dcrat | 69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7

General

Target

69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe
Size

828KB
MD5

c6b30f794dcf67851d13e3335ef57088
SHA1

e97b575fc270d97d1e2df38291fd44dc70ff95ab
SHA256

69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7
SHA512

28dc37c57408fa9e6e3a14a99d602e6c0f937e259f21eefd016424d03d40066e6b518c9b0bcbae8039c1691ce43ba8803c568ad69df163938e4ff2235c55188b
SSDEEP

12288:K5jHYVjmobNqsKDsSvjbHQVtVZJizDxRxhDsGALvbI6bnY6a2Xuk:1b4sKDZUZJuR/ALvbLnY8Xuk

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 12 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	2376	2468	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2080	2468	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2784	2468	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2708	2468	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2688	2468	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3056	2468	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2356	2468	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2988	2468	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2752	2468	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2556	2468	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2576	2468	schtasks.exe	31
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2448	2468	schtasks.exe	31

DCRat payload 3 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/memory/2308-1-0x0000000001380000-0x0000000001456000-memory.dmp	dcrat
behavioral1/files/0x0005000000019234-11.dat	dcrat
behavioral1/memory/2980-18-0x00000000003E0000-0x00000000004B6000-memory.dmp	dcrat

Executes dropped EXE 1 IoCs

pid	Process
2980	lsm.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\VideoLAN\VLC\lua\http\lsm.exe	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\101b941d020240	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.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 12 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2752	schtasks.exe
2576	schtasks.exe
2784	schtasks.exe
2988	schtasks.exe
2708	schtasks.exe
2688	schtasks.exe
3056	schtasks.exe
2356	schtasks.exe
2556	schtasks.exe
2448	schtasks.exe
2376	schtasks.exe
2080	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2308	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe
2980	lsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe
Token: SeDebugPrivilege	2980	lsm.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 2980	2308	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe	44
PID 2308 wrote to memory of 2980	2308	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe	44
PID 2308 wrote to memory of 2980	2308	69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe	44

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\69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe
"C:\Users\Admin\AppData\Local\Temp\69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Program Files\VideoLAN\VLC\lua\http\lsm.exe
  "C:\Program Files\VideoLAN\VLC\lua\http\lsm.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2980

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WMIADAPW" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-0116-0409-1000-0000000FF1CE}-C\WMIADAP.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2376

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WMIADAP" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0116-0409-1000-0000000FF1CE}-C\WMIADAP.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2080

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WMIADAPW" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-0116-0409-1000-0000000FF1CE}-C\WMIADAP.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2784

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\lsass.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2708

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\lsass.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 "lsassl" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3056

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\explorer.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2356

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2988

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-001B-0409-0000-0000000FF1CE}-C\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2752

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 5 /tr "'C:\Program Files\VideoLAN\VLC\lua\http\lsm.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2556

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Program Files\VideoLAN\VLC\lua\http\lsm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2576

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 10 /tr "'C:\Program Files\VideoLAN\VLC\lua\http\lsm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2448

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\VideoLAN\VLC\lua\http\lsm.exe

Filesize
828KB

MD5
c6b30f794dcf67851d13e3335ef57088

SHA1
e97b575fc270d97d1e2df38291fd44dc70ff95ab

SHA256
69ff8a0bc37e646c87c138131da225d134464a806fea55d265ee5813756340d7

SHA512
28dc37c57408fa9e6e3a14a99d602e6c0f937e259f21eefd016424d03d40066e6b518c9b0bcbae8039c1691ce43ba8803c568ad69df163938e4ff2235c55188b

Download Submit
memory/2308-0-0x000007FEF5863000-0x000007FEF5864000-memory.dmp

Filesize
4KB

Download
memory/2308-1-0x0000000001380000-0x0000000001456000-memory.dmp

Filesize
856KB

Download
memory/2308-2-0x000007FEF5860000-0x000007FEF624C000-memory.dmp

Filesize
9.9MB

Download
memory/2308-17-0x000007FEF5860000-0x000007FEF624C000-memory.dmp

Filesize
9.9MB

Download
memory/2980-18-0x00000000003E0000-0x00000000004B6000-memory.dmp

Filesize
856KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads