discordrat | hxxps://cdn[.]discordapp[.]com/attachments/1254334525543288915/1254336947875217519/solarabootstraper[.]exe?ex=667bc2d0&is=667a7150&hm=9e37d9feda8ac823db279851a858c2d999a629b641924f99d34c335af2ab7d6e&

Analysis

max time kernel
87s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
25-06-2024 16:19

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Reason

Machine shutdown

Report Analysis Logs

General

Target

https://cdn.discordapp.com/attachments/1254334525543288915/1254336947875217519/solarabootstraper.exe?ex=667bc2d0&is=667a7150&hm=9e37d9feda8ac823db279851a858c2d999a629b641924f99d34c335af2ab7d6e&

Score

10^/10

discordrat persistence ransomware rat rootkit spyware stealer

Malware Config

Extracted

Family

discordrat

Attributes

discord_token
MTIzOTEzMTk4MTc4NzI5OTkxMg.G2PouQ.rmLVRC29c13dyUDlcJhFL4MtNpJCMM3OTOmuyI
server_id
1254334525543288912

Signatures

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

Executes dropped EXE 4 IoCs

pid	Process
4360	solarabootstraper.exe
5072	test.exe
3736	solarabootstraper.exe
1280	test.exe

Reads user/profile data of web browsers 2 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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 16 IoCs

Web Service

T1102

flow	ioc
27	discord.com
34	discord.com
21	raw.githubusercontent.com
23	discord.com
33	discord.com
35	discord.com
38	discord.com
1	raw.githubusercontent.com
20	discord.com
22	discord.com
28	discord.com
36	discord.com
2	discord.com
18	discord.com
25	discord.com
29	discord.com

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1276817940-128734381-631578427-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tmp6E45.tmp.png"	test.exe

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1276817940-128734381-631578427-1000_Classes\Local Settings	msedge.exe

NTFS ADS 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Downloads\Unconfirmed 203166.crdownload:SmartScreen	msedge.exe
File opened for modification	C:\Users\Admin\Downloads\solarabootstraper.exe:Zone.Identifier	msedge.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4020	msedge.exe
4020	msedge.exe
1160	msedge.exe
1160	msedge.exe
1540	identity_helper.exe
1540	identity_helper.exe
1480	msedge.exe
1480	msedge.exe
3076	msedge.exe
3076	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5072	test.exe
Token: SeDebugPrivilege	1280	test.exe
Token: SeShutdownPrivilege	5072	test.exe

Suspicious use of FindShellTrayWindow 35 IoCs

pid	Process
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe
1160	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 5104	1160	msedge.exe	80
PID 1160 wrote to memory of 5104	1160	msedge.exe	80
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 1408	1160	msedge.exe	81
PID 1160 wrote to memory of 4020	1160	msedge.exe	82
PID 1160 wrote to memory of 4020	1160	msedge.exe	82
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83
PID 1160 wrote to memory of 1156	1160	msedge.exe	83

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://cdn.discordapp.com/attachments/1254334525543288915/1254336947875217519/solarabootstraper.exe?ex=667bc2d0&is=667a7150&hm=9e37d9feda8ac823db279851a858c2d999a629b641924f99d34c335af2ab7d6e&
1⤵
- Enumerates system info in registry
- Modifies registry class
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffde4fd3cb8,0x7ffde4fd3cc8,0x7ffde4fd3cd8
  2⤵
  PID:5104
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1924,1614710295281156842,8792506527496846281,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1940 /prefetch:2
  2⤵
  PID:1408
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1924,1614710295281156842,8792506527496846281,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2384 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4020
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1924,1614710295281156842,8792506527496846281,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2768 /prefetch:8
  2⤵
  PID:1156
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,1614710295281156842,8792506527496846281,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3340 /prefetch:1
  2⤵
  PID:4256
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,1614710295281156842,8792506527496846281,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3388 /prefetch:1
  2⤵
  PID:2132
- C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1924,1614710295281156842,8792506527496846281,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5396 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1540
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,1614710295281156842,8792506527496846281,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5436 /prefetch:1
  2⤵
  PID:3184
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=1924,1614710295281156842,8792506527496846281,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5884 /prefetch:8
  2⤵
  PID:2324
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1924,1614710295281156842,8792506527496846281,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5632 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1480
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=1924,1614710295281156842,8792506527496846281,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6068 /prefetch:8
  2⤵
  - NTFS ADS
  - Suspicious behavior: EnumeratesProcesses
  PID:3076
- C:\Users\Admin\Downloads\solarabootstraper.exe
  "C:\Users\Admin\Downloads\solarabootstraper.exe"
  2⤵
  - Executes dropped EXE
  PID:4360
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\test.exe
    "C:\Users\Admin\AppData\Local\Temp\RarSFX0\test.exe"
    3⤵
    - Executes dropped EXE
    - Sets desktop wallpaper using registry
    - Suspicious use of AdjustPrivilegeToken
    PID:5072
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,1614710295281156842,8792506527496846281,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5184 /prefetch:1
  2⤵
  PID:5064
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,1614710295281156842,8792506527496846281,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5632 /prefetch:1
  2⤵
  PID:412
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,1614710295281156842,8792506527496846281,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4000 /prefetch:1
  2⤵
  PID:3968
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,1614710295281156842,8792506527496846281,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6300 /prefetch:1
  2⤵
  PID:2192

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1784

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1624

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3772

C:\Users\Admin\Downloads\solarabootstraper.exe
"C:\Users\Admin\Downloads\solarabootstraper.exe"
1⤵
- Executes dropped EXE
PID:3736
- C:\Users\Admin\AppData\Local\Temp\RarSFX1\test.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX1\test.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact