asyncrat | 0a2ed20b002c7738de9b99d5c47d51d473109f0b83a404675559acd9a74f2d0b

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-08-2024 00:48

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General

Target

2024-08-16_8011acea0e5030f608593fb802e517db_avoslocker_hijackloader_rhadamanthys.exe
Size

3.2MB
MD5

8011acea0e5030f608593fb802e517db
SHA1

8c1c5aa5194d74f8cc1424a25512f45ee8404725
SHA256

0a2ed20b002c7738de9b99d5c47d51d473109f0b83a404675559acd9a74f2d0b
SHA512

dae41758d3329adbcf3ef9788dd84c2bba1b6535da99933f21c9fcf68cad276f0481466f87810614c3b9493b4007a52a748fc2382e1e8629f79bcd4b75c490f7
SSDEEP

49152:kXeNOuzHeGGUCwhkfofCfokLi/sazR0BSCpmoLBin9VO3Q59HU1f:kXtwhkfo6gkLixR0BSChiO3wlof

Score

10^/10

asyncrat agosto discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

AGOSTO

windowsconection.duckdns.org:3030

Mutex

SMN4GzHZREaPq56YwtzqnQ

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

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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CortexEdr = "C:\\Users\\Admin\\Pictures\\Cortex\\CortexWorkspace.exe"	2024-08-16_8011acea0e5030f608593fb802e517db_avoslocker_hijackloader_rhadamanthys.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 964 set thread context of 4948	964	2024-08-16_8011acea0e5030f608593fb802e517db_avoslocker_hijackloader_rhadamanthys.exe	100

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	2024-08-16_8011acea0e5030f608593fb802e517db_avoslocker_hijackloader_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 4948	964	2024-08-16_8011acea0e5030f608593fb802e517db_avoslocker_hijackloader_rhadamanthys.exe	100
PID 964 wrote to memory of 4948	964	2024-08-16_8011acea0e5030f608593fb802e517db_avoslocker_hijackloader_rhadamanthys.exe	100
PID 964 wrote to memory of 4948	964	2024-08-16_8011acea0e5030f608593fb802e517db_avoslocker_hijackloader_rhadamanthys.exe	100
PID 964 wrote to memory of 4948	964	2024-08-16_8011acea0e5030f608593fb802e517db_avoslocker_hijackloader_rhadamanthys.exe	100
PID 964 wrote to memory of 4948	964	2024-08-16_8011acea0e5030f608593fb802e517db_avoslocker_hijackloader_rhadamanthys.exe	100

C:\Users\Admin\AppData\Local\Temp\2024-08-16_8011acea0e5030f608593fb802e517db_avoslocker_hijackloader_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-16_8011acea0e5030f608593fb802e517db_avoslocker_hijackloader_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:964
- 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:4948

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4404,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=1284 /prefetch:8
1⤵
PID:2340

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/964-1-0x0000000000407000-0x0000000000421000-memory.dmp

Filesize
104KB

Download
memory/964-0-0x0000000000400000-0x0000000000738000-memory.dmp

Filesize
3.2MB

Download
memory/964-3-0x0000000000400000-0x0000000000738000-memory.dmp

Filesize
3.2MB

Download
memory/964-2-0x0000000000400000-0x0000000000738000-memory.dmp

Filesize
3.2MB

Download
memory/964-5-0x0000000000400000-0x0000000000738000-memory.dmp

Filesize
3.2MB

Download
memory/964-8-0x0000000000407000-0x0000000000421000-memory.dmp

Filesize
104KB

Download
memory/4948-4-0x0000000000940000-0x0000000000952000-memory.dmp

Filesize
72KB

Download
memory/4948-6-0x00000000747EE000-0x00000000747EF000-memory.dmp

Filesize
4KB

Download
memory/4948-7-0x00000000747E0000-0x0000000074F90000-memory.dmp

Filesize
7.7MB

Download
memory/4948-9-0x00000000747E0000-0x0000000074F90000-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