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/4264-7-0x0000000004B80000-0x0000000004B92000-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-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4264 set thread context of 3004	4264	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	105

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
3180	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4264	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4264	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe
Token: SeDebugPrivilege	3004	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 3180	4264	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	103
PID 4264 wrote to memory of 3180	4264	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	103
PID 4264 wrote to memory of 3180	4264	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	103
PID 4264 wrote to memory of 3004	4264	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	105
PID 4264 wrote to memory of 3004	4264	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	105
PID 4264 wrote to memory of 3004	4264	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	105
PID 4264 wrote to memory of 3004	4264	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	105
PID 4264 wrote to memory of 3004	4264	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	105
PID 4264 wrote to memory of 3004	4264	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	105
PID 4264 wrote to memory of 3004	4264	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	105
PID 4264 wrote to memory of 3004	4264	fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe	105

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:4264
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eYhwPQL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9527.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3180
- C:\Users\Admin\AppData\Local\Temp\fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\fd1915351b866de1d53e9460d2d0b5cd_JaffaCakes118.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

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\tmp9527.tmp

Filesize
1KB

MD5
3333cd69b48fcddee5e09498b5088029

SHA1
d9122cbe8cc287fafe90e27217b933e421b2f713

SHA256
7d16de89b35e4a34dcb100401abadecdeef8e45f437547f89759d4bf373af514

SHA512
90fe55a87a71efeef9190e1111910aa6ed8e06e776c60fcb5736d4e387982a76ac24e186ef1da6f5a1cf2dc21a6995e3a6d6c993713589d1a1701c507fcf0f49

Download Submit
memory/3004-23-0x00000000052C0000-0x00000000052D0000-memory.dmp

Filesize
64KB

Download
memory/3004-22-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3004-21-0x00000000052C0000-0x00000000052D0000-memory.dmp

Filesize
64KB

Download
memory/3004-19-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3004-17-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4264-4-0x0000000005220000-0x00000000052BC000-memory.dmp

Filesize
624KB

Download
memory/4264-7-0x0000000004B80000-0x0000000004B92000-memory.dmp

Filesize
72KB

Download
memory/4264-8-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4264-9-0x0000000005440000-0x0000000005450000-memory.dmp

Filesize
64KB

Download
memory/4264-10-0x00000000069D0000-0x0000000006A30000-memory.dmp

Filesize
384KB

Download
memory/4264-11-0x00000000082E0000-0x00000000082F6000-memory.dmp

Filesize
88KB

Download
memory/4264-6-0x0000000005160000-0x000000000516A000-memory.dmp

Filesize
40KB

Download
memory/4264-5-0x0000000005440000-0x0000000005450000-memory.dmp

Filesize
64KB

Download
memory/4264-0-0x0000000000710000-0x00000000007A6000-memory.dmp

Filesize
600KB

Download
memory/4264-20-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/4264-3-0x0000000005180000-0x0000000005212000-memory.dmp

Filesize
584KB

Download
memory/4264-2-0x0000000005730000-0x0000000005CD4000-memory.dmp

Filesize
5.6MB

Download
memory/4264-1-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads