asyncrat | 24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1

General

Target

24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
Size

175KB
MD5

67c418ee40a4edb8a5b232298234f4be
SHA1

1b0f3c83711debfdb62b0b466c3a59aebe74caed
SHA256

24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1
SHA512

bf7b776124d211b7acf5c978666664af9c61d3531d07d0f66f80873f81475d007729f1c7773b3b6e430202267e90fc86242ae9e0eadfc9d5faa5f38754009eb4
SSDEEP

3072:Me8p6ewdOIwQx76vK/bvTv0cU+lL/dMlZZUZ0b2gThwARE+WpCc:o6ewwIwQJ6vKX0c5MlYZ0b2K

Score

10^/10

asyncrat stormkitty default 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

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/4292-122-0x00000000007A0000-0x00000000007D2000-memory.dmp	family_stormkitty

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4292-122-0x00000000007A0000-0x00000000007D2000-memory.dmp	asyncrat

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

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\63d7f8f2733c9193e10362bc1881a54f\Admin@CXVLSGIX_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
File created	C:\Users\Admin\AppData\Local\63d7f8f2733c9193e10362bc1881a54f\Admin@CXVLSGIX_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Camera Roll\desktop.ini	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
File created	C:\Users\Admin\AppData\Local\63d7f8f2733c9193e10362bc1881a54f\Admin@CXVLSGIX_en-US\Grabber\DRIVE-C\Users\Admin\Downloads\desktop.ini	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
File created	C:\Users\Admin\AppData\Local\63d7f8f2733c9193e10362bc1881a54f\Admin@CXVLSGIX_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\Saved Pictures\desktop.ini	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
File created	C:\Users\Admin\AppData\Local\63d7f8f2733c9193e10362bc1881a54f\Admin@CXVLSGIX_en-US\Grabber\DRIVE-C\Users\Admin\Desktop\desktop.ini	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
File created	C:\Users\Admin\AppData\Local\63d7f8f2733c9193e10362bc1881a54f\Admin@CXVLSGIX_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
File opened for modification	C:\Users\Admin\AppData\Local\63d7f8f2733c9193e10362bc1881a54f\Admin@CXVLSGIX_en-US\Grabber\DRIVE-C\Users\Admin\Pictures\desktop.ini	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
File created	C:\Users\Admin\AppData\Local\63d7f8f2733c9193e10362bc1881a54f\Admin@CXVLSGIX_en-US\Grabber\DRIVE-C\Users\Admin\Documents\desktop.ini	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	icanhazip.com

Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 4824	4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe	71
PID 4292 wrote to memory of 4824	4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe	71
PID 4292 wrote to memory of 4824	4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe	71
PID 4824 wrote to memory of 5064	4824	cmd.exe	73
PID 4824 wrote to memory of 5064	4824	cmd.exe	73
PID 4824 wrote to memory of 5064	4824	cmd.exe	73
PID 4824 wrote to memory of 2436	4824	cmd.exe	74
PID 4824 wrote to memory of 2436	4824	cmd.exe	74
PID 4824 wrote to memory of 2436	4824	cmd.exe	74
PID 4824 wrote to memory of 3484	4824	cmd.exe	75
PID 4824 wrote to memory of 3484	4824	cmd.exe	75
PID 4824 wrote to memory of 3484	4824	cmd.exe	75
PID 4292 wrote to memory of 3360	4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe	76
PID 4292 wrote to memory of 3360	4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe	76
PID 4292 wrote to memory of 3360	4292	24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe	76
PID 3360 wrote to memory of 220	3360	cmd.exe	78
PID 3360 wrote to memory of 220	3360	cmd.exe	78
PID 3360 wrote to memory of 220	3360	cmd.exe	78
PID 3360 wrote to memory of 3312	3360	cmd.exe	79
PID 3360 wrote to memory of 3312	3360	cmd.exe	79
PID 3360 wrote to memory of 3312	3360	cmd.exe	79

C:\Users\Admin\AppData\Local\Temp\24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe
"C:\Users\Admin\AppData\Local\Temp\24b53b38f7f87c5b7353d7a98b803b90447d75e3d187c605830bc2ee7ac3c2f1.exe"
1⤵
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4292
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4824
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:5064
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show profile
    3⤵
    PID:2436
- - C:\Windows\SysWOW64\findstr.exe
    findstr All
    3⤵
    PID:3484
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3360
- - C:\Windows\SysWOW64\chcp.com
    chcp 65001
    3⤵
    PID:220
- - C:\Windows\SysWOW64\netsh.exe
    netsh wlan show networks mode=bssid
    3⤵
    PID:3312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\36e079d3b402730895430389333fb96c\msgid.dat

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
C:\Users\Admin\AppData\Local\63d7f8f2733c9193e10362bc1881a54f\Admin@CXVLSGIX_en-US\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\63d7f8f2733c9193e10362bc1881a54f\Admin@CXVLSGIX_en-US\System\Process.txt

Filesize
4KB

MD5
cc58173a8d44a3ee250399ace6c4011f

SHA1
1a2cfdb1f6da617b874c447f7800dac6d7432121

SHA256
4dd7cd17c6dd787511494d116daa06fe30e76e74227b53b014f96ca1e8d2e546

SHA512
0eff979de750e0a732244f2cffc4a56e4686ceef2af18862ca7881237f6cadc483b62415ffceaf5c814c62acdebc43c64aed5c66105e61abf4db09286e8f253c

Download Submit
memory/4292-125-0x0000000005330000-0x0000000005396000-memory.dmp

Filesize
408KB

Download
memory/4292-122-0x00000000007A0000-0x00000000007D2000-memory.dmp

Filesize
200KB

Download
memory/4292-172-0x0000000073AA0000-0x000000007418E000-memory.dmp

Filesize
6.9MB

Download
memory/4292-124-0x00000000050B0000-0x00000000050C0000-memory.dmp

Filesize
64KB

Download
memory/4292-239-0x00000000050B0000-0x00000000050C0000-memory.dmp

Filesize
64KB

Download
memory/4292-240-0x0000000005F00000-0x0000000005F92000-memory.dmp

Filesize
584KB

Download
memory/4292-241-0x00000000064A0000-0x000000000699E000-memory.dmp

Filesize
5.0MB

Download
memory/4292-245-0x0000000006050000-0x000000000605A000-memory.dmp

Filesize
40KB

Download
memory/4292-123-0x0000000073AA0000-0x000000007418E000-memory.dmp

Filesize
6.9MB

Download
memory/4292-251-0x0000000006DE0000-0x0000000006DF2000-memory.dmp

Filesize
72KB

Download
memory/4292-274-0x00000000050B0000-0x00000000050C0000-memory.dmp

Filesize
64KB

Download

Analysis

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