asyncrat | 817310b0404cb8213fe6ca4c0d5ab28c0a8a9714a2c6440f55b3b5240a66b41a

Analysis

max time kernel
77s
max time network
147s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
09-06-2023 08:17

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General

Target

IgXNkefSCwhtVCR.exe
Size

627KB
MD5

c7b595da0280818998af6a5eaabeb6ed
SHA1

97e0e2c7be4b44d058c4e40e75ff59582917a8e7
SHA256

63b2add18bbd481c278a85e74c496918a12ea951301951134956e0b4449ebf39
SHA512

01913066f42efc8dbe369239b260802a3280da9045ffd59a298acb9cb6bd9e877d9072c12cef8bee36b53ed1ed1715b4268c0cfa325aacdf5d351fb14c6eb3d2
SSDEEP

12288:8Gmp0lWxMzIHREJVk/bq4izoW/m7/ePmr9eRf5ORReTed59dTqGiyxA+kqIt:dmilWxMiQW/O4ue7/ePNRROiyd+mO+k

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 7 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/564-63-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/564-64-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/564-66-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/564-68-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/564-70-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/564-71-0x0000000004DD0000-0x0000000004E10000-memory.dmp	asyncrat
behavioral1/memory/564-86-0x0000000004DD0000-0x0000000004E10000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

IgXNkefSCwhtVCR.exe

description pid process target process

PID 916 set thread context of 564 916 IgXNkefSCwhtVCR.exe IgXNkefSCwhtVCR.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

IgXNkefSCwhtVCR.exe

description pid process

Token: SeDebugPrivilege 564 IgXNkefSCwhtVCR.exe

description	pid	process	target process
PID 916 set thread context of 564	916	IgXNkefSCwhtVCR.exe	IgXNkefSCwhtVCR.exe

description	pid	process
Token: SeDebugPrivilege	564	IgXNkefSCwhtVCR.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

IgXNkefSCwhtVCR.exe

description	pid	process	target process
PID 916 wrote to memory of 564	916	IgXNkefSCwhtVCR.exe	IgXNkefSCwhtVCR.exe
PID 916 wrote to memory of 564	916	IgXNkefSCwhtVCR.exe	IgXNkefSCwhtVCR.exe
PID 916 wrote to memory of 564	916	IgXNkefSCwhtVCR.exe	IgXNkefSCwhtVCR.exe
PID 916 wrote to memory of 564	916	IgXNkefSCwhtVCR.exe	IgXNkefSCwhtVCR.exe
PID 916 wrote to memory of 564	916	IgXNkefSCwhtVCR.exe	IgXNkefSCwhtVCR.exe
PID 916 wrote to memory of 564	916	IgXNkefSCwhtVCR.exe	IgXNkefSCwhtVCR.exe
PID 916 wrote to memory of 564	916	IgXNkefSCwhtVCR.exe	IgXNkefSCwhtVCR.exe
PID 916 wrote to memory of 564	916	IgXNkefSCwhtVCR.exe	IgXNkefSCwhtVCR.exe
PID 916 wrote to memory of 564	916	IgXNkefSCwhtVCR.exe	IgXNkefSCwhtVCR.exe

C:\Users\Admin\AppData\Local\Temp\IgXNkefSCwhtVCR.exe
"C:\Users\Admin\AppData\Local\Temp\IgXNkefSCwhtVCR.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:916

C:\Users\Admin\AppData\Local\Temp\IgXNkefSCwhtVCR.exe
"C:\Users\Admin\AppData\Local\Temp\IgXNkefSCwhtVCR.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:564

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/564-66-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/564-61-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/564-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/564-86-0x0000000004DD0000-0x0000000004E10000-memory.dmp

Filesize
256KB

Download
memory/564-63-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/564-71-0x0000000004DD0000-0x0000000004E10000-memory.dmp

Filesize
256KB

Download
memory/564-70-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/564-64-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/564-68-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/564-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/916-59-0x0000000000C90000-0x0000000000CDE000-memory.dmp

Filesize
312KB

Download
memory/916-58-0x0000000000410000-0x000000000041C000-memory.dmp

Filesize
48KB

Download
memory/916-54-0x0000000000F40000-0x0000000000FE4000-memory.dmp

Filesize
656KB

Download
memory/916-56-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/916-60-0x00000000009B0000-0x00000000009C4000-memory.dmp

Filesize
80KB

Download
memory/916-55-0x0000000004950000-0x0000000004990000-memory.dmp

Filesize
256KB

Download
memory/916-57-0x0000000004950000-0x0000000004990000-memory.dmp

Filesize
256KB

Download