dcrat | e3f18a036f10a5bf7d92648a32f119bbdf79f3ad750532fcd2f70487a9783a19

Analysis

max time kernel
143s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25-07-2024 13:13

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General

Target

AntiHacks.exe
Size

3.2MB
MD5

e0288245a40e10ff53abf8e72a92886b
SHA1

e7c65a626687c6b3e2f72b9af6f3d4a037654fb9
SHA256

e3f18a036f10a5bf7d92648a32f119bbdf79f3ad750532fcd2f70487a9783a19
SHA512

56b7479c02371b318f3403a1715cf195a3f2fb7df66c718e9168943c79ec38d55252834138ef066f15eda3a62f9a7b2bceac855e5455d31380e11efc422f48ac
SSDEEP

49152:6dsTqXFh3qCd825DyT8iHVmw6M2z0dcTaTfZb2fuYgZW83six0cJIjK3Uv+8sLFC:6d1dWAbkNcyZcuYgE4I258AXy

Score

10^/10

dcrat xworm discovery evasion execution infostealer rat trojan

Malware Config

Extracted

Family

xworm

main-although.gl.at.ply.gg:30970

Attributes

Install_directory
%AppData%
install_file
XClient.exe

Signatures

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

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023505-24.dat	family_xworm
behavioral2/memory/1616-34-0x0000000000960000-0x0000000000978000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

DCRat payload 3 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/files/0x000a000000023455-17.dat	dcrat
behavioral2/files/0x0008000000023509-70.dat	dcrat
behavioral2/memory/2896-72-0x0000000000230000-0x00000000004E6000-memory.dmp	dcrat

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
880	powershell.exe
2180	powershell.exe
896	powershell.exe
2348	powershell.exe

Disables Task Manager via registry modification
evasion

Checks computer location settings 2 TTPs 4 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	AntiHacks.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	RuntimeBroker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	checkinghackMinecraft.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	checkinghackMinecraft.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XClient.lnk	checkinghackMinecraft.exe

Executes dropped EXE 4 IoCs

pid	Process
2868	shellbag.exe
3788	RuntimeBroker.exe
1616	checkinghackMinecraft.exe
2896	portproviderperf.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
23	ip-api.com

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RuntimeBroker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shellbag.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000_Classes\Local Settings	RuntimeBroker.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3340	reg.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
880	powershell.exe
880	powershell.exe
2180	powershell.exe
2180	powershell.exe
896	powershell.exe
896	powershell.exe
2348	powershell.exe
2348	powershell.exe
2348	powershell.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	1616	checkinghackMinecraft.exe
Token: SeDebugPrivilege	880	powershell.exe
Token: SeDebugPrivilege	2180	powershell.exe
Token: SeDebugPrivilege	896	powershell.exe
Token: SeDebugPrivilege	2896	portproviderperf.exe
Token: SeDebugPrivilege	2348	powershell.exe
Token: SeDebugPrivilege	1616	checkinghackMinecraft.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2868	shellbag.exe
2868	shellbag.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2868	2596	AntiHacks.exe	88
PID 2596 wrote to memory of 2868	2596	AntiHacks.exe	88
PID 2596 wrote to memory of 2868	2596	AntiHacks.exe	88
PID 2596 wrote to memory of 3788	2596	AntiHacks.exe	89
PID 2596 wrote to memory of 3788	2596	AntiHacks.exe	89
PID 2596 wrote to memory of 3788	2596	AntiHacks.exe	89
PID 2596 wrote to memory of 1616	2596	AntiHacks.exe	90
PID 2596 wrote to memory of 1616	2596	AntiHacks.exe	90
PID 3788 wrote to memory of 2072	3788	RuntimeBroker.exe	91
PID 3788 wrote to memory of 2072	3788	RuntimeBroker.exe	91
PID 3788 wrote to memory of 2072	3788	RuntimeBroker.exe	91
PID 1616 wrote to memory of 880	1616	checkinghackMinecraft.exe	96
PID 1616 wrote to memory of 880	1616	checkinghackMinecraft.exe	96
PID 1616 wrote to memory of 2180	1616	checkinghackMinecraft.exe	98
PID 1616 wrote to memory of 2180	1616	checkinghackMinecraft.exe	98
PID 2072 wrote to memory of 4656	2072	WScript.exe	100
PID 2072 wrote to memory of 4656	2072	WScript.exe	100
PID 2072 wrote to memory of 4656	2072	WScript.exe	100
PID 4656 wrote to memory of 2896	4656	cmd.exe	102
PID 4656 wrote to memory of 2896	4656	cmd.exe	102
PID 1616 wrote to memory of 896	1616	checkinghackMinecraft.exe	103
PID 1616 wrote to memory of 896	1616	checkinghackMinecraft.exe	103
PID 1616 wrote to memory of 2348	1616	checkinghackMinecraft.exe	105
PID 1616 wrote to memory of 2348	1616	checkinghackMinecraft.exe	105
PID 4656 wrote to memory of 3340	4656	cmd.exe	108
PID 4656 wrote to memory of 3340	4656	cmd.exe	108
PID 4656 wrote to memory of 3340	4656	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\AntiHacks.exe
"C:\Users\Admin\AppData\Local\Temp\AntiHacks.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Users\Admin\AppData\Local\Temp\shellbag.exe
  "C:\Users\Admin\AppData\Local\Temp\shellbag.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2868
- C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe
  "C:\Users\Admin\AppData\Local\Temp\RuntimeBroker.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3788
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\SurrogatewinDrivernetsvc\sVkY0feTF0k.vbe"
    3⤵
    - Checks computer location settings
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2072
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\SurrogatewinDrivernetsvc\qbWCF1w5.bat" "
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4656
    - - C:\SurrogatewinDrivernetsvc\portproviderperf.exe
        
