dcrat | 52fd5f4ce18c0d8ee4fce41364371d39bf024d3be241cc4f765a6c73cff1d288

Analysis

max time kernel
93s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2025 10:06

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General

Target

fed24fca9235528a9e0a686ff60b723d.exe
Size

1.2MB
MD5

fed24fca9235528a9e0a686ff60b723d
SHA1

e497808ca573e7dfd2e4d99d2c085ab9724707e0
SHA256

52fd5f4ce18c0d8ee4fce41364371d39bf024d3be241cc4f765a6c73cff1d288
SHA512

2c1699f394a6c8708cd13f53e7df631b7548d72bb46b035963044c1f6c73b84ebba1e1adc02fe5f22d2aae31470bc9e61cce623cbdee3682c54b387befb7b999
SSDEEP

12288:90b329aw7HMGuBrwRCRa+XplQBuK7hEefjf05gRyC7Z3M6xqPhbqOEJv005vnhJb:98yaw7HMHXRa+y7htfxRr2EgKt0O8C3

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 21 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	4132	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4900	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3324	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	460	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	244	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4108	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4872	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3824	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2700	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	528	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2772	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1412	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1604	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4684	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	716	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2504	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3928	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2296	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4260	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	388	3292	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3512	3292	schtasks.exe	85

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/memory/2896-1-0x0000000000010000-0x000000000014C000-memory.dmp	dcrat
behavioral2/files/0x0007000000023c95-17.dat	dcrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	fed24fca9235528a9e0a686ff60b723d.exe

Executes dropped EXE 1 IoCs

pid	Process
2624	fed24fca9235528a9e0a686ff60b723d.exe

Drops file in Program Files directory 6 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\Office16\9e8d7a4ca61bd9	fed24fca9235528a9e0a686ff60b723d.exe
File created	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_neutral_split.scale-125_8wekyb3d8bbwe\microsoft.system.package.metadata\backgroundTaskHost.exe	fed24fca9235528a9e0a686ff60b723d.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\backgroundTaskHost.exe	fed24fca9235528a9e0a686ff60b723d.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\backgroundTaskHost.exe	fed24fca9235528a9e0a686ff60b723d.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\eddb19405b7ce1	fed24fca9235528a9e0a686ff60b723d.exe
File created	C:\Program Files\Microsoft Office\Office16\RuntimeBroker.exe	fed24fca9235528a9e0a686ff60b723d.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\Setup\State\66fc9ff0ee96c2	fed24fca9235528a9e0a686ff60b723d.exe
File created	C:\Windows\Offline Web Pages\RuntimeBroker.exe	fed24fca9235528a9e0a686ff60b723d.exe
File created	C:\Windows\Offline Web Pages\9e8d7a4ca61bd9	fed24fca9235528a9e0a686ff60b723d.exe
File created	C:\Windows\Setup\State\sihost.exe	fed24fca9235528a9e0a686ff60b723d.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 21 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4900	schtasks.exe
244	schtasks.exe
528	schtasks.exe
1412	schtasks.exe
4260	schtasks.exe
4132	schtasks.exe
3324	schtasks.exe
4872	schtasks.exe
3824	schtasks.exe
4684	schtasks.exe
460	schtasks.exe
2700	schtasks.exe
2296	schtasks.exe
3512	schtasks.exe
3928	schtasks.exe
388	schtasks.exe
4108	schtasks.exe
2772	schtasks.exe
1604	schtasks.exe
716	schtasks.exe
2504	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2896	fed24fca9235528a9e0a686ff60b723d.exe
2896	fed24fca9235528a9e0a686ff60b723d.exe
2896	fed24fca9235528a9e0a686ff60b723d.exe
2896	fed24fca9235528a9e0a686ff60b723d.exe
2896	fed24fca9235528a9e0a686ff60b723d.exe
2896	fed24fca9235528a9e0a686ff60b723d.exe
2896	fed24fca9235528a9e0a686ff60b723d.exe
2896	fed24fca9235528a9e0a686ff60b723d.exe
2896	fed24fca9235528a9e0a686ff60b723d.exe
2896	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe
2624	fed24fca9235528a9e0a686ff60b723d.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2896	fed24fca9235528a9e0a686ff60b723d.exe
Token: SeDebugPrivilege	2624	fed24fca9235528a9e0a686ff60b723d.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2624	2896	fed24fca9235528a9e0a686ff60b723d.exe	108
PID 2896 wrote to memory of 2624	2896	fed24fca9235528a9e0a686ff60b723d.exe	108

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\fed24fca9235528a9e0a686ff60b723d.exe
"C:\Users\Admin\AppData\Local\Temp\fed24fca9235528a9e0a686ff60b723d.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Recovery\WindowsRE\fed24fca9235528a9e0a686ff60b723d.exe
  "C:\Recovery\WindowsRE\fed24fca9235528a9e0a686ff60b723d.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2624

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\backgroundTaskHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4132

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4900

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3324

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 9 /tr "'C:\Windows\Setup\State\sihost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:460

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Windows\Setup\State\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:244

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 11 /tr "'C:\Windows\Setup\State\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4108

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\smss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4872

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\smss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3824

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\smss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2700

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:528

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2772

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1412

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fed24fca9235528a9e0a686ff60b723df" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\fed24fca9235528a9e0a686ff60b723d.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1604

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fed24fca9235528a9e0a686ff60b723d" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\fed24fca9235528a9e0a686ff60b723d.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4684

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fed24fca9235528a9e0a686ff60b723df" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\fed24fca9235528a9e0a686ff60b723d.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:716

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\Program Files\Microsoft Office\Office16\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2504

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\Office16\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3928

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Program Files\Microsoft Office\Office16\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2296

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 13 /tr "'C:\Windows\Offline Web Pages\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4260

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows\Offline Web Pages\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:388

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Windows\Offline Web Pages\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3512

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

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Downloads

C:\Recovery\WindowsRE\fed24fca9235528a9e0a686ff60b723d.exe

Filesize
1.2MB

MD5
fed24fca9235528a9e0a686ff60b723d

SHA1
e497808ca573e7dfd2e4d99d2c085ab9724707e0

SHA256
52fd5f4ce18c0d8ee4fce41364371d39bf024d3be241cc4f765a6c73cff1d288

SHA512
2c1699f394a6c8708cd13f53e7df631b7548d72bb46b035963044c1f6c73b84ebba1e1adc02fe5f22d2aae31470bc9e61cce623cbdee3682c54b387befb7b999

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\fed24fca9235528a9e0a686ff60b723d.exe.log

Filesize
1KB

MD5
7800fca2323a4130444c572374a030f4

SHA1
40c9b8e0e5e7d72a5293f4010f2ccf21e637b4aa

SHA256
29f5645ac14353ac460858f52c856548f3aeb144b09eef672a6b4849bafe742e

SHA512
c8a7ad930b8c07007c7a67d8c32a2a4a401dcc34ab966e0e80901655fcbe1f5c95b72a195e6381b1de56c2c987eeab093d8e89891bec9e9684785c5d824b3554

Download Submit
memory/2896-0-0x00007FFD6A013000-0x00007FFD6A015000-memory.dmp

Filesize
8KB

Download
memory/2896-1-0x0000000000010000-0x000000000014C000-memory.dmp

Filesize
1.2MB

Download
memory/2896-2-0x00007FFD6A010000-0x00007FFD6AAD1000-memory.dmp

Filesize
10.8MB

Download
memory/2896-3-0x0000000000AB0000-0x0000000000ABE000-memory.dmp

Filesize
56KB

Download
memory/2896-4-0x0000000000AD0000-0x0000000000AEC000-memory.dmp

Filesize
112KB

Download
memory/2896-5-0x0000000000B40000-0x0000000000B90000-memory.dmp

Filesize
320KB

Download
memory/2896-6-0x0000000000AF0000-0x0000000000AFC000-memory.dmp

Filesize
48KB

Download
memory/2896-7-0x0000000000B00000-0x0000000000B0E000-memory.dmp

Filesize
56KB

Download
memory/2896-8-0x0000000000B10000-0x0000000000B1C000-memory.dmp

Filesize
48KB

Download
memory/2896-35-0x00007FFD6A010000-0x00007FFD6AAD1000-memory.dmp

Filesize
10.8MB

Download