asyncrat | c9866af2cb943cbe5f4d971518d30ec93e686e8d8e31345fe0e923c0ec121603

Analysis

max time kernel
125s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
10-07-2024 04:32

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General

Target

FALLOTUTEDOC20240528001.bin.exe
Size

2.6MB
MD5

dd007b6a486b6336cea0c9c2dfd307ca
SHA1

f9d1987deb32ae3b244ba8b281d3c75ea149979d
SHA256

c9866af2cb943cbe5f4d971518d30ec93e686e8d8e31345fe0e923c0ec121603
SHA512

210e997ec4e5b8c64539b19052e694fea48415f1100d0f1d2dae418f5a6e7ec032f9e328dbb7af6b299614b402b9ebc6720a256a3c058b177a830b78783a7dd4
SSDEEP

49152:CHV9arGDFfPHRi63T+reNM7I2BnJGQ2sqmsSql2ESrB6jPF:CHkGNPxT6r08p32m9G7SmF

Score

10^/10

asyncrat zzz6 persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

ZZZ6

andresarbosa2003.con-ip.com:4040

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat 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-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Neouopdwf = "C:\\Users\\Admin\\AppData\\Roaming\\Neouopdwf.exe"	FALLOTUTEDOC20240528001.bin.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4516 set thread context of 3340	4516	FALLOTUTEDOC20240528001.bin.exe	85

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4516	FALLOTUTEDOC20240528001.bin.exe
Token: SeDebugPrivilege	4516	FALLOTUTEDOC20240528001.bin.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4516 wrote to memory of 3340	4516	FALLOTUTEDOC20240528001.bin.exe	85
PID 4516 wrote to memory of 3340	4516	FALLOTUTEDOC20240528001.bin.exe	85
PID 4516 wrote to memory of 3340	4516	FALLOTUTEDOC20240528001.bin.exe	85
PID 4516 wrote to memory of 3340	4516	FALLOTUTEDOC20240528001.bin.exe	85
PID 4516 wrote to memory of 3340	4516	FALLOTUTEDOC20240528001.bin.exe	85
PID 4516 wrote to memory of 3340	4516	FALLOTUTEDOC20240528001.bin.exe	85
PID 4516 wrote to memory of 3340	4516	FALLOTUTEDOC20240528001.bin.exe	85
PID 4516 wrote to memory of 3340	4516	FALLOTUTEDOC20240528001.bin.exe	85

C:\Users\Admin\AppData\Local\Temp\FALLOTUTEDOC20240528001.bin.exe
"C:\Users\Admin\AppData\Local\Temp\FALLOTUTEDOC20240528001.bin.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4516
- C:\Users\Admin\AppData\Local\Temp\FALLOTUTEDOC20240528001.bin.exe
  "C:\Users\Admin\AppData\Local\Temp\FALLOTUTEDOC20240528001.bin.exe"
  2⤵
  PID:3340

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\FALLOTUTEDOC20240528001.bin.exe.log

Filesize
805B

MD5
58a9108e39c2ea50e65c23be3a9407cf

SHA1
fb21f7b9330aa1a77080a3243b81b49035102d7b

SHA256
6049be83020702896a539b5c8c13270add224d7b91b3ee0bebc328791b74a84b

SHA512
93804ee8a4560503e47c07f5fa4a959e23355a01aba406c103d339debc9b2b1d20a345cdbb8d8069dac97b9151f228cf559ac3dde1500e3484fba1a4126842bf

Download Submit
memory/3340-4902-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3340-4903-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/3340-4905-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/3340-4906-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4516-49-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-4897-0x0000000001360000-0x00000000013B4000-memory.dmp

Filesize
336KB

Download
memory/4516-2-0x0000000005A20000-0x0000000005C42000-memory.dmp

Filesize
2.1MB

Download
memory/4516-3-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4516-4-0x0000000006230000-0x00000000067D4000-memory.dmp

Filesize
5.6MB

Download
memory/4516-5-0x0000000005D80000-0x0000000005E12000-memory.dmp

Filesize
584KB

Download
memory/4516-9-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-23-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-25-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-53-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-68-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-69-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-65-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-63-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-57-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-55-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-41-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-59-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-51-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-0-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/4516-47-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-43-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-35-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-1-0x0000000000CC0000-0x0000000000F64000-memory.dmp

Filesize
2.6MB

Download
memory/4516-62-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-33-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-46-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-38-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-31-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-27-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-19-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-17-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-15-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-13-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-29-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-22-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-11-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-7-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-6-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-4892-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4516-4894-0x0000000005F40000-0x0000000005F8C000-memory.dmp

Filesize
304KB

Download
memory/4516-4893-0x0000000005EE0000-0x0000000005F3C000-memory.dmp

Filesize
368KB

Download
memory/4516-4895-0x000000007523E000-0x000000007523F000-memory.dmp

Filesize
4KB

Download
memory/4516-4896-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download
memory/4516-39-0x0000000005A20000-0x0000000005C3C000-memory.dmp

Filesize
2.1MB

Download
memory/4516-4904-0x0000000075230000-0x00000000759E0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads