9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27

Analysis

max time kernel
121s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2023, 10:33

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General

Target

9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe
Size

329KB
MD5

e8d3daa3b85c002d086d8bd20f53df52
SHA1

3cf19c035e014ba420637e2fe3150d00bfa25c42
SHA256

9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27
SHA512

7a657373c844195b5d774f51940846a58957f26afc9feafeae16d9867fa229e18cc3f590164fb5643e55479fca3e244135dedd15361aa2d9b050a93233f45cde
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3900	oobeldr.exe
1128	oobeldr.exe
1252	oobeldr.exe
4712	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4896 set thread context of 4828	4896	9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe	82
PID 3900 set thread context of 1128	3900	oobeldr.exe	93
PID 1252 set thread context of 4712	1252	oobeldr.exe	97

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
2384	schtasks.exe
5116	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 4828	4896	9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe	82
PID 4896 wrote to memory of 4828	4896	9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe	82
PID 4896 wrote to memory of 4828	4896	9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe	82
PID 4896 wrote to memory of 4828	4896	9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe	82
PID 4896 wrote to memory of 4828	4896	9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe	82
PID 4896 wrote to memory of 4828	4896	9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe	82
PID 4896 wrote to memory of 4828	4896	9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe	82
PID 4896 wrote to memory of 4828	4896	9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe	82
PID 4896 wrote to memory of 4828	4896	9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe	82
PID 4828 wrote to memory of 2384	4828	9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe	83
PID 4828 wrote to memory of 2384	4828	9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe	83
PID 4828 wrote to memory of 2384	4828	9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe	83
PID 3900 wrote to memory of 1128	3900	oobeldr.exe	93
PID 3900 wrote to memory of 1128	3900	oobeldr.exe	93
PID 3900 wrote to memory of 1128	3900	oobeldr.exe	93
PID 3900 wrote to memory of 1128	3900	oobeldr.exe	93
PID 3900 wrote to memory of 1128	3900	oobeldr.exe	93
PID 3900 wrote to memory of 1128	3900	oobeldr.exe	93
PID 3900 wrote to memory of 1128	3900	oobeldr.exe	93
PID 3900 wrote to memory of 1128	3900	oobeldr.exe	93
PID 3900 wrote to memory of 1128	3900	oobeldr.exe	93
PID 1128 wrote to memory of 5116	1128	oobeldr.exe	94
PID 1128 wrote to memory of 5116	1128	oobeldr.exe	94
PID 1128 wrote to memory of 5116	1128	oobeldr.exe	94
PID 1252 wrote to memory of 4712	1252	oobeldr.exe	97
PID 1252 wrote to memory of 4712	1252	oobeldr.exe	97
PID 1252 wrote to memory of 4712	1252	oobeldr.exe	97
PID 1252 wrote to memory of 4712	1252	oobeldr.exe	97
PID 1252 wrote to memory of 4712	1252	oobeldr.exe	97
PID 1252 wrote to memory of 4712	1252	oobeldr.exe	97
PID 1252 wrote to memory of 4712	1252	oobeldr.exe	97
PID 1252 wrote to memory of 4712	1252	oobeldr.exe	97
PID 1252 wrote to memory of 4712	1252	oobeldr.exe	97

C:\Users\Admin\AppData\Local\Temp\9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe
"C:\Users\Admin\AppData\Local\Temp\9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Users\Admin\AppData\Local\Temp\9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe
  C:\Users\Admin\AppData\Local\Temp\9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27.exe
  2⤵
  - 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:2384

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:3900
- 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:1128
- - 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:5116

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:1252
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4712

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
329KB

MD5
e8d3daa3b85c002d086d8bd20f53df52

SHA1
3cf19c035e014ba420637e2fe3150d00bfa25c42

SHA256
9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27

SHA512
7a657373c844195b5d774f51940846a58957f26afc9feafeae16d9867fa229e18cc3f590164fb5643e55479fca3e244135dedd15361aa2d9b050a93233f45cde

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

Filesize
329KB

MD5
e8d3daa3b85c002d086d8bd20f53df52

SHA1
3cf19c035e014ba420637e2fe3150d00bfa25c42

SHA256
9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27

SHA512
7a657373c844195b5d774f51940846a58957f26afc9feafeae16d9867fa229e18cc3f590164fb5643e55479fca3e244135dedd15361aa2d9b050a93233f45cde

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

Filesize
329KB

MD5
e8d3daa3b85c002d086d8bd20f53df52

SHA1
3cf19c035e014ba420637e2fe3150d00bfa25c42

SHA256
9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27

SHA512
7a657373c844195b5d774f51940846a58957f26afc9feafeae16d9867fa229e18cc3f590164fb5643e55479fca3e244135dedd15361aa2d9b050a93233f45cde

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

Filesize
329KB

MD5
e8d3daa3b85c002d086d8bd20f53df52

SHA1
3cf19c035e014ba420637e2fe3150d00bfa25c42

SHA256
9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27

SHA512
7a657373c844195b5d774f51940846a58957f26afc9feafeae16d9867fa229e18cc3f590164fb5643e55479fca3e244135dedd15361aa2d9b050a93233f45cde

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

Filesize
329KB

MD5
e8d3daa3b85c002d086d8bd20f53df52

SHA1
3cf19c035e014ba420637e2fe3150d00bfa25c42

SHA256
9c4e2b149ade5b093ba7f27b72cd6353febaee52981c05b08411c7157488dc27

SHA512
7a657373c844195b5d774f51940846a58957f26afc9feafeae16d9867fa229e18cc3f590164fb5643e55479fca3e244135dedd15361aa2d9b050a93233f45cde

Download Submit
memory/4828-143-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4828-141-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4828-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4828-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4896-132-0x00000000001C0000-0x0000000000216000-memory.dmp

Filesize
344KB

Download
memory/4896-136-0x0000000007020000-0x000000000703E000-memory.dmp

Filesize
120KB

Download
memory/4896-135-0x0000000007360000-0x00000000073D6000-memory.dmp

Filesize
472KB

Download
memory/4896-134-0x00000000070C0000-0x0000000007152000-memory.dmp

Filesize
584KB

Download
memory/4896-133-0x00000000075D0000-0x0000000007B74000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads