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
behavioral2/files/0x0009000000024213-8.dat	family_asyncrat

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation	tmpo__pgjs7.exe

Executes dropped EXE 2 IoCs

pid	Process
2264	xf9vkgl.exe
4272	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.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

Delays execution with timeout.exe 1 IoCs

defense_evasion

pid	Process
3332	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
4692	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe
1084	tmpo__pgjs7.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1084	tmpo__pgjs7.exe
Token: SeDebugPrivilege	2264	xf9vkgl.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 1800	1084	tmpo__pgjs7.exe	90
PID 1084 wrote to memory of 4528	1084	tmpo__pgjs7.exe	92
PID 4528 wrote to memory of 3332	4528	cmd.exe	94
PID 1800 wrote to memory of 4692	1800	cmd.exe	95
PID 4528 wrote to memory of 4272	4528	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\tmpo__pgjs7.exe
"C:\Users\Admin\AppData\Local\Temp\tmpo__pgjs7.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1084
- 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:1800
- - 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:4692
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4DAE.tmp.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4528
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3332
- - 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:4272

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:2264

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

Query Registry

1

T1012

System Information Discovery

2

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

tmp4DAE.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4DAE.tmp.bat
Size 151B
SHA256 96ffc499d3a89e40dd069b85d0c0bdd618628b6f844573ecea8313f949f1961a
MD5 e274c36c1aa3032806812fe7056059a5
SHA1 e7c99221b8c7c726183429803c58f93b0d4d3a7e
SHA512 c5a791d711674caab3927fcb0a60087253fbfa6551a9ba98cf669d1bc0bb76ec3b2b571d714198d39e24a37156243dba1dd584d556193e18c847b91d857de120
TLSH
T1E0C02B5255C5EB4F2C05341316FAD89C91727C2F3F40FF00C304404D1680858F0ED345
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/1084-0-0x0000000000A50000-0x0000000000A62000-memory.dmp

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memory/1084-1-0x00000000054C0000-0x00000000054D0000-memory.dmp

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memory/1084-2-0x0000000005400000-0x000000000549C000-memory.dmp

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memory/2264-10-0x00000000054A0000-0x00000000054B0000-memory.dmp

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memory/2264-13-0x00000000054A0000-0x00000000054B0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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