asyncrat | f85fb30beeceb9e2721aa12deee155bb604c0a364f926da18644af7e6e5c7a25

General

Target

InvPROV-NTI-EXX-DECK-22-008.exe
Size

292KB
MD5

1d142d1d500fdfbe3b7ef592a9a8895a
SHA1

e345c0434b4a276fec0855b8536723cd01466f9c
SHA256

f85fb30beeceb9e2721aa12deee155bb604c0a364f926da18644af7e6e5c7a25
SHA512

33df0626b5669d5dbfde5916c37d66fbfac82ce6faed53febef0c2336bfb16a59214e37080ffc10a01bff8a9463a510b874ca1a627699a8526d3d719009aa52a

Score

10^/10

asyncrat rat spyware stealer suricata

Malware Config

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 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/832-61-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/832-60-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/832-63-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/832-64-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1304-80-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral1/memory/1304-87-0x0000000000BC0000-0x0000000000BE2000-memory.dmp	asyncrat

Executes dropped EXE 2 IoCs

Processes:

MicrosoftDoc.exeMicrosoftDoc.exe

pid process

2012 MicrosoftDoc.exe
1304 MicrosoftDoc.exe
Loads dropped DLL 1 IoCs

Processes:

cmd.exe

pid process

1280 cmd.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
2012	MicrosoftDoc.exe
1304	MicrosoftDoc.exe

pid	process
1280	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

InvPROV-NTI-EXX-DECK-22-008.exeMicrosoftDoc.exe

description	pid	process	target process
PID 1668 set thread context of 832	1668	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 2012 set thread context of 1304	2012	MicrosoftDoc.exe	MicrosoftDoc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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

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

Processes:

timeout.exe

pid process

432 timeout.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

InvPROV-NTI-EXX-DECK-22-008.exeInvPROV-NTI-EXX-DECK-22-008.exe

pid process

1668 InvPROV-NTI-EXX-DECK-22-008.exe
832 InvPROV-NTI-EXX-DECK-22-008.exe
832 InvPROV-NTI-EXX-DECK-22-008.exe

pid	process
276	schtasks.exe

pid	process
432	timeout.exe

pid	process
1668	InvPROV-NTI-EXX-DECK-22-008.exe
832	InvPROV-NTI-EXX-DECK-22-008.exe
832	InvPROV-NTI-EXX-DECK-22-008.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

InvPROV-NTI-EXX-DECK-22-008.exeInvPROV-NTI-EXX-DECK-22-008.exeMicrosoftDoc.exe

description	pid	process
Token: SeDebugPrivilege	1668	InvPROV-NTI-EXX-DECK-22-008.exe
Token: SeDebugPrivilege	832	InvPROV-NTI-EXX-DECK-22-008.exe
Token: SeDebugPrivilege	1304	MicrosoftDoc.exe

Suspicious use of WriteProcessMemory 42 IoCs

Processes:

InvPROV-NTI-EXX-DECK-22-008.exeInvPROV-NTI-EXX-DECK-22-008.execmd.execmd.exeMicrosoftDoc.exe

description	pid	process	target process
PID 1668 wrote to memory of 964	1668	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 1668 wrote to memory of 964	1668	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 1668 wrote to memory of 964	1668	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 1668 wrote to memory of 964	1668	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 1668 wrote to memory of 832	1668	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 1668 wrote to memory of 832	1668	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 1668 wrote to memory of 832	1668	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 1668 wrote to memory of 832	1668	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 1668 wrote to memory of 832	1668	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 1668 wrote to memory of 832	1668	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 1668 wrote to memory of 832	1668	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 1668 wrote to memory of 832	1668	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 1668 wrote to memory of 832	1668	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 832 wrote to memory of 1928	832	InvPROV-NTI-EXX-DECK-22-008.exe	cmd.exe
PID 832 wrote to memory of 1928	832	InvPROV-NTI-EXX-DECK-22-008.exe	cmd.exe
PID 832 wrote to memory of 1928	832	InvPROV-NTI-EXX-DECK-22-008.exe	cmd.exe
PID 832 wrote to memory of 1928	832	InvPROV-NTI-EXX-DECK-22-008.exe	cmd.exe
PID 832 wrote to memory of 1280	832	InvPROV-NTI-EXX-DECK-22-008.exe	cmd.exe
PID 832 wrote to memory of 1280	832	InvPROV-NTI-EXX-DECK-22-008.exe	cmd.exe
PID 832 wrote to memory of 1280	832	InvPROV-NTI-EXX-DECK-22-008.exe	cmd.exe
PID 832 wrote to memory of 1280	832	InvPROV-NTI-EXX-DECK-22-008.exe	cmd.exe
PID 1280 wrote to memory of 432	1280	cmd.exe	timeout.exe
PID 1280 wrote to memory of 432	1280	cmd.exe	timeout.exe
PID 1280 wrote to memory of 432	1280	cmd.exe	timeout.exe
PID 1280 wrote to memory of 432	1280	cmd.exe	timeout.exe
PID 1928 wrote to memory of 276	1928	cmd.exe	schtasks.exe
PID 1928 wrote to memory of 276	1928	cmd.exe	schtasks.exe
PID 1928 wrote to memory of 276	1928	cmd.exe	schtasks.exe
PID 1928 wrote to memory of 276	1928	cmd.exe	schtasks.exe
PID 1280 wrote to memory of 2012	1280	cmd.exe	MicrosoftDoc.exe
PID 1280 wrote to memory of 2012	1280	cmd.exe	MicrosoftDoc.exe
PID 1280 wrote to memory of 2012	1280	cmd.exe	MicrosoftDoc.exe
PID 1280 wrote to memory of 2012	1280	cmd.exe	MicrosoftDoc.exe
PID 2012 wrote to memory of 1304	2012	MicrosoftDoc.exe	MicrosoftDoc.exe
PID 2012 wrote to memory of 1304	2012	MicrosoftDoc.exe	MicrosoftDoc.exe
PID 2012 wrote to memory of 1304	2012	MicrosoftDoc.exe	MicrosoftDoc.exe
PID 2012 wrote to memory of 1304	2012	MicrosoftDoc.exe	MicrosoftDoc.exe
PID 2012 wrote to memory of 1304	2012	MicrosoftDoc.exe	MicrosoftDoc.exe
PID 2012 wrote to memory of 1304	2012	MicrosoftDoc.exe	MicrosoftDoc.exe
PID 2012 wrote to memory of 1304	2012	MicrosoftDoc.exe	MicrosoftDoc.exe
PID 2012 wrote to memory of 1304	2012	MicrosoftDoc.exe	MicrosoftDoc.exe
PID 2012 wrote to memory of 1304	2012	MicrosoftDoc.exe	MicrosoftDoc.exe

C:\Users\Admin\AppData\Local\Temp\InvPROV-NTI-EXX-DECK-22-008.exe
"C:\Users\Admin\AppData\Local\Temp\InvPROV-NTI-EXX-DECK-22-008.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668

C:\Users\Admin\AppData\Local\Temp\InvPROV-NTI-EXX-DECK-22-008.exe
"C:\Users\Admin\AppData\Local\Temp\InvPROV-NTI-EXX-DECK-22-008.exe"
2⤵
PID:964

C:\Users\Admin\AppData\Local\Temp\InvPROV-NTI-EXX-DECK-22-008.exe
"C:\Users\Admin\AppData\Local\Temp\InvPROV-NTI-EXX-DECK-22-008.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:832

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "MicrosoftDoc" /tr '"C:\Users\Admin\AppData\Roaming\MicrosoftDoc.exe"' & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "MicrosoftDoc" /tr '"C:\Users\Admin\AppData\Roaming\MicrosoftDoc.exe"'
4⤵
- Creates scheduled task(s)
PID:276

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp2137.tmp.bat""
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1280

C:\Windows\SysWOW64\timeout.exe
timeout 3
4⤵
- Delays execution with timeout.exe
PID:432

C:\Users\Admin\AppData\Roaming\MicrosoftDoc.exe
"C:\Users\Admin\AppData\Roaming\MicrosoftDoc.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2012

C:\Users\Admin\AppData\Roaming\MicrosoftDoc.exe
"C:\Users\Admin\AppData\Roaming\MicrosoftDoc.exe"
5⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1304

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2137.tmp.bat
MD5
8ed1703f1e5b4d2a3c3aaef058ec7b9c

SHA1
a2849fcfb25284ac39c386c1328dfaab6d381e64

SHA256
9558d391175808861f49ce539021a8ba63037c850023aa996bc912b79039d5f2

SHA512
67f9b448b200df21603a1e5efabdd1e4e013dd76a9eca893aef31f94dd0677400233ec3815ccea608ff4c47739823084d21f397a2f7b6e374d79d138cad4e1af

Download Submit
C:\Users\Admin\AppData\Roaming\MicrosoftDoc.exe
MD5
1d142d1d500fdfbe3b7ef592a9a8895a

SHA1
e345c0434b4a276fec0855b8536723cd01466f9c

SHA256
f85fb30beeceb9e2721aa12deee155bb604c0a364f926da18644af7e6e5c7a25

SHA512
33df0626b5669d5dbfde5916c37d66fbfac82ce6faed53febef0c2336bfb16a59214e37080ffc10a01bff8a9463a510b874ca1a627699a8526d3d719009aa52a

Download Submit
C:\Users\Admin\AppData\Roaming\MicrosoftDoc.exe
MD5
1d142d1d500fdfbe3b7ef592a9a8895a

SHA1
e345c0434b4a276fec0855b8536723cd01466f9c

SHA256
f85fb30beeceb9e2721aa12deee155bb604c0a364f926da18644af7e6e5c7a25

SHA512
33df0626b5669d5dbfde5916c37d66fbfac82ce6faed53febef0c2336bfb16a59214e37080ffc10a01bff8a9463a510b874ca1a627699a8526d3d719009aa52a

Download Submit
C:\Users\Admin\AppData\Roaming\MicrosoftDoc.exe
MD5
1d142d1d500fdfbe3b7ef592a9a8895a

SHA1
e345c0434b4a276fec0855b8536723cd01466f9c

SHA256
f85fb30beeceb9e2721aa12deee155bb604c0a364f926da18644af7e6e5c7a25

SHA512
33df0626b5669d5dbfde5916c37d66fbfac82ce6faed53febef0c2336bfb16a59214e37080ffc10a01bff8a9463a510b874ca1a627699a8526d3d719009aa52a

Download Submit
\Users\Admin\AppData\Roaming\MicrosoftDoc.exe
MD5
1d142d1d500fdfbe3b7ef592a9a8895a

SHA1
e345c0434b4a276fec0855b8536723cd01466f9c

SHA256
f85fb30beeceb9e2721aa12deee155bb604c0a364f926da18644af7e6e5c7a25

SHA512
33df0626b5669d5dbfde5916c37d66fbfac82ce6faed53febef0c2336bfb16a59214e37080ffc10a01bff8a9463a510b874ca1a627699a8526d3d719009aa52a

Download Submit
memory/832-59-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/832-61-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/832-60-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/832-58-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/832-63-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/832-64-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/832-66-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

Filesize
4KB

Download
memory/1304-80-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1304-82-0x00000000021B0000-0x00000000021B1000-memory.dmp

Filesize
4KB

Download
memory/1304-87-0x0000000000BC0000-0x0000000000BE2000-memory.dmp

Filesize
136KB

Download
memory/1304-86-0x0000000005660000-0x00000000056C0000-memory.dmp

Filesize
384KB

Download
memory/1304-85-0x0000000006090000-0x0000000006120000-memory.dmp

Filesize
576KB

Download
memory/1304-84-0x0000000000830000-0x000000000083A000-memory.dmp

Filesize
40KB

Download
memory/1304-83-0x0000000005D10000-0x0000000005D8E000-memory.dmp

Filesize
504KB

Download
memory/1668-62-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/1668-57-0x0000000000530000-0x0000000000546000-memory.dmp

Filesize
88KB

Download
memory/1668-54-0x0000000000A60000-0x0000000000AB0000-memory.dmp

Filesize
320KB

Download
memory/1668-55-0x0000000000A20000-0x0000000000A50000-memory.dmp

Filesize
192KB

Download
memory/1668-56-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/2012-73-0x00000000003C0000-0x00000000003D6000-memory.dmp

Filesize
88KB

Download
memory/2012-71-0x00000000009C0000-0x0000000000A10000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads