asyncrat | 3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc

Analysis

max time kernel
145s
max time network
152s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
29-01-2023 21:29

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General

Target

3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
Size

591KB
MD5

fd7056aee361fa422a371b1064b49678
SHA1

40184e1b31c8fe61d68bee6b2e4564f31864b13a
SHA256

3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc
SHA512

be7feaa323e2f971873b98e02830c4b740a0d0f199338ab73f068f5cbb25ad46ab638c04b6e936afe58c71a7b5ae8021e24f0cfeb9dbcfb50b8460b9209d14f7
SSDEEP

12288:4tzGnxqi5NXwVpwUZROtraxJET5EWWPENuutR2TT1+qVbhCu5oFX8VXJzsuw:4slNXwVpQ8c6bwFEXhCu5o98VXJzHw

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

144.202.75.107:6606

144.202.75.107:7707

144.202.75.107:8808

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_file
Makro.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat

Async RAT payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1112-58-0x000000000040C70E-mapping.dmp	asyncrat
behavioral1/memory/1112-57-0x0000000000400000-0x000000000043A000-memory.dmp	asyncrat
behavioral1/memory/1112-60-0x0000000000400000-0x000000000043A000-memory.dmp	asyncrat
behavioral1/memory/1112-62-0x0000000000400000-0x000000000043A000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe

description	pid	process	target process
PID 1584 set thread context of 1112	1584	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe

description pid process

Token: SeDebugPrivilege 1584 3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe

description	pid	process
Token: SeDebugPrivilege	1584	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe

description	pid	process	target process
PID 1584 wrote to memory of 1112	1584	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
PID 1584 wrote to memory of 1112	1584	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
PID 1584 wrote to memory of 1112	1584	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
PID 1584 wrote to memory of 1112	1584	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
PID 1584 wrote to memory of 1112	1584	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
PID 1584 wrote to memory of 1112	1584	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
PID 1584 wrote to memory of 1112	1584	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
PID 1584 wrote to memory of 1112	1584	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
PID 1584 wrote to memory of 1112	1584	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe

C:\Users\Admin\AppData\Local\Temp\3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
"C:\Users\Admin\AppData\Local\Temp\3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1584

C:\Users\Admin\AppData\Local\Temp\3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
C:\Users\Admin\AppData\Local\Temp\3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
2⤵
PID:1112

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1112-58-0x000000000040C70E-mapping.dmp

Download
memory/1112-57-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1112-60-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1112-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1112-63-0x0000000075241000-0x0000000075243000-memory.dmp

Filesize
8KB

Download
memory/1584-54-0x0000000000990000-0x00000000009E4000-memory.dmp

Filesize
336KB

Download
memory/1584-55-0x00000000001F0000-0x00000000001FA000-memory.dmp

Filesize
40KB

Download
memory/1584-56-0x0000000000410000-0x0000000000450000-memory.dmp

Filesize
256KB

Download