asyncrat | 09ebb4e8012fc7c511d4d8340b2d14068022997b7874469ca02f54927e4a68b3

Analysis

max time kernel
92s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
07/07/2024, 07:53

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General

Target

ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe
Size

967KB
MD5

741b1d025e93ffe086ca98a412570aff
SHA1

3d1a77d8b00774a6510c2904e575b850d87058ff
SHA256

ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e
SHA512

f2113ff352a0408c8c2349a0ed05b6beec0a6147f9cdd76d8f4415f93312403c6b0523eb3d73ef5dfbd0c63eb012615e69f9d29c0cc13907302019743ea8e754
SSDEEP

24576:iAHnh+eWsN3skA4RV1Hom2KXMmHaI1yh2LJJFr5:lh+ZkldoPK8Ya6U2tJX

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

81.19.137.226:2024

Mutex

xhrwqsbSIamY

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1904 set thread context of 2172	1904	ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2412	1904	WerFault.exe	81

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1904	ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	RegSvcs.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1904	ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe
1904	ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe
1904	ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1904	ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe
1904	ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe
1904	ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 2172	1904	ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe	85
PID 1904 wrote to memory of 2172	1904	ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe	85
PID 1904 wrote to memory of 2172	1904	ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe	85
PID 1904 wrote to memory of 2172	1904	ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe	85

C:\Users\Admin\AppData\Local\Temp\ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe
"C:\Users\Admin\AppData\Local\Temp\ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1904
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\ee102b55c09369646fe247cc2b90687e10fbfd0406750257c5abcd7214f0677e.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2172
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 704
  2⤵
  - Program crash
  PID:2412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1904 -ip 1904
1⤵
PID:2784

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1904-10-0x0000000003FE0000-0x0000000003FE4000-memory.dmp

Filesize
16KB

Download
memory/2172-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2172-12-0x0000000073D7E000-0x0000000073D7F000-memory.dmp

Filesize
4KB

Download
memory/2172-13-0x0000000073D70000-0x0000000074520000-memory.dmp

Filesize
7.7MB

Download
memory/2172-14-0x00000000051B0000-0x000000000524C000-memory.dmp

Filesize
624KB

Download
memory/2172-15-0x0000000005800000-0x0000000005DA4000-memory.dmp

Filesize
5.6MB

Download
memory/2172-16-0x00000000052C0000-0x0000000005326000-memory.dmp

Filesize
408KB

Download
memory/2172-17-0x0000000073D7E000-0x0000000073D7F000-memory.dmp

Filesize
4KB

Download
memory/2172-18-0x0000000073D70000-0x0000000074520000-memory.dmp

Filesize
7.7MB

Download