-memory.dmp

Filesize
6.9MB

Download
memory/1288-42-0x0000000073CF0000-0x00000000743DE000-memory.dmp

Filesize
6.9MB

Download
memory/1288-37-0x0000000005140000-0x0000000005150000-memory.dmp

Filesize
64KB

Download
memory/1288-36-0x0000000073CF0000-0x00000000743DE000-memory.dmp

Filesize
6.9MB

Download
memory/2240-7-0x0000000007650000-0x00000000076C6000-memory.dmp

Filesize
472KB

Download
memory/2240-6-0x00000000051F0000-0x0000000005200000-memory.dmp

Filesize
64KB

Download
memory/2240-13-0x0000000073C50000-0x000000007433E000-memory.dmp

Filesize
6.9MB

Download
memory/2240-1-0x0000000073C50000-0x000000007433E000-memory.dmp

Filesize
6.9MB

Download
memory/2240-2-0x0000000007580000-0x000000000764C000-memory.dmp

Filesize
816KB

Download
memory/2240-8-0x0000000005160000-0x000000000517E000-memory.dmp

Filesize
120KB

Download
memory/2240-3-0x0000000007B50000-0x000000000804E000-memory.dmp

Filesize
5.0MB

Download
memory/2240-4-0x00000000076F0000-0x0000000007782000-memory.dmp

Filesize
584KB

Download
memory/2240-5-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/2240-0-0x0000000000790000-0x00000000007E6000-memory.dmp

Filesize
344KB

Download
memory/2780-29-0x00000000057A0000-0x00000000057B0000-memory.dmp

Filesize
64KB

Download
memory/2780-34-0x0000000073CF0000-0x00000000743DE000-memory.dmp

Filesize
6.9MB

Download
memory/2780-28-0x0000000073CF0000-0x00000000743DE000-memory.dmp

Filesize
6.9MB

Download
memory/3224-25-0x0000000073C50000-0x000000007433E000-memory.dmp

Filesize
6.9MB

Download
memory/3224-19-0x0000000005240000-0x0000000005250000-memory.dmp

Filesize
64KB

Download
memory/3224-18-0x0000000073C50000-0x000000007433E000-memory.dmp

Filesize
6.9MB

Download
memory/4136-52-0x0000000073CF0000-0x00000000743DE000-memory.dmp

Filesize
6.9MB

Download
memory/4136-53-0x0000000004A20000-0x0000000004A30000-memory.dmp

Filesize
64KB

Download
memory/4136-58-0x0000000073CF0000-0x00000000743DE000-memory.dmp

Filesize
6.9MB

Download
memory/4660-9-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4660-15-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4660-12-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads