536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30

Analysis

max time kernel
131s
max time network
125s
platform
windows7_x64
resource
win7-en-20211208
submitted
28/01/2022, 15:21

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General

Target
536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe
Size 397KB
Sample220128-srb5bafhc4
SHA256 536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30
MD5 70d8729ca630dd3b0f9a62998642ec76
SHA1 68c60a1aa333fc48ec7b8c95b35d0bb53a1b5918
SHA512 0fc480fa05e2fded0e421f2c89a3d17f580ab877c00b76f4e3e4a3b0ee5f132701fe4dbdca81baf60d3021733663c24470143d8d65d45e82789e83f772c22e74
MD5 SHA1 SHA512

Score

7^/10

spyware stealer

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs	cmd.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 832 set thread context of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
396	332	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe
396	WerFault.exe
396	WerFault.exe
396	WerFault.exe
396	WerFault.exe
396	WerFault.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
396	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	396	WerFault.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
332	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 1848	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	27
PID 832 wrote to memory of 1848	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	27
PID 832 wrote to memory of 1848	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	27
PID 832 wrote to memory of 1848	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	27
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 832 wrote to memory of 332	832	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	29
PID 332 wrote to memory of 1244	332	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	30
PID 332 wrote to memory of 1244	332	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	30
PID 332 wrote to memory of 1244	332	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	30
PID 332 wrote to memory of 1244	332	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	30
PID 332 wrote to memory of 396	332	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	31
PID 332 wrote to memory of 396	332	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	31
PID 332 wrote to memory of 396	332	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	31
PID 332 wrote to memory of 396	332	536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe	31

C:\Users\Admin\AppData\Local\Temp\536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe
"C:\Users\Admin\AppData\Local\Temp\536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:832
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c echo on error resume next:CreateObject("WScript.Shell").Run "C:\Users\Admin\AppData\Local\Temp\536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe",1: >"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\x.vbs"
  2⤵
  - Drops startup file
  PID:1848
- C:\Users\Admin\AppData\Local\Temp\536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe
  "C:\Users\Admin\AppData\Local\Temp\536fc552cc24733f05f5a3be333c030fc848060da978b282d67d67a7c76c0d30.exe"
  2⤵
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:332
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Windows\system32\svchost.exe"
    3⤵
    PID:1244
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 332 -s 200
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:396

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/332-64-0x0000000000300000-0x0000000002214000-memory.dmp

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memory/332-67-0x0000000000300000-0x0000000002214000-memory.dmp

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memory/332-56-0x0000000000300000-0x0000000002214000-memory.dmp

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memory/332-57-0x0000000000300000-0x0000000002214000-memory.dmp

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memory/332-58-0x0000000000300000-0x0000000002214000-memory.dmp

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memory/332-59-0x0000000000300000-0x0000000002214000-memory.dmp

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memory/332-60-0x0000000000300000-0x0000000002214000-memory.dmp

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memory/332-61-0x0000000000300000-0x0000000002214000-memory.dmp

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memory/332-63-0x0000000000300000-0x0000000002214000-memory.dmp

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memory/332-73-0x00000000747F1000-0x00000000747F3000-memory.dmp

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memory/332-66-0x0000000000300000-0x0000000002214000-memory.dmp

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memory/332-65-0x0000000000300000-0x0000000002214000-memory.dmp

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memory/332-72-0x00000000044E0000-0x00000000044E1000-memory.dmp

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memory/332-62-0x0000000000300000-0x0000000002214000-memory.dmp

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memory/332-68-0x0000000000300000-0x0000000002214000-memory.dmp

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memory/332-69-0x0000000000300000-0x0000000002214000-memory.dmp

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memory/332-71-0x0000000000400000-0x000000000044D000-memory.dmp

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memory/396-75-0x0000000000360000-0x0000000000361000-memory.dmp

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memory/832-54-0x0000000075891000-0x0000000075893000-memory.dmp

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memory/832-55-0x0000000000290000-0x0000000000295000-memory.dmp

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