248c48ac7b4b0c17d6200aa842a5e5c7d095d8573745472d7542ff3c4291c68a

Analysis

max time kernel
109s
max time network
142s
platform
windows10_x64
resource
win10v200430
submitted
13/07/2020, 05:25

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General

Target

INV_2020.EXE
Size

160KB
MD5

f5a55070ea8c80fab69335db6e299fc4
SHA1

ec55507009dd23da40716b957e1b1f5cb9e526b9
SHA256

248c48ac7b4b0c17d6200aa842a5e5c7d095d8573745472d7542ff3c4291c68a
SHA512

3339720f6c1d2a1399e4c53108d9af0bfbb6d80cef65385f25f4d107154fff0363781474149b2a7d9a802f9c1ede4e4690e80bb4703daf5eef29c9c90208732a

Score

5^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 980	2116	INV_2020.EXE	69
PID 2116 wrote to memory of 980	2116	INV_2020.EXE	69
PID 2116 wrote to memory of 980	2116	INV_2020.EXE	69
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	71
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	71
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	71
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	71
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	71
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	71
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	71
PID 2116 wrote to memory of 3952	2116	INV_2020.EXE	71
PID 3952 wrote to memory of 3300	3952	INV_2020.EXE	72
PID 3952 wrote to memory of 3300	3952	INV_2020.EXE	72
PID 3952 wrote to memory of 3300	3952	INV_2020.EXE	72

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 3952	2116	INV_2020.EXE	71

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	3300	dw20.exe
Token: SeBackupPrivilege	3300	dw20.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3300	dw20.exe
3300	dw20.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
980	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\INV_2020.EXE
"C:\Users\Admin\AppData\Local\Temp\INV_2020.EXE"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
PID:2116
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RUFQcxsjseXBNa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE073.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:980
- C:\Users\Admin\AppData\Local\Temp\INV_2020.EXE
  "{path}"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3952
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 688
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious behavior: EnumeratesProcesses
    PID:3300

C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
C:\Windows\Microsoft.Net\Framework64\v3.0\WPF\PresentationFontCache.exe
1⤵
PID:2480

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

memory/3300-7-0x00000000029D0000-0x00000000029D1000-memory.dmp

Filesize
4KB

Download
memory/3300-13-0x0000000002E60000-0x0000000002E61000-memory.dmp

Filesize
4KB

Download
memory/3300-6-0x0000000002680000-0x0000000002681000-memory.dmp

Filesize
4KB

Download
memory/3952-2-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download