asyncrat | 2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b

Analysis

max time kernel
138s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/02/2024, 05:21

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General

Target

2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe
Size

140KB
MD5

a4ddde2d6e9370b5cc5572f97eb2071d
SHA1

ee88603b9e64f3af4de73a3a5f6f2676a84dafd8
SHA256

2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b
SHA512

5174a7bbe499db1e0a2ba944d11e6c70c308265962376a0577f1816f9b88afe185b55fa3a649e722ad753c05d4ccd0a26c3d0dc0a9142a57e5ae850d7912b247
SSDEEP

3072:FiGpa7x6bEGuXYEzNfRWtA2zvigEyapFS/b6JQ9LaeMR:FiKa7kbwoEZqji9i/6QnQ

Score

10^/10

asyncrat asegurar-casa rat

Malware Config

Extracted

Family

asyncrat

Version

| nelsontriana980

Botnet

Asegurar-Casa

subdominiodesub.duckdns.org:1111

Mutex

AsyncMutex_GNhcP0aLwKV1

Attributes

delay
3
install
false
install_file
WD.exe
install_folder
%AppData%

aes.plain

Signatures

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

Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 5 IoCs

resource	yara_rule
behavioral1/memory/2792-5-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2792-6-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2792-8-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2792-10-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/2792-12-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs

Detects executables packed with SmartAssembly 1 IoCs

resource	yara_rule
behavioral1/memory/2828-0-0x0000000001000000-0x0000000001028000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Detects file containing reversed ASEP Autorun registry keys 5 IoCs

resource	yara_rule
behavioral1/memory/2792-5-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
behavioral1/memory/2792-6-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
behavioral1/memory/2792-8-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
behavioral1/memory/2792-10-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
behavioral1/memory/2792-12-0x0000000000400000-0x0000000000416000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2828 set thread context of 2792	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	28

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2560	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2792	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2792	AppLaunch.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2792	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	28
PID 2828 wrote to memory of 2792	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	28
PID 2828 wrote to memory of 2792	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	28
PID 2828 wrote to memory of 2792	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	28
PID 2828 wrote to memory of 2792	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	28
PID 2828 wrote to memory of 2792	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	28
PID 2828 wrote to memory of 2792	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	28
PID 2828 wrote to memory of 2792	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	28
PID 2828 wrote to memory of 2792	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	28
PID 2828 wrote to memory of 2792	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	28
PID 2828 wrote to memory of 2792	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	28
PID 2828 wrote to memory of 2792	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	28
PID 2828 wrote to memory of 2556	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	29
PID 2828 wrote to memory of 2556	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	29
PID 2828 wrote to memory of 2556	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	29
PID 2828 wrote to memory of 2556	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	29
PID 2828 wrote to memory of 2632	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	31
PID 2828 wrote to memory of 2632	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	31
PID 2828 wrote to memory of 2632	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	31
PID 2828 wrote to memory of 2632	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	31
PID 2632 wrote to memory of 2560	2632	cmd.exe	33
PID 2632 wrote to memory of 2560	2632	cmd.exe	33
PID 2632 wrote to memory of 2560	2632	cmd.exe	33
PID 2632 wrote to memory of 2560	2632	cmd.exe	33
PID 2828 wrote to memory of 2532	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	34
PID 2828 wrote to memory of 2532	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	34
PID 2828 wrote to memory of 2532	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	34
PID 2828 wrote to memory of 2532	2828	2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe	34

C:\Users\Admin\AppData\Local\Temp\2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe
"C:\Users\Admin\AppData\Local\Temp\2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2792
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\AppDATE"
  2⤵
  PID:2556
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\AppDATE\AppDATE.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2632
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 10 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\AppDATE\AppDATE.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:2560
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\2af994c5d5625be98c89248dca5bce26a40debf6b3c7b3b775a5ae916427a18b.exe" "C:\Users\Admin\AppData\Roaming\AppDATE\AppDATE.exe"
  2⤵
  PID:2532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2792-8-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2792-10-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2792-19-0x0000000004990000-0x00000000049D0000-memory.dmp

Filesize
256KB

Download
memory/2792-3-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2792-4-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2792-5-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2792-18-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2792-6-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2792-17-0x0000000004990000-0x00000000049D0000-memory.dmp

Filesize
256KB

Download
memory/2792-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-12-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2792-13-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-16-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-0-0x0000000001000000-0x0000000001028000-memory.dmp

Filesize
160KB

Download
memory/2828-1-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-2-0x0000000000CE0000-0x0000000000D20000-memory.dmp

Filesize
256KB

Download