asyncrat | de59ea3decf005ecbdc8a66a600c1cfac0b8ac28fc0edb1560944479e68b51f1

Analysis

max time kernel
141s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-08-2024 14:39

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General

Target

Infected.exe
Size

63KB
MD5

c524f09a17785ebfbdd10af0a319aadd
SHA1

d8b567451d2342b0f331065c2ddd24488ba035de
SHA256

de59ea3decf005ecbdc8a66a600c1cfac0b8ac28fc0edb1560944479e68b51f1
SHA512

fd98417aa3ff002cf473a73a95b136ef4552735deeb7765a8b7e068a49141b7a94f1e76460183230c4e56860078a59044485170c14624f0eff5d033438a1d645
SSDEEP

768:Qv0M2UM/978aQC8A+XjlazcBRL5JTk1+T4KSBGHmDbD/ph0oXqVZQ7Su0dpqKYhg:b1/k/dSJYUbdh9qL1u0dpqKmY7

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

contract-releases.gl.at.ply.gg:51273

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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4440	timeout.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4528	Infected.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 3620	4528	Infected.exe	114
PID 4528 wrote to memory of 3620	4528	Infected.exe	114
PID 3620 wrote to memory of 4440	3620	cmd.exe	116
PID 3620 wrote to memory of 4440	3620	cmd.exe	116

C:\Users\Admin\AppData\Local\Temp\Infected.exe
"C:\Users\Admin\AppData\Local\Temp\Infected.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF18A.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3620
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4440

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=4104,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4124 /prefetch:8
1⤵
PID:3472

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF18A.tmp.bat

Filesize
160B

MD5
9c3775a470173fcc9cadb7476f2fec38

SHA1
da926ecee4afffdb2227a2e84dea6dcdcdb2422b

SHA256
2a64bb5bbc34fde6f0a64603abcb58122bfa2f5100d259e8bc8cebab2e0749b3

SHA512
dad79bd77a3f8b14b53f146e84f787889290c15eefa185f80323cc907f992fe2e462101a251eb84018a10a2d82ed10179106b92c74f5ad73fa4caed258f02437

Download Submit
memory/4528-8-0x000000001C0D0000-0x000000001C0EE000-memory.dmp

Filesize
120KB

Download
memory/4528-2-0x00007FFEA0390000-0x00007FFEA0E51000-memory.dmp

Filesize
10.8MB

Download
memory/4528-3-0x00007FFEA0390000-0x00007FFEA0E51000-memory.dmp

Filesize
10.8MB

Download
memory/4528-6-0x000000001C100000-0x000000001C176000-memory.dmp

Filesize
472KB

Download
memory/4528-7-0x000000001C080000-0x000000001C0B4000-memory.dmp

Filesize
208KB

Download
memory/4528-1-0x00007FFEA0393000-0x00007FFEA0395000-memory.dmp

Filesize
8KB

Download
memory/4528-9-0x00007FFEA0393000-0x00007FFEA0395000-memory.dmp

Filesize
8KB

Download
memory/4528-10-0x00007FFEA0390000-0x00007FFEA0E51000-memory.dmp

Filesize
10.8MB

Download
memory/4528-11-0x00007FFEA0390000-0x00007FFEA0E51000-memory.dmp

Filesize
10.8MB

Download
memory/4528-12-0x000000001BD80000-0x000000001BDA4000-memory.dmp

Filesize
144KB

Download
memory/4528-13-0x000000001BF80000-0x000000001C032000-memory.dmp

Filesize
712KB

Download
memory/4528-0-0x0000000000380000-0x0000000000396000-memory.dmp

Filesize
88KB

Download
memory/4528-18-0x00007FFEA0390000-0x00007FFEA0E51000-memory.dmp

Filesize
10.8MB

Download