asyncrat | 051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0

General

Target

051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe
Size

1.9MB
MD5

18b14e2c7f00211fc1f0754e8a7ffaaa
SHA1

76427d23956181faa779af76b5a4865b1c67a37d
SHA256

051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0
SHA512

1cd41010883f87297de7d64428fa555a291fdec9ac55c3d90b764394f7f503e72fae6f9617a158c6b8399df77f17ce97e048107bd24b55077c5410263377429f
SSDEEP

49152:1Y0DiBirYhIstmZrbQhrHqxZrbQhrHqYlMgI4nrgMYNuopxNXUXua67o+:1Y0DqtmZrbQhrHqxZrbQhrHqesNZai/

Score

10^/10

asyncrat 27 novie discovery persistence rat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

27 NOVIE

C2

RadicadoYActas.casacam.net:2247

Mutex

TERTE

Attributes

delay
5
install
false
install_folder
%AppData%

aes.plain

1
d5VDhYcSorxcaH4g6RWc4qhPapQs9b6L

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\UniFab = "C:\\Users\\Admin\\Documents\\UniFab\\Bin\\UniFab.exe"	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2396 set thread context of 2560	2396	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.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	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2560	2396	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe	31
PID 2396 wrote to memory of 2560	2396	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe	31
PID 2396 wrote to memory of 2560	2396	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe	31
PID 2396 wrote to memory of 2560	2396	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe	31
PID 2396 wrote to memory of 2560	2396	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe	31
PID 2396 wrote to memory of 2560	2396	051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe	31

C:\Users\Admin\AppData\Local\Temp\051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe
"C:\Users\Admin\AppData\Local\Temp\051c00ab3f4813f84c1e44fe9849771a475cbaf07f2d4ab46070256373066ab0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396
- 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
  PID:2560

Network

DNS

RadicadoYActas.casacam.net

csc.exe

Remote address:

8.8.8.8:53

Request

RadicadoYActas.casacam.net

IN A

Response

RadicadoYActas.casacam.net

IN A

179.13.2.154
DNS

RadicadoYActas.casacam.net

csc.exe

Remote address:

8.8.8.8:53

Request

RadicadoYActas.casacam.net

IN A

Response

RadicadoYActas.casacam.net

IN A

179.13.2.154

179.13.2.154:2247

RadicadoYActas.casacam.net

csc.exe

152 B
3
179.13.2.154:2247

RadicadoYActas.casacam.net

csc.exe

152 B
3
179.13.2.154:2247

RadicadoYActas.casacam.net

csc.exe

152 B
3
179.13.2.154:2247

RadicadoYActas.casacam.net

csc.exe

152 B
3
179.13.2.154:2247

RadicadoYActas.casacam.net

csc.exe

152 B
3
179.13.2.154:2247

RadicadoYActas.casacam.net

csc.exe

52 B
1

8.8.8.8:53

RadicadoYActas.casacam.net

dns

csc.exe

72 B
88 B
1
1

DNS Request

RadicadoYActas.casacam.net

DNS Response

179.13.2.154
8.8.8.8:53

RadicadoYActas.casacam.net

dns

csc.exe

72 B
88 B
1
1

DNS Request

RadicadoYActas.casacam.net

DNS Response

179.13.2.154

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

Replay Monitor

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Downloads

memory/2396-18-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/2396-0-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/2396-6-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/2396-7-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/2396-5-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/2396-3-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/2396-23-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/2396-24-0x0000000000416000-0x000000000042F000-memory.dmp

Filesize
100KB

Download
memory/2396-20-0x0000000000416000-0x000000000042F000-memory.dmp

Filesize
100KB

Download
memory/2396-17-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/2396-1-0x0000000000416000-0x000000000042F000-memory.dmp

Filesize
100KB

Download
memory/2560-15-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2560-13-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2560-8-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2560-19-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/2560-21-0x0000000074CD0000-0x00000000753BE000-memory.dmp

Filesize
6.9MB

Download
memory/2560-22-0x0000000074CDE000-0x0000000074CDF000-memory.dmp

Filesize
4KB

Download
memory/2560-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2560-10-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2560-25-0x0000000074CD0000-0x00000000753BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

DNS Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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Downloads

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