asyncrat | 03d9d3b992a37163f54419db5cff6e3b65366806eed75d97386c88ddf5a4026c

Analysis

max time kernel
149s
max time network
137s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
17-06-2024 20:51

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General

Target

DHLTRACKING.exe
Size

1.4MB
MD5

1bf9ed5030bc34a0f0eaf72c26d521c8
SHA1

dd298f9d3437ea12fd3d89727ed0df05838477c2
SHA256

9d847f1168ee9ba615a9022c4f6665afc81f8f96366848c86c06964ba606c73f
SHA512

03ff5d9a28dc2128a795ed0e4f1d440c40b9209f7a0c6858d863700985cb63e0494feaab8eb23a05b657f0ee67c4560a341b3a9b2493800a1f47b91059956f0e
SSDEEP

24576:SAHnh+eWsN3skA4RV1Hom2KXSmdammEs9qU/Lt4odd4elyHeZfhlPV+gJ+sRIR/5:Vh+ZkldoPKi2ammEsr/Lt4odq2yEHsgG

Score

10^/10

asyncrat rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.6A

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

46.183.223.29:6606

46.183.223.29:7707

46.183.223.29:8808

Mutex

gqbslgbrfnuvpqsxnzw

Attributes

delay
5
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2632 cmd.exe

pid	process
2632	cmd.exe

Drops startup file 1 IoCs

Processes:

DHLTRACKING.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CloudStorageWizard.url	DHLTRACKING.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DHLTRACKING.exe

description pid process target process

PID 1668 set thread context of 324 1668 DHLTRACKING.exe MSBuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2668 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

MSBuild.exe

pid process

324 MSBuild.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

DHLTRACKING.exe

pid process

1668 DHLTRACKING.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 324 MSBuild.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

DHLTRACKING.exe

pid process

1668 DHLTRACKING.exe
1668 DHLTRACKING.exe
1668 DHLTRACKING.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

DHLTRACKING.exe

pid process

1668 DHLTRACKING.exe
1668 DHLTRACKING.exe
1668 DHLTRACKING.exe

description	pid	process	target process
PID 1668 set thread context of 324	1668	DHLTRACKING.exe	MSBuild.exe

pid	process
2668	timeout.exe

pid	process
324	MSBuild.exe

pid	process
1668	DHLTRACKING.exe

description	pid	process
Token: SeDebugPrivilege	324	MSBuild.exe

pid	process
1668	DHLTRACKING.exe
1668	DHLTRACKING.exe
1668	DHLTRACKING.exe

pid	process
1668	DHLTRACKING.exe
1668	DHLTRACKING.exe
1668	DHLTRACKING.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

DHLTRACKING.execmd.exe

description	pid	process	target process
PID 1668 wrote to memory of 324	1668	DHLTRACKING.exe	MSBuild.exe
PID 1668 wrote to memory of 324	1668	DHLTRACKING.exe	MSBuild.exe
PID 1668 wrote to memory of 324	1668	DHLTRACKING.exe	MSBuild.exe
PID 1668 wrote to memory of 324	1668	DHLTRACKING.exe	MSBuild.exe
PID 1668 wrote to memory of 324	1668	DHLTRACKING.exe	MSBuild.exe
PID 1668 wrote to memory of 2632	1668	DHLTRACKING.exe	cmd.exe
PID 1668 wrote to memory of 2632	1668	DHLTRACKING.exe	cmd.exe
PID 1668 wrote to memory of 2632	1668	DHLTRACKING.exe	cmd.exe
PID 1668 wrote to memory of 2632	1668	DHLTRACKING.exe	cmd.exe
PID 2632 wrote to memory of 2668	2632	cmd.exe	timeout.exe
PID 2632 wrote to memory of 2668	2632	cmd.exe	timeout.exe
PID 2632 wrote to memory of 2668	2632	cmd.exe	timeout.exe
PID 2632 wrote to memory of 2668	2632	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\DHLTRACKING.exe
"C:\Users\Admin\AppData\Local\Temp\DHLTRACKING.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:324

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\Admin\AppData\Local\Temp\DHLTRACKING.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2632

C:\Windows\SysWOW64\timeout.exe
TimeOut 1
3⤵
- Delays execution with timeout.exe
PID:2668

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/324-5-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/324-9-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/324-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/324-10-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/324-11-0x000000007486E000-0x000000007486F000-memory.dmp

Filesize
4KB

Download
memory/1668-3-0x0000000000390000-0x00000000003A8000-memory.dmp

Filesize
96KB

Download
memory/1668-4-0x00000000003F0000-0x0000000000408000-memory.dmp

Filesize
96KB

Download