a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2022, 15:48

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General

Target

a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe
Size

324KB
MD5

76fcdcacd813b59479001be7e4991204
SHA1

9c1e8d4eae96da920dda1bf281d859c0c0877df3
SHA256

a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604
SHA512

58778e5bf84d48272cdd1561ebba63f5196dd47a3eb204ab3e7b1e51fd3c13d5fee51055d7436445b02df60b4633caf0414fbba0ca9bf4e637c0d0995c904e77
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 8 IoCs

pid	Process
2784	oobeldr.exe
344	oobeldr.exe
4072	oobeldr.exe
3632	oobeldr.exe
3944	oobeldr.exe
4256	oobeldr.exe
3044	oobeldr.exe
3696	oobeldr.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3040 set thread context of 4948	3040	a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe	81
PID 2784 set thread context of 344	2784	oobeldr.exe	91
PID 4072 set thread context of 3632	4072	oobeldr.exe	96
PID 3944 set thread context of 3696	3944	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
2780	schtasks.exe
3976	schtasks.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 4948	3040	a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe	81
PID 3040 wrote to memory of 4948	3040	a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe	81
PID 3040 wrote to memory of 4948	3040	a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe	81
PID 3040 wrote to memory of 4948	3040	a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe	81
PID 3040 wrote to memory of 4948	3040	a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe	81
PID 3040 wrote to memory of 4948	3040	a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe	81
PID 3040 wrote to memory of 4948	3040	a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe	81
PID 3040 wrote to memory of 4948	3040	a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe	81
PID 3040 wrote to memory of 4948	3040	a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe	81
PID 4948 wrote to memory of 3976	4948	a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe	85
PID 4948 wrote to memory of 3976	4948	a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe	85
PID 4948 wrote to memory of 3976	4948	a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe	85
PID 2784 wrote to memory of 344	2784	oobeldr.exe	91
PID 2784 wrote to memory of 344	2784	oobeldr.exe	91
PID 2784 wrote to memory of 344	2784	oobeldr.exe	91
PID 2784 wrote to memory of 344	2784	oobeldr.exe	91
PID 2784 wrote to memory of 344	2784	oobeldr.exe	91
PID 2784 wrote to memory of 344	2784	oobeldr.exe	91
PID 2784 wrote to memory of 344	2784	oobeldr.exe	91
PID 2784 wrote to memory of 344	2784	oobeldr.exe	91
PID 2784 wrote to memory of 344	2784	oobeldr.exe	91
PID 344 wrote to memory of 2780	344	oobeldr.exe	92
PID 344 wrote to memory of 2780	344	oobeldr.exe	92
PID 344 wrote to memory of 2780	344	oobeldr.exe	92
PID 4072 wrote to memory of 3632	4072	oobeldr.exe	96
PID 4072 wrote to memory of 3632	4072	oobeldr.exe	96
PID 4072 wrote to memory of 3632	4072	oobeldr.exe	96
PID 4072 wrote to memory of 3632	4072	oobeldr.exe	96
PID 4072 wrote to memory of 3632	4072	oobeldr.exe	96
PID 4072 wrote to memory of 3632	4072	oobeldr.exe	96
PID 4072 wrote to memory of 3632	4072	oobeldr.exe	96
PID 4072 wrote to memory of 3632	4072	oobeldr.exe	96
PID 4072 wrote to memory of 3632	4072	oobeldr.exe	96
PID 3944 wrote to memory of 4256	3944	oobeldr.exe	98
PID 3944 wrote to memory of 4256	3944	oobeldr.exe	98
PID 3944 wrote to memory of 4256	3944	oobeldr.exe	98
PID 3944 wrote to memory of 3044	3944	oobeldr.exe	99
PID 3944 wrote to memory of 3044	3944	oobeldr.exe	99
PID 3944 wrote to memory of 3044	3944	oobeldr.exe	99
PID 3944 wrote to memory of 3696	3944	oobeldr.exe	100
PID 3944 wrote to memory of 3696	3944	oobeldr.exe	100
PID 3944 wrote to memory of 3696	3944	oobeldr.exe	100
PID 3944 wrote to memory of 3696	3944	oobeldr.exe	100
PID 3944 wrote to memory of 3696	3944	oobeldr.exe	100
PID 3944 wrote to memory of 3696	3944	oobeldr.exe	100
PID 3944 wrote to memory of 3696	3944	oobeldr.exe	100
PID 3944 wrote to memory of 3696	3944	oobeldr.exe	100
PID 3944 wrote to memory of 3696	3944	oobeldr.exe	100

C:\Users\Admin\AppData\Local\Temp\a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe
"C:\Users\Admin\AppData\Local\Temp\a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Local\Temp\a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe
  C:\Users\Admin\AppData\Local\Temp\a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4948
- - 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:3976

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:2784
- 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:344
- - 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:2780

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:4072
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3632

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:3944
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4256
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3044
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3696

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
324KB

MD5
76fcdcacd813b59479001be7e4991204

SHA1
9c1e8d4eae96da920dda1bf281d859c0c0877df3

SHA256
a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604

SHA512
58778e5bf84d48272cdd1561ebba63f5196dd47a3eb204ab3e7b1e51fd3c13d5fee51055d7436445b02df60b4633caf0414fbba0ca9bf4e637c0d0995c904e77

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

Filesize
324KB

MD5
76fcdcacd813b59479001be7e4991204

SHA1
9c1e8d4eae96da920dda1bf281d859c0c0877df3

SHA256
a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604

SHA512
58778e5bf84d48272cdd1561ebba63f5196dd47a3eb204ab3e7b1e51fd3c13d5fee51055d7436445b02df60b4633caf0414fbba0ca9bf4e637c0d0995c904e77

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

Filesize
324KB

MD5
76fcdcacd813b59479001be7e4991204

SHA1
9c1e8d4eae96da920dda1bf281d859c0c0877df3

SHA256
a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604

SHA512
58778e5bf84d48272cdd1561ebba63f5196dd47a3eb204ab3e7b1e51fd3c13d5fee51055d7436445b02df60b4633caf0414fbba0ca9bf4e637c0d0995c904e77

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

Filesize
324KB

MD5
76fcdcacd813b59479001be7e4991204

SHA1
9c1e8d4eae96da920dda1bf281d859c0c0877df3

SHA256
a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604

SHA512
58778e5bf84d48272cdd1561ebba63f5196dd47a3eb204ab3e7b1e51fd3c13d5fee51055d7436445b02df60b4633caf0414fbba0ca9bf4e637c0d0995c904e77

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

Filesize
324KB

MD5
76fcdcacd813b59479001be7e4991204

SHA1
9c1e8d4eae96da920dda1bf281d859c0c0877df3

SHA256
a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604

SHA512
58778e5bf84d48272cdd1561ebba63f5196dd47a3eb204ab3e7b1e51fd3c13d5fee51055d7436445b02df60b4633caf0414fbba0ca9bf4e637c0d0995c904e77

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

Filesize
324KB

MD5
76fcdcacd813b59479001be7e4991204

SHA1
9c1e8d4eae96da920dda1bf281d859c0c0877df3

SHA256
a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604

SHA512
58778e5bf84d48272cdd1561ebba63f5196dd47a3eb204ab3e7b1e51fd3c13d5fee51055d7436445b02df60b4633caf0414fbba0ca9bf4e637c0d0995c904e77

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

Filesize
324KB

MD5
76fcdcacd813b59479001be7e4991204

SHA1
9c1e8d4eae96da920dda1bf281d859c0c0877df3

SHA256
a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604

SHA512
58778e5bf84d48272cdd1561ebba63f5196dd47a3eb204ab3e7b1e51fd3c13d5fee51055d7436445b02df60b4633caf0414fbba0ca9bf4e637c0d0995c904e77

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

Filesize
324KB

MD5
76fcdcacd813b59479001be7e4991204

SHA1
9c1e8d4eae96da920dda1bf281d859c0c0877df3

SHA256
a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604

SHA512
58778e5bf84d48272cdd1561ebba63f5196dd47a3eb204ab3e7b1e51fd3c13d5fee51055d7436445b02df60b4633caf0414fbba0ca9bf4e637c0d0995c904e77

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

Filesize
324KB

MD5
76fcdcacd813b59479001be7e4991204

SHA1
9c1e8d4eae96da920dda1bf281d859c0c0877df3

SHA256
a846509c7f3d9baa15ebc776151aead1bed1d0f58c4f190cb92df675891af604

SHA512
58778e5bf84d48272cdd1561ebba63f5196dd47a3eb204ab3e7b1e51fd3c13d5fee51055d7436445b02df60b4633caf0414fbba0ca9bf4e637c0d0995c904e77

Download Submit
memory/3040-135-0x0000000007D70000-0x0000000007DE6000-memory.dmp

Filesize
472KB

Download
memory/3040-132-0x0000000000B00000-0x0000000000B56000-memory.dmp

Filesize
344KB

Download
memory/3040-136-0x0000000007A90000-0x0000000007AAE000-memory.dmp

Filesize
120KB

Download
memory/3040-134-0x0000000007AD0000-0x0000000007B62000-memory.dmp

Filesize
584KB

Download
memory/3040-133-0x0000000007FE0000-0x0000000008584000-memory.dmp

Filesize
5.6MB

Download
memory/4948-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4948-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4948-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads