asyncrat | ed77428124df77e71916701501c30ad35e7d3ee17572aa705e989f8b786cbe20

General

Target

90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe
Size

822KB
MD5

90a0e47f0bd69bdade317bdf239a86f7
SHA1

e1378bf432db9c5b4453cd62bf35f99c08ab0a65
SHA256

ed77428124df77e71916701501c30ad35e7d3ee17572aa705e989f8b786cbe20
SHA512

df211dc93208748966ed90f960be15644d1c1074657b9c1cc1c037839163444e7e5d0e00c194a5ea6863467ecbef5fa4074bffde4781c0d231c1fa16b934f876
SSDEEP

6144:upCYmT8DUjwtcTtg5tp83CBSS5UkX7QxKUk8PxLgiBb5e4Fq/OIhqwyQR+YVd4O3:brS5UknU/giBb5ZF1VB9O+m

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

severdops.ddns.net:6204

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 2776	2116	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe	32

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	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.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
2152	schtasks.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2152	2116	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe	30
PID 2116 wrote to memory of 2152	2116	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe	30
PID 2116 wrote to memory of 2152	2116	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe	30
PID 2116 wrote to memory of 2152	2116	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe	30
PID 2116 wrote to memory of 2776	2116	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe	32
PID 2116 wrote to memory of 2776	2116	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe	32
PID 2116 wrote to memory of 2776	2116	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe	32
PID 2116 wrote to memory of 2776	2116	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe	32
PID 2116 wrote to memory of 2776	2116	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe	32
PID 2116 wrote to memory of 2776	2116	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe	32
PID 2116 wrote to memory of 2776	2116	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe	32
PID 2116 wrote to memory of 2776	2116	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe	32
PID 2116 wrote to memory of 2776	2116	90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KAOQIrN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD95E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2152
- C:\Users\Admin\AppData\Local\Temp\90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\90a0e47f0bd69bdade317bdf239a86f7_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2776

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD95E.tmp

Filesize
1KB

MD5
966935ba1fa224142935b3bde0f78ff1

SHA1
65c035139430e630b2b1a32f6d19a3b0e3c72b62

SHA256
01c2ba9579ae244c8a638d949e7164ed618a795b3e8034e36d0e8c0784b6904e

SHA512
b9f187b344420e56ee4d651d160c5bf649a7047be8441137e6ade01abc8d24bd9df3233818af161a481114576aa3853156f4d9259e725fb11fb5009fe86e29a3

Download Submit
memory/2116-0-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/2116-1-0x0000000001380000-0x0000000001454000-memory.dmp

Filesize
848KB

Download
memory/2116-2-0x0000000000330000-0x000000000033A000-memory.dmp

Filesize
40KB

Download
memory/2116-3-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-4-0x000000007474E000-0x000000007474F000-memory.dmp

Filesize
4KB

Download
memory/2116-5-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2116-6-0x0000000000BF0000-0x0000000000C30000-memory.dmp

Filesize
256KB

Download
memory/2116-24-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2776-18-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2776-15-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2776-14-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2776-13-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2776-12-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2776-23-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2776-20-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2776-25-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-26-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download
memory/2776-27-0x0000000074740000-0x0000000074E2E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads