asyncrat | 009836a304833c35cb2336b438f32f29ef113887402f93fe0664505ee7bed246

General

Target

pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
Size

1.0MB
MD5

2596a24f0668203076e4829fa72dcfe7
SHA1

6d47cd0fa430e89e98931c487a179de58b943521
SHA256

009836a304833c35cb2336b438f32f29ef113887402f93fe0664505ee7bed246
SHA512

267359ee0fc829a8d7a7eb954203a238164ec3b397c714c3836241c001d7b90a6dc10720c524a60460597b3a54e47d3e5441dd208bb5a0bcccf7bcfae9432e0e

Score

10^/10

asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

productos.linkpc.net:3470

Mutex

AsyncMutex_6SI8OkPnk

Attributes

aes_key
cRDJUz3TELGT8tZPsxRbzbKFZunEqWvB
anti_detection
false
autorun
true
bdos
false
delay
Default
host
productos.linkpc.net
hwid
3
install_file
install_folder
%AppData%
mutex
AsyncMutex_6SI8OkPnk
pastebin_config
null
port
3470
version
0.5.7B

aes.plain

Signatures

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

Async RAT payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2756-15-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral2/memory/2756-16-0x000000000040C76E-mapping.dmp	asyncrat
behavioral2/memory/4036-44-0x000000000040C76E-mapping.dmp	asyncrat

Executes dropped EXE 2 IoCs

Processes:

dllwindefenderp.exedllwindefenderp.exe

pid process

3420 dllwindefenderp.exe
4036 dllwindefenderp.exe

pid	process
3420	dllwindefenderp.exe
4036	dllwindefenderp.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exedllwindefenderp.exe

description	pid	process	target process
PID 640 set thread context of 2756	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 3420 set thread context of 4036	3420	dllwindefenderp.exe	dllwindefenderp.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

4012 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3948 timeout.exe

pid	process
4012	schtasks.exe

pid	process
3948	timeout.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exepdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe

pid	process
640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exepdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exedllwindefenderp.exe

description	pid	process
Token: SeDebugPrivilege	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
Token: SeDebugPrivilege	2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
Token: SeDebugPrivilege	4036	dllwindefenderp.exe

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exepdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.execmd.execmd.exedllwindefenderp.exe

description	pid	process	target process
PID 640 wrote to memory of 1588	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 640 wrote to memory of 1588	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 640 wrote to memory of 1588	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 640 wrote to memory of 2608	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 640 wrote to memory of 2608	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 640 wrote to memory of 2608	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 640 wrote to memory of 2756	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 640 wrote to memory of 2756	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 640 wrote to memory of 2756	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 640 wrote to memory of 2756	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 640 wrote to memory of 2756	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 640 wrote to memory of 2756	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 640 wrote to memory of 2756	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 640 wrote to memory of 2756	640	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
PID 2756 wrote to memory of 2052	2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	cmd.exe
PID 2756 wrote to memory of 2052	2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	cmd.exe
PID 2756 wrote to memory of 2052	2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	cmd.exe
PID 2756 wrote to memory of 2240	2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	cmd.exe
PID 2756 wrote to memory of 2240	2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	cmd.exe
PID 2756 wrote to memory of 2240	2756	pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe	cmd.exe
PID 2052 wrote to memory of 4012	2052	cmd.exe	schtasks.exe
PID 2052 wrote to memory of 4012	2052	cmd.exe	schtasks.exe
PID 2052 wrote to memory of 4012	2052	cmd.exe	schtasks.exe
PID 2240 wrote to memory of 3948	2240	cmd.exe	timeout.exe
PID 2240 wrote to memory of 3948	2240	cmd.exe	timeout.exe
PID 2240 wrote to memory of 3948	2240	cmd.exe	timeout.exe
PID 2240 wrote to memory of 3420	2240	cmd.exe	dllwindefenderp.exe
PID 2240 wrote to memory of 3420	2240	cmd.exe	dllwindefenderp.exe
PID 2240 wrote to memory of 3420	2240	cmd.exe	dllwindefenderp.exe
PID 3420 wrote to memory of 4036	3420	dllwindefenderp.exe	dllwindefenderp.exe
PID 3420 wrote to memory of 4036	3420	dllwindefenderp.exe	dllwindefenderp.exe
PID 3420 wrote to memory of 4036	3420	dllwindefenderp.exe	dllwindefenderp.exe
PID 3420 wrote to memory of 4036	3420	dllwindefenderp.exe	dllwindefenderp.exe
PID 3420 wrote to memory of 4036	3420	dllwindefenderp.exe	dllwindefenderp.exe
PID 3420 wrote to memory of 4036	3420	dllwindefenderp.exe	dllwindefenderp.exe
PID 3420 wrote to memory of 4036	3420	dllwindefenderp.exe	dllwindefenderp.exe
PID 3420 wrote to memory of 4036	3420	dllwindefenderp.exe	dllwindefenderp.exe

