75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2023, 08:39

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General

Target

75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe
Size

329KB
MD5

0e41c1ca80da96a2172887889ede7af8
SHA1

c9753dc449f465e98462b0b1c2fec69f40af364c
SHA256

75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035
SHA512

b454d172d30c5202d9ec0dfa6f32b18925edf17102003c6ba85624f684318bb68c911b0dfbec0197b609a83d9f5c077766e1561327a11670c8f53b6361645579
SSDEEP

6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 5 IoCs

pid	Process
3808	oobeldr.exe
3828	oobeldr.exe
4408	oobeldr.exe
4292	oobeldr.exe
4296	oobeldr.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3416 set thread context of 4808	3416	75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe	81
PID 3808 set thread context of 4408	3808	oobeldr.exe	93
PID 4292 set thread context of 4296	4292	oobeldr.exe	97

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
4596	schtasks.exe
1544	schtasks.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3416 wrote to memory of 4808	3416	75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe	81
PID 3416 wrote to memory of 4808	3416	75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe	81
PID 3416 wrote to memory of 4808	3416	75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe	81
PID 3416 wrote to memory of 4808	3416	75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe	81
PID 3416 wrote to memory of 4808	3416	75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe	81
PID 3416 wrote to memory of 4808	3416	75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe	81
PID 3416 wrote to memory of 4808	3416	75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe	81
PID 3416 wrote to memory of 4808	3416	75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe	81
PID 3416 wrote to memory of 4808	3416	75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe	81
PID 4808 wrote to memory of 4596	4808	75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe	82
PID 4808 wrote to memory of 4596	4808	75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe	82
PID 4808 wrote to memory of 4596	4808	75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe	82
PID 3808 wrote to memory of 3828	3808	oobeldr.exe	92
PID 3808 wrote to memory of 3828	3808	oobeldr.exe	92
PID 3808 wrote to memory of 3828	3808	oobeldr.exe	92
PID 3808 wrote to memory of 4408	3808	oobeldr.exe	93
PID 3808 wrote to memory of 4408	3808	oobeldr.exe	93
PID 3808 wrote to memory of 4408	3808	oobeldr.exe	93
PID 3808 wrote to memory of 4408	3808	oobeldr.exe	93
PID 3808 wrote to memory of 4408	3808	oobeldr.exe	93
PID 3808 wrote to memory of 4408	3808	oobeldr.exe	93
PID 3808 wrote to memory of 4408	3808	oobeldr.exe	93
PID 3808 wrote to memory of 4408	3808	oobeldr.exe	93
PID 3808 wrote to memory of 4408	3808	oobeldr.exe	93
PID 4408 wrote to memory of 1544	4408	oobeldr.exe	94
PID 4408 wrote to memory of 1544	4408	oobeldr.exe	94
PID 4408 wrote to memory of 1544	4408	oobeldr.exe	94
PID 4292 wrote to memory of 4296	4292	oobeldr.exe	97
PID 4292 wrote to memory of 4296	4292	oobeldr.exe	97
PID 4292 wrote to memory of 4296	4292	oobeldr.exe	97
PID 4292 wrote to memory of 4296	4292	oobeldr.exe	97
PID 4292 wrote to memory of 4296	4292	oobeldr.exe	97
PID 4292 wrote to memory of 4296	4292	oobeldr.exe	97
PID 4292 wrote to memory of 4296	4292	oobeldr.exe	97
PID 4292 wrote to memory of 4296	4292	oobeldr.exe	97
PID 4292 wrote to memory of 4296	4292	oobeldr.exe	97

C:\Users\Admin\AppData\Local\Temp\75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe
"C:\Users\Admin\AppData\Local\Temp\75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Users\Admin\AppData\Local\Temp\75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe
  C:\Users\Admin\AppData\Local\Temp\75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4808
- - 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:4596

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:3808
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:3828
- 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:4408
- - 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:1544

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:4292
- C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
  2⤵
  - Executes dropped EXE
  PID:4296

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
329KB

MD5
0e41c1ca80da96a2172887889ede7af8

SHA1
c9753dc449f465e98462b0b1c2fec69f40af364c

SHA256
75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035

SHA512
b454d172d30c5202d9ec0dfa6f32b18925edf17102003c6ba85624f684318bb68c911b0dfbec0197b609a83d9f5c077766e1561327a11670c8f53b6361645579

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

Filesize
329KB

MD5
0e41c1ca80da96a2172887889ede7af8

SHA1
c9753dc449f465e98462b0b1c2fec69f40af364c

SHA256
75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035

SHA512
b454d172d30c5202d9ec0dfa6f32b18925edf17102003c6ba85624f684318bb68c911b0dfbec0197b609a83d9f5c077766e1561327a11670c8f53b6361645579

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

Filesize
329KB

MD5
0e41c1ca80da96a2172887889ede7af8

SHA1
c9753dc449f465e98462b0b1c2fec69f40af364c

SHA256
75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035

SHA512
b454d172d30c5202d9ec0dfa6f32b18925edf17102003c6ba85624f684318bb68c911b0dfbec0197b609a83d9f5c077766e1561327a11670c8f53b6361645579

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

Filesize
329KB

MD5
0e41c1ca80da96a2172887889ede7af8

SHA1
c9753dc449f465e98462b0b1c2fec69f40af364c

SHA256
75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035

SHA512
b454d172d30c5202d9ec0dfa6f32b18925edf17102003c6ba85624f684318bb68c911b0dfbec0197b609a83d9f5c077766e1561327a11670c8f53b6361645579

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

Filesize
329KB

MD5
0e41c1ca80da96a2172887889ede7af8

SHA1
c9753dc449f465e98462b0b1c2fec69f40af364c

SHA256
75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035

SHA512
b454d172d30c5202d9ec0dfa6f32b18925edf17102003c6ba85624f684318bb68c911b0dfbec0197b609a83d9f5c077766e1561327a11670c8f53b6361645579

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

Filesize
329KB

MD5
0e41c1ca80da96a2172887889ede7af8

SHA1
c9753dc449f465e98462b0b1c2fec69f40af364c

SHA256
75912e89327e948d433e77276d637bd791959c0223f0fe8bf99ada18f37a1035

SHA512
b454d172d30c5202d9ec0dfa6f32b18925edf17102003c6ba85624f684318bb68c911b0dfbec0197b609a83d9f5c077766e1561327a11670c8f53b6361645579

Download Submit
memory/3416-136-0x0000000004D10000-0x0000000004D2E000-memory.dmp

Filesize
120KB

Download
memory/3416-132-0x0000000000250000-0x00000000002A6000-memory.dmp

Filesize
344KB

Download
memory/3416-135-0x0000000007530000-0x00000000075A6000-memory.dmp

Filesize
472KB

Download
memory/3416-134-0x0000000007210000-0x00000000072A2000-memory.dmp

Filesize
584KB

Download
memory/3416-133-0x00000000076E0000-0x0000000007C84000-memory.dmp

Filesize
5.6MB

Download
memory/4808-142-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4808-140-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4808-138-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads