discordrat | c360484506d3e4f40c274f12edfcf2ceafd8c6e98f806218d24f1262bf29586f

Resubmissions

29-10-2024 20:57

241029-zrvd8aymat 10

29-10-2024 20:55

241029-zqlexszejm 7

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-10-2024 20:57

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General

Target

Kgcheat.exe
Size

1.1MB
MD5

cfeee3c91e88223cdf73628e32aa0ac7
SHA1

9aed5554df0198884824667b24f88f65a114c49b
SHA256

d6677579355c01a07792d6ed3678b6e7711111e326f6147a3b447634b5cec5f4
SHA512

60be26bafec0aa86c1487fa26210ec2328f86634a5a7037be47090b68a016c50a57130ebdd9a05b1a32465b49be99cdc60cb375080d51bccc4f7478be875d22c
SSDEEP

24576:AuDXTIGaPhEYzUzA0YT9mf+g8Gd4HXdTbX5U2ZFskFzZ+0:vDjlabwz9YTkwGd43BX5U2Ykvx

Score

10^/10

discordrat discovery persistence rat rootkit spyware stealer upx

Malware Config

Extracted

Family

discordrat

Attributes

discord_token
MTI5ODgxODUyMzk0NjI4NzEyNA.GpyuQB.QlHqnz-dbIht50cFUATJeGkye7tbkFnlRsHYAE
server_id
1298864586409250888

Signatures

Discord RAT
A RAT written in C# using Discord as a C2.
stealer rootkit rat persistence discordrat
Discordrat family
discordrat
Downloads MZ/PE file
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:

Kgcheat.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation Kgcheat.exe
Executes dropped EXE 2 IoCs

Processes:

samp.exeghost.exe

pid process

4912 samp.exe
5064 ghost.exe
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	Kgcheat.exe

pid	process
4912	samp.exe
5064	ghost.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 9 IoCs

Web Service

T1102

Processes:

flow	ioc
79	discord.com
46	discord.com
75	discord.com
76	discord.com
78	raw.githubusercontent.com
45	discord.com
51	discord.com
77	raw.githubusercontent.com
80	discord.com

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\RarSFX0\samp.exe	upx
behavioral1/memory/4912-10-0x0000000000400000-0x0000000000525000-memory.dmp	upx
behavioral1/memory/4912-13-0x0000000000400000-0x0000000000525000-memory.dmp	upx
behavioral1/memory/4912-16-0x0000000000400000-0x0000000000525000-memory.dmp	upx
behavioral1/memory/4912-17-0x0000000000400000-0x0000000000525000-memory.dmp	upx
behavioral1/memory/4912-18-0x0000000000400000-0x0000000000525000-memory.dmp	upx

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 1 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

Processes:

samp.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language samp.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	samp.exe

Modifies registry class 2 IoCs

Processes:

samp.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	samp.exe
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	samp.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

samp.exe

pid process

4912 samp.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ghost.exe

description pid process

Token: SeDebugPrivilege 5064 ghost.exe

pid	process
4912	samp.exe

description	pid	process
Token: SeDebugPrivilege	5064	ghost.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

Kgcheat.exe

description	pid	process	target process
PID 3112 wrote to memory of 4912	3112	Kgcheat.exe	samp.exe
PID 3112 wrote to memory of 4912	3112	Kgcheat.exe	samp.exe
PID 3112 wrote to memory of 4912	3112	Kgcheat.exe	samp.exe
PID 3112 wrote to memory of 5064	3112	Kgcheat.exe	ghost.exe
PID 3112 wrote to memory of 5064	3112	Kgcheat.exe	ghost.exe

C:\Users\Admin\AppData\Local\Temp\Kgcheat.exe
"C:\Users\Admin\AppData\Local\Temp\Kgcheat.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3112
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\samp.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\samp.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  PID:4912
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\ghost.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\ghost.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:5064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\ghost.exe

Filesize
78KB

MD5
c13e6463d6bf8b9df8224f3c0640e5e7

SHA1
821b72099e3f84a15692c516ff3936586eb1cf56

SHA256
410a7494b6c174e0b368bfa7689538e18b7906a3d741639f42163640a90fd139

SHA512
cb63eff819bcb3da1efc8d7c56cf26203905b9c6d09bafb938088260e7a9f9f6c5e1e9084bf8c2a9d34917f999cdac3ed22f0a4ad93ee2f96e8d5a8d5b08e451

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\samp.exe

Filesize
403KB

MD5
c1aedd9f2dac8a7f79ed40d264b4df6d

SHA1
6faebb34ab3dc53565a53affda48a7f7a2faf3ff

SHA256
f7c4372c8545121938230ae0c9f1d9bd297836e8ad37afa710ee93f2c4791ade

SHA512
d7ed34e9e97be609387b367463d559037f4c69ffa6d3a25943536d98f6a8f4cbe6353d838c47a9d7ee7d43c875d18a08ce19c36428cf37fc5b8a723ff34ecb36

Download Submit
memory/4912-17-0x0000000000400000-0x0000000000525000-memory.dmp

Filesize
1.1MB

Download
memory/4912-13-0x0000000000400000-0x0000000000525000-memory.dmp

Filesize
1.1MB

Download
memory/4912-15-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download
memory/4912-16-0x0000000000400000-0x0000000000525000-memory.dmp

Filesize
1.1MB

Download
memory/4912-12-0x0000000000B40000-0x0000000000B41000-memory.dmp

Filesize
4KB

Download
memory/4912-18-0x0000000000400000-0x0000000000525000-memory.dmp

Filesize
1.1MB

Download
memory/4912-10-0x0000000000400000-0x0000000000525000-memory.dmp

Filesize
1.1MB

Download
memory/5064-29-0x000001492DB00000-0x000001492DB18000-memory.dmp

Filesize
96KB

Download
memory/5064-30-0x0000014948100000-0x00000149482C2000-memory.dmp

Filesize
1.8MB

Download
memory/5064-31-0x0000014949460000-0x0000014949988000-memory.dmp

Filesize
5.2MB

Download
memory/5064-32-0x0000014949050000-0x00000149490C6000-memory.dmp

Filesize
472KB

Download
memory/5064-33-0x0000014948090000-0x00000149480A2000-memory.dmp

Filesize
72KB

Download
memory/5064-34-0x00000149480C0000-0x00000149480DE000-memory.dmp

Filesize
120KB

Download