dcrat | 96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29

Analysis

max time kernel
132s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-12-2024 15:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe
Size

1.0MB
MD5

7b4ad4dbf6e4580b8f8c77b4cee261c3
SHA1

a0ec2acea793dda997a3dfa1c869c66a3122341f
SHA256

96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29
SHA512

3349cad638cf58a3c15b7a16df797b15dc528dc181d5133b654312d8155a3dcaa2b239abfb44d55b0d5ef11f932da15683275f36052ee7ade43c390b04a2bf00
SSDEEP

24576:a9yzNBe14PPPDj5pGSZb1iUyJxuxqH1jznDyLyF8pb5RG846Eg4Pi9:he1UPpp/1iVJxuxk1neLyQOp6ErPM

Score

10^/10

dcrat discovery infostealer rat spyware stealer

Malware Config

Signatures

DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
rat infostealer dcrat
Dcrat family
dcrat

DCRat payload 4 IoCs

rat

resource	yara_rule
behavioral1/files/0x0008000000016c73-30.dat	family_dcrat_v2
behavioral1/memory/2448-32-0x0000000000FD0000-0x0000000001080000-memory.dmp	family_dcrat_v2
behavioral1/memory/2568-28-0x0000000000400000-0x00000000004E6000-memory.dmp	family_dcrat_v2
behavioral1/memory/2324-56-0x0000000000B10000-0x0000000000BC0000-memory.dmp	family_dcrat_v2

Executes dropped EXE 3 IoCs

pid	Process
336	Yn5N0ejU23.exe
2448	zgWUToSpXG.exe
2324	spoolsv.exe

Loads dropped DLL 2 IoCs

pid	Process
2568	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe
2568	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 340 set thread context of 2568	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	34

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Windows Mail\it-IT\spoolsv.exe	zgWUToSpXG.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\it-IT\spoolsv.exe	zgWUToSpXG.exe
File created	C:\Program Files (x86)\Windows Mail\it-IT\f3b6ecef712a24	zgWUToSpXG.exe
File created	C:\Program Files\Common Files\Services\wininit.exe	zgWUToSpXG.exe
File created	C:\Program Files\Common Files\Services\56085415360792	zgWUToSpXG.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\security\templates\101b941d020240	zgWUToSpXG.exe
File created	C:\Windows\security\templates\lsm.exe	zgWUToSpXG.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2808	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2808	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2448	zgWUToSpXG.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe
2324	spoolsv.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2324	spoolsv.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2448	zgWUToSpXG.exe
Token: SeDebugPrivilege	2324	spoolsv.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 340 wrote to memory of 2176	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	31
PID 340 wrote to memory of 2176	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	31
PID 340 wrote to memory of 2176	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	31
PID 340 wrote to memory of 2176	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	31
PID 340 wrote to memory of 2304	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	32
PID 340 wrote to memory of 2304	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	32
PID 340 wrote to memory of 2304	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	32
PID 340 wrote to memory of 2304	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	32
PID 340 wrote to memory of 532	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	33
PID 340 wrote to memory of 532	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	33
PID 340 wrote to memory of 532	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	33
PID 340 wrote to memory of 532	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	33
PID 340 wrote to memory of 2568	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	34
PID 340 wrote to memory of 2568	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	34
PID 340 wrote to memory of 2568	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	34
PID 340 wrote to memory of 2568	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	34
PID 340 wrote to memory of 2568	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	34
PID 340 wrote to memory of 2568	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	34
PID 340 wrote to memory of 2568	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	34
PID 340 wrote to memory of 2568	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	34
PID 340 wrote to memory of 2568	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	34
PID 340 wrote to memory of 2568	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	34
PID 340 wrote to memory of 2568	340	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	34
PID 2568 wrote to memory of 2448	2568	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	36
PID 2568 wrote to memory of 2448	2568	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	36
PID 2568 wrote to memory of 2448	2568	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	36
PID 2568 wrote to memory of 2448	2568	96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe	36
PID 2448 wrote to memory of 2780	2448	zgWUToSpXG.exe	37
PID 2448 wrote to memory of 2780	2448	zgWUToSpXG.exe	37
PID 2448 wrote to memory of 2780	2448	zgWUToSpXG.exe	37
PID 2780 wrote to memory of 2644	2780	cmd.exe	39
PID 2780 wrote to memory of 2644	2780	cmd.exe	39
PID 2780 wrote to memory of 2644	2780	cmd.exe	39
PID 2780 wrote to memory of 2808	2780	cmd.exe	40
PID 2780 wrote to memory of 2808	2780	cmd.exe	40
PID 2780 wrote to memory of 2808	2780	cmd.exe	40
PID 2780 wrote to memory of 2324	2780	cmd.exe	42
PID 2780 wrote to memory of 2324	2780	cmd.exe	42
PID 2780 wrote to memory of 2324	2780	cmd.exe	42

C:\Users\Admin\AppData\Local\Temp\96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe
"C:\Users\Admin\AppData\Local\Temp\96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:340
- C:\Users\Admin\AppData\Local\Temp\96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe
  "C:\Users\Admin\AppData\Local\Temp\96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe"
  2⤵
  PID:2176
- C:\Users\Admin\AppData\Local\Temp\96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe
  "C:\Users\Admin\AppData\Local\Temp\96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe"
  2⤵
  PID:2304
- C:\Users\Admin\AppData\Local\Temp\96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe
  "C:\Users\Admin\AppData\Local\Temp\96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe"
  2⤵
  PID:532
- C:\Users\Admin\AppData\Local\Temp\96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe
  "C:\Users\Admin\AppData\Local\Temp\96a676b5a46cd2272459d16c6ba3bacb0c8d3f47059aeb08a94cefd2c9fa3f29.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Users\Admin\AppData\Roaming\Yn5N0ejU23.exe
    "C:\Users\Admin\AppData\Roaming\Yn5N0ejU23.exe"
    3⤵
    - Executes dropped EXE
    PID:336
- - C:\Users\Admin\AppData\Roaming\zgWUToSpXG.exe
    "C:\Users\Admin\AppData\Roaming\zgWUToSpXG.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Program Files directory
    - Drops file in Windows directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2448
  - - C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\mDw5KalQvL.bat"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2780
    - - C:\Windows\system32\chcp.com
        
        chcp 65001
        5⤵
        
        PID:2644
    - - C:\Windows\system32\PING.EXE
        
        ping -n 10 localhost
        5⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:2808
    - - C:\Program Files (x86)\Windows Mail\it-IT\spoolsv.exe
        
        "C:\Program Files (x86)\Windows Mail\it-IT\spoolsv.exe"
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of AdjustPrivilegeToken
        
        PID:2324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\mDw5KalQvL.bat

Filesize
181B

MD5
409b5a029555748226dc739a87abc8d6

SHA1
c6ee08ee2e767b16a5ad33926ac6a5ce6af86407

SHA256
78d0850fb846c9b398da431e8ba65ded5750951e85ef7e8eea298b6333cbe8c2

SHA512
f3e59127f6a8145d109ac1afcbe996b0d7353cf5411609af5e63ef8e081e7bedec22318439e65bd5593a2ff79ced3f544f619bb954fdfd4d8abe0c199e8d67d0

Download Submit
C:\Users\Admin\AppData\Roaming\Yn5N0ejU23.exe

Filesize
18KB

MD5
f3edff85de5fd002692d54a04bcb1c09

SHA1
4c844c5b0ee7cb230c9c28290d079143e00cb216

SHA256
caf29650446db3842e1c1e8e5e1bafadaf90fc82c5c37b9e2c75a089b7476131

SHA512
531d920e2567f58e8169afc786637c1a0f7b9b5c27b27b5f0eddbfc3e00cecd7bea597e34061d836647c5f8c7757f2fe02952a9793344e21b39ddd4bf7985f9d

Download Submit
C:\Users\Admin\AppData\Roaming\zgWUToSpXG.exe

Filesize
675KB

MD5
314420bac969bcfb9510a0e8cc3686d6

SHA1
66f1d0a60a2727970476a105c88883f37270e30f

SHA256
38b9cc3ccae02c270e3d62e62e3b3b40e90ad7f898372b8a5035445ba32f4b26

SHA512
debf908add95aa0849451aef830e5e71724247d352dcb5dad6b02dca0d54e4e915a9430de80d970a4e7ef3749eb2fc7c6fa7839348d84f546d5934d713e7569c

Download Submit
memory/340-0-0x00000000001AD000-0x00000000001AE000-memory.dmp

Filesize
4KB

Download
memory/2324-56-0x0000000000B10000-0x0000000000BC0000-memory.dmp

Filesize
704KB

Download
memory/2448-33-0x000007FEF57C0000-0x000007FEF61AC000-memory.dmp

Filesize
9.9MB

Download
memory/2448-53-0x000007FEF57C0000-0x000007FEF61AC000-memory.dmp

Filesize
9.9MB

Download
memory/2448-32-0x0000000000FD0000-0x0000000001080000-memory.dmp

Filesize
704KB

Download
memory/2448-31-0x000007FEF57C3000-0x000007FEF57C4000-memory.dmp

Filesize
4KB

Download
memory/2448-35-0x00000000002B0000-0x00000000002CC000-memory.dmp

Filesize
112KB

Download
memory/2448-37-0x0000000000550000-0x0000000000568000-memory.dmp

Filesize
96KB

Download
memory/2568-14-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2568-12-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2568-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2568-8-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2568-5-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2568-1-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2568-7-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2568-28-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2568-4-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2568-16-0x0000000000190000-0x0000000000296000-memory.dmp

Filesize
1.0MB

Download
memory/2568-15-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/2568-6-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download