asyncrat | 4dded23d08236e74a43bf39d2d7592c50a28ed72cf1627362892ff7b96e4737b

General

Target
oaspodlasdp.exe
Size 45KB
Sample260606-t7vr2aav3v
SHA256 4dded23d08236e74a43bf39d2d7592c50a28ed72cf1627362892ff7b96e4737b
MD5 6728b5fde3494de21d716969a33c44d8
SHA1 ff3e4f8a78e237187d38b78e327113020bd79bfe
SHA512 b5d8b483770063c70b6060b7e304597da95cc7eb2d3e9399f3e498ec5c5097107701799d8f6b755b4e7b73ebfe055bf19dccdf4556286e0aac7f143b1563786a
SSDEEP 768:xuq29T9slD5WUxDODmo2qrJoa3rwuPISzjbkgXTiYrgd149S/9j4BDZzx:xuq29T9ue2Qo6EXS3brXOigdY+j+dzx
TLSH
T1D0231B003FE9822BF2BE4F789CF26105467AF5A72603D64D1CC4529B5623FC696426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

admin defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Admin

C2

coachcanadaoutlet.com.co:80
coachcanadaoutlet.com.co:443
coachcanadaoutlet.com.co:3306
coachcanadaoutlet.com.co:21
www.coachcanadaoutlet.com.co:80
www.coachcanadaoutlet.com.co:443
www.coachcanadaoutlet.com.co:3306
www.coachcanadaoutlet.com.co:21
rat.coachcanadaoutlet.com.co:80
rat.coachcanadaoutlet.com.co:443
rat.coachcanadaoutlet.com.co:3306
rat.coachcanadaoutlet.com.co:21

Mutex

fcsnThp6c92W

Attributes

delay
3
install
true
install_file
oaspodlasdp.exe
install_folder
%AppData%

aes.plain

Signatures

Family: AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x002500000002b25d-8.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
2640	oaspodlasdp.exe
3676	oaspodlasdp.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oaspodlasdp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oaspodlasdp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	oaspodlasdp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3636	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2184	schtasks.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe
2312	oaspodlasdp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2312	oaspodlasdp.exe
Token: SeDebugPrivilege	2640	oaspodlasdp.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 5060	2312	oaspodlasdp.exe	81
PID 2312 wrote to memory of 2984	2312	oaspodlasdp.exe	83
PID 5060 wrote to memory of 2184	5060	cmd.exe	85
PID 2984 wrote to memory of 3636	2984	cmd.exe	86
PID 2984 wrote to memory of 3676	2984	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\oaspodlasdp.exe
"C:\Users\Admin\AppData\Local\Temp\oaspodlasdp.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "oaspodlasdp" /tr '"C:\Users\Admin\AppData\Roaming\oaspodlasdp.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5060
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "oaspodlasdp" /tr '"C:\Users\Admin\AppData\Roaming\oaspodlasdp.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2184
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp88.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2984
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3636
- - C:\Users\Admin\AppData\Roaming\oaspodlasdp.exe
    "C:\Users\Admin\AppData\Roaming\oaspodlasdp.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3676

C:\Users\Admin\AppData\Roaming\oaspodlasdp.exe
"C:\Users\Admin\AppData\Roaming\oaspodlasdp.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2640

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

oaspodlasdp.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\oaspodlasdp.exe.log
Size 522B
SHA256 3a8c487575696f7ace931dc220c85a47d33e0ead96aa9e47c705fee5dfac667a
MD5 db9f45365506c49961bfaf3be1475ad2
SHA1 6bd7222f7b7e3e9685207cb285091c92728168e4
SHA512 807028e2aed5b25b2d19ec4f09867746456de4e506c90c73e6730b35303511349a79ca0b9290509664edc0433d47e3fc7f2661534293ebb82185b1494da86a41
TLSH
T10DF09E303231B1D848023F42181C7A8942EF0746B7B8DF2D3650231EDC350176F212E3
MD5 SHA1 SHA512 TLSH

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tmp88.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp88.tmp.bat
Size 153B
SHA256 c198b7daac2a99d8e458cc8735eace9eb54e0b1f236aa5f4947ec498052a07ca
MD5 da9439ef0bbbcb5c55593e78ba7a15f0
SHA1 3fe48f3b28ae256c6fad2b07f5c8b4d32a57683d
SHA512 efe7e04b16f943fdf110bf65c2eb6e6929742862640b5fe14fe48bd68476ff61e68036bb644fe35050743f7f9d1b16fb29200c87675b187eb76dc4835391860e
TLSH
T130C02B5261CAFA8E2C059C630BFBD48DB1F26C5E3F40BBA0CF04400D2280499F0D9347
MD5 SHA1 SHA512 TLSH

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oaspodlasdp.exe

Path C:\Users\Admin\AppData\Roaming\oaspodlasdp.exe
Size 45KB
SHA256 4dded23d08236e74a43bf39d2d7592c50a28ed72cf1627362892ff7b96e4737b
MD5 6728b5fde3494de21d716969a33c44d8
SHA1 ff3e4f8a78e237187d38b78e327113020bd79bfe
SHA512 b5d8b483770063c70b6060b7e304597da95cc7eb2d3e9399f3e498ec5c5097107701799d8f6b755b4e7b73ebfe055bf19dccdf4556286e0aac7f143b1563786a
SSDEEP 768:xuq29T9slD5WUxDODmo2qrJoa3rwuPISzjbkgXTiYrgd149S/9j4BDZzx:xuq29T9ue2Qo6EXS3brXOigdY+j+dzx
TLSH
T1D0231B003FE9822BF2BE4F789CF26105467AF5A72603D64D1CC4529B5623FC696426FE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2312-0-0x0000000000220000-0x0000000000232000-memory.dmp

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memory/2312-1-0x0000000004D00000-0x0000000004D10000-memory.dmp

Download

memory/2312-2-0x0000000004D10000-0x0000000004DAC000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads