3bedfcc2b68a5d9c280ca441cf617ad6ff42dbd736f3998c045abdd6065aca4e

Analysis

max time kernel
4294183s
max time network
128s
platform
windows7_x64
resource
win7-20220310-en
submitted
31/03/2022, 09:21

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General

Target
104d8f2f4fbab0212c7dc0b0979035f9.exe
Size 286KB
Sample220331-lbbehshfb2
SHA256 3bedfcc2b68a5d9c280ca441cf617ad6ff42dbd736f3998c045abdd6065aca4e
MD5 104d8f2f4fbab0212c7dc0b0979035f9
SHA1 68650519c758fd07c48f41119c7a915f2e88f080
SHA512 28ac470c1887bd98c18024173c3d01d1e58e17e5f8148ee2b7763f53b14addf592ae01f7baff08c9176a3bae4cc43e8a21af71d863f1d3ccbd76d84c604a54f1
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1192	oobeldr.exe

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
2044	schtasks.exe
1620	schtasks.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2044	1916	104d8f2f4fbab0212c7dc0b0979035f9.exe	27
PID 1916 wrote to memory of 2044	1916	104d8f2f4fbab0212c7dc0b0979035f9.exe	27
PID 1916 wrote to memory of 2044	1916	104d8f2f4fbab0212c7dc0b0979035f9.exe	27
PID 1916 wrote to memory of 2044	1916	104d8f2f4fbab0212c7dc0b0979035f9.exe	27
PID 1420 wrote to memory of 1192	1420	taskeng.exe	32
PID 1420 wrote to memory of 1192	1420	taskeng.exe	32
PID 1420 wrote to memory of 1192	1420	taskeng.exe	32
PID 1420 wrote to memory of 1192	1420	taskeng.exe	32
PID 1192 wrote to memory of 1620	1192	oobeldr.exe	33
PID 1192 wrote to memory of 1620	1192	oobeldr.exe	33
PID 1192 wrote to memory of 1620	1192	oobeldr.exe	33
PID 1192 wrote to memory of 1620	1192	oobeldr.exe	33

C:\Users\Admin\AppData\Local\Temp\104d8f2f4fbab0212c7dc0b0979035f9.exe
"C:\Users\Admin\AppData\Local\Temp\104d8f2f4fbab0212c7dc0b0979035f9.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1916
- 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"
  2⤵
  - Creates scheduled task(s)
  PID:2044

C:\Windows\system32\taskeng.exe
taskeng.exe {F51CFB38-5BFD-41B3-B989-BD02CD7EAB8B} S-1-5-21-2932610838-281738825-1127631353-1000:NXLKCZKF\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1420
- 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:1192
- - 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:1620

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

Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Size 286KB
SHA256 3bedfcc2b68a5d9c280ca441cf617ad6ff42dbd736f3998c045abdd6065aca4e
MD5 104d8f2f4fbab0212c7dc0b0979035f9
SHA1 68650519c758fd07c48f41119c7a915f2e88f080
SHA512 28ac470c1887bd98c18024173c3d01d1e58e17e5f8148ee2b7763f53b14addf592ae01f7baff08c9176a3bae4cc43e8a21af71d863f1d3ccbd76d84c604a54f1
MD5 SHA1 SHA512

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oobeldr.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Size 286KB
SHA256 3bedfcc2b68a5d9c280ca441cf617ad6ff42dbd736f3998c045abdd6065aca4e
MD5 104d8f2f4fbab0212c7dc0b0979035f9
SHA1 68650519c758fd07c48f41119c7a915f2e88f080
SHA512 28ac470c1887bd98c18024173c3d01d1e58e17e5f8148ee2b7763f53b14addf592ae01f7baff08c9176a3bae4cc43e8a21af71d863f1d3ccbd76d84c604a54f1
MD5 SHA1 SHA512

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memory/1192-63-0x00000000005BF000-0x00000000005C8000-memory.dmp

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memory/1192-67-0x0000000000230000-0x0000000000234000-memory.dmp

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memory/1192-66-0x00000000005BF000-0x00000000005C8000-memory.dmp

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memory/1192-68-0x0000000000400000-0x000000000048C000-memory.dmp

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memory/1916-57-0x00000000001B0000-0x00000000001B4000-memory.dmp

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memory/1916-58-0x0000000000400000-0x000000000048C000-memory.dmp

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memory/1916-56-0x000000000028E000-0x0000000000297000-memory.dmp

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memory/1916-55-0x00000000760A1000-0x00000000760A3000-memory.dmp

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memory/1916-54-0x000000000028E000-0x0000000000297000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads