3588657707cd5b04586693c6600be0159b321b258f48953f824faa876f6b8566

Analysis

max time kernel
131s
max time network
144s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
24-11-2022 14:14

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General

Target

3588657707cd5b04586693c6600be0159b321b258f48953f824faa876f6b8566.exe
Size

342KB
MD5

5ebe890f034f15d9500328551b76a01e
SHA1

2fc9e09b764591978cb7edcd4c155d2d20f2da20
SHA256

3588657707cd5b04586693c6600be0159b321b258f48953f824faa876f6b8566
SHA512

482fe0414bd3fc823e346ff8a59c6530dae7d0079edb97f4f031dd8c4638ade0750c33361f89d1c03d7d424aeba7d7d9240d54cec6e153a2549621a5cf55182f
SSDEEP

6144:fYncu6kceklClbcoalo5Be/fYtYRy1djmGmq780TB1Suc5N8haWI7GgtnE1rbtGM:fPu6kvkl4oNo5BcfkYRk6GvSuBUb7GgQ

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3548	asg.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
1	ip-api.com

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\SubDir\asg.exe	3588657707cd5b04586693c6600be0159b321b258f48953f824faa876f6b8566.exe
File opened for modification	C:\Windows\SysWOW64\SubDir\asg.exe	3588657707cd5b04586693c6600be0159b321b258f48953f824faa876f6b8566.exe
File opened for modification	C:\Windows\SysWOW64\SubDir\asg.exe	asg.exe
File opened for modification	C:\Windows\SysWOW64\SubDir	asg.exe

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
5020	schtasks.exe
3012	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3048	3588657707cd5b04586693c6600be0159b321b258f48953f824faa876f6b8566.exe
Token: SeDebugPrivilege	3548	asg.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3548	asg.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 5020	3048	3588657707cd5b04586693c6600be0159b321b258f48953f824faa876f6b8566.exe	67
PID 3048 wrote to memory of 5020	3048	3588657707cd5b04586693c6600be0159b321b258f48953f824faa876f6b8566.exe	67
PID 3048 wrote to memory of 3548	3048	3588657707cd5b04586693c6600be0159b321b258f48953f824faa876f6b8566.exe	69
PID 3048 wrote to memory of 3548	3048	3588657707cd5b04586693c6600be0159b321b258f48953f824faa876f6b8566.exe	69
PID 3548 wrote to memory of 3012	3548	asg.exe	70
PID 3548 wrote to memory of 3012	3548	asg.exe	70

C:\Users\Admin\AppData\Local\Temp\3588657707cd5b04586693c6600be0159b321b258f48953f824faa876f6b8566.exe
"C:\Users\Admin\AppData\Local\Temp\3588657707cd5b04586693c6600be0159b321b258f48953f824faa876f6b8566.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks" /create /tn "WSUS Update Client" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\3588657707cd5b04586693c6600be0159b321b258f48953f824faa876f6b8566.exe" /rl HIGHEST /f
  2⤵
  - Creates scheduled task(s)
  PID:5020
- C:\Windows\SysWOW64\SubDir\asg.exe
  "C:\Windows\SysWOW64\SubDir\asg.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3548
- - C:\Windows\SYSTEM32\schtasks.exe
    "schtasks" /create /tn "WSUS Update Client" /sc ONLOGON /tr "C:\Windows\SysWOW64\SubDir\asg.exe" /rl HIGHEST /f
    3⤵
    - Creates scheduled task(s)
    PID:3012

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

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Downloads

C:\Windows\SysWOW64\SubDir\asg.exe

Filesize
342KB

MD5
5ebe890f034f15d9500328551b76a01e

SHA1
2fc9e09b764591978cb7edcd4c155d2d20f2da20

SHA256
3588657707cd5b04586693c6600be0159b321b258f48953f824faa876f6b8566

SHA512
482fe0414bd3fc823e346ff8a59c6530dae7d0079edb97f4f031dd8c4638ade0750c33361f89d1c03d7d424aeba7d7d9240d54cec6e153a2549621a5cf55182f

Download Submit
C:\Windows\SysWOW64\SubDir\asg.exe

Filesize
342KB

MD5
5ebe890f034f15d9500328551b76a01e

SHA1
2fc9e09b764591978cb7edcd4c155d2d20f2da20

SHA256
3588657707cd5b04586693c6600be0159b321b258f48953f824faa876f6b8566

SHA512
482fe0414bd3fc823e346ff8a59c6530dae7d0079edb97f4f031dd8c4638ade0750c33361f89d1c03d7d424aeba7d7d9240d54cec6e153a2549621a5cf55182f

Download Submit
memory/3048-117-0x0000000000E80000-0x0000000000E88000-memory.dmp

Filesize
32KB

Download
memory/3048-118-0x000000001B940000-0x000000001B9DE000-memory.dmp

Filesize
632KB

Download
memory/3048-119-0x00000000015F0000-0x0000000001602000-memory.dmp

Filesize
72KB

Download
memory/3048-120-0x0000000003020000-0x000000000305E000-memory.dmp

Filesize
248KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads