dcrat | f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc

General

Target

f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe
Size

2.3MB
MD5

7f9578cac30087f4675bbcb003ed8b5e
SHA1

b42579f5efbc5efa18eb442c2fc61fa90d988718
SHA256

f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc
SHA512

e2933cef7a5fe25e230e66473acf663859441cf159269db345b12ff082f88f555bf56ec565ba42c61f61db1cc742cb63f2eb77cf37ac9512b7587a56c0f4f8d1
SSDEEP

24576:8ITVuaZN/8RjsOUQ1svsFlreQmkaZrtdYetEfUhdHWIVqk+dKLkHXBwYlINmm4Uh:8BSe/UwPItdrtEfUhdHWIVnTLUmz0kB

Score

10^/10

dcrat 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

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	2760	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2820	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2828	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2612	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2876	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2640	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2632	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2772	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2716	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2648	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1552	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2864	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2600	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1260	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2704	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2924	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1300	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1240	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1624	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1520	2348	schtasks.exe	30
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2360	2348	schtasks.exe	30

DCRat payload 3 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/memory/2108-1-0x0000000000A00000-0x0000000000C4E000-memory.dmp	dcrat
behavioral1/files/0x0005000000019384-16.dat	dcrat
behavioral1/memory/2504-28-0x00000000001A0000-0x00000000003EE000-memory.dmp	dcrat

Executes dropped EXE 1 IoCs

pid	Process
2504	services.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

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Windows Photo Viewer\de-DE\f3b6ecef712a24	f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe
File created	C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\Idle.exe	f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe
File created	C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\6ccacd8608530f	f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe
File created	C:\Program Files (x86)\Windows NT\TableTextService\fr-FR\Idle.exe	f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe
File created	C:\Program Files (x86)\Windows NT\TableTextService\fr-FR\6ccacd8608530f	f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe
File created	C:\Program Files\Windows Sidebar\Shared Gadgets\services.exe	f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe
File created	C:\Program Files\Windows Sidebar\Shared Gadgets\c5b4cb5e9653cc	f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe
File created	C:\Program Files (x86)\Windows Photo Viewer\de-DE\spoolsv.exe	f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Globalization\wininit.exe	f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe
File created	C:\Windows\Globalization\56085415360792	f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.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
2640	schtasks.exe
1552	schtasks.exe
2600	schtasks.exe
2924	schtasks.exe
1240	schtasks.exe
2612	schtasks.exe
2820	schtasks.exe
2876	schtasks.exe
2716	schtasks.exe
1260	schtasks.exe
2704	schtasks.exe
1624	schtasks.exe
2760	schtasks.exe
2648	schtasks.exe
1300	schtasks.exe
2772	schtasks.exe
2632	schtasks.exe
2864	schtasks.exe
1520	schtasks.exe
2360	schtasks.exe
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2108	f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe
2504	services.exe
2504	services.exe
2504	services.exe
2504	services.exe
2504	services.exe
2504	services.exe
2504	services.exe
2504	services.exe
2504	services.exe
2504	services.exe
2504	services.exe
2504	services.exe
2504	services.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2108	f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe
Token: SeDebugPrivilege	2504	services.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2504	2108	f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe	52
PID 2108 wrote to memory of 2504	2108	f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe	52
PID 2108 wrote to memory of 2504	2108	f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.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\f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.exe
"C:\Users\Admin\AppData\Local\Temp\f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc.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:2108
- C:\Program Files\Windows Sidebar\Shared Gadgets\services.exe
  "C:\Program Files\Windows Sidebar\Shared Gadgets\services.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2504

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\explorer.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2760

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2820

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2828

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\lsass.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2612

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Users\Admin\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2876

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2640

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Windows\Globalization\wininit.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2632

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows\Globalization\wininit.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 "wininitw" /sc MINUTE /mo 5 /tr "'C:\Windows\Globalization\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2716

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Photo Viewer\de-DE\spoolsv.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2648

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\de-DE\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1552

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Photo Viewer\de-DE\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2864

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\Idle.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2600

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1260

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2704

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\fr-FR\Idle.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2924

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\TableTextService\fr-FR\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1300

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\fr-FR\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1240

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Sidebar\Shared Gadgets\services.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1624

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Program Files\Windows Sidebar\Shared Gadgets\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1520

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Sidebar\Shared Gadgets\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2360

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft Synchronization Services\ADO.NET\v1.0\Idle.exe

Filesize
2.3MB

MD5
7f9578cac30087f4675bbcb003ed8b5e

SHA1
b42579f5efbc5efa18eb442c2fc61fa90d988718

SHA256
f732f0392878698cc5d43a9d8129c3b16eaa6cc4b50a79b548a32dde7a0456bc

SHA512
e2933cef7a5fe25e230e66473acf663859441cf159269db345b12ff082f88f555bf56ec565ba42c61f61db1cc742cb63f2eb77cf37ac9512b7587a56c0f4f8d1

Download Submit
memory/2108-6-0x00000000001E0000-0x00000000001F2000-memory.dmp

Filesize
72KB

Download
memory/2108-2-0x000007FEF6640000-0x000007FEF702C000-memory.dmp

Filesize
9.9MB

Download
memory/2108-3-0x0000000000140000-0x000000000015C000-memory.dmp

Filesize
112KB

Download
memory/2108-4-0x00000000003F0000-0x0000000000406000-memory.dmp

Filesize
88KB

Download
memory/2108-5-0x00000000005B0000-0x0000000000606000-memory.dmp

Filesize
344KB

Download
memory/2108-0-0x000007FEF6643000-0x000007FEF6644000-memory.dmp

Filesize
4KB

Download
memory/2108-7-0x0000000000410000-0x000000000041E000-memory.dmp

Filesize
56KB

Download
memory/2108-1-0x0000000000A00000-0x0000000000C4E000-memory.dmp

Filesize
2.3MB

Download
memory/2108-29-0x000007FEF6640000-0x000007FEF702C000-memory.dmp

Filesize
9.9MB

Download
memory/2504-28-0x00000000001A0000-0x00000000003EE000-memory.dmp

Filesize
2.3MB

Download
memory/2504-31-0x0000000000560000-0x0000000000572000-memory.dmp

Filesize
72KB

Download
memory/2504-30-0x00000000020D0000-0x0000000002126000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads