asyncrat | 3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3540-135-0x0000000000000000-mapping.dmp	asyncrat
behavioral2/memory/3540-136-0x0000000000400000-0x000000000043A000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe

description	pid	process	target process
PID 4532 set thread context of 3540	4532	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe

description pid process

Token: SeDebugPrivilege 4532 3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe

description	pid	process
Token: SeDebugPrivilege	4532	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe

description	pid	process	target process
PID 4532 wrote to memory of 3540	4532	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
PID 4532 wrote to memory of 3540	4532	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
PID 4532 wrote to memory of 3540	4532	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
PID 4532 wrote to memory of 3540	4532	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
PID 4532 wrote to memory of 3540	4532	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
PID 4532 wrote to memory of 3540	4532	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
PID 4532 wrote to memory of 3540	4532	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe	3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
PID 4532 wrote to memory of 3540	4532	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:4532

C:\Users\Admin\AppData\Local\Temp\3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
C:\Users\Admin\AppData\Local\Temp\3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe
2⤵
PID:3540

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3361a4d78f11dfd72f3dd2c1ab1609ad138f3bf03d9f6f115581c998df675afc.exe.log
Filesize
617B

MD5
99e770c0d4043aa84ef3d3cbc7723c25

SHA1
19829c5c413fccba750a3357f938dfa94486acad

SHA256
33c7dd4c852dae6462c701337f8e0a8647602847ccaee656fa6f1149cccfb5d5

SHA512
ba521e2f57d7e1db19445201948caa7af6d953e1c1340228934888f8ec05b8984ad492122d0bf0550b5e679614d8a713ecf68f91916ffa6e5d8f75bf003aae39

Download Submit
memory/3540-135-0x0000000000000000-mapping.dmp

Download
memory/3540-136-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4532-132-0x0000000000A40000-0x0000000000A94000-memory.dmp

Filesize
336KB

Download
memory/4532-133-0x0000000005750000-0x00000000057EC000-memory.dmp

Filesize
624KB

Download
memory/4532-134-0x0000000007250000-0x00000000077F4000-memory.dmp

Filesize
5.6MB

Download