f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e

Analysis

max time kernel
98s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2022, 22:45

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General

Target
f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe
Size 322KB
Sample221031-2pjaaadhb2
SHA256 f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e
MD5 6e895103184404ead45abc5e1a33640d
SHA1 7124296b26203e8a0ecfc21edcd469a95e05ae01
SHA512 978907c39d6c3c19d4995e2f480d5c6817ac87029a54f8d5c8312deff48cc000a5bc4eeae3127903c98c571132b48d9f1b8bb6a444bdffc821fd8b33f8d186a4
SSDEEP 6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
1268	oobeldr.exe
3556	oobeldr.exe
4196	oobeldr.exe
2424	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1932 set thread context of 4832	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	83
PID 1268 set thread context of 3556	1268	oobeldr.exe	94
PID 4196 set thread context of 2424	4196	oobeldr.exe	98

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
4572	schtasks.exe
2368	schtasks.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2640	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	80
PID 1932 wrote to memory of 2640	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	80
PID 1932 wrote to memory of 2640	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	80
PID 1932 wrote to memory of 3188	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	81
PID 1932 wrote to memory of 3188	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	81
PID 1932 wrote to memory of 3188	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	81
PID 1932 wrote to memory of 4880	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	82
PID 1932 wrote to memory of 4880	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	82
PID 1932 wrote to memory of 4880	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	82
PID 1932 wrote to memory of 4832	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	83
PID 1932 wrote to memory of 4832	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	83
PID 1932 wrote to memory of 4832	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	83
PID 1932 wrote to memory of 4832	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	83
PID 1932 wrote to memory of 4832	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	83
PID 1932 wrote to memory of 4832	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	83
PID 1932 wrote to memory of 4832	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	83
PID 1932 wrote to memory of 4832	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	83
PID 1932 wrote to memory of 4832	1932	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	83
PID 4832 wrote to memory of 4572	4832	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	87
PID 4832 wrote to memory of 4572	4832	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	87
PID 4832 wrote to memory of 4572	4832	f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe	87
PID 1268 wrote to memory of 3556	1268	oobeldr.exe	94
PID 1268 wrote to memory of 3556	1268	oobeldr.exe	94
PID 1268 wrote to memory of 3556	1268	oobeldr.exe	94
PID 1268 wrote to memory of 3556	1268	oobeldr.exe	94
PID 1268 wrote to memory of 3556	1268	oobeldr.exe	94
PID 1268 wrote to memory of 3556	1268	oobeldr.exe	94
PID 1268 wrote to memory of 3556	1268	oobeldr.exe	94
PID 1268 wrote to memory of 3556	1268	oobeldr.exe	94
PID 1268 wrote to memory of 3556	1268	oobeldr.exe	94
PID 3556 wrote to memory of 2368	3556	oobeldr.exe	96
PID 3556 wrote to memory of 2368	3556	oobeldr.exe	96
PID 3556 wrote to memory of 2368	3556	oobeldr.exe	96
PID 4196 wrote to memory of 2424	4196	oobeldr.exe	98
PID 4196 wrote to memory of 2424	4196	oobeldr.exe	98
PID 4196 wrote to memory of 2424	4196	oobeldr.exe	98
PID 4196 wrote to memory of 2424	4196	oobeldr.exe	98
PID 4196 wrote to memory of 2424	4196	oobeldr.exe	98
PID 4196 wrote to memory of 2424	4196	oobeldr.exe	98
PID 4196 wrote to memory of 2424	4196	oobeldr.exe	98
PID 4196 wrote to memory of 2424	4196	oobeldr.exe	98
PID 4196 wrote to memory of 2424	4196	oobeldr.exe	98

C:\Users\Admin\AppData\Local\Temp\f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe
"C:\Users\Admin\AppData\Local\Temp\f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\Temp\f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe
  C:\Users\Admin\AppData\Local\Temp\f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe
  2⤵
  PID:2640
- C:\Users\Admin\AppData\Local\Temp\f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe
  C:\Users\Admin\AppData\Local\Temp\f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe
  2⤵
  PID:3188
- C:\Users\Admin\AppData\Local\Temp\f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe
  C:\Users\Admin\AppData\Local\Temp\f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe
  2⤵
  PID:4880
- C:\Users\Admin\AppData\Local\Temp\f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe
  C:\Users\Admin\AppData\Local\Temp\f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4832
- - 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:4572

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:1268
- 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:3556
- - 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:2368

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:4196
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:2424

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 f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e
MD5 6e895103184404ead45abc5e1a33640d
SHA1 7124296b26203e8a0ecfc21edcd469a95e05ae01
SHA512 978907c39d6c3c19d4995e2f480d5c6817ac87029a54f8d5c8312deff48cc000a5bc4eeae3127903c98c571132b48d9f1b8bb6a444bdffc821fd8b33f8d186a4
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 f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e
MD5 6e895103184404ead45abc5e1a33640d
SHA1 7124296b26203e8a0ecfc21edcd469a95e05ae01
SHA512 978907c39d6c3c19d4995e2f480d5c6817ac87029a54f8d5c8312deff48cc000a5bc4eeae3127903c98c571132b48d9f1b8bb6a444bdffc821fd8b33f8d186a4
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 f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e
MD5 6e895103184404ead45abc5e1a33640d
SHA1 7124296b26203e8a0ecfc21edcd469a95e05ae01
SHA512 978907c39d6c3c19d4995e2f480d5c6817ac87029a54f8d5c8312deff48cc000a5bc4eeae3127903c98c571132b48d9f1b8bb6a444bdffc821fd8b33f8d186a4
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 f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e
MD5 6e895103184404ead45abc5e1a33640d
SHA1 7124296b26203e8a0ecfc21edcd469a95e05ae01
SHA512 978907c39d6c3c19d4995e2f480d5c6817ac87029a54f8d5c8312deff48cc000a5bc4eeae3127903c98c571132b48d9f1b8bb6a444bdffc821fd8b33f8d186a4
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 f1b9c3cefb66bf796322530a165538df3622fbfe15791b7d9b0540d2c882e74e
MD5 6e895103184404ead45abc5e1a33640d
SHA1 7124296b26203e8a0ecfc21edcd469a95e05ae01
SHA512 978907c39d6c3c19d4995e2f480d5c6817ac87029a54f8d5c8312deff48cc000a5bc4eeae3127903c98c571132b48d9f1b8bb6a444bdffc821fd8b33f8d186a4
SSDEEP 6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj
MD5 SHA1 SHA512 SSDEEP

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memory/1932-136-0x0000000007EC0000-0x0000000007EDE000-memory.dmp

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memory/1932-132-0x0000000000F30000-0x0000000000F86000-memory.dmp

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memory/1932-135-0x00000000081D0000-0x0000000008246000-memory.dmp

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memory/1932-134-0x0000000007F30000-0x0000000007FC2000-memory.dmp

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memory/1932-133-0x0000000008440000-0x00000000089E4000-memory.dmp

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memory/4832-138-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/4832-142-0x0000000000400000-0x0000000000406000-memory.dmp

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memory/4832-140-0x0000000000400000-0x0000000000406000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads