dcrat | 1de7650c556d75e0601b93f8efd55d10f6c8d5f344d92aa2bda1bc7a9412866e

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14-06-2023 01:23

Target

2ab209c8b13fc820c0f2cd15de422053e94e2ca02b939ff97eeb2abceb5bb810.exe
Size

897KB
MD5

3a68a2cbeb827588f3749568b121a79b
SHA1

a40fc3b0c547826353088baf247b379f1e10f25d
SHA256

2ab209c8b13fc820c0f2cd15de422053e94e2ca02b939ff97eeb2abceb5bb810
SHA512

7ab8bb1605cfed214d05c6dac5dc05df0b66c90e7abe67629e8c879483d5f2784edae832f48acfc92c968a3da1f13e76e5db699890ed85b0c00bb551e0e70b7d
SSDEEP

12288:x7Gmaojeh4hLyhLk9el5ih7XrIqEMbs0qFvPrVc8Ml1T5J4rNl99uF04r4hZZ1v6:MTMYP2tP4CKdKh

Score

10^/10

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

DCRat payload 1 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

Processes:

resource	yara_rule
behavioral2/memory/3940-133-0x0000000000400000-0x00000000004CE000-memory.dmp	dcrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

2ab209c8b13fc820c0f2cd15de422053e94e2ca02b939ff97eeb2abceb5bb810.exe

description	pid	process	target process
PID 2240 set thread context of 3940	2240	2ab209c8b13fc820c0f2cd15de422053e94e2ca02b939ff97eeb2abceb5bb810.exe	AppLaunch.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2676 2240 WerFault.exe 2ab209c8b13fc820c0f2cd15de422053e94e2ca02b939ff97eeb2abceb5bb810.exe

pid	pid_target	process	target process
2676	2240	WerFault.exe	2ab209c8b13fc820c0f2cd15de422053e94e2ca02b939ff97eeb2abceb5bb810.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

AppLaunch.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AppLaunch.exe

pid process

3940 AppLaunch.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

AppLaunch.exe

description pid process

Token: SeDebugPrivilege 3940 AppLaunch.exe

description	pid	process
Token: SeDebugPrivilege	3940	AppLaunch.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

2ab209c8b13fc820c0f2cd15de422053e94e2ca02b939ff97eeb2abceb5bb810.exe

description	pid	process	target process
PID 2240 wrote to memory of 3940	2240	2ab209c8b13fc820c0f2cd15de422053e94e2ca02b939ff97eeb2abceb5bb810.exe	AppLaunch.exe
PID 2240 wrote to memory of 3940	2240	2ab209c8b13fc820c0f2cd15de422053e94e2ca02b939ff97eeb2abceb5bb810.exe	AppLaunch.exe
PID 2240 wrote to memory of 3940	2240	2ab209c8b13fc820c0f2cd15de422053e94e2ca02b939ff97eeb2abceb5bb810.exe	AppLaunch.exe
PID 2240 wrote to memory of 3940	2240	2ab209c8b13fc820c0f2cd15de422053e94e2ca02b939ff97eeb2abceb5bb810.exe	AppLaunch.exe
PID 2240 wrote to memory of 3940	2240	2ab209c8b13fc820c0f2cd15de422053e94e2ca02b939ff97eeb2abceb5bb810.exe	AppLaunch.exe

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2240 -s 140
2⤵
- Program crash
PID:2676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2240 -ip 2240
1⤵
PID:3036

memory/3940-133-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/3940-138-0x0000000005B40000-0x00000000060E4000-memory.dmp

Filesize
5.6MB

Download
memory/3940-139-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download
memory/3940-140-0x0000000005720000-0x0000000005770000-memory.dmp

Filesize
320KB

Download
memory/3940-141-0x0000000006620000-0x0000000006B4C000-memory.dmp

Filesize
5.2MB

Download
memory/3940-142-0x0000000005A90000-0x0000000005AF6000-memory.dmp

Filesize
408KB

Download
memory/3940-143-0x0000000006BF0000-0x0000000006C82000-memory.dmp

Filesize
584KB

Download
memory/3940-144-0x0000000004FC0000-0x0000000004FD0000-memory.dmp

Filesize
64KB

Download