        "C:\SurrogatewinDrivernetsvc\portproviderperf.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:2896
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
        5⤵
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:3340
- C:\Users\Admin\AppData\Local\Temp\checkinghackMinecraft.exe
  "C:\Users\Admin\AppData\Local\Temp\checkinghackMinecraft.exe"
  2⤵
  - Checks computer location settings
  - Drops startup file
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1616
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\checkinghackMinecraft.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:880
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'checkinghackMinecraft.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2180
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:896
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\SurrogatewinDrivernetsvc\portproviderperf.exe

Filesize
2.7MB

MD5
ccb3ede1b16f1040b8050978c107cd88

SHA1
0c5daee4db896be5f6e24076eba13d73958f35b0

SHA256
55013eeda207f51fa0e08e6c73193c56cc894c31e66dd08f8a7a085bad349fa0

SHA512
387c524522afdac4916fbb9c39e6dc137c922f27e534bd1cf1ec98bac357fc9c7add2de5ef70e5d6cdca0e1cbc9f7bd43b80cf9a9add6728234758e1e81f7e56

Download Submit
C:\SurrogatewinDrivernetsvc\qbWCF1w5.bat

Filesize
162B

MD5
e01ef91219b266b14d1ae415d30256d5

SHA1
cad006a2efee48fcad1166e7ce3bc118ff139808

SHA256
db58b3dde8508ecbe59d938545246355b52d9cdec29f76657b66638c4d7aeeb2

SHA512
7826ca4bda02431bff87c7c72bd1ea53bc769b8574302a37445318360326e5a89e309c35dbc8f9981ec35c5067b4a459195b78d0289f5d93f6ec54be4c3f1e7b

Download Submit
C:\SurrogatewinDrivernetsvc\sVkY0feTF0k.vbe

Filesize
209B

MD5
dff0ba210d60370a3210fbf77409987f

SHA1
dde49d39fcbd1fdef91262c3606dc428efb8edfa

SHA256
79720c3c313e1bdd57e0ddd8824ea9d0792b37388d0e7f06e9fddb07e63241ab

SHA512
a9a619f85ba84275a1dea2728201eeace31819a8654058e316edf701baa78370600719ad4100d6f7c3a505c88417730c968cf57a03b3b2b067979d9123f634a7

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

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
cadef9abd087803c630df65264a6c81c

SHA1
babbf3636c347c8727c35f3eef2ee643dbcc4bd2

SHA256
cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

SHA512
7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

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

Filesize
944B

MD5
eb1ad317bd25b55b2bbdce8a28a74a94

SHA1
98a3978be4d10d62e7411946474579ee5bdc5ea6

SHA256
9e94e7c9ac6134ee30e79498558aa1a5a1ac79a643666c3f8922eed215dd3a98

SHA512
d011f266c0240d84470c0f9577cd9e4927309bd19bb38570ca9704ed8e1d159f9bea982a59d3eefef72ce7a10bd81208b82e88ef57c7af587f7437a89769adc0

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

Filesize
944B

MD5
bbc2b43d5e574fe7d193c6fc0eb7302c

SHA1
f22683b94ad593fd0513fef37df1fb5d0880cc22

SHA256
0efa2469ae0b02af024fd0e2828ccab085eaefef3736b3bda0ba631e3a45aa48

SHA512
287449b168297a5176b26777f2f5ca3284d967b93274db8b3029d130049073560a10e418607f670d08194193aa91fc9cd174717e7c1d051b09c23857fe3ab9d2

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

Filesize
3.0MB

MD5
02a93a43adbbdfcdeb26c8103fe6696f

SHA1
3e1868a55003bc3e3e3f12194a9c79278dd82ffa

SHA256
826cd4f11e7de9cf540c894d23ba1164d14abe8df3fbb3edcf3b7052db1e45ee

SHA512
bfd5e591186fc35db75298954340f7c13c9a42d525641f5d953db0bd708abb6bf8fbe54ffe37bfd37ded72be63e2885b7544ae3b8126410864d78411bf025f0c

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lqs12nqo.lia.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
71KB

MD5
ed3794861ddc34b4748ff8081e80cb2b

SHA1
e63cf084552f0c2803de0109e3d2fcd3102c4738

SHA256
6af19a694c8c3e6860d2555ce16be115c599c3424ec1e01c0bf67acd3298ae0f

SHA512
df771b8eecb7e065628c06b8cca9aa7df6dd05bbdba0f85ed34010e264a286a17129289d6ac3e9f87c56152ed7a35302e88ae6643a1bb06c45745cf3d5ea0b03

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

Filesize
1.6MB

MD5
463058236a0d84f8f8982d946eed0e07

SHA1
800ab71ed3b3bf4fb67fc9e1628e59d0aab8b124

SHA256
c93a0f4c6b5f24ee31cddb92b0ea3337021b5fb91faae8a381d3bd2c9b6add54

SHA512
18bd9aea8489c5e873a679da92c83d2739de9532f5751bd23aea9eda226b9a95909f8fd525b0ce47859492997002aee32ecf37bb79e07f24b512287b8fd58a53

Download Submit
memory/880-45-0x00000255378E0000-0x0000025537902000-memory.dmp

Filesize
136KB

Download
memory/1616-33-0x00007FF9EA8E0000-0x00007FF9EB3A1000-memory.dmp

Filesize
10.8MB

Download
memory/1616-34-0x0000000000960000-0x0000000000978000-memory.dmp

Filesize
96KB

Download
memory/1616-104-0x00007FF9EA8E0000-0x00007FF9EB3A1000-memory.dmp

Filesize
10.8MB

Download
memory/2596-35-0x00007FF9EA8E0000-0x00007FF9EB3A1000-memory.dmp

Filesize
10.8MB

Download
memory/2596-0-0x00007FF9EA8E3000-0x00007FF9EA8E5000-memory.dmp

Filesize
8KB

Download
memory/2596-3-0x00007FF9EA8E0000-0x00007FF9EB3A1000-memory.dmp

Filesize
10.8MB

Download
memory/2596-1-0x00000000007B0000-0x0000000000AEA000-memory.dmp

Filesize
3.2MB

Download
memory/2868-102-0x0000000000400000-0x0000000000572000-memory.dmp

Filesize
1.4MB

Download
memory/2896-72-0x0000000000230000-0x00000000004E6000-memory.dmp

Filesize
2.7MB

Download
memory/2896-84-0x0000000000CA0000-0x0000000000CAE000-memory.dmp

Filesize
56KB

Download