dcrat | 619f85e67208f3639eacc3121636208ce043ce5cf1f5204b86857cb03b5a004a

General

Target

cheeto.exe
Size

1.8MB
MD5

42b89874d3138f40f32285be945f2ceb
SHA1

1766b4c4a040ba19afc4318e9b2eab775fee88d7
SHA256

619f85e67208f3639eacc3121636208ce043ce5cf1f5204b86857cb03b5a004a
SHA512

df44c7f5677a0b8e181f52b5c865315672b7c90b37f99c3b5e31714bdbb47d32d652073c42f1e614d2911faddc0394411aa3e1b8c3f832549c0d52f409722ca9
SSDEEP

49152:QdBn+oix+Z7vL4tzzQVGVzDd3Omjq+FLof:QdB+jx+Jv6zQVy1FLof

Score

10^/10

dcrat discovery 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 18 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2284	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3964	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2624	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2012	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1316	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3808	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1600	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1996	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	264	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1592	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	756	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3316	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5064	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1424	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3696	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4248	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1768	1412	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2196	1412	schtasks.exe	83

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

Processes:

cheeto.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	cheeto.exe

Drops file in Program Files directory 11 IoCs

Processes:

cheeto.exe

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\wininit.exe	cheeto.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\wininit.exe	cheeto.exe
File created	C:\Program Files (x86)\Microsoft\Edge\Application\56085415360792	cheeto.exe
File created	C:\Program Files\Windows Defender\de-DE\sppsvc.exe	cheeto.exe
File created	C:\Program Files\Windows Defender\de-DE\0a1fd5f707cd16	cheeto.exe
File created	C:\Program Files\Windows Defender\en-US\5b884080fd4f94	cheeto.exe
File created	C:\Program Files (x86)\Windows Photo Viewer\en-US\dwm.exe	cheeto.exe
File created	C:\Program Files (x86)\Windows Photo Viewer\spoolsv.exe	cheeto.exe
File created	C:\Program Files (x86)\Windows Photo Viewer\f3b6ecef712a24	cheeto.exe
File created	C:\Program Files\Windows Defender\en-US\fontdrvhost.exe	cheeto.exe
File created	C:\Program Files (x86)\Windows Photo Viewer\en-US\6cb0b6c459d5d3	cheeto.exe

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

System Information Discovery
T1082

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

Processes:

PING.EXE

pid	Process
2124	PING.EXE

Modifies registry class 1 IoCs

Processes:

cheeto.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\Local Settings	cheeto.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

Processes:

PING.EXE

pid	Process
2124	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 18 IoCs

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

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid	Process
1316	schtasks.exe
3316	schtasks.exe
5064	schtasks.exe
1768	schtasks.exe
2284	schtasks.exe
3808	schtasks.exe
1592	schtasks.exe
756	schtasks.exe
3696	schtasks.exe
4248	schtasks.exe
2012	schtasks.exe
1600	schtasks.exe
2196	schtasks.exe
2624	schtasks.exe
1996	schtasks.exe
264	schtasks.exe
1424	schtasks.exe
3964	schtasks.exe

Suspicious behavior: EnumeratesProcesses 41 IoCs

Processes:

cheeto.exe

pid	Process
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe
4088	cheeto.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

cheeto.exe

description	pid	Process
Token: SeDebugPrivilege	4088	cheeto.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cheeto.execmd.exe

description	pid	Process	procid_target
PID 4088 wrote to memory of 2264	4088	cheeto.exe	102
PID 4088 wrote to memory of 2264	4088	cheeto.exe	102
PID 2264 wrote to memory of 2388	2264	cmd.exe	104
PID 2264 wrote to memory of 2388	2264	cmd.exe	104
PID 2264 wrote to memory of 2124	2264	cmd.exe	105
PID 2264 wrote to memory of 2124	2264	cmd.exe	105

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\cheeto.exe
"C:\Users\Admin\AppData\Local\Temp\cheeto.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4088
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\b1xHEO02HF.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2264
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:2388
- - C:\Windows\system32\PING.EXE
    ping -n 10 localhost
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2124

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Photo Viewer\en-US\dwm.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2284

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\en-US\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3964

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Photo Viewer\en-US\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2624

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Program Files\Windows Defender\en-US\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2012

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files\Windows Defender\en-US\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1316

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Defender\en-US\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3808

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\Program Files\Windows Defender\de-DE\sppsvc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1600

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files\Windows Defender\de-DE\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1996

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Defender\de-DE\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:264

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Photo Viewer\spoolsv.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1592

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:756

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Photo Viewer\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3316

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Microsoft\Edge\Application\wininit.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5064

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\Edge\Application\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1424

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Microsoft\Edge\Application\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3696

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cheetoc" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\AppData\Local\Temp\cheeto.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4248

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cheeto" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\Temp\cheeto.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1768

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cheetoc" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\AppData\Local\Temp\cheeto.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2196

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

2

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Windows Photo Viewer\en-US\dwm.exe

Filesize
1.8MB

MD5
42b89874d3138f40f32285be945f2ceb

SHA1
1766b4c4a040ba19afc4318e9b2eab775fee88d7

SHA256
619f85e67208f3639eacc3121636208ce043ce5cf1f5204b86857cb03b5a004a

SHA512
df44c7f5677a0b8e181f52b5c865315672b7c90b37f99c3b5e31714bdbb47d32d652073c42f1e614d2911faddc0394411aa3e1b8c3f832549c0d52f409722ca9

Download Submit
C:\Users\Admin\AppData\Local\Temp\b1xHEO02HF.bat

Filesize
183B

MD5
03c21b077301b954345d975cedf0512c

SHA1
c3ad50e6d7d2b2f688a5059ac0a80a40c18377b3

SHA256
4b9f2ab53d718edc6eb0d5efa8aeeda857503dc3ff7cbb3c16b9772d7ea7e3ce

SHA512
ca1aa28940f6863b79f4d39ecde9539ac649831234c4271367ad8373d819bb8d0ef256a56058de8de492194b76c4cce5a625a9c6ec706486003490b4ab05d318

Download Submit
memory/4088-10-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4088-11-0x000000001B5C0000-0x000000001B610000-memory.dmp

Filesize
320KB

Download
memory/4088-4-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4088-6-0x0000000001350000-0x000000000135E000-memory.dmp

Filesize
56KB

Download
memory/4088-7-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4088-9-0x000000001B550000-0x000000001B56C000-memory.dmp

Filesize
112KB

Download
memory/4088-0-0x00007FFA2F173000-0x00007FFA2F175000-memory.dmp

Filesize
8KB

Download
memory/4088-14-0x000000001B570000-0x000000001B588000-memory.dmp

Filesize
96KB

Download
memory/4088-12-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4088-3-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4088-15-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4088-2-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4088-27-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4088-28-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4088-29-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4088-35-0x00007FFA2F170000-0x00007FFA2FC31000-memory.dmp

Filesize
10.8MB

Download
memory/4088-1-0x0000000000850000-0x0000000000A22000-memory.dmp

Filesize
1.8MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads