926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4

Analysis

max time kernel
98s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2022, 01:32

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General

Target
926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe
Size 322KB
Sample221101-bx56xaehh5
SHA256 926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4
MD5 79ee81b76cc8652b4973d0e41feaf1fb
SHA1 3fc45a0a67205d1dbd56c4e1e254b23c98c91835
SHA512 1922abd4f6e7b9979463ca335b285db23e17de12d26fd56856294d8c1cd881e67691db5d0a884d4de5b88381e5b16ba0d1303a311bd57733720e29f8fe5b9d1b
SSDEEP 6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3020	oobeldr.exe
2380	oobeldr.exe
3308	oobeldr.exe
536	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1556 set thread context of 3652	1556	926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe	81
PID 3020 set thread context of 2380	3020	oobeldr.exe	92
PID 3308 set thread context of 536	3308	oobeldr.exe	96

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
4060	schtasks.exe
3452	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 3652	1556	926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe	81
PID 1556 wrote to memory of 3652	1556	926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe	81
PID 1556 wrote to memory of 3652	1556	926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe	81
PID 1556 wrote to memory of 3652	1556	926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe	81
PID 1556 wrote to memory of 3652	1556	926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe	81
PID 1556 wrote to memory of 3652	1556	926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe	81
PID 1556 wrote to memory of 3652	1556	926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe	81
PID 1556 wrote to memory of 3652	1556	926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe	81
PID 1556 wrote to memory of 3652	1556	926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe	81
PID 3652 wrote to memory of 4060	3652	926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe	85
PID 3652 wrote to memory of 4060	3652	926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe	85
PID 3652 wrote to memory of 4060	3652	926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe	85
PID 3020 wrote to memory of 2380	3020	oobeldr.exe	92
PID 3020 wrote to memory of 2380	3020	oobeldr.exe	92
PID 3020 wrote to memory of 2380	3020	oobeldr.exe	92
PID 3020 wrote to memory of 2380	3020	oobeldr.exe	92
PID 3020 wrote to memory of 2380	3020	oobeldr.exe	92
PID 3020 wrote to memory of 2380	3020	oobeldr.exe	92
PID 3020 wrote to memory of 2380	3020	oobeldr.exe	92
PID 3020 wrote to memory of 2380	3020	oobeldr.exe	92
PID 3020 wrote to memory of 2380	3020	oobeldr.exe	92
PID 2380 wrote to memory of 3452	2380	oobeldr.exe	93
PID 2380 wrote to memory of 3452	2380	oobeldr.exe	93
PID 2380 wrote to memory of 3452	2380	oobeldr.exe	93
PID 3308 wrote to memory of 536	3308	oobeldr.exe	96
PID 3308 wrote to memory of 536	3308	oobeldr.exe	96
PID 3308 wrote to memory of 536	3308	oobeldr.exe	96
PID 3308 wrote to memory of 536	3308	oobeldr.exe	96
PID 3308 wrote to memory of 536	3308	oobeldr.exe	96
PID 3308 wrote to memory of 536	3308	oobeldr.exe	96
PID 3308 wrote to memory of 536	3308	oobeldr.exe	96
PID 3308 wrote to memory of 536	3308	oobeldr.exe	96
PID 3308 wrote to memory of 536	3308	oobeldr.exe	96

C:\Users\Admin\AppData\Local\Temp\926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe
"C:\Users\Admin\AppData\Local\Temp\926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1556
- C:\Users\Admin\AppData\Local\Temp\926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe
  C:\Users\Admin\AppData\Local\Temp\926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3652
- - 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:4060

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:3020
- 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:2380
- - 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:3452

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:3308
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:536

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

oobeldr.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\oobeldr.exe.log
Size 789B
SHA256 745ab70552d9a0463b791fd8dc1942838ac3e34fb1a68f09ed3766c7e3b05631
MD5 03d2df1e8834bc4ec1756735429b458c
SHA1 4ee6c0f5b04c8e0c5076219c5724032daab11d40
SHA512 2482c3d4478125ccbc7f224f50e86b7bf925ed438b59f4dce57b9b6bcdb59df51417049096b131b6b911173550eed98bc92aba7050861de303a692f0681b197b
MD5 SHA1 SHA512

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oobeldr.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Size 322KB
SHA256 926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4
MD5 79ee81b76cc8652b4973d0e41feaf1fb
SHA1 3fc45a0a67205d1dbd56c4e1e254b23c98c91835
SHA512 1922abd4f6e7b9979463ca335b285db23e17de12d26fd56856294d8c1cd881e67691db5d0a884d4de5b88381e5b16ba0d1303a311bd57733720e29f8fe5b9d1b
SSDEEP 6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj
MD5 SHA1 SHA512 SSDEEP

Submit Download

oobeldr.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Size 322KB
SHA256 926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4
MD5 79ee81b76cc8652b4973d0e41feaf1fb
SHA1 3fc45a0a67205d1dbd56c4e1e254b23c98c91835
SHA512 1922abd4f6e7b9979463ca335b285db23e17de12d26fd56856294d8c1cd881e67691db5d0a884d4de5b88381e5b16ba0d1303a311bd57733720e29f8fe5b9d1b
SSDEEP 6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj
MD5 SHA1 SHA512 SSDEEP

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oobeldr.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Size 322KB
SHA256 926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4
MD5 79ee81b76cc8652b4973d0e41feaf1fb
SHA1 3fc45a0a67205d1dbd56c4e1e254b23c98c91835
SHA512 1922abd4f6e7b9979463ca335b285db23e17de12d26fd56856294d8c1cd881e67691db5d0a884d4de5b88381e5b16ba0d1303a311bd57733720e29f8fe5b9d1b
SSDEEP 6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj
MD5 SHA1 SHA512 SSDEEP

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oobeldr.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Size 322KB
SHA256 926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4
MD5 79ee81b76cc8652b4973d0e41feaf1fb
SHA1 3fc45a0a67205d1dbd56c4e1e254b23c98c91835
SHA512 1922abd4f6e7b9979463ca335b285db23e17de12d26fd56856294d8c1cd881e67691db5d0a884d4de5b88381e5b16ba0d1303a311bd57733720e29f8fe5b9d1b
SSDEEP 6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj
MD5 SHA1 SHA512 SSDEEP

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oobeldr.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Size 322KB
SHA256 926c67e0baf5648e323588e957bf35091c56c50a03316186e0fab26f0334d6f4
MD5 79ee81b76cc8652b4973d0e41feaf1fb
SHA1 3fc45a0a67205d1dbd56c4e1e254b23c98c91835
SHA512 1922abd4f6e7b9979463ca335b285db23e17de12d26fd56856294d8c1cd881e67691db5d0a884d4de5b88381e5b16ba0d1303a311bd57733720e29f8fe5b9d1b
SSDEEP 6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj
MD5 SHA1 SHA512 SSDEEP

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memory/1556-132-0x0000000000190000-0x00000000001E6000-memory.dmp

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memory/1556-133-0x0000000007630000-0x0000000007BD4000-memory.dmp

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memory/1556-134-0x0000000007160000-0x00000000071F2000-memory.dmp

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memory/1556-135-0x0000000007400000-0x0000000007476000-memory.dmp

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memory/1556-136-0x0000000007120000-0x000000000713E000-memory.dmp

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memory/3652-142-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/3652-140-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/3652-138-0x0000000000400000-0x0000000000406000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads