4ca258662fae313fda4a04e18f233da990e7fbac5139713c583db16625b401e0

Analysis

max time kernel
149s
max time network
133s
platform
windows10_x64
resource
win10v20210410
submitted
18/04/2021, 07:06

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General

Target
f52fb25c0c2ea7af29c25570f12ca40c.exe
Size 687KB
Sample210418-eweczh46e6
SHA256 4ca258662fae313fda4a04e18f233da990e7fbac5139713c583db16625b401e0
MD5 f52fb25c0c2ea7af29c25570f12ca40c
SHA1 438b3869c7c64312fb16c95c795152565b0752cd
SHA512 9099213b9221a5c327d06a22d96f008afafd7e993f8626ae956001b2b78ff6867a23ad227be84fe5bf1eea3f0ec097578b05d6c30efb1fa771bdac4823e0198f
MD5 SHA1 SHA512

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 6 IoCs

pid	Process
1296	Largus.exe
2104	4.exe
204	vpn.exe
3384	SmartClock.exe
2660	Capace.exe.com
2172	Capace.exe.com

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SmartClock.lnk	4.exe

Loads dropped DLL 1 IoCs

pid	Process
1296	Largus.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
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	f52fb25c0c2ea7af29c25570f12ca40c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	f52fb25c0c2ea7af29c25570f12ca40c.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
812	timeout.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1460	PING.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3384	SmartClock.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3176	f52fb25c0c2ea7af29c25570f12ca40c.exe
3176	f52fb25c0c2ea7af29c25570f12ca40c.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 1296	3176	f52fb25c0c2ea7af29c25570f12ca40c.exe	79
PID 3176 wrote to memory of 1296	3176	f52fb25c0c2ea7af29c25570f12ca40c.exe	79
PID 3176 wrote to memory of 1296	3176	f52fb25c0c2ea7af29c25570f12ca40c.exe	79
PID 3176 wrote to memory of 3988	3176	f52fb25c0c2ea7af29c25570f12ca40c.exe	80
PID 3176 wrote to memory of 3988	3176	f52fb25c0c2ea7af29c25570f12ca40c.exe	80
PID 3176 wrote to memory of 3988	3176	f52fb25c0c2ea7af29c25570f12ca40c.exe	80
PID 1296 wrote to memory of 2104	1296	Largus.exe	81
PID 1296 wrote to memory of 2104	1296	Largus.exe	81
PID 1296 wrote to memory of 2104	1296	Largus.exe	81
PID 1296 wrote to memory of 204	1296	Largus.exe	83
PID 1296 wrote to memory of 204	1296	Largus.exe	83
PID 1296 wrote to memory of 204	1296	Largus.exe	83
PID 204 wrote to memory of 1364	204	vpn.exe	84
PID 204 wrote to memory of 1364	204	vpn.exe	84
PID 204 wrote to memory of 1364	204	vpn.exe	84
PID 3988 wrote to memory of 812	3988	cmd.exe	86
PID 3988 wrote to memory of 812	3988	cmd.exe	86
PID 3988 wrote to memory of 812	3988	cmd.exe	86
PID 204 wrote to memory of 1052	204	vpn.exe	87
PID 204 wrote to memory of 1052	204	vpn.exe	87
PID 204 wrote to memory of 1052	204	vpn.exe	87
PID 1052 wrote to memory of 3668	1052	cmd.exe	89
PID 1052 wrote to memory of 3668	1052	cmd.exe	89
PID 1052 wrote to memory of 3668	1052	cmd.exe	89
PID 2104 wrote to memory of 3384	2104	4.exe	90
PID 2104 wrote to memory of 3384	2104	4.exe	90
PID 2104 wrote to memory of 3384	2104	4.exe	90
PID 3668 wrote to memory of 2176	3668	cmd.exe	92
PID 3668 wrote to memory of 2176	3668	cmd.exe	92
PID 3668 wrote to memory of 2176	3668	cmd.exe	92
PID 3668 wrote to memory of 2660	3668	cmd.exe	93
PID 3668 wrote to memory of 2660	3668	cmd.exe	93
PID 3668 wrote to memory of 2660	3668	cmd.exe	93
PID 2660 wrote to memory of 2172	2660	Capace.exe.com	95
PID 2660 wrote to memory of 2172	2660	Capace.exe.com	95
PID 2660 wrote to memory of 2172	2660	Capace.exe.com	95
PID 3668 wrote to memory of 1460	3668	cmd.exe	96
PID 3668 wrote to memory of 1460	3668	cmd.exe	96
PID 3668 wrote to memory of 1460	3668	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\f52fb25c0c2ea7af29c25570f12ca40c.exe
"C:\Users\Admin\AppData\Local\Temp\f52fb25c0c2ea7af29c25570f12ca40c.exe"
1⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Users\Admin\AppData\Local\Temp\Largus.exe
  "C:\Users\Admin\AppData\Local\Temp\Largus.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1296
- - C:\Users\Admin\AppData\Local\Temp\New Feature\4.exe
    "C:\Users\Admin\AppData\Local\Temp\New Feature\4.exe"
    3⤵
    - Executes dropped EXE
    - Drops startup file
    - Suspicious use of WriteProcessMemory
    PID:2104
  - - C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
      "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: AddClipboardFormatListener
      PID:3384
- - C:\Users\Admin\AppData\Local\Temp\New Feature\vpn.exe
    "C:\Users\Admin\AppData\Local\Temp\New Feature\vpn.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:204
  - - C:\Windows\SysWOW64\makecab.exe
      "C:\Windows\System32\makecab.exe"
      4⤵
      PID:1364
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ikrpMsnsAXjBMVSfAwoJjgmBzZZS & cmd < Rivederla.tmp
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1052
    - - C:\Windows\SysWOW64\cmd.exe
        
        cmd
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3668
      - C:\Windows\SysWOW64\findstr.exe
        
        findstr /V /R "^owMiqiEnqvgCmOVeldcOJjVnWyTuLQhmYUgQOuIQvzJwEJGhKKSsWIZWygkVhnNpoPEEAtgtHEadCTThnGvwYVCfVaLAVNCXFASOtwNFvOJsdIzkxXvHeMlhhgJizNo$" Col.tmp
        6⤵
        
        PID:2176
      - C:\Users\Admin\AppData\Roaming\HIgJUuYXnxawtktaHAZhVxcgGJSMBQMsFfTgXRSOUawHQHirxpMn\Capace.exe.com
        
        Capace.exe.com l
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:2660
        
        C:\Users\Admin\AppData\Roaming\HIgJUuYXnxawtktaHAZhVxcgGJSMBQMsFfTgXRSOUawHQHirxpMn\Capace.exe.com
        
        C:\Users\Admin\AppData\Roaming\HIgJUuYXnxawtktaHAZhVxcgGJSMBQMsFfTgXRSOUawHQHirxpMn\Capace.exe.com l
        7⤵
        Executes dropped EXE
        
        PID:2172
      - C:\Windows\SysWOW64\PING.EXE
        
        ping 127.0.0.1 -n 30
        6⤵
        Runs ping.exe
        
        PID:1460
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\kSaqRZSyqCUnx & timeout 3 & del /f /q "C:\Users\Admin\AppData\Local\Temp\f52fb25c0c2ea7af29c25570f12ca40c.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3988
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:812

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2104-139-0x0000000000400000-0x0000000003DBC000-memory.dmp

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memory/2104-138-0x00000000001C0000-0x00000000001E6000-memory.dmp

Download

memory/3176-114-0x0000000005AB0000-0x0000000005B8F000-memory.dmp

Download

memory/3176-115-0x0000000000400000-0x0000000003E13000-memory.dmp

Download

memory/3384-144-0x0000000000400000-0x0000000003DBC000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads