asyncrat | 75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4

General

Target

75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
Size

196KB
MD5

4bb78b357355de65331534be4f1c53d3
SHA1

a318fdbff560c4afb1ed85686578a12fd85227e0
SHA256

75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4
SHA512

95135d7b7dd4a0cb6db08bc269c030ece5a86d333741b2bc9c1fb9b52957411019d8b3bd54fc670d9668cf4a4147109cd2c74f49425dd21ebecb3b98e69cb2f4
SSDEEP

3072:vLBy3wJIadagPv77DFjbp1UG+SKGLxy9RZLhOkaOyVa3b+cmDjbd5/V/XMu:1yAJ15373Fjbp+SXxwOkPMsbz6j7Fcu

Score

10^/10

asyncrat rat

Malware Config

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers.
rat asyncrat
Executes dropped EXE 1 IoCs

Processes:

.M.exe

pid process

3500 .M.exe

pid	process
3500	.M.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.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

3592 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1216 timeout.exe

pid	process
3592	schtasks.exe

pid	process
1216	timeout.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe

pid	process
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe.M.exe

description	pid	process
Token: SeDebugPrivilege	4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
Token: SeDebugPrivilege	3500	.M.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.execmd.execmd.exe

description	pid	process	target process
PID 4648 wrote to memory of 3504	4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe	cmd.exe
PID 4648 wrote to memory of 3504	4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe	cmd.exe
PID 4648 wrote to memory of 3504	4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe	cmd.exe
PID 4648 wrote to memory of 2472	4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe	cmd.exe
PID 4648 wrote to memory of 2472	4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe	cmd.exe
PID 4648 wrote to memory of 2472	4648	75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe	cmd.exe
PID 3504 wrote to memory of 3592	3504	cmd.exe	schtasks.exe
PID 3504 wrote to memory of 3592	3504	cmd.exe	schtasks.exe
PID 3504 wrote to memory of 3592	3504	cmd.exe	schtasks.exe
PID 2472 wrote to memory of 1216	2472	cmd.exe	timeout.exe
PID 2472 wrote to memory of 1216	2472	cmd.exe	timeout.exe
PID 2472 wrote to memory of 1216	2472	cmd.exe	timeout.exe
PID 2472 wrote to memory of 3500	2472	cmd.exe	.M.exe
PID 2472 wrote to memory of 3500	2472	cmd.exe	.M.exe
PID 2472 wrote to memory of 3500	2472	cmd.exe	.M.exe

C:\Users\Admin\AppData\Local\Temp\75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe
"C:\Users\Admin\AppData\Local\Temp\75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4648

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn ".M" /tr '"C:\Users\Admin\AppData\Roaming\.M.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3504

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn ".M" /tr '"C:\Users\Admin\AppData\Roaming\.M.exe"'
3⤵
- Creates scheduled task(s)
PID:3592

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8438.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:2472

C:\Windows\SysWOW64\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:1216

C:\Users\Admin\AppData\Roaming\.M.exe
"C:\Users\Admin\AppData\Roaming\.M.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3500

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

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8438.tmp.bat
Filesize
146B

MD5
4ad9e7ac0ea655e64f6704ddb0f0c08a

SHA1
2efa3b41e617ed73091c9db7f95a7615eae0e447

SHA256
5cc6a2bb35c4a7fadccf0a4dfbc16960c50685942afeead700dfd00dd4709b58

SHA512
4e7591c372ef03fee0b3d3b3fa2fa07232ac16d927026448f4d15bb5f54017ef4e4826bd61c9ebab78395255835bd69eb528a182a1759745ce807cc867462d63

Download Submit
C:\Users\Admin\AppData\Roaming\.M.exe
Filesize
196KB

MD5
4bb78b357355de65331534be4f1c53d3

SHA1
a318fdbff560c4afb1ed85686578a12fd85227e0

SHA256
75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4

SHA512
95135d7b7dd4a0cb6db08bc269c030ece5a86d333741b2bc9c1fb9b52957411019d8b3bd54fc670d9668cf4a4147109cd2c74f49425dd21ebecb3b98e69cb2f4

Download Submit
C:\Users\Admin\AppData\Roaming\.M.exe
Filesize
196KB

MD5
4bb78b357355de65331534be4f1c53d3

SHA1
a318fdbff560c4afb1ed85686578a12fd85227e0

SHA256
75c8700bde8f6d468164fbcc3bee7f877330dbce27713e6b4d2969524bc2e4a4

SHA512
95135d7b7dd4a0cb6db08bc269c030ece5a86d333741b2bc9c1fb9b52957411019d8b3bd54fc670d9668cf4a4147109cd2c74f49425dd21ebecb3b98e69cb2f4

Download Submit
memory/1216-138-0x0000000000000000-mapping.dmp

Download
memory/2472-135-0x0000000000000000-mapping.dmp

Download
memory/3500-139-0x0000000000000000-mapping.dmp

Download
memory/3504-134-0x0000000000000000-mapping.dmp

Download
memory/3592-137-0x0000000000000000-mapping.dmp

Download
memory/4648-132-0x0000000000C40000-0x0000000000C48000-memory.dmp

Filesize
32KB

Download
memory/4648-133-0x00000000055E0000-0x000000000567C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads