fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8

Resubmissions

24/11/2022, 16:38

221124-t5ggmaah3y 10

18/11/2022, 10:14

221118-l9yygada6s 10

05/11/2022, 01:50

221105-b88feacgc8 8

Analysis

max time kernel
113s
max time network
151s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
05/11/2022, 01:50

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General

Target

svcupdater.exe
Size

4.8MB
MD5

cd4ac234ee1c9fca552d11ff31b9c5cc
SHA1

e3448c185bdf0e0a0859f2b28d1b5f28c38a0064
SHA256

fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8
SHA512

d07048d1359350c9913d2727cb40969383eaca0593b7395d2c51435e0defaa91f4c95f038bb1877847d520efa0150359860036f6e6e1c3e2ece24bc4ff8c6b9f
SSDEEP

49152:tAM3CiGxBRJHy51FmJgBaShRgd5MYh43VvATtg0IEqYjla27VdS5g+A:aMLGxBk1FmJgX2l4lv3EdZv+A

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1280	svcupdater.exe

Loads dropped DLL 2 IoCs

pid	Process
1320	taskeng.exe
1320	taskeng.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

pid	Process
1444	schtasks.exe

GoLang User-Agent 2 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	3	Go-http-client/1.1
HTTP User-Agent header	4	Go-http-client/1.1

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 1732	1812	svcupdater.exe	28
PID 1812 wrote to memory of 1732	1812	svcupdater.exe	28
PID 1812 wrote to memory of 1732	1812	svcupdater.exe	28
PID 1732 wrote to memory of 1444	1732	cmd.exe	30
PID 1732 wrote to memory of 1444	1732	cmd.exe	30
PID 1732 wrote to memory of 1444	1732	cmd.exe	30
PID 1320 wrote to memory of 1280	1320	taskeng.exe	32
PID 1320 wrote to memory of 1280	1320	taskeng.exe	32
PID 1320 wrote to memory of 1280	1320	taskeng.exe	32

C:\Users\Admin\AppData\Local\Temp\svcupdater.exe
"C:\Users\Admin\AppData\Local\Temp\svcupdater.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Windows\system32\cmd.exe
  cmd.exe "/C schtasks /create /tn \ipNnOYSRDI /tr \"C:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exe\" /st 00:00 /du 9999:59 /sc once /ri 1 /f"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\system32\schtasks.exe
    schtasks /create /tn \ipNnOYSRDI /tr \"C:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exe\" /st 00:00 /du 9999:59 /sc once /ri 1 /f"
    3⤵
    - Creates scheduled task(s)
    PID:1444

C:\Windows\system32\taskeng.exe
taskeng.exe {17A5403D-B073-451B-85C4-FBAE6484911C} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exe
  C:\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exe
  2⤵
  - Executes dropped EXE
  PID:1280

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\ipNnOYSRDI\svcupdater.exe

Filesize
4.8MB

MD5
cd4ac234ee1c9fca552d11ff31b9c5cc

SHA1
e3448c185bdf0e0a0859f2b28d1b5f28c38a0064

SHA256
fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8

SHA512
d07048d1359350c9913d2727cb40969383eaca0593b7395d2c51435e0defaa91f4c95f038bb1877847d520efa0150359860036f6e6e1c3e2ece24bc4ff8c6b9f

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

Filesize
4.8MB

MD5
cd4ac234ee1c9fca552d11ff31b9c5cc

SHA1
e3448c185bdf0e0a0859f2b28d1b5f28c38a0064

SHA256
fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8

SHA512
d07048d1359350c9913d2727cb40969383eaca0593b7395d2c51435e0defaa91f4c95f038bb1877847d520efa0150359860036f6e6e1c3e2ece24bc4ff8c6b9f

Download Submit
\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exe

Filesize
4.8MB

MD5
cd4ac234ee1c9fca552d11ff31b9c5cc

SHA1
e3448c185bdf0e0a0859f2b28d1b5f28c38a0064

SHA256
fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8

SHA512
d07048d1359350c9913d2727cb40969383eaca0593b7395d2c51435e0defaa91f4c95f038bb1877847d520efa0150359860036f6e6e1c3e2ece24bc4ff8c6b9f

Download Submit
\Users\Admin\AppData\Roaming\ipNnOYSRDI\svcupdater.exe

Filesize
4.8MB

MD5
cd4ac234ee1c9fca552d11ff31b9c5cc

SHA1
e3448c185bdf0e0a0859f2b28d1b5f28c38a0064

SHA256
fc8db07536652808292ddca99645f2e64431baf7f72ba1a8d358229e16fafbd8

SHA512
d07048d1359350c9913d2727cb40969383eaca0593b7395d2c51435e0defaa91f4c95f038bb1877847d520efa0150359860036f6e6e1c3e2ece24bc4ff8c6b9f

Download Submit

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads