e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243

Analysis

max time kernel
148s
max time network
127s
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 12:18

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General

Target

e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe
Size

324KB
MD5

70d0fb2cad7471d01432c19d5538176b
SHA1

555a566f370e57c98edf6b39aafbb24ec8b57d41
SHA256

e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243
SHA512

b21a36f7d50bab4e1fb23d538733fb78f5c1ef277b4a2bfc59cd00299f0127a8486dfce6ac25f97c46f6e16f0691f64e6fb73830bca34fe0a6f26368bcc22430
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 5 IoCs

pid	Process
4748	oobeldr.exe
404	oobeldr.exe
4828	oobeldr.exe
916	oobeldr.exe
1012	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2836 set thread context of 1028	2836	e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe	81
PID 4748 set thread context of 404	4748	oobeldr.exe	91
PID 4828 set thread context of 916	4828	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
2308	schtasks.exe
3484	schtasks.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 1028	2836	e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe	81
PID 2836 wrote to memory of 1028	2836	e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe	81
PID 2836 wrote to memory of 1028	2836	e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe	81
PID 2836 wrote to memory of 1028	2836	e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe	81
PID 2836 wrote to memory of 1028	2836	e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe	81
PID 2836 wrote to memory of 1028	2836	e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe	81
PID 2836 wrote to memory of 1028	2836	e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe	81
PID 2836 wrote to memory of 1028	2836	e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe	81
PID 2836 wrote to memory of 1028	2836	e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe	81
PID 1028 wrote to memory of 3484	1028	e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe	85
PID 1028 wrote to memory of 3484	1028	e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe	85
PID 1028 wrote to memory of 3484	1028	e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe	85
PID 4748 wrote to memory of 404	4748	oobeldr.exe	91
PID 4748 wrote to memory of 404	4748	oobeldr.exe	91
PID 4748 wrote to memory of 404	4748	oobeldr.exe	91
PID 4748 wrote to memory of 404	4748	oobeldr.exe	91
PID 4748 wrote to memory of 404	4748	oobeldr.exe	91
PID 4748 wrote to memory of 404	4748	oobeldr.exe	91
PID 4748 wrote to memory of 404	4748	oobeldr.exe	91
PID 4748 wrote to memory of 404	4748	oobeldr.exe	91
PID 4748 wrote to memory of 404	4748	oobeldr.exe	91
PID 404 wrote to memory of 2308	404	oobeldr.exe	93
PID 404 wrote to memory of 2308	404	oobeldr.exe	93
PID 404 wrote to memory of 2308	404	oobeldr.exe	93
PID 4828 wrote to memory of 916	4828	oobeldr.exe	96
PID 4828 wrote to memory of 916	4828	oobeldr.exe	96
PID 4828 wrote to memory of 916	4828	oobeldr.exe	96
PID 4828 wrote to memory of 916	4828	oobeldr.exe	96
PID 4828 wrote to memory of 916	4828	oobeldr.exe	96
PID 4828 wrote to memory of 916	4828	oobeldr.exe	96
PID 4828 wrote to memory of 916	4828	oobeldr.exe	96
PID 4828 wrote to memory of 916	4828	oobeldr.exe	96
PID 4828 wrote to memory of 916	4828	oobeldr.exe	96
PID 1012 wrote to memory of 2980	1012	oobeldr.exe	98
PID 1012 wrote to memory of 2980	1012	oobeldr.exe	98
PID 1012 wrote to memory of 2980	1012	oobeldr.exe	98

C:\Users\Admin\AppData\Local\Temp\e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe
"C:\Users\Admin\AppData\Local\Temp\e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Users\Admin\AppData\Local\Temp\e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe
  C:\Users\Admin\AppData\Local\Temp\e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1028
- - 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:3484

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:4748
- 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:404
- - 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:2308

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:4828
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:916

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 WriteProcessMemory
PID:1012
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  PID:2980

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
324KB

MD5
70d0fb2cad7471d01432c19d5538176b

SHA1
555a566f370e57c98edf6b39aafbb24ec8b57d41

SHA256
e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243

SHA512
b21a36f7d50bab4e1fb23d538733fb78f5c1ef277b4a2bfc59cd00299f0127a8486dfce6ac25f97c46f6e16f0691f64e6fb73830bca34fe0a6f26368bcc22430

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

Filesize
324KB

MD5
70d0fb2cad7471d01432c19d5538176b

SHA1
555a566f370e57c98edf6b39aafbb24ec8b57d41

SHA256
e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243

SHA512
b21a36f7d50bab4e1fb23d538733fb78f5c1ef277b4a2bfc59cd00299f0127a8486dfce6ac25f97c46f6e16f0691f64e6fb73830bca34fe0a6f26368bcc22430

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

Filesize
324KB

MD5
70d0fb2cad7471d01432c19d5538176b

SHA1
555a566f370e57c98edf6b39aafbb24ec8b57d41

SHA256
e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243

SHA512
b21a36f7d50bab4e1fb23d538733fb78f5c1ef277b4a2bfc59cd00299f0127a8486dfce6ac25f97c46f6e16f0691f64e6fb73830bca34fe0a6f26368bcc22430

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

Filesize
324KB

MD5
70d0fb2cad7471d01432c19d5538176b

SHA1
555a566f370e57c98edf6b39aafbb24ec8b57d41

SHA256
e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243

SHA512
b21a36f7d50bab4e1fb23d538733fb78f5c1ef277b4a2bfc59cd00299f0127a8486dfce6ac25f97c46f6e16f0691f64e6fb73830bca34fe0a6f26368bcc22430

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

Filesize
324KB

MD5
70d0fb2cad7471d01432c19d5538176b

SHA1
555a566f370e57c98edf6b39aafbb24ec8b57d41

SHA256
e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243

SHA512
b21a36f7d50bab4e1fb23d538733fb78f5c1ef277b4a2bfc59cd00299f0127a8486dfce6ac25f97c46f6e16f0691f64e6fb73830bca34fe0a6f26368bcc22430

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

Filesize
324KB

MD5
70d0fb2cad7471d01432c19d5538176b

SHA1
555a566f370e57c98edf6b39aafbb24ec8b57d41

SHA256
e9b4c9bfc57b0a1dbfff5f37e333f4335cd02820c698aee46b97ef1685e80243

SHA512
b21a36f7d50bab4e1fb23d538733fb78f5c1ef277b4a2bfc59cd00299f0127a8486dfce6ac25f97c46f6e16f0691f64e6fb73830bca34fe0a6f26368bcc22430

Download Submit
memory/1028-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1028-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1028-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2836-135-0x0000000008250000-0x00000000082C6000-memory.dmp

Filesize
472KB

Download
memory/2836-132-0x0000000000F90000-0x0000000000FE6000-memory.dmp

Filesize
344KB

Download
memory/2836-133-0x00000000084C0000-0x0000000008A64000-memory.dmp

Filesize
5.6MB

Download
memory/2836-134-0x0000000007FB0000-0x0000000008042000-memory.dmp

Filesize
584KB

Download
memory/2836-136-0x0000000007F30000-0x0000000007F4E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads