asyncrat | fe16fc25e78f89e1041ef0effd697878c483a4a0507b3d5fcb4a830328e5b726

General

Target

PO_Contract_ANR07152112_20210715181907__110.exe
Size

356KB
MD5

25442e649bc504cedd9a5cfb51801c10
SHA1

ff7de7643c31a0392d8eb3f2c95deaad4610cf51
SHA256

c18747e7433fe0aa7dc25dbac1b2788d5c0412ea5bbead7f395dbfe43a727470
SHA512

36e510730374907d9d0dc000ba1ed39bc92f1df52c1b131606eb089c4c98d0159df73d4e651c7e08175a86661bddd21a5a37406aca98c712d8fbe474c6bad510

Score

10^/10

asyncrat default rat suricata

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

185.222.57.71:00783

Mutex

AsyncMutex_6SI8OkPnk

Attributes

anti_vm
false
bsod
false
delay
20
install
false
install_folder
%AppData%
pastebin_config
null

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata

Async RAT payload 5 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/608-63-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/608-65-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/608-64-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/608-66-0x000000000040C70E-mapping.dmp	asyncrat
behavioral1/memory/608-67-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO_Contract_ANR07152112_20210715181907__110.exe

description pid process target process

PID 1772 set thread context of 608 1772 PO_Contract_ANR07152112_20210715181907__110.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PO_Contract_ANR07152112_20210715181907__110.exe

pid process

1772 PO_Contract_ANR07152112_20210715181907__110.exe
1772 PO_Contract_ANR07152112_20210715181907__110.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO_Contract_ANR07152112_20210715181907__110.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1772 PO_Contract_ANR07152112_20210715181907__110.exe
Token: SeDebugPrivilege 608 RegSvcs.exe

description	pid	process	target process
PID 1772 set thread context of 608	1772	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe

pid	process
1772	PO_Contract_ANR07152112_20210715181907__110.exe
1772	PO_Contract_ANR07152112_20210715181907__110.exe

description	pid	process
Token: SeDebugPrivilege	1772	PO_Contract_ANR07152112_20210715181907__110.exe
Token: SeDebugPrivilege	608	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

PO_Contract_ANR07152112_20210715181907__110.exe

description	pid	process	target process
PID 1772 wrote to memory of 608	1772	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1772 wrote to memory of 608	1772	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1772 wrote to memory of 608	1772	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1772 wrote to memory of 608	1772	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1772 wrote to memory of 608	1772	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1772 wrote to memory of 608	1772	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1772 wrote to memory of 608	1772	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1772 wrote to memory of 608	1772	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1772 wrote to memory of 608	1772	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1772 wrote to memory of 608	1772	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1772 wrote to memory of 608	1772	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1772 wrote to memory of 608	1772	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PO_Contract_ANR07152112_20210715181907__110.exe
"C:\Users\Admin\AppData\Local\Temp\PO_Contract_ANR07152112_20210715181907__110.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1772

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:608

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/608-64-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/608-61-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/608-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/608-63-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/608-65-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/608-66-0x000000000040C70E-mapping.dmp

Download
memory/608-67-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/608-70-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/1772-57-0x0000000075321000-0x0000000075323000-memory.dmp

Filesize
8KB

Download
memory/1772-58-0x0000000004230000-0x0000000004231000-memory.dmp

Filesize
4KB

Download
memory/1772-59-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1772-60-0x0000000000A70000-0x0000000000A9E000-memory.dmp

Filesize
184KB

Download
memory/1772-55-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download

Analysis

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