asyncrat | a57e3df4a9633d46ac59b6a45a3ad21357acbf5182e841e16a820edf81138bb6

General

Target

7CA736BA6C5898C997FD82042EB2B4A3.exe
Size

459KB
MD5

7ca736ba6c5898c997fd82042eb2b4a3
SHA1

258a71bd04ff5e3da545d941bb962de998fcb356
SHA256

a57e3df4a9633d46ac59b6a45a3ad21357acbf5182e841e16a820edf81138bb6
SHA512

6bf4d9251573d23de947f4ad3acba0162fdc748e7338eba6346201c09d48c4261105a3459132258fc6a22f3517ee1c3362c1c439d5287a50f4d2a48f23d10c16

Score

10^/10

asyncrat rat

Malware Config

Extracted

Family

asyncrat

C2

:

Mutex

Attributes

aes_key
anti_detection
autorun
bdos
delay
host
hwid
Write
install_file
install_folder
xs4F7VPUmodOruvSvV.DMOM3d1QV9uxb9cuEw
mutex
pastebin_config
port
version

aes.plain

Signatures

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

Processes:

InstallUtil.exe

pid process

748 InstallUtil.exe
Loads dropped DLL 1 IoCs

Processes:

7CA736BA6C5898C997FD82042EB2B4A3.exe

pid process

1832 7CA736BA6C5898C997FD82042EB2B4A3.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

7CA736BA6C5898C997FD82042EB2B4A3.exe

description pid process target process

PID 1832 set thread context of 748 1832 7CA736BA6C5898C997FD82042EB2B4A3.exe InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

7CA736BA6C5898C997FD82042EB2B4A3.exepowershell.exe

pid process

1832 7CA736BA6C5898C997FD82042EB2B4A3.exe
1832 7CA736BA6C5898C997FD82042EB2B4A3.exe
1644 powershell.exe
1644 powershell.exe

pid	process
748	InstallUtil.exe

pid	process
1832	7CA736BA6C5898C997FD82042EB2B4A3.exe

description	pid	process	target process
PID 1832 set thread context of 748	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	InstallUtil.exe

pid	process
1832	7CA736BA6C5898C997FD82042EB2B4A3.exe
1832	7CA736BA6C5898C997FD82042EB2B4A3.exe
1644	powershell.exe
1644	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

7CA736BA6C5898C997FD82042EB2B4A3.exepowershell.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe
Token: SeDebugPrivilege	1644	powershell.exe
Token: SeDebugPrivilege	748	InstallUtil.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

7CA736BA6C5898C997FD82042EB2B4A3.exe

description	pid	process	target process
PID 1832 wrote to memory of 1644	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	powershell.exe
PID 1832 wrote to memory of 1644	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	powershell.exe
PID 1832 wrote to memory of 1644	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	powershell.exe
PID 1832 wrote to memory of 1644	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	powershell.exe
PID 1832 wrote to memory of 748	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	InstallUtil.exe
PID 1832 wrote to memory of 748	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	InstallUtil.exe
PID 1832 wrote to memory of 748	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	InstallUtil.exe
PID 1832 wrote to memory of 748	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	InstallUtil.exe
PID 1832 wrote to memory of 748	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	InstallUtil.exe
PID 1832 wrote to memory of 748	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	InstallUtil.exe
PID 1832 wrote to memory of 748	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	InstallUtil.exe
PID 1832 wrote to memory of 748	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	InstallUtil.exe
PID 1832 wrote to memory of 748	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	InstallUtil.exe
PID 1832 wrote to memory of 748	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	InstallUtil.exe
PID 1832 wrote to memory of 748	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	InstallUtil.exe
PID 1832 wrote to memory of 748	1832	7CA736BA6C5898C997FD82042EB2B4A3.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\7CA736BA6C5898C997FD82042EB2B4A3.exe
"C:\Users\Admin\AppData\Local\Temp\7CA736BA6C5898C997FD82042EB2B4A3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1832

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Add-MpPreference -ExclusionPath C:\
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1644

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:748

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
\Users\Admin\AppData\Local\Temp\InstallUtil.exe
MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
memory/748-76-0x0000000004ED0000-0x0000000004ED1000-memory.dmp

Filesize
4KB

Download
memory/748-72-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/748-69-0x00000000004256FE-mapping.dmp

Download
memory/748-68-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1644-66-0x0000000074D91000-0x0000000074D93000-memory.dmp

Filesize
8KB

Download
memory/1644-88-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/1644-65-0x0000000000000000-mapping.dmp

Download
memory/1644-113-0x0000000006310000-0x0000000006311000-memory.dmp

Filesize
4KB

Download
memory/1644-112-0x0000000006300000-0x0000000006301000-memory.dmp

Filesize
4KB

Download
memory/1644-98-0x0000000005610000-0x0000000005611000-memory.dmp

Filesize
4KB

Download
memory/1644-74-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/1644-75-0x00000000047B0000-0x00000000047B1000-memory.dmp

Filesize
4KB

Download
memory/1644-97-0x0000000006280000-0x0000000006281000-memory.dmp

Filesize
4KB

Download
memory/1644-77-0x00000000020E0000-0x0000000002D2A000-memory.dmp

Filesize
12.3MB

Download
memory/1644-79-0x0000000002700000-0x0000000002701000-memory.dmp

Filesize
4KB

Download
memory/1644-80-0x0000000005280000-0x0000000005281000-memory.dmp

Filesize
4KB

Download
memory/1644-83-0x00000000056B0000-0x00000000056B1000-memory.dmp

Filesize
4KB

Download
memory/1644-90-0x00000000060E0000-0x00000000060E1000-memory.dmp

Filesize
4KB

Download
memory/1644-89-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/1832-59-0x0000000000820000-0x0000000000821000-memory.dmp

Filesize
4KB

Download
memory/1832-61-0x00000000049D0000-0x00000000049D1000-memory.dmp

Filesize
4KB

Download
memory/1832-62-0x0000000004720000-0x00000000047AA000-memory.dmp

Filesize
552KB

Download
memory/1832-63-0x0000000004920000-0x0000000004961000-memory.dmp

Filesize
260KB

Download
memory/1832-64-0x00000000049D5000-0x00000000049E6000-memory.dmp

Filesize
68KB

Download

Analysis

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