asyncrat | fd2459ab88ff9a3215a3fa5d4a762617842bd7e4a5185b88b632caa7c52c7edd

General

Target

8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe
Size

507KB
MD5

8d656451390b195b7c1fcb95af2fc525
SHA1

e4c36699cd0ad46f38c475c7d8a1374983a30917
SHA256

fd2459ab88ff9a3215a3fa5d4a762617842bd7e4a5185b88b632caa7c52c7edd
SHA512

b40b95a0ae9e92b075fa3291542574741e771f1114375d8d61d5a71534b93ac15774291ef9e2f10e31eee8cf595de320806440cfa848784c2c83f3444988369f
SSDEEP

12288:d62RclE0A0O++rFUjB8HaC8pnsiRvVawcoRfOz:GpA0ORrFSBuN8pnsMs/olA

Score

10^/10

asyncrat bless my hands lord discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

BLESS MY HANDS LORD

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%
pastebin_config
https://pastebin.com/raw/mQ1Zp6VA

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat 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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
43	pastebin.com
44	pastebin.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3364 set thread context of 1452	3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe	101

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 3 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	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.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
1472	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe
3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe
3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe
3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe
Token: SeDebugPrivilege	1452	MSBuild.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3364 wrote to memory of 1472	3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe	99
PID 3364 wrote to memory of 1472	3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe	99
PID 3364 wrote to memory of 1472	3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe	99
PID 3364 wrote to memory of 1452	3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe	101
PID 3364 wrote to memory of 1452	3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe	101
PID 3364 wrote to memory of 1452	3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe	101
PID 3364 wrote to memory of 1452	3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe	101
PID 3364 wrote to memory of 1452	3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe	101
PID 3364 wrote to memory of 1452	3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe	101
PID 3364 wrote to memory of 1452	3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe	101
PID 3364 wrote to memory of 1452	3364	8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe	101

C:\Users\Admin\AppData\Local\Temp\8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8d656451390b195b7c1fcb95af2fc525_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3364
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dmAVbj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5D3E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1472
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1452

Network

MITRE ATT&CK Enterprise v15

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

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5D3E.tmp

Filesize
1KB

MD5
5f5c35542b69dd78bbce2ae2b9e2bd36

SHA1
d4ec63769f1307684bce38cb00ff18aec1541f9c

SHA256
d4d4797d852169799e928e93bd718ff716905b947fd3dec7384e3c4e164c1fcd

SHA512
25b563998b0ee9c6152c2de865782a4a3bdd38491cb7f41fad448f14db657345b833068a4a30477975e0d3ce46abb27b804182087cd0cc0e4d7ed1e08706656a

Download Submit
memory/1452-20-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1452-19-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1452-17-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/1452-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3364-4-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/3364-6-0x0000000004E00000-0x0000000004E12000-memory.dmp

Filesize
72KB

Download
memory/3364-7-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/3364-8-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/3364-9-0x00000000060F0000-0x000000000613E000-memory.dmp

Filesize
312KB

Download
memory/3364-10-0x00000000086A0000-0x00000000086D6000-memory.dmp

Filesize
216KB

Download
memory/3364-11-0x0000000006420000-0x00000000064BC000-memory.dmp

Filesize
624KB

Download
memory/3364-5-0x0000000004C40000-0x0000000004C4A000-memory.dmp

Filesize
40KB

Download
memory/3364-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/3364-3-0x0000000004AB0000-0x0000000004B42000-memory.dmp

Filesize
584KB

Download
memory/3364-18-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/3364-2-0x0000000005060000-0x0000000005604000-memory.dmp

Filesize
5.6MB

Download
memory/3364-1-0x0000000000050000-0x00000000000D6000-memory.dmp

Filesize
536KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads