asyncrat | 905d2b5bc1104f9105d00772f45d9a01ed4884a231e9feda48535510c7efbde1

General

Target

INVOICE_PAYMENT.exe
Size

825KB
MD5

d05c3e50c2fe19f0c73104fcdcc69b10
SHA1

76d9509cfc31cc5dccf2dab9566a9145be2554bd
SHA256

71279240d14f290a3b81f4a9a660c5cdb37d52c7c65c60f1fa035d5b05745537
SHA512

7434d374919b6ad96cead1ae18d982bab0293be08dfd1eb6b37d5e1b3788424e14ccd0b0400fa1da5f8675453fdd2baadc7e5b560bf8a015ace75c59d6110516

Score

10^/10

asyncrat newyear rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.6D

Botnet

NEWYEAR

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

79.134.225.34:6606

79.134.225.34:7707

79.134.225.34:8808

Mutex

yvlmeiqesk

Attributes

anti_vm
false
bsod
false
delay
10
install
false
install_folder
%AppData%
pastebin_config
null

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
behavioral2/memory/2592-141-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat

Suspicious use of SetThreadContext 1 IoCs

Processes:

INVOICE_PAYMENT.exe

description pid process target process

PID 2780 set thread context of 2592 2780 INVOICE_PAYMENT.exe INVOICE_PAYMENT.exe

description	pid	process	target process
PID 2780 set thread context of 2592	2780	INVOICE_PAYMENT.exe	INVOICE_PAYMENT.exe

Drops file in Windows directory 6 IoCs

Processes:

svchost.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

svchost.exeINVOICE_PAYMENT.exe

description	pid	process
Token: SeShutdownPrivilege	536	svchost.exe
Token: SeCreatePagefilePrivilege	536	svchost.exe
Token: SeShutdownPrivilege	536	svchost.exe
Token: SeCreatePagefilePrivilege	536	svchost.exe
Token: SeShutdownPrivilege	536	svchost.exe
Token: SeCreatePagefilePrivilege	536	svchost.exe
Token: SeDebugPrivilege	2780	INVOICE_PAYMENT.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

INVOICE_PAYMENT.exe

description	pid	process	target process
PID 2780 wrote to memory of 2592	2780	INVOICE_PAYMENT.exe	INVOICE_PAYMENT.exe
PID 2780 wrote to memory of 2592	2780	INVOICE_PAYMENT.exe	INVOICE_PAYMENT.exe
PID 2780 wrote to memory of 2592	2780	INVOICE_PAYMENT.exe	INVOICE_PAYMENT.exe
PID 2780 wrote to memory of 2592	2780	INVOICE_PAYMENT.exe	INVOICE_PAYMENT.exe
PID 2780 wrote to memory of 2592	2780	INVOICE_PAYMENT.exe	INVOICE_PAYMENT.exe
PID 2780 wrote to memory of 2592	2780	INVOICE_PAYMENT.exe	INVOICE_PAYMENT.exe
PID 2780 wrote to memory of 2592	2780	INVOICE_PAYMENT.exe	INVOICE_PAYMENT.exe
PID 2780 wrote to memory of 2592	2780	INVOICE_PAYMENT.exe	INVOICE_PAYMENT.exe

C:\Users\Admin\AppData\Local\Temp\INVOICE_PAYMENT.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE_PAYMENT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2780

C:\Users\Admin\AppData\Local\Temp\INVOICE_PAYMENT.exe
"C:\Users\Admin\AppData\Local\Temp\INVOICE_PAYMENT.exe"
2⤵
PID:2592

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:536

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\INVOICE_PAYMENT.exe.log
MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/536-138-0x000002611EDA0000-0x000002611EDB0000-memory.dmp

Filesize
64KB

Download
memory/536-140-0x0000026121B20000-0x0000026121B24000-memory.dmp

Filesize
16KB

Download
memory/536-139-0x000002611F420000-0x000002611F430000-memory.dmp

Filesize
64KB

Download
memory/2592-144-0x0000000005160000-0x0000000005161000-memory.dmp

Filesize
4KB

Download
memory/2592-143-0x000000007506E000-0x000000007506F000-memory.dmp

Filesize
4KB

Download
memory/2592-141-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2780-133-0x0000000007EF0000-0x0000000008494000-memory.dmp

Filesize
5.6MB

Download
memory/2780-137-0x0000000005440000-0x0000000005441000-memory.dmp

Filesize
4KB

Download
memory/2780-136-0x0000000007AD0000-0x0000000007B26000-memory.dmp

Filesize
344KB

Download
memory/2780-135-0x0000000007820000-0x000000000782A000-memory.dmp

Filesize
40KB

Download
memory/2780-134-0x0000000007940000-0x00000000079D2000-memory.dmp

Filesize
584KB

Download
memory/2780-130-0x000000007506E000-0x000000007506F000-memory.dmp

Filesize
4KB

Download
memory/2780-132-0x00000000078A0000-0x000000000793C000-memory.dmp

Filesize
624KB

Download
memory/2780-131-0x00000000008D0000-0x00000000009A4000-memory.dmp

Filesize
848KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads