asyncrat | 72e864ef4dced06864d0bd9be5ad0404f670db2324b3be18aeb686a827945870

General

Target
tmpo__pgjs7.exe
Size 45KB
Sample260522-zcbnkagy21
SHA256 72e864ef4dced06864d0bd9be5ad0404f670db2324b3be18aeb686a827945870
MD5 8004b5714242acf202ee8a36daac1a8a
SHA1 c8663c43fc51641b51d245447899b68f61a80e8c
SHA512 d42f3dd4dfea944387d36f830f307df36b6c2186bdb01e9d17aaf42f7ca9beaf5a65208ac9ee4dff6bcaddcc4a2b90940b5fe7538950092edac41675a7c99ae6
SSDEEP 768:Yu9QdTsw6PpWUBRxTmo2qta9oSsqHz1OPIqzjbbg63iGL8fB/1sn5mBDZrx:Yu9QdTs9323Kti3q3bk6SGwfB/eodrx
TLSH
T156231A003BE9812BF2BF5F7898F26141867AF2673603D64A1CC451D75B23BC68A526FD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default defense_evasion discovery execution asyncrat persistence rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

naples247plumbing.com:443
naples247plumbing.com:80
www.naples247plumbing.com:443
www.naples247plumbing.com:80
qbot.naples247plumbing.com:443
qbot.naples247plumbing.com:80
nimda.naples247plumbing.com:443
nimda.naples247plumbing.com:80

Mutex

xHCySc5Y29FQ

Attributes

delay
0
install
true
install_file
xf9vkgl.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
behavioral3/files/0x000a00000002a41c-8.dat	family_asyncrat

Executes dropped EXE 2 IoCs

pid	Process
5868	xf9vkgl.exe
3160	xf9vkgl.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xf9vkgl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xf9vkgl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpo__pgjs7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
1624	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
3804	schtasks.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe
1672	tmpo__pgjs7.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1672	tmpo__pgjs7.exe
Token: SeDebugPrivilege	5868	xf9vkgl.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 5768	1672	tmpo__pgjs7.exe	80
PID 1672 wrote to memory of 5400	1672	tmpo__pgjs7.exe	82
PID 5400 wrote to memory of 1624	5400	cmd.exe	84
PID 5768 wrote to memory of 3804	5768	cmd.exe	85
PID 5400 wrote to memory of 3160	5400	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\tmpo__pgjs7.exe
"C:\Users\Admin\AppData\Local\Temp\tmpo__pgjs7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "xf9vkgl" /tr '"C:\Users\Admin\AppData\Roaming\xf9vkgl.exe"' & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5768
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "xf9vkgl" /tr '"C:\Users\Admin\AppData\Roaming\xf9vkgl.exe"'
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3804
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC36F.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5400
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1624
- - C:\Users\Admin\AppData\Roaming\xf9vkgl.exe
    "C:\Users\Admin\AppData\Roaming\xf9vkgl.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3160

C:\Users\Admin\AppData\Roaming\xf9vkgl.exe
"C:\Users\Admin\AppData\Roaming\xf9vkgl.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:5868

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

tmpC36F.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmpC36F.tmp.bat
Size 151B
SHA256 2e7d6a5bf04d6d756194a2b10a7ce49e609aa4272060cb766df2645a243bca77
MD5 4f037956d189121860a14a8838424780
SHA1 044374c53ce7cda1233b9f752b9dd3c10d193aa4
SHA512 6b99b3d912a9424c43b3a55513eb3f89a03ad55fe3e11570419ec3aaba2ac5edac2db67e1d2f327cf717a9ab0ccba0d9c0d1ab9e012ee22521f8dfcef71f56c9
TLSH
T1E3C08C5291C6AA8F6809241312BAE49CA162686A3E40AB00C30480091A80868E0A9245
MD5 SHA1 SHA512 TLSH

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xf9vkgl.exe

Path C:\Users\Admin\AppData\Roaming\xf9vkgl.exe
Size 45KB
SHA256 72e864ef4dced06864d0bd9be5ad0404f670db2324b3be18aeb686a827945870
MD5 8004b5714242acf202ee8a36daac1a8a
SHA1 c8663c43fc51641b51d245447899b68f61a80e8c
SHA512 d42f3dd4dfea944387d36f830f307df36b6c2186bdb01e9d17aaf42f7ca9beaf5a65208ac9ee4dff6bcaddcc4a2b90940b5fe7538950092edac41675a7c99ae6
SSDEEP 768:Yu9QdTsw6PpWUBRxTmo2qta9oSsqHz1OPIqzjbbg63iGL8fB/1sn5mBDZrx:Yu9QdTs9323Kti3q3bk6SGwfB/eodrx
TLSH
T156231A003BE9812BF2BF5F7898F26141867AF2673603D64A1CC451D75B23BC68A526FD
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1672-0-0x0000000000CD0000-0x0000000000CE2000-memory.dmp

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memory/1672-1-0x0000000005670000-0x0000000005680000-memory.dmp

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memory/1672-2-0x0000000005680000-0x000000000571C000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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