C:\Users\Admin\AppData\Local\Temp\pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
"C:\Users\Admin\AppData\Local\Temp\pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:640

C:\Users\Admin\AppData\Local\Temp\pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
"C:\Users\Admin\AppData\Local\Temp\pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe"
2⤵
PID:1588

C:\Users\Admin\AppData\Local\Temp\pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
"C:\Users\Admin\AppData\Local\Temp\pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe"
2⤵
PID:2608

C:\Users\Admin\AppData\Local\Temp\pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe
"C:\Users\Admin\AppData\Local\Temp\pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2756

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "dllwindefenderp" /tr '"C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe"' & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:2052

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "dllwindefenderp" /tr '"C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe"'
4⤵
- Creates scheduled task(s)
PID:4012

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp47E7.tmp.bat""
3⤵
- Suspicious use of WriteProcessMemory
PID:2240

C:\Windows\SysWOW64\timeout.exe
timeout 3
4⤵
- Delays execution with timeout.exe
PID:3948

C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe
"C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3420

C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe
"C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe"
5⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dllwindefenderp.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\pdfcartaembargodianreferencianullbywwwdiangovgoverenlinescartadeuda.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp47E7.tmp.bat
MD5
eb3738bd49dca0cc223322b563277b21

SHA1
ea7991e3416da3755af48c34aa7f70d32d885d4c

SHA256
04bd5158340308f8fa71b50341e6769dc4b4ecb7bc47fa01ed36a46c154addcc

SHA512
9fa333db3977a3606f9ef2bfec3d893057b71a5de2e255a63b3145ee199c288e6e3785b6434cbf7bf308822147766c5b79f5c6b116c75808739448c89cdeac35

Download Submit
C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe
MD5
2596a24f0668203076e4829fa72dcfe7

SHA1
6d47cd0fa430e89e98931c487a179de58b943521

SHA256
009836a304833c35cb2336b438f32f29ef113887402f93fe0664505ee7bed246

SHA512
267359ee0fc829a8d7a7eb954203a238164ec3b397c714c3836241c001d7b90a6dc10720c524a60460597b3a54e47d3e5441dd208bb5a0bcccf7bcfae9432e0e

Download Submit
C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe
MD5
2596a24f0668203076e4829fa72dcfe7

SHA1
6d47cd0fa430e89e98931c487a179de58b943521

SHA256
009836a304833c35cb2336b438f32f29ef113887402f93fe0664505ee7bed246

SHA512
267359ee0fc829a8d7a7eb954203a238164ec3b397c714c3836241c001d7b90a6dc10720c524a60460597b3a54e47d3e5441dd208bb5a0bcccf7bcfae9432e0e

Download Submit
C:\Users\Admin\AppData\Roaming\dllwindefenderp.exe
MD5
2596a24f0668203076e4829fa72dcfe7

SHA1
6d47cd0fa430e89e98931c487a179de58b943521

SHA256
009836a304833c35cb2336b438f32f29ef113887402f93fe0664505ee7bed246

SHA512
267359ee0fc829a8d7a7eb954203a238164ec3b397c714c3836241c001d7b90a6dc10720c524a60460597b3a54e47d3e5441dd208bb5a0bcccf7bcfae9432e0e

Download Submit
memory/640-10-0x00000000052E0000-0x00000000052F2000-memory.dmp

Filesize
72KB

Download
memory/640-6-0x00000000058B0000-0x00000000058B1000-memory.dmp

Filesize
4KB

Download
memory/640-11-0x00000000060F0000-0x000000000617A000-memory.dmp

Filesize
552KB

Download
memory/640-12-0x0000000005890000-0x0000000005898000-memory.dmp

Filesize
32KB

Download
memory/640-14-0x0000000005FA0000-0x000000000600C000-memory.dmp

Filesize
432KB

Download
memory/640-3-0x0000000000970000-0x0000000000971000-memory.dmp

Filesize
4KB

Download
memory/640-5-0x0000000005310000-0x0000000005311000-memory.dmp

Filesize
4KB

Download
memory/640-9-0x00000000055B0000-0x00000000055B1000-memory.dmp

Filesize
4KB

Download
memory/640-2-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/640-7-0x00000000053B0000-0x00000000053B1000-memory.dmp

Filesize
4KB

Download
memory/640-8-0x0000000005290000-0x0000000005291000-memory.dmp

Filesize
4KB

Download
memory/2052-22-0x0000000000000000-mapping.dmp

Download
memory/2240-23-0x0000000000000000-mapping.dmp

Download
memory/2756-18-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/2756-16-0x000000000040C76E-mapping.dmp

Download
memory/2756-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3420-27-0x0000000000000000-mapping.dmp

Download
memory/3420-30-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download
memory/3948-26-0x0000000000000000-mapping.dmp

Download
memory/4012-25-0x0000000000000000-mapping.dmp

Download
memory/4036-44-0x000000000040C76E-mapping.dmp

Download
memory/4036-47-0x0000000073F80000-0x000000007466E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads