asyncrat | b3040213159633a30e364d15cead228ab5ae84c1c8322d8a323bc77170a20acd

General

Target

fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe
Size

575KB
MD5

fd1915351b866de1d53e9460d2d0b5cd
SHA1

1eb9cf61e9a7799ac3635c3040899a043c08e0c1
SHA256

b3040213159633a30e364d15cead228ab5ae84c1c8322d8a323bc77170a20acd
SHA512

0947cbbadcb7b2fbab3dad67ca900246a74e38b7db4bc5f3f440fa694e2a2102daac25aad362f97d11c3d7ecc78d6890da918e1f5533b2db78bc70e404581c1c
SSDEEP

12288:R84PU9vPU9Cv2pzsg/XgOsBgo0q4wM1Yj5C6C9IfyFBzY3:R8uXgOsBgo0q4wMJxFB03

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

podzeye.duckdns.org:4422

podzeye.duckdns.org:4442

podzeye.duckdns.org:4433

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

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral2/memory/4304-7-0x0000000003100000-0x0000000003112000-memory.dmp	CustAttr

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-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4304 set thread context of 2956	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	101

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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
4524	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe
4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe
4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe
Token: SeDebugPrivilege	2956	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4304 wrote to memory of 4524	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	98
PID 4304 wrote to memory of 4524	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	98
PID 4304 wrote to memory of 4524	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	98
PID 4304 wrote to memory of 3340	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	100
PID 4304 wrote to memory of 3340	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	100
PID 4304 wrote to memory of 3340	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	100
PID 4304 wrote to memory of 2956	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	101
PID 4304 wrote to memory of 2956	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	101
PID 4304 wrote to memory of 2956	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	101
PID 4304 wrote to memory of 2956	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	101
PID 4304 wrote to memory of 2956	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	101
PID 4304 wrote to memory of 2956	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	101
PID 4304 wrote to memory of 2956	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	101
PID 4304 wrote to memory of 2956	4304	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	101

C:\Users\Admin\AppData\Local\Temp\fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4304
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eYhwPQL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp78E4.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4524
- C:\Users\Admin\AppData\Local\Temp\fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe"
  2⤵
  PID:3340
- C:\Users\Admin\AppData\Local\Temp\fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2956

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp78E4.tmp

Filesize
1KB

MD5
0abd9af833d2946cc9fed1a6f6b8f1f7

SHA1
7c0803345571c460aa7ec48a0f4610e0b039cb16

SHA256
8810feb1cd5d1ce80bdb33ad866346bd191ff15434876dd8c32bebee382a137a

SHA512
f7006cb9762beb0203b890839e86d89a783aeb42495bb96dce0cebbd05ce0470abc47cee748d5b4cf2ff10f1a1b4034832f9fe211b32b01a689a1fa639e5757d

Download Submit
memory/2956-22-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/2956-21-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/2956-19-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/2956-17-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4304-4-0x00000000058C0000-0x000000000595C000-memory.dmp

Filesize
624KB

Download
memory/4304-6-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/4304-7-0x0000000003100000-0x0000000003112000-memory.dmp

Filesize
72KB

Download
memory/4304-8-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

Filesize
4KB

Download
memory/4304-9-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/4304-10-0x00000000089E0000-0x0000000008A40000-memory.dmp

Filesize
384KB

Download
memory/4304-11-0x0000000008A40000-0x0000000008A56000-memory.dmp

Filesize
88KB

Download
memory/4304-5-0x0000000005800000-0x000000000580A000-memory.dmp

Filesize
40KB

Download
memory/4304-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

Filesize
4KB

Download
memory/4304-3-0x0000000005740000-0x00000000057D2000-memory.dmp

Filesize
584KB

Download
memory/4304-20-0x0000000074A30000-0x00000000751E0000-memory.dmp

Filesize
7.7MB

Download
memory/4304-2-0x0000000005DD0000-0x0000000006374000-memory.dmp

Filesize
5.6MB

Download
memory/4304-1-0x0000000000E50000-0x0000000000EE6000-memory.dmp

Filesize
600KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads