asyncrat | 449149eabd216c3b638afae9af82fef24b69ede7f6cd9060ed8d85c4f5c97d98

General

Target

449149eabd216c3b638afae9af82fef24b69ede7f6cd9060ed8d85c4f5c97d98.exe
Size

1.9MB
MD5

4e875a3ff28c0ef04fac6d93452183f9
SHA1

752ba98fa8471cc6c269bf9263a0335ab1c570d4
SHA256

449149eabd216c3b638afae9af82fef24b69ede7f6cd9060ed8d85c4f5c97d98
SHA512

ae90d5a955260ab2b0b2dd80a3015ffc36a9756ccb5793a5887ceadc2b1fd289cde84131414c2afd37c16b1e315bc0bdee80c1d80c502e8e94c031f8f5c09d0c
SSDEEP

49152:qViscIkQonWfm+uHgSa5sfjFkbSxahKG4VhtPLaRc:qZNm+uHgSa5sfjFkexahvN

Score

10^/10

asyncrat 2-iconicos-diam discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

2-ICONICOS-DIAM

C2

proyectodos307.casacam.net:8011

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

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\KasUpdater = "C:\\Users\\Admin\\Pictures\\KasperskyUpdater\\KasperskyUpdater.exe"	449149eabd216c3b638afae9af82fef24b69ede7f6cd9060ed8d85c4f5c97d98.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2568 set thread context of 2680	2568	449149eabd216c3b638afae9af82fef24b69ede7f6cd9060ed8d85c4f5c97d98.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	449149eabd216c3b638afae9af82fef24b69ede7f6cd9060ed8d85c4f5c97d98.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	csc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 2680	2568	449149eabd216c3b638afae9af82fef24b69ede7f6cd9060ed8d85c4f5c97d98.exe	31
PID 2568 wrote to memory of 2680	2568	449149eabd216c3b638afae9af82fef24b69ede7f6cd9060ed8d85c4f5c97d98.exe	31
PID 2568 wrote to memory of 2680	2568	449149eabd216c3b638afae9af82fef24b69ede7f6cd9060ed8d85c4f5c97d98.exe	31
PID 2568 wrote to memory of 2680	2568	449149eabd216c3b638afae9af82fef24b69ede7f6cd9060ed8d85c4f5c97d98.exe	31
PID 2568 wrote to memory of 2680	2568	449149eabd216c3b638afae9af82fef24b69ede7f6cd9060ed8d85c4f5c97d98.exe	31
PID 2568 wrote to memory of 2680	2568	449149eabd216c3b638afae9af82fef24b69ede7f6cd9060ed8d85c4f5c97d98.exe	31

C:\Users\Admin\AppData\Local\Temp\449149eabd216c3b638afae9af82fef24b69ede7f6cd9060ed8d85c4f5c97d98.exe
"C:\Users\Admin\AppData\Local\Temp\449149eabd216c3b638afae9af82fef24b69ede7f6cd9060ed8d85c4f5c97d98.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568
- 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\CabEB2C.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2568-11-0x0000000000400000-0x00000000005EF000-memory.dmp

Filesize
1.9MB

Download
memory/2568-3-0x0000000000400000-0x00000000005EF000-memory.dmp

Filesize
1.9MB

Download
memory/2568-2-0x0000000000428000-0x0000000000441000-memory.dmp

Filesize
100KB

Download
memory/2568-0-0x0000000000400000-0x00000000005EF000-memory.dmp

Filesize
1.9MB

Download
memory/2568-1-0x0000000000400000-0x00000000005EF000-memory.dmp

Filesize
1.9MB

Download
memory/2680-8-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2680-10-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2680-6-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2680-4-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2680-12-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2680-13-0x0000000074790000-0x0000000074E7E000-memory.dmp

Filesize
6.9MB

Download
memory/2680-5-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-30-0x000000007479E000-0x000000007479F000-memory.dmp

Filesize
4KB

Download
memory/2680-31-0x0000000074790000-0x0000000074E7E000-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