dcrat | fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/01/2025, 03:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
Size

1.2MB
MD5

383cad8eb4744a1be8c2b17c74b97b0a
SHA1

23ccdd08ba293d56ac66b682b57585a85e1742a1
SHA256

fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b
SHA512

713896072fd43a6566c895ff96f47fb13442864004e1977a79632818537fdf42401fe0659b2ffe21cdf30a097c5d1576b8856046629822cede88f5f77c0a275d
SSDEEP

24576:MATnwO965z/roRbcJEV2oLI2gDMwifE+O3jV5kF9BrK:XuaKEEgTBr

Score

10^/10

dcrat 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 27 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	2076	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1968	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2712	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2828	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3012	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2748	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2720	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2812	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2856	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2644	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	280	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2620	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1880	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2328	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2260	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	980	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1396	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1940	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2824	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1728	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1924	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	272	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2132	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	324	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1720	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2888	2088	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1308	2088	schtasks.exe	30

DCRat payload 3 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/memory/2056-1-0x0000000001070000-0x00000000011AE000-memory.dmp	dcrat
behavioral1/files/0x0009000000016de4-14.dat	dcrat
behavioral1/memory/2952-31-0x0000000000BC0000-0x0000000000CFE000-memory.dmp	dcrat

Executes dropped EXE 1 IoCs

pid	Process
2952	OSPPSVC.exe

Drops file in Program Files directory 10 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Uninstall Information\6203df4a6bafc7	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
File created	C:\Program Files\DVD Maker\fr-FR\System.exe	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
File created	C:\Program Files\DVD Maker\fr-FR\27d1bcfc3c54e0	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
File created	C:\Program Files\Windows Media Player\es-ES\b75386f1303e64	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
File created	C:\Program Files (x86)\Reference Assemblies\Microsoft\Idle.exe	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
File created	C:\Program Files (x86)\Reference Assemblies\Microsoft\6ccacd8608530f	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
File created	C:\Program Files (x86)\Uninstall Information\lsass.exe	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
File created	C:\Program Files (x86)\Reference Assemblies\WmiPrvSE.exe	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
File created	C:\Program Files (x86)\Reference Assemblies\24dbde2999530e	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
File created	C:\Program Files\Windows Media Player\es-ES\taskhost.exe	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\TAPI\fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
File opened for modification	C:\Windows\TAPI\fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
File created	C:\Windows\TAPI\5aeef0fbe1d9cb	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 27 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2076	schtasks.exe
324	schtasks.exe
280	schtasks.exe
2620	schtasks.exe
1396	schtasks.exe
2828	schtasks.exe
2720	schtasks.exe
2644	schtasks.exe
272	schtasks.exe
1880	schtasks.exe
2260	schtasks.exe
2824	schtasks.exe
1728	schtasks.exe
1924	schtasks.exe
1308	schtasks.exe
2712	schtasks.exe
3012	schtasks.exe
2748	schtasks.exe
2812	schtasks.exe
2132	schtasks.exe
1720	schtasks.exe
2328	schtasks.exe
980	schtasks.exe
1940	schtasks.exe
2888	schtasks.exe
1968	schtasks.exe
2856	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2056	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
2056	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
2056	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
2952	OSPPSVC.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2056	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
Token: SeDebugPrivilege	2952	OSPPSVC.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2952	2056	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe	58
PID 2056 wrote to memory of 2952	2056	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe	58
PID 2056 wrote to memory of 2952	2056	fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe	58

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\fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe
"C:\Users\Admin\AppData\Local\Temp\fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.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:2056
- C:\Users\Admin\Saved Games\OSPPSVC.exe
  "C:\Users\Admin\Saved Games\OSPPSVC.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2952

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254bf" /sc MINUTE /mo 10 /tr "'C:\Windows\TAPI\fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2076

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b" /sc ONLOGON /tr "'C:\Windows\TAPI\fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1968

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254bf" /sc MINUTE /mo 10 /tr "'C:\Windows\TAPI\fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2712

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Idle.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2828

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3012

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2748

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Uninstall Information\lsass.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2720

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files (x86)\Uninstall Information\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2812

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Uninstall Information\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2856

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Reference Assemblies\WmiPrvSE.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2644

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Program Files (x86)\Reference Assemblies\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:280

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Reference Assemblies\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2620

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1880

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2328

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2260

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 14 /tr "'C:\Users\Default\System.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:980

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Users\Default\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1396

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 12 /tr "'C:\Users\Default\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1940

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\Saved Games\OSPPSVC.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2824

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OSPPSVC" /sc ONLOGON /tr "'C:\Users\Admin\Saved Games\OSPPSVC.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1728

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\Saved Games\OSPPSVC.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1924

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Media Player\es-ES\taskhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:272

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Program Files\Windows Media Player\es-ES\taskhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2132

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Media Player\es-ES\taskhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:324

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\Program Files\DVD Maker\fr-FR\System.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1720

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\DVD Maker\fr-FR\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2888

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 13 /tr "'C:\Program Files\DVD Maker\fr-FR\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Recovery\1f5748e2-69f6-11ef-b486-62cb582c238c\csrss.exe

Filesize
1.2MB

MD5
383cad8eb4744a1be8c2b17c74b97b0a

SHA1
23ccdd08ba293d56ac66b682b57585a85e1742a1

SHA256
fcf5d6647e4d2e13f8083d42fd2f354735453e847d5e5c2f4ae78c78a6b4254b

SHA512
713896072fd43a6566c895ff96f47fb13442864004e1977a79632818537fdf42401fe0659b2ffe21cdf30a097c5d1576b8856046629822cede88f5f77c0a275d

Download Submit
memory/2056-0-0x000007FEF5833000-0x000007FEF5834000-memory.dmp

Filesize
4KB

Download
memory/2056-1-0x0000000001070000-0x00000000011AE000-memory.dmp

Filesize
1.2MB

Download
memory/2056-2-0x000007FEF5830000-0x000007FEF621C000-memory.dmp

Filesize
9.9MB

Download
memory/2056-3-0x00000000003D0000-0x00000000003EC000-memory.dmp

Filesize
112KB

Download
memory/2056-5-0x00000000001C0000-0x00000000001D2000-memory.dmp

Filesize
72KB

Download
memory/2056-4-0x00000000003F0000-0x0000000000406000-memory.dmp

Filesize
88KB

Download
memory/2056-30-0x000007FEF5830000-0x000007FEF621C000-memory.dmp

Filesize
9.9MB

Download
memory/2952-31-0x0000000000BC0000-0x0000000000CFE000-memory.dmp

Filesize
1.2MB

Download
memory/2952-32-0x0000000000520000-0x0000000000532000-memory.dmp

Filesize
72KB

Download