asyncrat | e8fa87ca61975dd06856634213396736a9596b1b8f589f18ccb9eae2bfc34e0c

General

Target

12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe
Size

294KB
MD5

12919d04474c942ae2690a6524ca2f63
SHA1

4def81bc9bbe31b516d920d3927e97c9436d62e1
SHA256

e8fa87ca61975dd06856634213396736a9596b1b8f589f18ccb9eae2bfc34e0c
SHA512

14d5a4f9f1f26f38ec231e70792b448655c230b448708933564b73fb07acadc33b2c24d71814491e9817ed51fde748d9c0b3bc688f9a80dc72fd1a64e12fd3b3
SSDEEP

6144:6yWuZc8Nwe2jYN4VbCw81EkwyhGYGlqy45YPfe:dWuZc8QjYGVb/81EXtol

Score

10^/10

asyncrat discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.6A

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:5050

185.165.153.251:6606

185.165.153.251:7707

185.165.153.251:8808

185.165.153.251:5050

Mutex

ckkckoudmgh

Attributes

delay
5
install
false
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2272 set thread context of 2304	2272	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2304	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2304	MSBuild.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2304	2272	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2304	2272	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2304	2272	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2304	2272	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2304	2272	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2304	2272	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2304	2272	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2304	2272	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	31
PID 2272 wrote to memory of 2304	2272	12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\12919d04474c942ae2690a6524ca2f63_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2304

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2272-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2272-1-0x0000000000FB0000-0x0000000001000000-memory.dmp

Filesize
320KB

Download
memory/2272-2-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2272-3-0x00000000005F0000-0x00000000005F8000-memory.dmp

Filesize
32KB

Download
memory/2272-4-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/2272-5-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2272-6-0x0000000000C70000-0x0000000000CA2000-memory.dmp

Filesize
200KB

Download
memory/2272-7-0x0000000000B00000-0x0000000000B14000-memory.dmp

Filesize
80KB

Download
memory/2272-19-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2304-12-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2304-10-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2304-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2304-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2304-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2304-17-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2304-9-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2304-8-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2304-18-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2304-20-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download
memory/2304-21-0x0000000074C90000-0x000000007537E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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