Behavioral Report

General

Target

URFT06GSBAWRP_001_PDF/URFT06GSBAWRP_001_PDF.exe
Size

300MB
MD5

464753cd8a6523de0fba921ce6846177
SHA1

6b3b77af1129f9ad86acc31163d8450eacb4dbd3
SHA256

3221a50204afcf59f4a836680d1e484903ac3aa389c2105d059efc51b8461092
SHA512

589d0919ddf11d1e8e8eff15a0f78623742e5ab6b16e2b754f519f3bfc7912ccd6c43ad5ffe5c0e11c315f9835936b6b2039dc579527d50cb25333844b0876f2
SSDEEP

3072:1iJZ3k2p8jrvVIYkwur2JMBZ6kINhCRFuaABOUEs64BRg40nOFblHTgr4:1OyRr9u1KJkZ6dIYBUeBRgOlWU

Score

10^/10

Malware Config

Extracted

Family	asyncrat
Version	Venom RAT 5.0.5
Botnet	Venom Clients
C2	resulttoday2.duckdns.org:6111 resulttoday2.duckdns.org:6111
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 ⋅ 1 IoCs
rat

Processes:

resource yara_rule

behavioral4/memory/4392-139-0x0000000000400000-0x0000000000416000-memory.dmp asyncrat
Executes dropped EXE ⋅ 1 IoCs

Processes:

opetr.exe

pid process

3304 opetr.exe
Uses the VBS compiler for execution ⋅ 1 TTPs

TTPs:

Scripting

resource	yara_rule
behavioral4/memory/4392-139-0x0000000000400000-0x0000000000416000-memory.dmp	asyncrat

pid	process
3304	opetr.exe

Suspicious use of SetThreadContext ⋅ 2 IoCs

Processes:

URFT06GSBAWRP_001_PDF.exeopetr.exe

description	pid	process	target process
PID 2304 set thread context of 4392	2304	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 3304 set thread context of 4408	3304	opetr.exe	vbc.exe

Creates scheduled task(s) ⋅ 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

TTPs:

Scheduled Task

Processes:

schtasks.exeschtasks.exe

pid process

3428 schtasks.exe
3460 schtasks.exe
Suspicious use of AdjustPrivilegeToken ⋅ 2 IoCs

Processes:

vbc.exevbc.exe

description pid process

Token: SeDebugPrivilege 4392 vbc.exe
Token: SeDebugPrivilege 4408 vbc.exe

pid	process
3428	schtasks.exe
3460	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	4392	vbc.exe
Token: SeDebugPrivilege	4408	vbc.exe

Suspicious use of WriteProcessMemory ⋅ 34 IoCs

Processes:

URFT06GSBAWRP_001_PDF.execmd.exeopetr.execmd.exe

description	pid	process	target process
PID 2304 wrote to memory of 1244	2304	URFT06GSBAWRP_001_PDF.exe	cmd.exe
PID 2304 wrote to memory of 1244	2304	URFT06GSBAWRP_001_PDF.exe	cmd.exe
PID 2304 wrote to memory of 1244	2304	URFT06GSBAWRP_001_PDF.exe	cmd.exe
PID 1244 wrote to memory of 3428	1244	cmd.exe	schtasks.exe
PID 1244 wrote to memory of 3428	1244	cmd.exe	schtasks.exe
PID 1244 wrote to memory of 3428	1244	cmd.exe	schtasks.exe
PID 2304 wrote to memory of 3572	2304	URFT06GSBAWRP_001_PDF.exe	cmd.exe
PID 2304 wrote to memory of 3572	2304	URFT06GSBAWRP_001_PDF.exe	cmd.exe
PID 2304 wrote to memory of 3572	2304	URFT06GSBAWRP_001_PDF.exe	cmd.exe
PID 2304 wrote to memory of 4392	2304	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 2304 wrote to memory of 4392	2304	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 2304 wrote to memory of 4392	2304	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 2304 wrote to memory of 4392	2304	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 2304 wrote to memory of 4392	2304	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 2304 wrote to memory of 4392	2304	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 2304 wrote to memory of 4392	2304	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 2304 wrote to memory of 4392	2304	URFT06GSBAWRP_001_PDF.exe	vbc.exe
PID 3304 wrote to memory of 2136	3304	opetr.exe	cmd.exe
PID 3304 wrote to memory of 2136	3304	opetr.exe	cmd.exe
PID 3304 wrote to memory of 2136	3304	opetr.exe	cmd.exe
PID 3304 wrote to memory of 1892	3304	opetr.exe	cmd.exe
PID 3304 wrote to memory of 1892	3304	opetr.exe	cmd.exe
PID 3304 wrote to memory of 1892	3304	opetr.exe	cmd.exe
PID 3304 wrote to memory of 4408	3304	opetr.exe	vbc.exe
PID 3304 wrote to memory of 4408	3304	opetr.exe	vbc.exe
PID 3304 wrote to memory of 4408	3304	opetr.exe	vbc.exe
PID 3304 wrote to memory of 4408	3304	opetr.exe	vbc.exe
PID 3304 wrote to memory of 4408	3304	opetr.exe	vbc.exe
PID 3304 wrote to memory of 4408	3304	opetr.exe	vbc.exe
PID 3304 wrote to memory of 4408	3304	opetr.exe	vbc.exe
PID 3304 wrote to memory of 4408	3304	opetr.exe	vbc.exe
PID 2136 wrote to memory of 3460	2136	cmd.exe	schtasks.exe
PID 2136 wrote to memory of 3460	2136	cmd.exe	schtasks.exe
PID 2136 wrote to memory of 3460	2136	cmd.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\URFT06GSBAWRP_001_PDF\URFT06GSBAWRP_001_PDF.exe

"C:\Users\Admin\AppData\Local\Temp\URFT06GSBAWRP_001_PDF\URFT06GSBAWRP_001_PDF.exe"

Suspicious use of SetThreadContext
Suspicious use of WriteProcessMemory

PID:2304

C:\Windows\SysWOW64\cmd.exe

"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\opetr.exe'" /f

Suspicious use of WriteProcessMemory

PID:1244

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\opetr.exe'" /f

Creates scheduled task(s)

PID:3428

C:\Windows\SysWOW64\cmd.exe

"cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\URFT06GSBAWRP_001_PDF\URFT06GSBAWRP_001_PDF.exe" "C:\Users\Admin\AppData\Roaming\opetr.exe"

PID:3572

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"

Suspicious use of AdjustPrivilegeToken

PID:4392

C:\Users\Admin\AppData\Roaming\opetr.exe

C:\Users\Admin\AppData\Roaming\opetr.exe

Executes dropped EXE
Suspicious use of SetThreadContext
Suspicious use of WriteProcessMemory

PID:3304

C:\Windows\SysWOW64\cmd.exe

"cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\opetr.exe'" /f

Suspicious use of WriteProcessMemory

PID:2136

C:\Windows\SysWOW64\schtasks.exe

schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\opetr.exe'" /f

Creates scheduled task(s)

PID:3460

C:\Windows\SysWOW64\cmd.exe

"cmd" /c copy "C:\Users\Admin\AppData\Roaming\opetr.exe" "C:\Users\Admin\AppData\Roaming\opetr.exe"

PID:1892

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"

Suspicious use of AdjustPrivilegeToken

PID:4408

Network

MITRE ATT&CK Matrix

Collection

Command and Control

Credential Access

Defense Evasion

Scripting

Discovery

Execution

Exfiltration

Impact

Initial Access

Lateral Movement

Persistence

Scheduled Task

Privilege Escalation

Replay Monitor

00:00 00:00

Downloads

C:\Users\Admin\AppData\Roaming\opetr.exe
MD5
464753cd8a6523de0fba921ce6846177

SHA1
6b3b77af1129f9ad86acc31163d8450eacb4dbd3

SHA256
3221a50204afcf59f4a836680d1e484903ac3aa389c2105d059efc51b8461092

SHA512
589d0919ddf11d1e8e8eff15a0f78623742e5ab6b16e2b754f519f3bfc7912ccd6c43ad5ffe5c0e11c315f9835936b6b2039dc579527d50cb25333844b0876f2

Download Submit
C:\Users\Admin\AppData\Roaming\opetr.exe
MD5
464753cd8a6523de0fba921ce6846177

SHA1
6b3b77af1129f9ad86acc31163d8450eacb4dbd3

SHA256
3221a50204afcf59f4a836680d1e484903ac3aa389c2105d059efc51b8461092

SHA512
589d0919ddf11d1e8e8eff15a0f78623742e5ab6b16e2b754f519f3bfc7912ccd6c43ad5ffe5c0e11c315f9835936b6b2039dc579527d50cb25333844b0876f2

Download Submit
memory/1244-134-0x0000000000000000-mapping.dmp

Download
memory/1892-147-0x0000000000000000-mapping.dmp

Download
memory/2136-146-0x0000000000000000-mapping.dmp

Download
memory/2304-136-0x0000000005A80000-0x0000000006024000-memory.dmp

Download
memory/2304-132-0x0000000000810000-0x0000000000842000-memory.dmp

Download
memory/2304-133-0x0000000005460000-0x00000000054C6000-memory.dmp

Download
memory/3428-135-0x0000000000000000-mapping.dmp

Download
memory/3460-150-0x0000000000000000-mapping.dmp

Download
memory/3572-137-0x0000000000000000-mapping.dmp

Download
memory/4392-138-0x0000000000000000-mapping.dmp

Download
memory/4392-139-0x0000000000400000-0x0000000000416000-memory.dmp

Download
memory/4392-140-0x00000000061B0000-0x000000000624C000-memory.dmp

Download
memory/4392-141-0x00000000071B0000-0x0000000007226000-memory.dmp

Download
memory/4392-142-0x0000000007150000-0x000000000716E000-memory.dmp

Download
memory/4392-143-0x0000000007520000-0x00000000075B2000-memory.dmp

Download
memory/4408-148-0x0000000000000000-mapping.dmp

Download

Analysis

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