d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5

Analysis

max time kernel
134s
max time network
130s
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 17:50

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General

Target

d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe
Size

326KB
MD5

9b7cb28aec390d2d070ae62ad33b271d
SHA1

1acfbd1287a12cc00100f5eb8daccb00f57467e6
SHA256

d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5
SHA512

23d31ada2c4fe9a22cf580ad5a45eade7cb58ca9026c633309bf160fe96748c5af9d7b4196d2032ca64fafb05d0e9b4cdc62abf60862f18dd0b53d16232be378
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 5 IoCs

pid	Process
4920	oobeldr.exe
3952	oobeldr.exe
4376	oobeldr.exe
2724	oobeldr.exe
3728	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4272 set thread context of 1124	4272	d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe	79
PID 4920 set thread context of 3952	4920	oobeldr.exe	84
PID 4376 set thread context of 3728	4376	oobeldr.exe	95

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3868	3728	WerFault.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
1492	schtasks.exe
3968	schtasks.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3728	oobeldr.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 4272 wrote to memory of 1124	4272	d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe	79
PID 4272 wrote to memory of 1124	4272	d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe	79
PID 4272 wrote to memory of 1124	4272	d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe	79
PID 4272 wrote to memory of 1124	4272	d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe	79
PID 4272 wrote to memory of 1124	4272	d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe	79
PID 4272 wrote to memory of 1124	4272	d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe	79
PID 4272 wrote to memory of 1124	4272	d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe	79
PID 4272 wrote to memory of 1124	4272	d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe	79
PID 4272 wrote to memory of 1124	4272	d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe	79
PID 1124 wrote to memory of 1492	1124	d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe	80
PID 1124 wrote to memory of 1492	1124	d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe	80
PID 1124 wrote to memory of 1492	1124	d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe	80
PID 4920 wrote to memory of 3952	4920	oobeldr.exe	84
PID 4920 wrote to memory of 3952	4920	oobeldr.exe	84
PID 4920 wrote to memory of 3952	4920	oobeldr.exe	84
PID 4920 wrote to memory of 3952	4920	oobeldr.exe	84
PID 4920 wrote to memory of 3952	4920	oobeldr.exe	84
PID 4920 wrote to memory of 3952	4920	oobeldr.exe	84
PID 4920 wrote to memory of 3952	4920	oobeldr.exe	84
PID 4920 wrote to memory of 3952	4920	oobeldr.exe	84
PID 4920 wrote to memory of 3952	4920	oobeldr.exe	84
PID 3952 wrote to memory of 3968	3952	oobeldr.exe	85
PID 3952 wrote to memory of 3968	3952	oobeldr.exe	85
PID 3952 wrote to memory of 3968	3952	oobeldr.exe	85
PID 4376 wrote to memory of 2724	4376	oobeldr.exe	94
PID 4376 wrote to memory of 2724	4376	oobeldr.exe	94
PID 4376 wrote to memory of 2724	4376	oobeldr.exe	94
PID 4376 wrote to memory of 3728	4376	oobeldr.exe	95
PID 4376 wrote to memory of 3728	4376	oobeldr.exe	95
PID 4376 wrote to memory of 3728	4376	oobeldr.exe	95
PID 4376 wrote to memory of 3728	4376	oobeldr.exe	95
PID 4376 wrote to memory of 3728	4376	oobeldr.exe	95
PID 4376 wrote to memory of 3728	4376	oobeldr.exe	95
PID 4376 wrote to memory of 3728	4376	oobeldr.exe	95
PID 4376 wrote to memory of 3728	4376	oobeldr.exe	95
PID 4376 wrote to memory of 3728	4376	oobeldr.exe	95

C:\Users\Admin\AppData\Local\Temp\d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe
"C:\Users\Admin\AppData\Local\Temp\d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4272
- C:\Users\Admin\AppData\Local\Temp\d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe
  C:\Users\Admin\AppData\Local\Temp\d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1124
- - 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:1492

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:4920
- 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:3952
- - 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:3968

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:4376
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2724
- 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 UnmapMainImage
  PID:3728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 12
    3⤵
    - Program crash
    PID:3868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3728 -ip 3728
1⤵
PID:2036

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
9b7cb28aec390d2d070ae62ad33b271d

SHA1
1acfbd1287a12cc00100f5eb8daccb00f57467e6

SHA256
d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5

SHA512
23d31ada2c4fe9a22cf580ad5a45eade7cb58ca9026c633309bf160fe96748c5af9d7b4196d2032ca64fafb05d0e9b4cdc62abf60862f18dd0b53d16232be378

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

Filesize
326KB

MD5
9b7cb28aec390d2d070ae62ad33b271d

SHA1
1acfbd1287a12cc00100f5eb8daccb00f57467e6

SHA256
d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5

SHA512
23d31ada2c4fe9a22cf580ad5a45eade7cb58ca9026c633309bf160fe96748c5af9d7b4196d2032ca64fafb05d0e9b4cdc62abf60862f18dd0b53d16232be378

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

Filesize
326KB

MD5
9b7cb28aec390d2d070ae62ad33b271d

SHA1
1acfbd1287a12cc00100f5eb8daccb00f57467e6

SHA256
d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5

SHA512
23d31ada2c4fe9a22cf580ad5a45eade7cb58ca9026c633309bf160fe96748c5af9d7b4196d2032ca64fafb05d0e9b4cdc62abf60862f18dd0b53d16232be378

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

Filesize
326KB

MD5
9b7cb28aec390d2d070ae62ad33b271d

SHA1
1acfbd1287a12cc00100f5eb8daccb00f57467e6

SHA256
d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5

SHA512
23d31ada2c4fe9a22cf580ad5a45eade7cb58ca9026c633309bf160fe96748c5af9d7b4196d2032ca64fafb05d0e9b4cdc62abf60862f18dd0b53d16232be378

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

Filesize
326KB

MD5
9b7cb28aec390d2d070ae62ad33b271d

SHA1
1acfbd1287a12cc00100f5eb8daccb00f57467e6

SHA256
d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5

SHA512
23d31ada2c4fe9a22cf580ad5a45eade7cb58ca9026c633309bf160fe96748c5af9d7b4196d2032ca64fafb05d0e9b4cdc62abf60862f18dd0b53d16232be378

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

Filesize
326KB

MD5
9b7cb28aec390d2d070ae62ad33b271d

SHA1
1acfbd1287a12cc00100f5eb8daccb00f57467e6

SHA256
d983ffdb7e943106a4a5ead75e7b0cd44eed763695a807ec173d765851fb16b5

SHA512
23d31ada2c4fe9a22cf580ad5a45eade7cb58ca9026c633309bf160fe96748c5af9d7b4196d2032ca64fafb05d0e9b4cdc62abf60862f18dd0b53d16232be378

Download Submit
memory/1124-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1124-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1124-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4272-132-0x0000000000380000-0x00000000003D6000-memory.dmp

Filesize
344KB

Download
memory/4272-133-0x00000000078A0000-0x0000000007E44000-memory.dmp

Filesize
5.6MB

Download
memory/4272-134-0x0000000007390000-0x0000000007422000-memory.dmp

Filesize
584KB

Download
memory/4272-135-0x0000000007630000-0x00000000076A6000-memory.dmp

Filesize
472KB

Download
memory/4272-136-0x0000000007310000-0x000000000732E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads