asyncrat | 047395bab7cccf7f5179169e35c5da5bbc4625ec084508f966b94314eb22a6bb

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 13:05

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General

Target

2024-10-18_9c1ccf6b5b942e0ffdb3f3f689359b8c_cobalt-strike_megazord.exe
Size

3.8MB
MD5

9c1ccf6b5b942e0ffdb3f3f689359b8c
SHA1

5a3523f6e6fa11c6f4bf3cf9a3057d881bd1e7c5
SHA256

047395bab7cccf7f5179169e35c5da5bbc4625ec084508f966b94314eb22a6bb
SHA512

6ec2d0840b496aade1a4eceb663d7273f3b92bdd937f6429e6c6cf356efa510789bf1c7d470cf1b96640d7e0cf728a43db3cd56f95adcc853b9a7b84ba6a6049
SSDEEP

49152:5/Y+Lx24MRKwSKh3GZULeOSeBzPGYwsGrZbfcrxrJ4FbFHNd1e6N:lTJ2VJcbfd1e6N

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

2.0.0

Botnet

Default

webwhatsapp.cc:65503

Mutex

ShiningForceRatMutex_cs_cs_cs

Attributes

delay
1
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

Processes:

2024-10-18_9c1ccf6b5b942e0ffdb3f3f689359b8c_cobalt-strike_megazord.exe

description	pid	process	target process
PID 2640 set thread context of 2676	2640	2024-10-18_9c1ccf6b5b942e0ffdb3f3f689359b8c_cobalt-strike_megazord.exe	jsc.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

jsc.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jsc.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

jsc.exe

description pid process

Token: SeDebugPrivilege 2676 jsc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jsc.exe

description	pid	process
Token: SeDebugPrivilege	2676	jsc.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2024-10-18_9c1ccf6b5b942e0ffdb3f3f689359b8c_cobalt-strike_megazord.exe

description	pid	process	target process
PID 2640 wrote to memory of 2676	2640	2024-10-18_9c1ccf6b5b942e0ffdb3f3f689359b8c_cobalt-strike_megazord.exe	jsc.exe
PID 2640 wrote to memory of 2676	2640	2024-10-18_9c1ccf6b5b942e0ffdb3f3f689359b8c_cobalt-strike_megazord.exe	jsc.exe
PID 2640 wrote to memory of 2676	2640	2024-10-18_9c1ccf6b5b942e0ffdb3f3f689359b8c_cobalt-strike_megazord.exe	jsc.exe
PID 2640 wrote to memory of 2676	2640	2024-10-18_9c1ccf6b5b942e0ffdb3f3f689359b8c_cobalt-strike_megazord.exe	jsc.exe
PID 2640 wrote to memory of 2676	2640	2024-10-18_9c1ccf6b5b942e0ffdb3f3f689359b8c_cobalt-strike_megazord.exe	jsc.exe
PID 2640 wrote to memory of 2676	2640	2024-10-18_9c1ccf6b5b942e0ffdb3f3f689359b8c_cobalt-strike_megazord.exe	jsc.exe
PID 2640 wrote to memory of 2676	2640	2024-10-18_9c1ccf6b5b942e0ffdb3f3f689359b8c_cobalt-strike_megazord.exe	jsc.exe
PID 2640 wrote to memory of 2676	2640	2024-10-18_9c1ccf6b5b942e0ffdb3f3f689359b8c_cobalt-strike_megazord.exe	jsc.exe
PID 2640 wrote to memory of 2676	2640	2024-10-18_9c1ccf6b5b942e0ffdb3f3f689359b8c_cobalt-strike_megazord.exe	jsc.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-18_9c1ccf6b5b942e0ffdb3f3f689359b8c_cobalt-strike_megazord.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_9c1ccf6b5b942e0ffdb3f3f689359b8c_cobalt-strike_megazord.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2640

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2676-2-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2676-6-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2676-15-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2676-13-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2676-11-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2676-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-8-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2676-4-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2676-16-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/2676-17-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-18-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/2676-19-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2676-20-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download