asyncrat | 7d4b5d1c4d2ac49cf030034937c48662bdb6bc3d765b2ae575d613a13c5ca46f

General

Target

14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe
Size

167KB
MD5

14c6d942188587ff0f29679de43a2528
SHA1

79c1f96ed01592c7e65c2e00f931a157c15f28e4
SHA256

7d4b5d1c4d2ac49cf030034937c48662bdb6bc3d765b2ae575d613a13c5ca46f
SHA512

cd457b1f340e1dd4d8d3167208f255d0b858f5b3d16f3743702ca2f7f4aa76595135bd3f7a1cc76178bf1f1489bc4b79392c922a7a89bba2aadfb450cdd5e8d5
SSDEEP

3072:XauB++hB+AYDt58T4Eu0RR61u/s9bLztDOCw9p+Wp+WIro:f7hG5y4Eug81Ss9bfsCw9dIr

Score

10^/10

asyncrat stormkitty default discovery persistence privilege_escalation rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

109.248.201.153:6606

109.248.201.153:7707

109.248.201.153:8808

https://api.telegram.org/bot1838160324:AAGx7G67cqyw7VeKRQ5YefPIsnWGShXlcCE/sendMessage?chat_id=1842845625

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

resource	yara_rule
behavioral2/memory/1532-1-0x0000000000270000-0x00000000002A0000-memory.dmp	family_stormkitty

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Drops desktop.ini file(s) 7 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\88aab1fea4f6fb800b25af8a83c7db82\Admin@ODZKDRGV_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Local\88aab1fea4f6fb800b25af8a83c7db82\Admin@ODZKDRGV_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Local\88aab1fea4f6fb800b25af8a83c7db82\Admin@ODZKDRGV_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Local\88aab1fea4f6fb800b25af8a83c7db82\Admin@ODZKDRGV_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Local\88aab1fea4f6fb800b25af8a83c7db82\Admin@ODZKDRGV_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Local\88aab1fea4f6fb800b25af8a83c7db82\Admin@ODZKDRGV_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Local\88aab1fea4f6fb800b25af8a83c7db82\Admin@ODZKDRGV_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3676	1532	WerFault.exe	81

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

description	ioc	Process
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
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	14c6d942188587ff0f29679de43a2528_JaffaCakes118.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

pid	Process
5024	cmd.exe
1136	netsh.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1532	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe
1532	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe
1532	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe
1532	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1532	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 5024	1532	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe	83
PID 1532 wrote to memory of 5024	1532	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe	83
PID 1532 wrote to memory of 5024	1532	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe	83
PID 5024 wrote to memory of 696	5024	cmd.exe	85
PID 5024 wrote to memory of 696	5024	cmd.exe	85
PID 5024 wrote to memory of 696	5024	cmd.exe	85
PID 5024 wrote to memory of 1136	5024	cmd.exe	86
PID 5024 wrote to memory of 1136	5024	cmd.exe	86
PID 5024 wrote to memory of 1136	5024	cmd.exe	86
PID 5024 wrote to memory of 3532	5024	cmd.exe	87
PID 5024 wrote to memory of 3532	5024	cmd.exe	87
PID 5024 wrote to memory of 3532	5024	cmd.exe	87
PID 1532 wrote to memory of 3784	1532	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe	91
PID 1532 wrote to memory of 3784	1532	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe	91
PID 1532 wrote to memory of 3784	1532	14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe	91
PID 3784 wrote to memory of 2116	3784	cmd.exe	93
PID 3784 wrote to memory of 2116	3784	cmd.exe	93
PID 3784 wrote to memory of 2116	3784	cmd.exe	93
PID 3784 wrote to memory of 4496	3784	cmd.exe	94
PID 3784 wrote to memory of 4496	3784	cmd.exe	94
PID 3784 wrote to memory of 4496	3784	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\14c6d942188587ff0f29679de43a2528_JaffaCakes118.exe"
1⤵
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532
- 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:5024
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:696
- - 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:1136
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1532 -s 2116
  2⤵
  - Program crash
  PID:3676
- 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:3784
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2116
- - 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:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1532 -ip 1532
1⤵
PID:1092

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

1

T1217

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

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Downloads

C:\Users\Admin\AppData\Local\88aab1fea4f6fb800b25af8a83c7db82\Admin@ODZKDRGV_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
memory/1532-0-0x000000007516E000-0x000000007516F000-memory.dmp

Filesize
4KB

Download
memory/1532-1-0x0000000000270000-0x00000000002A0000-memory.dmp

Filesize
192KB

Download
memory/1532-2-0x0000000004C00000-0x0000000004C66000-memory.dmp

Filesize
408KB

Download
memory/1532-3-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download
memory/1532-58-0x0000000005E80000-0x0000000005F12000-memory.dmp

Filesize
584KB

Download
memory/1532-64-0x0000000006750000-0x0000000006CF4000-memory.dmp

Filesize
5.6MB

Download
memory/1532-78-0x0000000075160000-0x0000000075910000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads