asyncrat | b025ba88fa61a2bbbe5cb4c60ae4a62ece691f1a815e935dfd7f3380d4ee83bf

Analysis

max time kernel
147s
max time network
176s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 16:46

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General

Target

3382-Se Emite Sentencia Tutela Rad. 2024-00933.exe
Size

1.1MB
MD5

4e7fda9cd23c67acfe518b282af1e4f0
SHA1

f85a4fa68517afd320b27c71de50504e14bde665
SHA256

dfb08f2c1fe6c64fbc795e82fd67ab8f691de0b26e4e18f53aa200bcdbdb93de
SHA512

c74aedbc70311043196f54e39b44a370dfa0cbf4fb4eba480b9ea7afd753f7769bbbd0e16b0679336435370c961b743a1de665937d351f34c88eed369d3c875b
SSDEEP

24576:YaZwmO1/zNeHASYzwkvKeKXLH1wQ2C3ygq2mk6tyP:umO1/zcAS0fv02gqWP

Score

10^/10

asyncrat bb discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

noviembre07.ydns.eu:2525

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ExplrerEnglishLanguage = "C:\\Users\\Admin\\Pictures\\EnglishExplorer\\Bin\\ExplorerEnglish.exe"	3382-Se Emite Sentencia Tutela Rad. 2024-00933.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3088 set thread context of 2600	3088	3382-Se Emite Sentencia Tutela Rad. 2024-00933.exe	93

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	3382-Se Emite Sentencia Tutela Rad. 2024-00933.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2600	csc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3088 wrote to memory of 2600	3088	3382-Se Emite Sentencia Tutela Rad. 2024-00933.exe	93
PID 3088 wrote to memory of 2600	3088	3382-Se Emite Sentencia Tutela Rad. 2024-00933.exe	93
PID 3088 wrote to memory of 2600	3088	3382-Se Emite Sentencia Tutela Rad. 2024-00933.exe	93
PID 3088 wrote to memory of 2600	3088	3382-Se Emite Sentencia Tutela Rad. 2024-00933.exe	93
PID 3088 wrote to memory of 2600	3088	3382-Se Emite Sentencia Tutela Rad. 2024-00933.exe	93

C:\Users\Admin\AppData\Local\Temp\3382-Se Emite Sentencia Tutela Rad. 2024-00933.exe
"C:\Users\Admin\AppData\Local\Temp\3382-Se Emite Sentencia Tutela Rad. 2024-00933.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3088
- 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
  - Suspicious use of AdjustPrivilegeToken
  PID:2600

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/2600-13-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/2600-23-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/2600-22-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/2600-21-0x000000007462E000-0x000000007462F000-memory.dmp

Filesize
4KB

Download
memory/2600-19-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/2600-18-0x00000000063D0000-0x0000000006436000-memory.dmp

Filesize
408KB

Download
memory/2600-8-0x0000000001460000-0x0000000001472000-memory.dmp

Filesize
72KB

Download
memory/2600-17-0x0000000006980000-0x0000000006F24000-memory.dmp

Filesize
5.6MB

Download
memory/2600-16-0x0000000006330000-0x00000000063CC000-memory.dmp

Filesize
624KB

Download
memory/2600-12-0x000000007462E000-0x000000007462F000-memory.dmp

Filesize
4KB

Download
memory/3088-4-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download
memory/3088-11-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download
memory/3088-9-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download
memory/3088-2-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download
memory/3088-1-0x0000000000436000-0x000000000044F000-memory.dmp

Filesize
100KB

Download
memory/3088-20-0x0000000000436000-0x000000000044F000-memory.dmp

Filesize
100KB

Download
memory/3088-6-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download
memory/3088-7-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download
memory/3088-0-0x0000000000400000-0x0000000000521000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads