asyncrat | 95cd926aeb70bdf2788e5785ec0fb7835ab4b2625fe61999f49a19ac67a90527

Analysis

max time kernel
81s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
08-06-2023 01:24

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General

Target

gpiQaD7JJyHJILw.exe
Size

629KB
MD5

9ffc9a9e7bbfa15fa3fb73631d4ed9ef
SHA1

247c625f835a1e8a98fe40dbfbc72546d45cb205
SHA256

70eaca68c13178818bb56a31bfc2ce4395a14e198a78cc1caf991480e19ea939
SHA512

0fb6ca18528f7478e48d37c4a538764a046380495b9d8218b3f44a792f074f8139df41194a7f7653ab87cef70f910854f14618d187ce237fc936b716eae391a7
SSDEEP

12288:HKZ2B0xTGlxNqvNu2hZ+nUEsn96fTxkeRAPP1Xe2hIM/h6Nw/YPBwANFHcsy:HiLaVUH9990TxLK8M/8K4hN5jy

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

95.214.27.44:6606

95.214.27.44:7707

95.214.27.44:8808

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

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/540-140-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

gpiQaD7JJyHJILw.exe

description pid process target process

PID 5000 set thread context of 540 5000 gpiQaD7JJyHJILw.exe gpiQaD7JJyHJILw.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

gpiQaD7JJyHJILw.exe

pid process

5000 gpiQaD7JJyHJILw.exe
5000 gpiQaD7JJyHJILw.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

gpiQaD7JJyHJILw.exegpiQaD7JJyHJILw.exe

description pid process

Token: SeDebugPrivilege 5000 gpiQaD7JJyHJILw.exe
Token: SeDebugPrivilege 540 gpiQaD7JJyHJILw.exe

description	pid	process	target process
PID 5000 set thread context of 540	5000	gpiQaD7JJyHJILw.exe	gpiQaD7JJyHJILw.exe

pid	process
5000	gpiQaD7JJyHJILw.exe
5000	gpiQaD7JJyHJILw.exe

description	pid	process
Token: SeDebugPrivilege	5000	gpiQaD7JJyHJILw.exe
Token: SeDebugPrivilege	540	gpiQaD7JJyHJILw.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

gpiQaD7JJyHJILw.exe

description	pid	process	target process
PID 5000 wrote to memory of 4496	5000	gpiQaD7JJyHJILw.exe	gpiQaD7JJyHJILw.exe
PID 5000 wrote to memory of 4496	5000	gpiQaD7JJyHJILw.exe	gpiQaD7JJyHJILw.exe
PID 5000 wrote to memory of 4496	5000	gpiQaD7JJyHJILw.exe	gpiQaD7JJyHJILw.exe
PID 5000 wrote to memory of 540	5000	gpiQaD7JJyHJILw.exe	gpiQaD7JJyHJILw.exe
PID 5000 wrote to memory of 540	5000	gpiQaD7JJyHJILw.exe	gpiQaD7JJyHJILw.exe
PID 5000 wrote to memory of 540	5000	gpiQaD7JJyHJILw.exe	gpiQaD7JJyHJILw.exe
PID 5000 wrote to memory of 540	5000	gpiQaD7JJyHJILw.exe	gpiQaD7JJyHJILw.exe
PID 5000 wrote to memory of 540	5000	gpiQaD7JJyHJILw.exe	gpiQaD7JJyHJILw.exe
PID 5000 wrote to memory of 540	5000	gpiQaD7JJyHJILw.exe	gpiQaD7JJyHJILw.exe
PID 5000 wrote to memory of 540	5000	gpiQaD7JJyHJILw.exe	gpiQaD7JJyHJILw.exe
PID 5000 wrote to memory of 540	5000	gpiQaD7JJyHJILw.exe	gpiQaD7JJyHJILw.exe

C:\Users\Admin\AppData\Local\Temp\gpiQaD7JJyHJILw.exe
"C:\Users\Admin\AppData\Local\Temp\gpiQaD7JJyHJILw.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5000

C:\Users\Admin\AppData\Local\Temp\gpiQaD7JJyHJILw.exe
"C:\Users\Admin\AppData\Local\Temp\gpiQaD7JJyHJILw.exe"
2⤵
PID:4496

C:\Users\Admin\AppData\Local\Temp\gpiQaD7JJyHJILw.exe
"C:\Users\Admin\AppData\Local\Temp\gpiQaD7JJyHJILw.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:540

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\gpiQaD7JJyHJILw.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/540-140-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/540-143-0x0000000005180000-0x0000000005190000-memory.dmp

Filesize
64KB

Download
memory/540-144-0x0000000005810000-0x0000000005876000-memory.dmp

Filesize
408KB

Download
memory/540-145-0x0000000005180000-0x0000000005190000-memory.dmp

Filesize
64KB

Download
memory/5000-133-0x0000000000540000-0x00000000005E4000-memory.dmp

Filesize
656KB

Download
memory/5000-134-0x0000000005680000-0x0000000005C24000-memory.dmp

Filesize
5.6MB

Download
memory/5000-135-0x0000000004FB0000-0x0000000005042000-memory.dmp

Filesize
584KB

Download
memory/5000-136-0x0000000005220000-0x0000000005230000-memory.dmp

Filesize
64KB

Download
memory/5000-137-0x0000000004FA0000-0x0000000004FAA000-memory.dmp

Filesize
40KB

Download
memory/5000-138-0x00000000052D0000-0x000000000536C000-memory.dmp

Filesize
624KB

Download
memory/5000-139-0x0000000005220000-0x0000000005230000-memory.dmp

Filesize
64KB

Download