453755b23c6df8cb1b2955135fe5aa8295eb0ce984f946967847b59cd87239e2

Resubmissions

24-11-2022 16:31

221124-t1lwjsae9x 10

25-10-2022 09:21

221025-lbcbtacbd5 8

Analysis

max time kernel
112s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25-10-2022 09:21

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General

Target

b491f711272344f719ee13d98ff337bf.exe
Size

7KB
MD5

b491f711272344f719ee13d98ff337bf
SHA1

f6f621d78adba380fd5da1e5b20e51b10e072d5f
SHA256

453755b23c6df8cb1b2955135fe5aa8295eb0ce984f946967847b59cd87239e2
SHA512

fe2be4e97f5d20d155bf30c2a5399923c20509fc096dd5abc38d32a08db627f0fdc78bde6699f0c01e50d3aa56b83c88f0b565c68b50e014e91ba4f92e30cc1f
SSDEEP

96:J0yVUrfA9pHTz6mOZDmuitgWeBksyixDIWlVOZBPTRsP0M:ZVz9JDOZadaWeuli95iTu

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

svcupdater.exe

pid process

3964 svcupdater.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1648 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b491f711272344f719ee13d98ff337bf.exesvcupdater.exe

description pid process

Token: SeDebugPrivilege 4956 b491f711272344f719ee13d98ff337bf.exe
Token: SeDebugPrivilege 3964 svcupdater.exe

pid	process
3964	svcupdater.exe

pid	process
1648	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	4956	b491f711272344f719ee13d98ff337bf.exe
Token: SeDebugPrivilege	3964	svcupdater.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b491f711272344f719ee13d98ff337bf.execmd.exe

description	pid	process	target process
PID 4956 wrote to memory of 4856	4956	b491f711272344f719ee13d98ff337bf.exe	cmd.exe
PID 4956 wrote to memory of 4856	4956	b491f711272344f719ee13d98ff337bf.exe	cmd.exe
PID 4856 wrote to memory of 1648	4856	cmd.exe	schtasks.exe
PID 4856 wrote to memory of 1648	4856	cmd.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b491f711272344f719ee13d98ff337bf.exe
"C:\Users\Admin\AppData\Local\Temp\b491f711272344f719ee13d98ff337bf.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4956
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C schtasks /create /tn \o5jbkg8hsq /tr "C:\Users\Admin\AppData\Roaming\o5jbkg8hsq\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4856
- - C:\Windows\system32\schtasks.exe
    schtasks /create /tn \o5jbkg8hsq /tr "C:\Users\Admin\AppData\Roaming\o5jbkg8hsq\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f
    3⤵
    - Creates scheduled task(s)
    PID:1648

C:\Users\Admin\AppData\Roaming\o5jbkg8hsq\svcupdater.exe
C:\Users\Admin\AppData\Roaming\o5jbkg8hsq\svcupdater.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3964

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\Roaming\o5jbkg8hsq\svcupdater.exe

Filesize
7KB

MD5
b491f711272344f719ee13d98ff337bf

SHA1
f6f621d78adba380fd5da1e5b20e51b10e072d5f

SHA256
453755b23c6df8cb1b2955135fe5aa8295eb0ce984f946967847b59cd87239e2

SHA512
fe2be4e97f5d20d155bf30c2a5399923c20509fc096dd5abc38d32a08db627f0fdc78bde6699f0c01e50d3aa56b83c88f0b565c68b50e014e91ba4f92e30cc1f

Download Submit
C:\Users\Admin\AppData\Roaming\o5jbkg8hsq\svcupdater.exe

Filesize
7KB

MD5
b491f711272344f719ee13d98ff337bf

SHA1
f6f621d78adba380fd5da1e5b20e51b10e072d5f

SHA256
453755b23c6df8cb1b2955135fe5aa8295eb0ce984f946967847b59cd87239e2

SHA512
fe2be4e97f5d20d155bf30c2a5399923c20509fc096dd5abc38d32a08db627f0fdc78bde6699f0c01e50d3aa56b83c88f0b565c68b50e014e91ba4f92e30cc1f

Download Submit
memory/1648-134-0x0000000000000000-mapping.dmp

Download
memory/3964-138-0x00007FFB85180000-0x00007FFB85C41000-memory.dmp

Filesize
10.8MB

Download
memory/3964-139-0x00007FFB85180000-0x00007FFB85C41000-memory.dmp

Filesize
10.8MB

Download
memory/4856-133-0x0000000000000000-mapping.dmp

Download
memory/4956-132-0x0000000000420000-0x0000000000428000-memory.dmp

Filesize
32KB

Download
memory/4956-135-0x00007FFB85BD0000-0x00007FFB86691000-memory.dmp

Filesize
10.8MB

Download