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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1160-122-0x0000000000400000-0x0000000000412000-memory.dmp	asyncrat
behavioral2/memory/3396-143-0x0000000007640000-0x0000000007662000-memory.dmp	asyncrat

Executes dropped EXE 2 IoCs

Processes:

MicrosoftDoc.exeMicrosoftDoc.exe

pid process

1856 MicrosoftDoc.exe
3396 MicrosoftDoc.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
1856	MicrosoftDoc.exe
3396	MicrosoftDoc.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

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

description	pid	process	target process
PID 3788 set thread context of 1160	3788	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 1856 set thread context of 3396	1856	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

1940 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3112 timeout.exe

pid	process
1940	schtasks.exe

pid	process
3112	timeout.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

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

pid	process
1160	InvPROV-NTI-EXX-DECK-22-008.exe
1160	InvPROV-NTI-EXX-DECK-22-008.exe
1160	InvPROV-NTI-EXX-DECK-22-008.exe
1160	InvPROV-NTI-EXX-DECK-22-008.exe
1160	InvPROV-NTI-EXX-DECK-22-008.exe
1160	InvPROV-NTI-EXX-DECK-22-008.exe
1160	InvPROV-NTI-EXX-DECK-22-008.exe
1160	InvPROV-NTI-EXX-DECK-22-008.exe
1160	InvPROV-NTI-EXX-DECK-22-008.exe
1160	InvPROV-NTI-EXX-DECK-22-008.exe
1160	InvPROV-NTI-EXX-DECK-22-008.exe
1160	InvPROV-NTI-EXX-DECK-22-008.exe
1160	InvPROV-NTI-EXX-DECK-22-008.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

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

description pid process

Token: SeDebugPrivilege 1160 InvPROV-NTI-EXX-DECK-22-008.exe
Token: SeDebugPrivilege 3396 MicrosoftDoc.exe

description	pid	process
Token: SeDebugPrivilege	1160	InvPROV-NTI-EXX-DECK-22-008.exe
Token: SeDebugPrivilege	3396	MicrosoftDoc.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

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

description	pid	process	target process
PID 3788 wrote to memory of 1160	3788	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 3788 wrote to memory of 1160	3788	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 3788 wrote to memory of 1160	3788	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 3788 wrote to memory of 1160	3788	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 3788 wrote to memory of 1160	3788	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 3788 wrote to memory of 1160	3788	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 3788 wrote to memory of 1160	3788	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 3788 wrote to memory of 1160	3788	InvPROV-NTI-EXX-DECK-22-008.exe	InvPROV-NTI-EXX-DECK-22-008.exe
PID 1160 wrote to memory of 1732	1160	InvPROV-NTI-EXX-DECK-22-008.exe	cmd.exe
PID 1160 wrote to memory of 1732	1160	InvPROV-NTI-EXX-DECK-22-008.exe	cmd.exe
PID 1160 wrote to memory of 1732	1160	InvPROV-NTI-EXX-DECK-22-008.exe	cmd.exe
PID 1160 wrote to memory of 2788	1160	InvPROV-NTI-EXX-DECK-22-008.exe	cmd.exe
PID 1160 wrote to memory of 2788	1160	InvPROV-NTI-EXX-DECK-22-008.exe	cmd.exe
PID 1160 wrote to memory of 2788	1160	InvPROV-NTI-EXX-DECK-22-008.exe	cmd.exe
PID 2788 wrote to memory of 3112	2788	cmd.exe	timeout.exe
PID 2788 wrote to memory of 3112	2788	cmd.exe	timeout.exe
PID 2788 wrote to memory of 3112	2788	cmd.exe	timeout.exe
PID 1732 wrote to memory of 1940	1732	cmd.exe	schtasks.exe
PID 1732 wrote to memory of 1940	1732	cmd.exe	schtasks.exe
PID 1732 wrote to memory of 1940	1732	cmd.exe	schtasks.exe
PID 2788 wrote to memory of 1856	2788	cmd.exe	MicrosoftDoc.exe
PID 2788 wrote to memory of 1856	2788	cmd.exe	MicrosoftDoc.exe
PID 2788 wrote to memory of 1856	2788	cmd.exe	MicrosoftDoc.exe
PID 1856 wrote to memory of 3396	1856	MicrosoftDoc.exe	MicrosoftDoc.exe
PID 1856 wrote to memory of 3396	1856	MicrosoftDoc.exe	MicrosoftDoc.exe
PID 1856 wrote to memory of 3396	1856	MicrosoftDoc.exe	MicrosoftDoc.exe
PID 1856 wrote to memory of 3396	1856	MicrosoftDoc.exe	MicrosoftDoc.exe
PID 1856 wrote to memory of 3396	1856	MicrosoftDoc.exe	MicrosoftDoc.exe
PID 1856 wrote to memory of 3396	1856	MicrosoftDoc.exe	MicrosoftDoc.exe
PID 1856 wrote to memory of 3396	1856	MicrosoftDoc.exe	MicrosoftDoc.exe
PID 1856 wrote to memory of 3396	1856	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 use of WriteProcessMemory
PID:3788

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:1160

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:1732

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:1940

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1365.tmp.bat""
3⤵
- Suspicious use of WriteProcessMemory
PID:2788

C:\Windows\SysWOW64\timeout.exe
timeout 3
4⤵
- Delays execution with timeout.exe
PID:3112

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:1856

C:\Users\Admin\AppData\Roaming\MicrosoftDoc.exe
"C:\Users\Admin\AppData\Roaming\MicrosoftDoc.exe"
5⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3396

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\Microsoft\CLR_v4.0_32\UsageLogs\InvPROV-NTI-EXX-DECK-22-008.exe.log
MD5
a12c47683d03ed3323264b06840fea15

SHA1
5dc1d35c839bdd64d084a83ca422ebf2038a1f94

SHA256
e70034847f32a07907bf1dc9575f1d38ba028191170a653fcb7a171703f674cc

SHA512
e695bceaf8f2242530ca7db10e377211b52d9378d40ff7e9c88fef491e5793f9122404a1e6f3151179fd5500ab1a094cfa372e03bce417614fe1948b67541778

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\MicrosoftDoc.exe.log
MD5
a12c47683d03ed3323264b06840fea15

SHA1
5dc1d35c839bdd64d084a83ca422ebf2038a1f94

SHA256
e70034847f32a07907bf1dc9575f1d38ba028191170a653fcb7a171703f674cc

SHA512
e695bceaf8f2242530ca7db10e377211b52d9378d40ff7e9c88fef491e5793f9122404a1e6f3151179fd5500ab1a094cfa372e03bce417614fe1948b67541778

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1365.tmp.bat
MD5
afd170fa1398ddc43ef84bafa96646a5

SHA1
12c65cf56e223e1fada71e343c0388ca88f07e58

SHA256
3ad90cc9b8c978e0161a3786da8e03a6f0d2534763c4fd1447e28c65d3f39fbe

SHA512
fb703b3932fe9b97c5787f03ce71dc49a92ef4f84f1385126c73175794cca313d1ce22677844e598b4e3351e5e6f8d310a8e05e7e6c4d42781fc4284939d7f07

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
memory/1160-122-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1160-124-0x0000000002A90000-0x0000000002A91000-memory.dmp

Filesize
4KB

Download
memory/1856-128-0x0000000005210000-0x0000000005226000-memory.dmp

Filesize
88KB

Download
memory/1856-132-0x0000000005240000-0x000000000529F000-memory.dmp

Filesize
380KB

Download
memory/3396-138-0x0000000007000000-0x0000000007350000-memory.dmp

Filesize
3.3MB

Download
memory/3396-139-0x0000000006F70000-0x0000000006F7A000-memory.dmp

Filesize
40KB

Download
memory/3396-143-0x0000000007640000-0x0000000007662000-memory.dmp

Filesize
136KB

Download
memory/3396-142-0x00000000075C0000-0x000000000760B000-memory.dmp

Filesize
300KB

Download
memory/3396-141-0x0000000007560000-0x00000000075C0000-memory.dmp

Filesize
384KB

Download
memory/3396-140-0x00000000073C0000-0x0000000007450000-memory.dmp

Filesize
576KB

Download
memory/3396-137-0x0000000006F00000-0x0000000006F1E000-memory.dmp

Filesize
120KB

Download
memory/3396-133-0x00000000054E0000-0x00000000054E1000-memory.dmp

Filesize
4KB

Download
memory/3396-134-0x0000000005B30000-0x0000000005B96000-memory.dmp

Filesize
408KB

Download
memory/3396-135-0x0000000006E00000-0x0000000006E76000-memory.dmp

Filesize
472KB

Download
memory/3396-136-0x0000000006D80000-0x0000000006DFE000-memory.dmp

Filesize
504KB

Download
memory/3788-121-0x0000000002DB0000-0x0000000002DC6000-memory.dmp

Filesize
88KB

Download
memory/3788-115-0x0000000000A20000-0x0000000000A70000-memory.dmp

Filesize
320KB

Download
memory/3788-119-0x0000000005440000-0x00000000054DC000-memory.dmp

Filesize
624KB

Download
memory/3788-116-0x0000000005800000-0x0000000005CFE000-memory.dmp

Filesize
5.0MB

Download
memory/3788-117-0x00000000053A0000-0x0000000005432000-memory.dmp

Filesize
584KB

Download
memory/3788-120-0x0000000005300000-0x00000000057FE000-memory.dmp

Filesize
5.0MB

Download
memory/3788-118-0x0000000002F70000-0x0000000002FA0000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads