dcrat | 2f9c8d486b3bf2191829cef60339da2bec644fcd1b578cffde7a910b17ca8d0a

Analysis

max time kernel
151s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
20-04-2024 11:37

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General

Target

fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe
Size

14.6MB
MD5

fcaf02b6fabfd8432417befde16f26ac
SHA1

a48650e4c45e59be8f31d927aa22a52eb8d21eb1
SHA256

2f9c8d486b3bf2191829cef60339da2bec644fcd1b578cffde7a910b17ca8d0a
SHA512

aa15c4a715fbdf0e5d2aa95442d0e7476643034b12bc061d7a9dd1a2ed840bcf407210c69589c5b2c00c66475e2af1ca21e357c368207d5c94833e9834cb4da7
SSDEEP

98304:f19swT8KfHkpvVkBUp56DJ4hxmH1F32iZU8Usu4:f/7ZAv2kt3s3rT

Score

10^/10

dcrat infostealer rat

Malware Config

Signatures

DcRat 3 IoCs

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

rat infostealer dcrat

Processes:

fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exeschtasks.exeschtasks.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe
5104	schtasks.exe
2220	schtasks.exe

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:

fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

RuntimeBroker.exe

pid process

2528 RuntimeBroker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

5104 schtasks.exe
2220 schtasks.exe

pid	process
2528	RuntimeBroker.exe

pid	process
5104	schtasks.exe
2220	schtasks.exe

Modifies registry class 2 IoCs

Processes:

fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000_Classes\Local Settings	fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXE

pid process

4736 PING.EXE
4316 PING.EXE
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.exe

pid process

1688 powershell.exe
1688 powershell.exe
1256 powershell.exe
1256 powershell.exe
1256 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1688 powershell.exe
Token: SeDebugPrivilege 1256 powershell.exe

pid	process
4736	PING.EXE
4316	PING.EXE

pid	process
1688	powershell.exe
1688	powershell.exe
1256	powershell.exe
1256	powershell.exe
1256	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1688	powershell.exe
Token: SeDebugPrivilege	1256	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.execmd.execmd.exe

description	pid	process	target process
PID 2428 wrote to memory of 1852	2428	fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe	cmd.exe
PID 2428 wrote to memory of 1852	2428	fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe	cmd.exe
PID 1852 wrote to memory of 1688	1852	cmd.exe	powershell.exe
PID 1852 wrote to memory of 1688	1852	cmd.exe	powershell.exe
PID 1852 wrote to memory of 1688	1852	cmd.exe	powershell.exe
PID 2428 wrote to memory of 2528	2428	fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe	RuntimeBroker.exe
PID 2428 wrote to memory of 2528	2428	fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe	RuntimeBroker.exe
PID 2428 wrote to memory of 2528	2428	fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe	RuntimeBroker.exe
PID 2428 wrote to memory of 4776	2428	fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe	cmd.exe
PID 2428 wrote to memory of 4776	2428	fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe	cmd.exe
PID 4776 wrote to memory of 4736	4776	cmd.exe	PING.EXE
PID 4776 wrote to memory of 4736	4776	cmd.exe	PING.EXE
PID 4776 wrote to memory of 4316	4776	cmd.exe	PING.EXE
PID 4776 wrote to memory of 4316	4776	cmd.exe	PING.EXE
PID 1852 wrote to memory of 1256	1852	cmd.exe	powershell.exe
PID 1852 wrote to memory of 1256	1852	cmd.exe	powershell.exe
PID 1852 wrote to memory of 1256	1852	cmd.exe	powershell.exe
PID 1852 wrote to memory of 5104	1852	cmd.exe	schtasks.exe
PID 1852 wrote to memory of 5104	1852	cmd.exe	schtasks.exe
PID 1852 wrote to memory of 2220	1852	cmd.exe	schtasks.exe
PID 1852 wrote to memory of 2220	1852	cmd.exe	schtasks.exe

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\fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe"
1⤵
- DcRat
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2428
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\dhksajhdjkhsahdjksa.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1852
- - C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe
    C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe -NoProfile -NoLogo -ExecutionPolicy Bypass -Command Add-MpPreference -ExclusionPath "C:\Users\Admin "
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1688
- - C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe
    C:\Windows\syswow64\windowspowershell\v1.0\powershell.exe -NoProfile -NoLogo -ExecutionPolicy Bypass -Command Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp "
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1256
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /CREATE /SC ONLOGON /TN "MyTasks\Runtime" /TR "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
    3⤵
    - DcRat
    - Creates scheduled task(s)
    PID:5104
- - C:\Windows\system32\schtasks.exe
    SCHTASKS /CREATE /SC ONLOGON /TN "MyTasks\Services" /TR "C:\Users\Admin\AppData\Local\Temp\ServiceHost.exe"
    3⤵
    - DcRat
    - Creates scheduled task(s)
    PID:2220
- C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
  "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
  2⤵
  - Executes dropped EXE
  PID:2528
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 100 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe"& ping 1.1.1.1 -n 1 -w 900 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\fcaf02b6fabfd8432417befde16f26ac_JaffaCakes118.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4776
- - C:\Windows\system32\PING.EXE
    ping 1.1.1.1 -n 1 -w 100
    3⤵
    - Runs ping.exe
    PID:4736
- - C:\Windows\system32\PING.EXE
    ping 1.1.1.1 -n 1 -w 900
    3⤵
    - Runs ping.exe
    PID:4316

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4076 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:3992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

Filesize
53KB

MD5
124edf3ad57549a6e475f3bc4e6cfe51

SHA1
80f5187eeebb4a304e9caa0ce66fcd78c113d634

SHA256
638c51e173ca6b3469494a7e2e0b656021a761f77b4a83f3e430e82e7b9af675

SHA512
b6c1a9051feeffad54ba1092fd799d34a9578368d7e66b31780fe478c1def0eb4094dce2879003f7389f2f9d86b94a3ef3975e78092a604597841c9b8db120ee

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
fae8c7396a0238f858adc35764d80072

SHA1
dd10fc03c9c8e24739c6b77231f850c9eada8b30

SHA256
8b1bebc77854de2b2b85a9fa50d9cd0dd62055e474860091a1d6657e2950a366

SHA512
e61c1d2d997f288d6eaf5428c1b23b82b51fb04e5bea54ef5ccb230ef35144af83f4340259a97ab1534b51f92f43640ff55fe0c54d0ad7e4538a57baa5c4c9fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe

Filesize
5.1MB

MD5
3430006c9a92ea11eea57db885d56450

SHA1
780e33b4ed0595ab1bdfcd7b4ad2f0cc00e15bb2

SHA256
6350b26074db9c4e800054bee09edc2373bb939c34a35208dbac805e15b50482

SHA512
5633dc3f3524558bc9e6f0a00f4784aaa77f507f7b4f2edfb2261df4f03f53c7b7c9115758ef1aae54952ca5e612f28b2be5f52132fa2f3546fb2f4293554757

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_k13iha5i.j4a.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
589B

MD5
b0d33def080a4731cff31d5d22e5e59b

SHA1
2cf25d141f4250ef03979abefff3f06e65667699

SHA256
fd78b3f2e278d102d0f66a9f00125067c2e5e3d33eadeee796d9146267060d04

SHA512
b4cca9cb617b92c283c19f3067edb09d4907a2c93ae34ca87c6e606464ba5ba8d42099c7a959066ee56043f3a71d726f3b41b4a36268c10b24a879268d988198

Download Submit
memory/1256-158-0x0000000005150000-0x0000000005160000-memory.dmp

Filesize
64KB

Download
memory/1256-150-0x0000000006090000-0x00000000063E4000-memory.dmp

Filesize
3.3MB

Download
memory/1256-144-0x0000000005150000-0x0000000005160000-memory.dmp

Filesize
64KB

Download
memory/1256-143-0x0000000005150000-0x0000000005160000-memory.dmp

Filesize
64KB

Download
memory/1256-142-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/1256-156-0x0000000006AC0000-0x0000000006B0C000-memory.dmp

Filesize
304KB

Download
memory/1256-160-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/1688-113-0x000000007FB60000-0x000000007FB70000-memory.dmp

Filesize
64KB

Download
memory/1688-130-0x0000000007980000-0x0000000007A16000-memory.dmp

Filesize
600KB

Download
memory/1688-106-0x0000000005DE0000-0x0000000006134000-memory.dmp

Filesize
3.3MB

Download
memory/1688-107-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/1688-87-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/1688-90-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/1688-91-0x0000000002C90000-0x0000000002CC6000-memory.dmp

Filesize
216KB

Download
memory/1688-109-0x0000000006300000-0x000000000631E000-memory.dmp

Filesize
120KB

Download
memory/1688-110-0x00000000063D0000-0x000000000641C000-memory.dmp

Filesize
304KB

Download
memory/1688-111-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/1688-112-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/1688-95-0x0000000005460000-0x00000000054C6000-memory.dmp

Filesize
408KB

Download
memory/1688-114-0x0000000006830000-0x0000000006862000-memory.dmp

Filesize
200KB

Download
memory/1688-115-0x00000000708D0000-0x000000007091C000-memory.dmp

Filesize
304KB

Download
memory/1688-125-0x0000000006730000-0x000000000674E000-memory.dmp

Filesize
120KB

Download
memory/1688-126-0x0000000007570000-0x0000000007613000-memory.dmp

Filesize
652KB

Download
memory/1688-127-0x0000000007CF0000-0x000000000836A000-memory.dmp

Filesize
6.5MB

Download
memory/1688-128-0x00000000076A0000-0x00000000076BA000-memory.dmp

Filesize
104KB

Download
memory/1688-129-0x0000000007710000-0x000000000771A000-memory.dmp

Filesize
40KB

Download
memory/1688-96-0x0000000005B40000-0x0000000005BA6000-memory.dmp

Filesize
408KB

Download
memory/1688-131-0x0000000007620000-0x0000000007631000-memory.dmp

Filesize
68KB

Download
memory/1688-132-0x0000000007650000-0x000000000765E000-memory.dmp

Filesize
56KB

Download
memory/1688-133-0x00000000078E0000-0x00000000078F4000-memory.dmp

Filesize
80KB

Download
memory/1688-134-0x0000000007940000-0x000000000795A000-memory.dmp

Filesize
104KB

Download
memory/1688-135-0x0000000007920000-0x0000000007928000-memory.dmp

Filesize
32KB

Download
memory/1688-139-0x000000007FB60000-0x000000007FB70000-memory.dmp

Filesize
64KB

Download
memory/1688-140-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/1688-94-0x00000000053C0000-0x00000000053E2000-memory.dmp

Filesize
136KB

Download
memory/1688-93-0x0000000005510000-0x0000000005B38000-memory.dmp

Filesize
6.2MB

Download
memory/1688-92-0x0000000004ED0000-0x0000000004EE0000-memory.dmp

Filesize
64KB

Download
memory/2428-85-0x00007FFE6DE90000-0x00007FFE6E951000-memory.dmp

Filesize
10.8MB

Download
memory/2428-2-0x0000000003790000-0x00000000037A0000-memory.dmp

Filesize
64KB

Download
memory/2428-1-0x00007FFE6DE90000-0x00007FFE6E951000-memory.dmp

Filesize
10.8MB

Download
memory/2428-0-0x00000000006A0000-0x0000000001540000-memory.dmp

Filesize
14.6MB

Download
memory/2528-108-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2528-89-0x0000000000230000-0x000000000075C000-memory.dmp

Filesize
5.2MB

Download
memory/2528-88-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download