f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa

Analysis

max time kernel
103s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/11/2022, 04:54

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General

Target

f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe
Size

326KB
MD5

253d72fe089848b0fa121629a07185b9
SHA1

07b6788fcaf09993d2ab9a03f54c519bc3926e78
SHA256

f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa
SHA512

72ad2264bf157ac72a01325470c2b7793b6f17063ad5ff8d5a93d69d149b10d64926af44e8b41a39797c3e09dc07904a7f9c1931d5ca62a8592892ac25acbf49
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 4 IoCs

pid	Process
3404	oobeldr.exe
3892	oobeldr.exe
1392	oobeldr.exe
4340	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1992 set thread context of 2316	1992	f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe	80
PID 3404 set thread context of 3892	3404	oobeldr.exe	91
PID 1392 set thread context of 4340	1392	oobeldr.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
5028	schtasks.exe
320	schtasks.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2316	1992	f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe	80
PID 1992 wrote to memory of 2316	1992	f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe	80
PID 1992 wrote to memory of 2316	1992	f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe	80
PID 1992 wrote to memory of 2316	1992	f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe	80
PID 1992 wrote to memory of 2316	1992	f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe	80
PID 1992 wrote to memory of 2316	1992	f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe	80
PID 1992 wrote to memory of 2316	1992	f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe	80
PID 1992 wrote to memory of 2316	1992	f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe	80
PID 1992 wrote to memory of 2316	1992	f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe	80
PID 2316 wrote to memory of 5028	2316	f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe	83
PID 2316 wrote to memory of 5028	2316	f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe	83
PID 2316 wrote to memory of 5028	2316	f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe	83
PID 3404 wrote to memory of 3892	3404	oobeldr.exe	91
PID 3404 wrote to memory of 3892	3404	oobeldr.exe	91
PID 3404 wrote to memory of 3892	3404	oobeldr.exe	91
PID 3404 wrote to memory of 3892	3404	oobeldr.exe	91
PID 3404 wrote to memory of 3892	3404	oobeldr.exe	91
PID 3404 wrote to memory of 3892	3404	oobeldr.exe	91
PID 3404 wrote to memory of 3892	3404	oobeldr.exe	91
PID 3404 wrote to memory of 3892	3404	oobeldr.exe	91
PID 3404 wrote to memory of 3892	3404	oobeldr.exe	91
PID 3892 wrote to memory of 320	3892	oobeldr.exe	92
PID 3892 wrote to memory of 320	3892	oobeldr.exe	92
PID 3892 wrote to memory of 320	3892	oobeldr.exe	92
PID 1392 wrote to memory of 4340	1392	oobeldr.exe	95
PID 1392 wrote to memory of 4340	1392	oobeldr.exe	95
PID 1392 wrote to memory of 4340	1392	oobeldr.exe	95
PID 1392 wrote to memory of 4340	1392	oobeldr.exe	95
PID 1392 wrote to memory of 4340	1392	oobeldr.exe	95
PID 1392 wrote to memory of 4340	1392	oobeldr.exe	95
PID 1392 wrote to memory of 4340	1392	oobeldr.exe	95
PID 1392 wrote to memory of 4340	1392	oobeldr.exe	95
PID 1392 wrote to memory of 4340	1392	oobeldr.exe	95

C:\Users\Admin\AppData\Local\Temp\f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe
"C:\Users\Admin\AppData\Local\Temp\f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Local\Temp\f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe
  C:\Users\Admin\AppData\Local\Temp\f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2316
- - 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:5028

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:3404
- 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:3892
- - 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:320

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:1392
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4340

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

Replay Monitor

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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
253d72fe089848b0fa121629a07185b9

SHA1
07b6788fcaf09993d2ab9a03f54c519bc3926e78

SHA256
f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa

SHA512
72ad2264bf157ac72a01325470c2b7793b6f17063ad5ff8d5a93d69d149b10d64926af44e8b41a39797c3e09dc07904a7f9c1931d5ca62a8592892ac25acbf49

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

Filesize
326KB

MD5
253d72fe089848b0fa121629a07185b9

SHA1
07b6788fcaf09993d2ab9a03f54c519bc3926e78

SHA256
f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa

SHA512
72ad2264bf157ac72a01325470c2b7793b6f17063ad5ff8d5a93d69d149b10d64926af44e8b41a39797c3e09dc07904a7f9c1931d5ca62a8592892ac25acbf49

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

Filesize
326KB

MD5
253d72fe089848b0fa121629a07185b9

SHA1
07b6788fcaf09993d2ab9a03f54c519bc3926e78

SHA256
f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa

SHA512
72ad2264bf157ac72a01325470c2b7793b6f17063ad5ff8d5a93d69d149b10d64926af44e8b41a39797c3e09dc07904a7f9c1931d5ca62a8592892ac25acbf49

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

Filesize
326KB

MD5
253d72fe089848b0fa121629a07185b9

SHA1
07b6788fcaf09993d2ab9a03f54c519bc3926e78

SHA256
f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa

SHA512
72ad2264bf157ac72a01325470c2b7793b6f17063ad5ff8d5a93d69d149b10d64926af44e8b41a39797c3e09dc07904a7f9c1931d5ca62a8592892ac25acbf49

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

Filesize
326KB

MD5
253d72fe089848b0fa121629a07185b9

SHA1
07b6788fcaf09993d2ab9a03f54c519bc3926e78

SHA256
f267840fc759c23ea356e32bd242cfaac490ecc5e135d602ed2b17a3e8034efa

SHA512
72ad2264bf157ac72a01325470c2b7793b6f17063ad5ff8d5a93d69d149b10d64926af44e8b41a39797c3e09dc07904a7f9c1931d5ca62a8592892ac25acbf49

Download Submit
memory/1992-136-0x00000000070C0000-0x00000000070DE000-memory.dmp

Filesize
120KB

Download
memory/1992-132-0x0000000000130000-0x0000000000186000-memory.dmp

Filesize
344KB

Download
memory/1992-135-0x00000000073C0000-0x0000000007436000-memory.dmp

Filesize
472KB

Download
memory/1992-134-0x0000000007120000-0x00000000071B2000-memory.dmp

Filesize
584KB

Download
memory/1992-133-0x00000000075F0000-0x0000000007B94000-memory.dmp

Filesize
5.6MB

Download
memory/2316-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2316-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2316-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads