asyncrat | 7a46ef094ced0de01d6a2c2727ad015248f78eeb364a0af1e9cb0038942639ad

Analysis

max time kernel
143s
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
12-12-2024 11:47

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General

Target

2024-12-12_2f6ff8ef5c26593f4d3eb024cd8fa050_icedid.exe
Size

1.9MB
MD5

2f6ff8ef5c26593f4d3eb024cd8fa050
SHA1

1ed85fbd549e9b7864c6e1ea7e73bf3da1a8f0f6
SHA256

7a46ef094ced0de01d6a2c2727ad015248f78eeb364a0af1e9cb0038942639ad
SHA512

f88567b91bb2681336a9dfd688911d9d58d804e1f239b4d7164f7bcd835efd173d76bacd6336ea3cfd0798a347fe9f14c5772ea9eb023229e22d25d291435001
SSDEEP

24576:2jmc9/6Am6l0ikrNLKPXeiNuNLUZF1hKnGDDSo0uBGz:2p/h4rNcXeiNuNwZVKnGSow

Score

10^/10

asyncrat dicembrinos11 discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Dicembrinos11

cascam12.casacam.net:8855

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ElectronArtsCLI = "C:\\Users\\Admin\\Videos\\ElectronArts\\Bin\\ElectronArtsCLI.exe"	2024-12-12_2f6ff8ef5c26593f4d3eb024cd8fa050_icedid.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3668 set thread context of 208	3668	2024-12-12_2f6ff8ef5c26593f4d3eb024cd8fa050_icedid.exe	86

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	2024-12-12_2f6ff8ef5c26593f4d3eb024cd8fa050_icedid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 208	3668	2024-12-12_2f6ff8ef5c26593f4d3eb024cd8fa050_icedid.exe	86
PID 3668 wrote to memory of 208	3668	2024-12-12_2f6ff8ef5c26593f4d3eb024cd8fa050_icedid.exe	86
PID 3668 wrote to memory of 208	3668	2024-12-12_2f6ff8ef5c26593f4d3eb024cd8fa050_icedid.exe	86
PID 3668 wrote to memory of 208	3668	2024-12-12_2f6ff8ef5c26593f4d3eb024cd8fa050_icedid.exe	86
PID 3668 wrote to memory of 208	3668	2024-12-12_2f6ff8ef5c26593f4d3eb024cd8fa050_icedid.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-12-12_2f6ff8ef5c26593f4d3eb024cd8fa050_icedid.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-12_2f6ff8ef5c26593f4d3eb024cd8fa050_icedid.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3668
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/208-2-0x00000000010B0000-0x00000000010C2000-memory.dmp

Filesize
72KB

Download
memory/208-3-0x0000000073E2E000-0x0000000073E2F000-memory.dmp

Filesize
4KB

Download
memory/208-4-0x0000000073E20000-0x00000000745D0000-memory.dmp

Filesize
7.7MB

Download
memory/208-5-0x0000000073E2E000-0x0000000073E2F000-memory.dmp

Filesize
4KB

Download
memory/208-6-0x0000000073E20000-0x00000000745D0000-memory.dmp

Filesize
7.7MB

Download
memory/3668-0-0x00000000004D3000-0x00000000004D7000-memory.dmp

Filesize
16KB

Download
memory/3668-1-0x0000000000400000-0x000000000060B000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads