asyncrat | 6223e05abb8fda88b2cb2cc3a18199f1781db887d39f77426d9fce6579a97670

General

Target

ACTA DEL EXPEDIENTE N° 4528-2932-22.exe
Size

1.5MB
MD5

af378b7909440034d7400a16d28675fe
SHA1

c10fa3770480f1147a230130802e60916a2bb459
SHA256

6223e05abb8fda88b2cb2cc3a18199f1781db887d39f77426d9fce6579a97670
SHA512

a0d9cc46b4f3e87cca6a5dc7f6ba14b026864556282e824b3d179a0bd241829b773aa9ed52d6b949ecfe330a40dd1b8a26c88c25ba665d5bab3a0d4ec00b3754
SSDEEP

49152:0i0mLW8TZ70RwLL3mMjrQE0gGp03TGFeJgc8XtJrYtVdZTROwF8NRLdCg4g6e3di:5B32MoNgfTScMJxKbL5Yo

Score

10^/10

asyncrat njrat julio 16 nyan cat persistence rat trojan

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

julio 16

C2

linternadc24.duckdns.org:2222

Mutex

windowsnfdvfgdjsllcpqwaxvmnvgddwqgxz

Attributes

delay
10
install
false
install_file
windowsfender
install_folder
%AppData%

aes.plain

Extracted

Family

njrat

Version

0.7NC

Botnet

NYAN CAT

C2

desquare27.duckdns.org:6060

Mutex

b54424da43d94f

Attributes

reg_key
b54424da43d94f
splitter
@!#&^%$

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\BLATLATD = "C:\\Users\\Admin\\Pictures\\OSSOUPDATER\\SUSUSTAKBAR.exe"	ACTA DEL EXPEDIENTE N° 4528-2932-22.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2884 set thread context of 2832	2884	ACTA DEL EXPEDIENTE N° 4528-2932-22.exe	29
PID 2832 set thread context of 1992	2832	csc.exe	31

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	csc.exe
Token: SeDebugPrivilege	1992	aspnet_compiler.exe
Token: 33	1992	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	1992	aspnet_compiler.exe
Token: 33	1992	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	1992	aspnet_compiler.exe
Token: 33	1992	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	1992	aspnet_compiler.exe
Token: 33	1992	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	1992	aspnet_compiler.exe
Token: 33	1992	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	1992	aspnet_compiler.exe
Token: 33	1992	aspnet_compiler.exe
Token: SeIncBasePriorityPrivilege	1992	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2832	2884	ACTA DEL EXPEDIENTE N° 4528-2932-22.exe	29
PID 2884 wrote to memory of 2832	2884	ACTA DEL EXPEDIENTE N° 4528-2932-22.exe	29
PID 2884 wrote to memory of 2832	2884	ACTA DEL EXPEDIENTE N° 4528-2932-22.exe	29
PID 2884 wrote to memory of 2832	2884	ACTA DEL EXPEDIENTE N° 4528-2932-22.exe	29
PID 2884 wrote to memory of 2832	2884	ACTA DEL EXPEDIENTE N° 4528-2932-22.exe	29
PID 2884 wrote to memory of 2832	2884	ACTA DEL EXPEDIENTE N° 4528-2932-22.exe	29
PID 2832 wrote to memory of 1992	2832	csc.exe	31
PID 2832 wrote to memory of 1992	2832	csc.exe	31
PID 2832 wrote to memory of 1992	2832	csc.exe	31
PID 2832 wrote to memory of 1992	2832	csc.exe	31
PID 2832 wrote to memory of 1992	2832	csc.exe	31
PID 2832 wrote to memory of 1992	2832	csc.exe	31
PID 2832 wrote to memory of 1992	2832	csc.exe	31
PID 2832 wrote to memory of 1992	2832	csc.exe	31
PID 2832 wrote to memory of 1992	2832	csc.exe	31

C:\Users\Admin\AppData\Local\Temp\ACTA DEL EXPEDIENTE N° 4528-2932-22.exe
"C:\Users\Admin\AppData\Local\Temp\ACTA DEL EXPEDIENTE N° 4528-2932-22.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2832
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1992

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabC8EC.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8C6C.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1992-56-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1992-57-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1992-59-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1992-48-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1992-50-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1992-52-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1992-54-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1992-61-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2832-29-0x0000000000820000-0x000000000082E000-memory.dmp

Filesize
56KB

Download
memory/2832-3-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2832-11-0x0000000000320000-0x0000000000534000-memory.dmp

Filesize
2.1MB

Download
memory/2832-9-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2832-7-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2832-5-0x0000000000080000-0x0000000000092000-memory.dmp

Filesize
72KB

Download
memory/2832-4-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2884-2-0x0000000000400000-0x00000000005A1000-memory.dmp

Filesize
1.6MB

Download
memory/2884-1-0x0000000000407000-0x0000000000421000-memory.dmp

Filesize
104KB

Download
memory/2884-0-0x0000000000400000-0x00000000005A1000-memory.dmp

Filesize
1.6MB

Download
memory/2884-10-0x0000000000400000-0x00000000005A1000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads