asyncrat | 4d86f85044737f0ffd39482330ab0175e4f8b29017370326f1fe9abe03815ecc

General

Target

8885a16529c6832e1cd77b155de7bc60N.exe
Size

7.2MB
MD5

8885a16529c6832e1cd77b155de7bc60
SHA1

07491563ffc5bc40f3e0b9748669ba8ba3cd77e3
SHA256

4d86f85044737f0ffd39482330ab0175e4f8b29017370326f1fe9abe03815ecc
SHA512

95ed36eb1079098972281a91aaf19bff0b14696d532dc5d5049dc59488122a85d9c2fc78b02fc1aa3cf09e1d0f4ab9c6bbb07a68b24c41b30d323bf7cbbd847c
SSDEEP

3072:Oe8oX8Sb5KcXrtkkXmf/bDsvqtU+lLToChAP0UZ0b2gT8GwAqE+Wpo7:/Xtb5KcXr7XmfgqtjhAxZ0b2FO

Score

10^/10

asyncrat stormkitty default credential_access discovery persistence privilege_escalation rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot7098574639:AAFPe7yc2myaqYLQpGxfhbTUYr2bZbUddD0/sendMessage?chat_id=921280047

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/448-1-0x0000000000B70000-0x0000000000BAA000-memory.dmp	family_stormkitty

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Drops desktop.ini file(s) 8 IoCs

Processes:

8885a16529c6832e1cd77b155de7bc60N.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\17c9d5e5339b574ab370670abb376628\Admin@PVMNUDVD_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	8885a16529c6832e1cd77b155de7bc60N.exe
File created	C:\Users\Admin\AppData\Local\17c9d5e5339b574ab370670abb376628\Admin@PVMNUDVD_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	8885a16529c6832e1cd77b155de7bc60N.exe
File created	C:\Users\Admin\AppData\Local\17c9d5e5339b574ab370670abb376628\Admin@PVMNUDVD_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	8885a16529c6832e1cd77b155de7bc60N.exe
File created	C:\Users\Admin\AppData\Local\17c9d5e5339b574ab370670abb376628\Admin@PVMNUDVD_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	8885a16529c6832e1cd77b155de7bc60N.exe
File created	C:\Users\Admin\AppData\Local\17c9d5e5339b574ab370670abb376628\Admin@PVMNUDVD_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	8885a16529c6832e1cd77b155de7bc60N.exe
File created	C:\Users\Admin\AppData\Local\17c9d5e5339b574ab370670abb376628\Admin@PVMNUDVD_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	8885a16529c6832e1cd77b155de7bc60N.exe
File opened for modification	C:\Users\Admin\AppData\Local\17c9d5e5339b574ab370670abb376628\Admin@PVMNUDVD_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	8885a16529c6832e1cd77b155de7bc60N.exe
File created	C:\Users\Admin\AppData\Local\17c9d5e5339b574ab370670abb376628\Admin@PVMNUDVD_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	8885a16529c6832e1cd77b155de7bc60N.exe

Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

20 icanhazip.com
Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

flow	ioc
20	icanhazip.com

Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

Processes:

netsh.exenetsh.exe

description	ioc	process
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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

Processes:

chcp.comnetsh.exe8885a16529c6832e1cd77b155de7bc60N.execmd.exechcp.comfindstr.exenetsh.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8885a16529c6832e1cd77b155de7bc60N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chcp.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	findstr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs
Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.
discovery

Wi-Fi Discovery
T1016.002

Processes:

cmd.exenetsh.exe

pid process

3028 cmd.exe
2200 netsh.exe

pid	process
3028	cmd.exe
2200	netsh.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

8885a16529c6832e1cd77b155de7bc60N.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	8885a16529c6832e1cd77b155de7bc60N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	8885a16529c6832e1cd77b155de7bc60N.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

8885a16529c6832e1cd77b155de7bc60N.exe

pid	process
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe
448	8885a16529c6832e1cd77b155de7bc60N.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

8885a16529c6832e1cd77b155de7bc60N.exe

description pid process

Token: SeDebugPrivilege 448 8885a16529c6832e1cd77b155de7bc60N.exe

description	pid	process
Token: SeDebugPrivilege	448	8885a16529c6832e1cd77b155de7bc60N.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

8885a16529c6832e1cd77b155de7bc60N.execmd.execmd.exe

description	pid	process	target process
PID 448 wrote to memory of 3028	448	8885a16529c6832e1cd77b155de7bc60N.exe	cmd.exe
PID 448 wrote to memory of 3028	448	8885a16529c6832e1cd77b155de7bc60N.exe	cmd.exe
PID 448 wrote to memory of 3028	448	8885a16529c6832e1cd77b155de7bc60N.exe	cmd.exe
PID 3028 wrote to memory of 3232	3028	cmd.exe	chcp.com
PID 3028 wrote to memory of 3232	3028	cmd.exe	chcp.com
PID 3028 wrote to memory of 3232	3028	cmd.exe	chcp.com
PID 3028 wrote to memory of 2200	3028	cmd.exe	netsh.exe
PID 3028 wrote to memory of 2200	3028	cmd.exe	netsh.exe
PID 3028 wrote to memory of 2200	3028	cmd.exe	netsh.exe
PID 3028 wrote to memory of 672	3028	cmd.exe	findstr.exe
PID 3028 wrote to memory of 672	3028	cmd.exe	findstr.exe
PID 3028 wrote to memory of 672	3028	cmd.exe	findstr.exe
PID 448 wrote to memory of 952	448	8885a16529c6832e1cd77b155de7bc60N.exe	cmd.exe
PID 448 wrote to memory of 952	448	8885a16529c6832e1cd77b155de7bc60N.exe	cmd.exe
PID 448 wrote to memory of 952	448	8885a16529c6832e1cd77b155de7bc60N.exe	cmd.exe
PID 952 wrote to memory of 4016	952	cmd.exe	chcp.com
PID 952 wrote to memory of 4016	952	cmd.exe	chcp.com
PID 952 wrote to memory of 4016	952	cmd.exe	chcp.com
PID 952 wrote to memory of 1084	952	cmd.exe	netsh.exe
PID 952 wrote to memory of 1084	952	cmd.exe	netsh.exe
PID 952 wrote to memory of 1084	952	cmd.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\8885a16529c6832e1cd77b155de7bc60N.exe
"C:\Users\Admin\AppData\Local\Temp\8885a16529c6832e1cd77b155de7bc60N.exe"
1⤵
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:448
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Wi-Fi Discovery
  - Suspicious use of WriteProcessMemory
  PID:3028
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3232
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Wi-Fi Discovery
    PID:2200
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:672
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:952
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4016
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Wi-Fi Discovery

1

T1016.002

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\17c9d5e5339b574ab370670abb376628\Admin@PVMNUDVD_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\17c9d5e5339b574ab370670abb376628\Admin@PVMNUDVD_en-US\System\Process.txt

Filesize
4KB

MD5
436f3ade47224bd0bf11bfd4528e59d6

SHA1
f3a4fdadbf79bd9e46aa046a234d42d6678573f5

SHA256
85f8cfe7e3fcb4a71f798830d491dfca958c5b64b3687dd59263fb3a5008ff28

SHA512
a77edd868a71ecc84ef63809177b1f48c62929714d65fd75e3592f81828ee96b583b3a94c2fba783847dfb4081bb8a9eeaf7b2060a4fa5aaa2bc1d4c583948b6

Download Submit
C:\Users\Admin\AppData\Local\8506be12beeee320712513ea6e947914\msgid.dat

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/448-3-0x0000000005660000-0x00000000056C6000-memory.dmp

Filesize
408KB

Download
memory/448-0-0x00007FFF60E30000-0x00007FFF61025000-memory.dmp

Filesize
2.0MB

Download
memory/448-119-0x00007FFF60E30000-0x00007FFF61025000-memory.dmp

Filesize
2.0MB

Download
memory/448-2-0x00007FFF60E30000-0x00007FFF61025000-memory.dmp

Filesize
2.0MB

Download
memory/448-145-0x00007FFF60E30000-0x00007FFF61025000-memory.dmp

Filesize
2.0MB

Download
memory/448-151-0x00007FFF60E30000-0x00007FFF61025000-memory.dmp

Filesize
2.0MB

Download
memory/448-153-0x00000000060E0000-0x0000000006172000-memory.dmp

Filesize
584KB

Download
memory/448-154-0x0000000006730000-0x0000000006CD4000-memory.dmp

Filesize
5.6MB

Download
memory/448-158-0x00000000061E0000-0x00000000061EA000-memory.dmp

Filesize
40KB

Download
memory/448-1-0x0000000000B70000-0x0000000000BAA000-memory.dmp

Filesize
232KB

Download
memory/448-164-0x00000000070A0000-0x00000000070B2000-memory.dmp

Filesize
72KB

Download
memory/448-189-0x00007FFF60E30000-0x00007FFF61025000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads