asyncrat | d845c164a62d42c00550da72c49c92296d6e73e6aca723915c0a0ebbd5b494cc

General

Target

PO_Contract_ANR07152112_20210715181907__110.exe
Size

259KB
MD5

59a60d464d1a53db32c8f9d1851e861b
SHA1

33ed4fa55a5a6e2ac4689360dcce5420de49c1b2
SHA256

d845c164a62d42c00550da72c49c92296d6e73e6aca723915c0a0ebbd5b494cc
SHA512

e85b976cc95b45587907168abcc6829eba479a9679f56b5ac5edabcb1947d4f8666ef8c00bde2fddf7080cd8caf2cdad43cfe964211c7b5a92fb4d7fe4ceb19b

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/612-62-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/612-63-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/612-64-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/612-65-0x000000000040C70E-mapping.dmp	asyncrat
behavioral1/memory/612-66-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO_Contract_ANR07152112_20210715181907__110.exe

description pid process target process

PID 1960 set thread context of 612 1960 PO_Contract_ANR07152112_20210715181907__110.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PO_Contract_ANR07152112_20210715181907__110.exe

pid process

1960 PO_Contract_ANR07152112_20210715181907__110.exe
1960 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 1960 PO_Contract_ANR07152112_20210715181907__110.exe
Token: SeDebugPrivilege 612 RegSvcs.exe

description	pid	process	target process
PID 1960 set thread context of 612	1960	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe

pid	process
1960	PO_Contract_ANR07152112_20210715181907__110.exe
1960	PO_Contract_ANR07152112_20210715181907__110.exe

description	pid	process
Token: SeDebugPrivilege	1960	PO_Contract_ANR07152112_20210715181907__110.exe
Token: SeDebugPrivilege	612	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

PO_Contract_ANR07152112_20210715181907__110.exe

description	pid	process	target process
PID 1960 wrote to memory of 612	1960	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1960 wrote to memory of 612	1960	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1960 wrote to memory of 612	1960	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1960 wrote to memory of 612	1960	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1960 wrote to memory of 612	1960	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1960 wrote to memory of 612	1960	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1960 wrote to memory of 612	1960	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1960 wrote to memory of 612	1960	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1960 wrote to memory of 612	1960	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1960 wrote to memory of 612	1960	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1960 wrote to memory of 612	1960	PO_Contract_ANR07152112_20210715181907__110.exe	RegSvcs.exe
PID 1960 wrote to memory of 612	1960	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:1960

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:612

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/612-65-0x000000000040C70E-mapping.dmp

Download
memory/612-60-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/612-61-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/612-62-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/612-63-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/612-64-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/612-66-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/612-68-0x0000000075901000-0x0000000075903000-memory.dmp

Filesize
8KB

Download
memory/612-69-0x00000000048B0000-0x00000000048B1000-memory.dmp

Filesize
4KB

Download
memory/1960-57-0x00000000009D0000-0x00000000009D1000-memory.dmp

Filesize
4KB

Download
memory/1960-58-0x00000000009B0000-0x00000000009B6000-memory.dmp

Filesize
24KB

Download
memory/1960-59-0x00000000011D0000-0x00000000011FD000-memory.dmp

Filesize
180KB

Download
memory/1960-55-0x0000000001250000-0x0000000001251000-memory.dmp

Filesize
4KB

Download

Analysis

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