asyncrat | 6804e81b25e4ce4a13a794265d81f17e975119f0298f8bc1bab6e32ef68e96ed

General

Target

Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe
Size

2.0MB
MD5

3d688bdc32ca1df6570115284247a661
SHA1

9e65416d36b4c54f28be49b9b88846a426111aa0
SHA256

6804e81b25e4ce4a13a794265d81f17e975119f0298f8bc1bab6e32ef68e96ed
SHA512

3b41c9fe21a3973198fe2d4f58f153f2113da861892557b5cdaf7ead410cf48702946422873a90260ac9f6ab3bd17e5d9d9b3329c7fd0a0bc026d3c181f9cc91
SSDEEP

49152:2S2EcnQUXj6SELV6HKcnkkdK9lQJhXfpCMmydLw9d5Oeqlt/IdMWRtpiFTm02t2m:oXV5gdswN/CjKb

Score

10^/10

asyncrat octu30 discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

OCTU30

C2

mjjhfyftuf.duckdns.org:8010

Mutex

DcRatMutex_qwqdanchun

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
Asyncrat family
asyncrat

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\AbzDesignerEditor = "C:\\Users\\Admin\\Music\\AbzDesignerUpdater\\AbzConvertVideo.exe"	Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe

description pid process target process

PID 2684 set thread context of 2680 2684 Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe csc.exe

description	pid	process	target process
PID 2684 set thread context of 2680	2684	Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe	csc.exe

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

Processes:

Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.execsc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

csc.exe

description pid process

Token: SeDebugPrivilege 2680 csc.exe

description	pid	process
Token: SeDebugPrivilege	2680	csc.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe

description	pid	process	target process
PID 2684 wrote to memory of 2680	2684	Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe	csc.exe
PID 2684 wrote to memory of 2680	2684	Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe	csc.exe
PID 2684 wrote to memory of 2680	2684	Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe	csc.exe
PID 2684 wrote to memory of 2680	2684	Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe	csc.exe
PID 2684 wrote to memory of 2680	2684	Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe	csc.exe
PID 2684 wrote to memory of 2680	2684	Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe	csc.exe

C:\Users\Admin\AppData\Local\Temp\Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe
"C:\Users\Admin\AppData\Local\Temp\Notifica Demanda Ref. 25421208-2024 Admite Juzgado Civil.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684

C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

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\CabBF0D.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2680-15-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2680-37-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/2680-36-0x000000007455E000-0x000000007455F000-memory.dmp

Filesize
4KB

Download
memory/2680-18-0x0000000074550000-0x0000000074C3E000-memory.dmp

Filesize
6.9MB

Download
memory/2680-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-7-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2680-9-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2680-13-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2680-17-0x000000007455E000-0x000000007455F000-memory.dmp

Filesize
4KB

Download
memory/2684-5-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2684-16-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2684-11-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2684-3-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2684-1-0x0000000000407000-0x0000000000420000-memory.dmp

Filesize
100KB

Download
memory/2684-19-0x0000000000407000-0x0000000000420000-memory.dmp

Filesize
100KB

Download
memory/2684-6-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2684-4-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download
memory/2684-0-0x0000000000400000-0x0000000000609000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads