dcrat | 595c8307f64f1c97a3c2f2444a7e5b06c3e92a9c7de01dce0ccfea4765bdee74

General

Target

69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
Size

1.6MB
MD5

69cd7ad7f5e5c46acc5b1dfd9cd329d3
SHA1

928c973ea6e09394ce4b94eb4bd2841a348045c8
SHA256

595c8307f64f1c97a3c2f2444a7e5b06c3e92a9c7de01dce0ccfea4765bdee74
SHA512

8681e48a04f47facc4e103084d0f79bf64c4c1d84a6783f9b00ee138293bbffe622e0804e7f10f23750902b6bacc2a50b69f7f572744806dc5a1da94b0d99aea
SSDEEP

24576:Epp1We4zjspeGmjVvjmqqHaLlzoqV8Z5k/BYUXUnSECBSxdT+8V5LY:EpXHpmjVrmqqHIz7V8ZK/GQUDWoVXL

Score

10^/10

dcrat discovery infostealer rat

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

Process spawned unexpected child process 18 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1184	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3016	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2760	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2552	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2632	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2936	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2080	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2688	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	828	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2532	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2964	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2952	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2176	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	972	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1952	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2504	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1636	2804	schtasks.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1084	2804	schtasks.exe	29

Executes dropped EXE 1 IoCs

pid	Process
2556	lsm.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Windows Media Player\System.exe	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
File created	C:\Program Files (x86)\Windows Media Player\27d1bcfc3c54e0	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\1033\wininit.exe	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework\v4.0.30319\1033\wininit.exe	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\1033\56085415360792	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe

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

System Information Discovery
T1082

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
2108	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2108	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 18 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3016	schtasks.exe
2632	schtasks.exe
2936	schtasks.exe
828	schtasks.exe
2964	schtasks.exe
2532	schtasks.exe
2952	schtasks.exe
2176	schtasks.exe
2504	schtasks.exe
1084	schtasks.exe
1184	schtasks.exe
2552	schtasks.exe
2080	schtasks.exe
972	schtasks.exe
1952	schtasks.exe
1636	schtasks.exe
2760	schtasks.exe
2688	schtasks.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe
2556	lsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
Token: SeDebugPrivilege	2556	lsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2480	2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe	48
PID 2432 wrote to memory of 2480	2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe	48
PID 2432 wrote to memory of 2480	2432	69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe	48
PID 2480 wrote to memory of 2412	2480	cmd.exe	50
PID 2480 wrote to memory of 2412	2480	cmd.exe	50
PID 2480 wrote to memory of 2412	2480	cmd.exe	50
PID 2480 wrote to memory of 2108	2480	cmd.exe	51
PID 2480 wrote to memory of 2108	2480	cmd.exe	51
PID 2480 wrote to memory of 2108	2480	cmd.exe	51
PID 2480 wrote to memory of 2556	2480	cmd.exe	52
PID 2480 wrote to memory of 2556	2480	cmd.exe	52
PID 2480 wrote to memory of 2556	2480	cmd.exe	52

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe
"C:\Users\Admin\AppData\Local\Temp\69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe"
1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\0xomG4flrK.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2480
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:2412
- - C:\Windows\system32\PING.EXE
    ping -n 10 localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2108
- - C:\Users\Default\Application Data\lsm.exe
    "C:\Users\Default\Application Data\lsm.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2556

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows Media Player\System.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1184

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Media Player\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3016

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Media Player\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2760

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\spoolsv.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2552

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2632

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\Recovery\31f19e42-8726-11ef-be9a-dab21757c799\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2936

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 14 /tr "'C:\Users\Default\Application Data\lsm.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2080

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Users\Default\Application Data\lsm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2688

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 9 /tr "'C:\Users\Default\Application Data\lsm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:828

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\sppsvc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2532

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\MSOCache\All Users\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2964

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2952

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 9 /tr "'C:\Windows\Microsoft.NET\Framework\v4.0.30319\1033\wininit.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2176

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows\Microsoft.NET\Framework\v4.0.30319\1033\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:972

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 7 /tr "'C:\Windows\Microsoft.NET\Framework\v4.0.30319\1033\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1952

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "69cd7ad7f5e5c46acc5b1dfd9cd329d36" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\AppData\Local\Temp\69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2504

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "69cd7ad7f5e5c46acc5b1dfd9cd329d3" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\Temp\69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1636

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "69cd7ad7f5e5c46acc5b1dfd9cd329d36" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\AppData\Local\Temp\69cd7ad7f5e5c46acc5b1dfd9cd329d3.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Windows Media Player\System.exe

Filesize
1.6MB

MD5
69cd7ad7f5e5c46acc5b1dfd9cd329d3

SHA1
928c973ea6e09394ce4b94eb4bd2841a348045c8

SHA256
595c8307f64f1c97a3c2f2444a7e5b06c3e92a9c7de01dce0ccfea4765bdee74

SHA512
8681e48a04f47facc4e103084d0f79bf64c4c1d84a6783f9b00ee138293bbffe622e0804e7f10f23750902b6bacc2a50b69f7f572744806dc5a1da94b0d99aea

Download Submit
C:\Users\Admin\AppData\Local\Temp\0xomG4flrK.bat

Filesize
169B

MD5
e44d6d395562e08d2e64c027690e6417

SHA1
431ee655c3f28e682a7ea53782dfa414bcb0f9cb

SHA256
b55df5eb914955d3cf14568e055b3859909944af699ee19ec9dc7a746315ca01

SHA512
a7c5ef7a04aba63ec0b5fb6470843e032955c77ef6422799b467f5e102c99e707b2149ecf023e428289fa9e22fe969421704d9f16f2d1a1b8181339adede4862

Download Submit
memory/2432-7-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp

Filesize
9.9MB

Download
memory/2432-3-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp

Filesize
9.9MB

Download
memory/2432-4-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp

Filesize
9.9MB

Download
memory/2432-6-0x0000000000610000-0x000000000061E000-memory.dmp

Filesize
56KB

Download
memory/2432-0-0x000007FEF5F03000-0x000007FEF5F04000-memory.dmp

Filesize
4KB

Download
memory/2432-8-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp

Filesize
9.9MB

Download
memory/2432-10-0x000007FEF5F03000-0x000007FEF5F04000-memory.dmp

Filesize
4KB

Download
memory/2432-11-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp

Filesize
9.9MB

Download
memory/2432-2-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp

Filesize
9.9MB

Download
memory/2432-22-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp

Filesize
9.9MB

Download
memory/2432-1-0x0000000000FC0000-0x0000000001162000-memory.dmp

Filesize
1.6MB

Download
memory/2432-28-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp

Filesize
9.9MB

Download
memory/2556-31-0x0000000000AB0000-0x0000000000C52000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads