asyncrat | 7100af497cdd8e133de63917b8d9ecffadb241e7f681c8cdae02bffbf269f2ba

Analysis

max time kernel
150s
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
16-12-2024 21:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7100af497cdd8e133de63917b8d9ecffadb241e7f681c8cdae02bffbf269f2ba.exe
Size

8.7MB
MD5

691c4944273ebdee88b7819b033b9dab
SHA1

e1b12c305c442ef82ebbeea652fc25bc819b1c15
SHA256

7100af497cdd8e133de63917b8d9ecffadb241e7f681c8cdae02bffbf269f2ba
SHA512

dc532cab6157f652ae6d0c8179f034a7306d88aa374078c461abff1156cacce8e50595d426ef577872ea463cd87558403e24d027e718e88e4fd869a4ce2746ec
SSDEEP

98304:oRNjkDuX7yiWmcTYuVEWilcuiKS6m4goQ1K5O/i37fkQOsjj3FVz6JT4hQ5jFLp2:oRNoD1iET3mO/irpv1tvC5LpVO8g

Score

10^/10

asyncrat dicembrinos-12 discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Dicembrinos-12

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\EraserHardSdk = "C:\\Users\\Admin\\Favorites\\EraserHard\\sdk\\EraserHardSdk.exe"	7100af497cdd8e133de63917b8d9ecffadb241e7f681c8cdae02bffbf269f2ba.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4004 set thread context of 2428	4004	7100af497cdd8e133de63917b8d9ecffadb241e7f681c8cdae02bffbf269f2ba.exe	89

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	7100af497cdd8e133de63917b8d9ecffadb241e7f681c8cdae02bffbf269f2ba.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 2428	4004	7100af497cdd8e133de63917b8d9ecffadb241e7f681c8cdae02bffbf269f2ba.exe	89
PID 4004 wrote to memory of 2428	4004	7100af497cdd8e133de63917b8d9ecffadb241e7f681c8cdae02bffbf269f2ba.exe	89
PID 4004 wrote to memory of 2428	4004	7100af497cdd8e133de63917b8d9ecffadb241e7f681c8cdae02bffbf269f2ba.exe	89
PID 4004 wrote to memory of 2428	4004	7100af497cdd8e133de63917b8d9ecffadb241e7f681c8cdae02bffbf269f2ba.exe	89
PID 4004 wrote to memory of 2428	4004	7100af497cdd8e133de63917b8d9ecffadb241e7f681c8cdae02bffbf269f2ba.exe	89

C:\Users\Admin\AppData\Local\Temp\7100af497cdd8e133de63917b8d9ecffadb241e7f681c8cdae02bffbf269f2ba.exe
"C:\Users\Admin\AppData\Local\Temp\7100af497cdd8e133de63917b8d9ecffadb241e7f681c8cdae02bffbf269f2ba.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4004
- 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:2428

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2428-2-0x0000000001440000-0x0000000001452000-memory.dmp

Filesize
72KB

Download
memory/2428-3-0x0000000073B0E000-0x0000000073B0F000-memory.dmp

Filesize
4KB

Download
memory/2428-4-0x0000000073B00000-0x00000000742B0000-memory.dmp

Filesize
7.7MB

Download
memory/2428-6-0x0000000073B00000-0x00000000742B0000-memory.dmp

Filesize
7.7MB

Download
memory/4004-0-0x0000000000AAE000-0x0000000000AB1000-memory.dmp

Filesize
12KB

Download
memory/4004-1-0x0000000000400000-0x0000000000D0A000-memory.dmp

Filesize
9.0MB

Download
memory/4004-5-0x0000000000400000-0x0000000000D0A000-memory.dmp

Filesize
9.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads