asyncrat | 613a23dadd6cf4ddfe08a56b7f13f3c83b1a0ef2dba918539ec0d4003f9c06dd

General

Target

URFT06GSBAWRP_001_PDF.exe
Size

300.0MB
MD5

464753cd8a6523de0fba921ce6846177
SHA1

6b3b77af1129f9ad86acc31163d8450eacb4dbd3
SHA256

3221a50204afcf59f4a836680d1e484903ac3aa389c2105d059efc51b8461092
SHA512

589d0919ddf11d1e8e8eff15a0f78623742e5ab6b16e2b754f519f3bfc7912ccd6c43ad5ffe5c0e11c315f9835936b6b2039dc579527d50cb25333844b0876f2
SSDEEP

3072:1iJZ3k2p8jrvVIYkwur2JMBZ6kINhCRFuaABOUEs64BRg40nOFblHTgr4:1OyRr9u1KJkZ6dIYBUeBRgOlWU

Score

10^/10

asyncrat venom clients rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT 5.0.5

Botnet

Venom Clients

C2

resulttoday2.duckdns.org:6111

Mutex

Venom_RAT_HVNC_Mutex_Venom RAT_HVNC

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 11 IoCs

rat

Processes:

resource	yara_rule
behavioral3/memory/1624-62-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat
behavioral3/memory/1624-63-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat
behavioral3/memory/1624-64-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat
behavioral3/memory/1624-65-0x00000000004109DE-mapping.dmp	asyncrat
behavioral3/memory/1624-67-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat
behavioral3/memory/1624-69-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat
behavioral3/memory/1908-85-0x00000000004109DE-mapping.dmp	asyncrat
behavioral3/memory/1908-87-0x0000000000080000-0x0000000000096000-memory.dmp	asyncrat
behavioral3/memory/1908-91-0x0000000000080000-0x0000000000096000-memory.dmp	asyncrat
behavioral3/memory/1908-94-0x0000000000080000-0x0000000000096000-memory.dmp	asyncrat
behavioral3/memory/1812-108-0x00000000004109DE-mapping.dmp	asyncrat

Executes dropped EXE 2 IoCs

Processes:

opetr.exeopetr.exe

pid process

1780 opetr.exe
1164 opetr.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
1780	opetr.exe
1164	opetr.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

URFT06GSBAWRP_001_PDF.exeopetr.exeopetr.exe

description	pid	process	target process
PID 1112 set thread context of 1624	1112	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 1780 set thread context of 1908	1780	opetr.exe	vbc.exe
PID 1164 set thread context of 1812	1164	opetr.exe	vbc.exe

Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

1056 schtasks.exe
1008 schtasks.exe
844 schtasks.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vbc.exevbc.exevbc.exe

description pid process

Token: SeDebugPrivilege 1624 vbc.exe
Token: SeDebugPrivilege 1908 vbc.exe
Token: SeDebugPrivilege 1812 vbc.exe

pid	process
1056	schtasks.exe
1008	schtasks.exe
844	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	1624	vbc.exe
Token: SeDebugPrivilege	1908	vbc.exe
Token: SeDebugPrivilege	1812	vbc.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

URFT06GSBAWRP_001_PDF.execmd.exetaskeng.exeopetr.execmd.exeopetr.execmd.exe

description	pid	process	target process
PID 1112 wrote to memory of 628	1112	URFT06GSBAWRP_001_PDF.exe	cmd.exe
PID 1112 wrote to memory of 628	1112	URFT06GSBAWRP_001_PDF.exe	cmd.exe
PID 1112 wrote to memory of 628	1112	URFT06GSBAWRP_001_PDF.exe	cmd.exe
PID 1112 wrote to memory of 628	1112	URFT06GSBAWRP_001_PDF.exe	cmd.exe
PID 628 wrote to memory of 1056	628	cmd.exe	schtasks.exe
PID 628 wrote to memory of 1056	628	cmd.exe	schtasks.exe
PID 628 wrote to memory of 1056	628	cmd.exe	schtasks.exe
PID 628 wrote to memory of 1056	628	cmd.exe	schtasks.exe
PID 1112 wrote to memory of 1000	1112	URFT06GSBAWRP_001_PDF.exe	cmd.exe
PID 1112 wrote to memory of 1000	1112	URFT06GSBAWRP_001_PDF.exe	cmd.exe
PID 1112 wrote to memory of 1000	1112	URFT06GSBAWRP_001_PDF.exe	cmd.exe
PID 1112 wrote to memory of 1000	1112	URFT06GSBAWRP_001_PDF.exe	cmd.exe
PID 1112 wrote to memory of 1624	1112	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 1112 wrote to memory of 1624	1112	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 1112 wrote to memory of 1624	1112	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 1112 wrote to memory of 1624	1112	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 1112 wrote to memory of 1624	1112	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 1112 wrote to memory of 1624	1112	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 1112 wrote to memory of 1624	1112	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 1112 wrote to memory of 1624	1112	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 1112 wrote to memory of 1624	1112	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 1292 wrote to memory of 1780	1292	taskeng.exe	opetr.exe
PID 1292 wrote to memory of 1780	1292	taskeng.exe	opetr.exe
PID 1292 wrote to memory of 1780	1292	taskeng.exe	opetr.exe
PID 1292 wrote to memory of 1780	1292	taskeng.exe	opetr.exe
PID 1780 wrote to memory of 964	1780	opetr.exe	cmd.exe
PID 1780 wrote to memory of 964	1780	opetr.exe	cmd.exe
PID 1780 wrote to memory of 964	1780	opetr.exe	cmd.exe
PID 1780 wrote to memory of 964	1780	opetr.exe	cmd.exe
PID 1780 wrote to memory of 1452	1780	opetr.exe	cmd.exe
PID 1780 wrote to memory of 1452	1780	opetr.exe	cmd.exe
PID 1780 wrote to memory of 1452	1780	opetr.exe	cmd.exe
PID 1780 wrote to memory of 1452	1780	opetr.exe	cmd.exe
PID 964 wrote to memory of 1008	964	cmd.exe	schtasks.exe
PID 964 wrote to memory of 1008	964	cmd.exe	schtasks.exe
PID 964 wrote to memory of 1008	964	cmd.exe	schtasks.exe
PID 964 wrote to memory of 1008	964	cmd.exe	schtasks.exe
PID 1780 wrote to memory of 1908	1780	opetr.exe	vbc.exe
PID 1780 wrote to memory of 1908	1780	opetr.exe	vbc.exe
PID 1780 wrote to memory of 1908	1780	opetr.exe	vbc.exe
PID 1780 wrote to memory of 1908	1780	opetr.exe	vbc.exe
PID 1780 wrote to memory of 1908	1780	opetr.exe	vbc.exe
PID 1780 wrote to memory of 1908	1780	opetr.exe	vbc.exe
PID 1780 wrote to memory of 1908	1780	opetr.exe	vbc.exe
PID 1780 wrote to memory of 1908	1780	opetr.exe	vbc.exe
PID 1780 wrote to memory of 1908	1780	opetr.exe	vbc.exe
PID 1292 wrote to memory of 1164	1292	taskeng.exe	opetr.exe
PID 1292 wrote to memory of 1164	1292	taskeng.exe	opetr.exe
PID 1292 wrote to memory of 1164	1292	taskeng.exe	opetr.exe
PID 1292 wrote to memory of 1164	1292	taskeng.exe	opetr.exe
PID 1164 wrote to memory of 304	1164	opetr.exe	cmd.exe
PID 1164 wrote to memory of 304	1164	opetr.exe	cmd.exe
PID 1164 wrote to memory of 304	1164	opetr.exe	cmd.exe
PID 1164 wrote to memory of 304	1164	opetr.exe	cmd.exe
PID 304 wrote to memory of 844	304	cmd.exe	schtasks.exe
PID 304 wrote to memory of 844	304	cmd.exe	schtasks.exe
PID 304 wrote to memory of 844	304	cmd.exe	schtasks.exe
PID 304 wrote to memory of 844	304	cmd.exe	schtasks.exe
PID 1164 wrote to memory of 280	1164	opetr.exe	cmd.exe
PID 1164 wrote to memory of 280	1164	opetr.exe	cmd.exe
PID 1164 wrote to memory of 280	1164	opetr.exe	cmd.exe
PID 1164 wrote to memory of 280	1164	opetr.exe	cmd.exe
PID 1164 wrote to memory of 1812	1164	opetr.exe	vbc.exe
PID 1164 wrote to memory of 1812	1164	opetr.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\URFT06GSBAWRP_001_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\URFT06GSBAWRP_001_PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1112

C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\opetr.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:628

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\opetr.exe'" /f
3⤵
- Creates scheduled task(s)
PID:1056

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\URFT06GSBAWRP_001_PDF.exe" "C:\Users\Admin\AppData\Roaming\opetr.exe"
2⤵
PID:1000

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1624

C:\Windows\system32\taskeng.exe
taskeng.exe {C915641F-A65D-42BE-BFCB-D4FAA910CD1B} S-1-5-21-999675638-2867687379-27515722-1000:ORXGKKZC\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1292

C:\Users\Admin\AppData\Roaming\opetr.exe
C:\Users\Admin\AppData\Roaming\opetr.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1780

C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\opetr.exe'" /f
3⤵
- Suspicious use of WriteProcessMemory
PID:964

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\opetr.exe'" /f
4⤵
- Creates scheduled task(s)
PID:1008

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Roaming\opetr.exe" "C:\Users\Admin\AppData\Roaming\opetr.exe"
3⤵
PID:1452

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1908

C:\Users\Admin\AppData\Roaming\opetr.exe
C:\Users\Admin\AppData\Roaming\opetr.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1164

C:\Windows\SysWOW64\cmd.exe
"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\opetr.exe'" /f
3⤵
- Suspicious use of WriteProcessMemory
PID:304

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\opetr.exe'" /f
4⤵
- Creates scheduled task(s)
PID:844

C:\Windows\SysWOW64\cmd.exe
"cmd" /c copy "C:\Users\Admin\AppData\Roaming\opetr.exe" "C:\Users\Admin\AppData\Roaming\opetr.exe"
3⤵
PID:280

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1812

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\opetr.exe
Filesize
300.0MB

MD5
464753cd8a6523de0fba921ce6846177

SHA1
6b3b77af1129f9ad86acc31163d8450eacb4dbd3

SHA256
3221a50204afcf59f4a836680d1e484903ac3aa389c2105d059efc51b8461092

SHA512
589d0919ddf11d1e8e8eff15a0f78623742e5ab6b16e2b754f519f3bfc7912ccd6c43ad5ffe5c0e11c315f9835936b6b2039dc579527d50cb25333844b0876f2

Download Submit
C:\Users\Admin\AppData\Roaming\opetr.exe
Filesize
300.0MB

MD5
464753cd8a6523de0fba921ce6846177

SHA1
6b3b77af1129f9ad86acc31163d8450eacb4dbd3

SHA256
3221a50204afcf59f4a836680d1e484903ac3aa389c2105d059efc51b8461092

SHA512
589d0919ddf11d1e8e8eff15a0f78623742e5ab6b16e2b754f519f3bfc7912ccd6c43ad5ffe5c0e11c315f9835936b6b2039dc579527d50cb25333844b0876f2

Download Submit
C:\Users\Admin\AppData\Roaming\opetr.exe
Filesize
300.0MB

MD5
464753cd8a6523de0fba921ce6846177

SHA1
6b3b77af1129f9ad86acc31163d8450eacb4dbd3

SHA256
3221a50204afcf59f4a836680d1e484903ac3aa389c2105d059efc51b8461092

SHA512
589d0919ddf11d1e8e8eff15a0f78623742e5ab6b16e2b754f519f3bfc7912ccd6c43ad5ffe5c0e11c315f9835936b6b2039dc579527d50cb25333844b0876f2

Download Submit
memory/280-101-0x0000000000000000-mapping.dmp

Download
memory/304-99-0x0000000000000000-mapping.dmp

Download
memory/628-56-0x0000000000000000-mapping.dmp

Download
memory/844-100-0x0000000000000000-mapping.dmp

Download
memory/964-76-0x0000000000000000-mapping.dmp

Download
memory/1000-58-0x0000000000000000-mapping.dmp

Download
memory/1008-78-0x0000000000000000-mapping.dmp

Download
memory/1056-57-0x0000000000000000-mapping.dmp

Download
memory/1112-54-0x0000000000F40000-0x0000000000F72000-memory.dmp

Filesize
200KB

Download
memory/1112-55-0x0000000075351000-0x0000000075353000-memory.dmp

Filesize
8KB

Download
memory/1164-96-0x0000000000000000-mapping.dmp

Download
memory/1452-77-0x0000000000000000-mapping.dmp

Download
memory/1624-62-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1624-64-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1624-59-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1624-69-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1624-67-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1624-60-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1624-63-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1624-65-0x00000000004109DE-mapping.dmp

Download
memory/1780-74-0x0000000000E70000-0x0000000000EA2000-memory.dmp

Filesize
200KB

Download
memory/1780-72-0x0000000000000000-mapping.dmp

Download
memory/1812-108-0x00000000004109DE-mapping.dmp

Download
memory/1908-94-0x0000000000080000-0x0000000000096000-memory.dmp

Filesize
88KB

Download
memory/1908-91-0x0000000000080000-0x0000000000096000-memory.dmp

Filesize
88KB

Download
memory/1908-87-0x0000000000080000-0x0000000000096000-memory.dmp

Filesize
88KB

Download
memory/1908-85-0x00000000004109DE-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads