asyncrat | 3ccacfb8accb6c350caeea67e9f425488837a4b424ff76bd195d62452dd6e4e4

General

Target

3ccacfb8accb6c350caeea67e9f425488837a4b424ff76bd195d62452dd6e4e4.exe
Size

1017KB
MD5

938653d01f87de709153a10e455ebb8a
SHA1

547e50eb0f492b0bcf37343f40f635c167cd5b7a
SHA256

3ccacfb8accb6c350caeea67e9f425488837a4b424ff76bd195d62452dd6e4e4
SHA512

5e6d7506b64ccab882b16bc0afa00d08ff9c5256f60801d4e978509ef8afe3ef43e1134d45e5fc5a0af0ce7e985e60e3b63639157be3adcd4abfbd8150ef5859
SSDEEP

24576:eKI7etHLvLqhHb8LAKdqWDMlZ17RRS685GykIMpc5:k6tXqhHbiAKdqWDMlZlUr

Score

10^/10

asyncrat oro discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

ORO

C2

noviembre07.ydns.eu:2525

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\QuickTextPaste = "C:\\Users\\Admin\\Pictures\\QuickTextPaste\\Bin\\QuickTextPaste.exe"	3ccacfb8accb6c350caeea67e9f425488837a4b424ff76bd195d62452dd6e4e4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2676 set thread context of 3408	2676	3ccacfb8accb6c350caeea67e9f425488837a4b424ff76bd195d62452dd6e4e4.exe	93

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	3ccacfb8accb6c350caeea67e9f425488837a4b424ff76bd195d62452dd6e4e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3408	csc.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 3408	2676	3ccacfb8accb6c350caeea67e9f425488837a4b424ff76bd195d62452dd6e4e4.exe	93
PID 2676 wrote to memory of 3408	2676	3ccacfb8accb6c350caeea67e9f425488837a4b424ff76bd195d62452dd6e4e4.exe	93
PID 2676 wrote to memory of 3408	2676	3ccacfb8accb6c350caeea67e9f425488837a4b424ff76bd195d62452dd6e4e4.exe	93
PID 2676 wrote to memory of 3408	2676	3ccacfb8accb6c350caeea67e9f425488837a4b424ff76bd195d62452dd6e4e4.exe	93
PID 2676 wrote to memory of 3408	2676	3ccacfb8accb6c350caeea67e9f425488837a4b424ff76bd195d62452dd6e4e4.exe	93

C:\Users\Admin\AppData\Local\Temp\3ccacfb8accb6c350caeea67e9f425488837a4b424ff76bd195d62452dd6e4e4.exe
"C:\Users\Admin\AppData\Local\Temp\3ccacfb8accb6c350caeea67e9f425488837a4b424ff76bd195d62452dd6e4e4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- 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:3408

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

memory/2676-3-0x0000000000400000-0x000000000052C000-memory.dmp

Filesize
1.2MB

Download
memory/2676-0-0x0000000000400000-0x000000000052C000-memory.dmp

Filesize
1.2MB

Download
memory/2676-1-0x0000000000407000-0x0000000000420000-memory.dmp

Filesize
100KB

Download
memory/2676-6-0x0000000000400000-0x000000000052C000-memory.dmp

Filesize
1.2MB

Download
memory/2676-8-0x0000000000400000-0x000000000052C000-memory.dmp

Filesize
1.2MB

Download
memory/2676-9-0x0000000000400000-0x000000000052C000-memory.dmp

Filesize
1.2MB

Download
memory/2676-12-0x0000000000407000-0x0000000000420000-memory.dmp

Filesize
100KB

Download
memory/2676-4-0x0000000000400000-0x000000000052C000-memory.dmp

Filesize
1.2MB

Download
memory/2676-5-0x0000000000400000-0x000000000052C000-memory.dmp

Filesize
1.2MB

Download
memory/3408-21-0x0000000073E50000-0x0000000074600000-memory.dmp

Filesize
7.7MB

Download
memory/3408-7-0x0000000000EC0000-0x0000000000ED2000-memory.dmp

Filesize
72KB

Download
memory/3408-11-0x0000000073E50000-0x0000000074600000-memory.dmp

Filesize
7.7MB

Download
memory/3408-15-0x00000000060B0000-0x000000000614C000-memory.dmp

Filesize
624KB

Download
memory/3408-16-0x0000000006700000-0x0000000006CA4000-memory.dmp

Filesize
5.6MB

Download
memory/3408-17-0x0000000006150000-0x00000000061B6000-memory.dmp

Filesize
408KB

Download
memory/3408-18-0x0000000073E50000-0x0000000074600000-memory.dmp

Filesize
7.7MB

Download
memory/3408-19-0x0000000073E5E000-0x0000000073E5F000-memory.dmp

Filesize
4KB

Download
memory/3408-20-0x0000000073E50000-0x0000000074600000-memory.dmp

Filesize
7.7MB

Download
memory/3408-10-0x0000000073E5E000-0x0000000073E5F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads