asyncrat | 4f524039b27097db60b707a3937843fbae9fa3f2390507877009818e60742668

General

Target

DEMANDA.exe
Size

2.2MB
MD5

51b96fd0a6899dfd495d4aa7ad8df9e6
SHA1

9c7462a33aa2000bf180c8d14dde874c2a5c6991
SHA256

61e263c308f56a9273c15339050d5c001b22ba198fecad651df347ecde7e5c7f
SHA512

022eb908c80aa589b08b082528ff4b4ef3ddc73006a718d638708d34b6f2af4a7558cfb009b04010256369fcc53a2a75d2ce70746a8ae2ef79e31622d16a177e
SSDEEP

49152:k1hZXjpFagiNjx1klD+a/fA0kNzs8pXai06wRcT1Pi6ULnlat:ehRpMjmDbkR1b1vT9kat

Score

10^/10

asyncrat default discovery rat

Malware Config

Extracted

Family

asyncrat

Version

| CRACKED BY https://t.me/xworm_v2

Botnet

Default

C2

melo2024.kozow.com:8000

Mutex

AsyncMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_file
AnsyFelix
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	DEMANDA.exe

Executes dropped EXE 1 IoCs

pid	Process
2308	DEMANDA.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2308 set thread context of 1124	2308	DEMANDA.exe	86
PID 1124 set thread context of 3652	1124	cmd.exe	98

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\streamstreamMo_debug.job	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	DEMANDA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2308	DEMANDA.exe
2308	DEMANDA.exe
1124	cmd.exe
1124	cmd.exe
3652	MSBuild.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2308	DEMANDA.exe
1124	cmd.exe
1124	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3652	MSBuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3652	MSBuild.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 2308	5040	DEMANDA.exe	84
PID 5040 wrote to memory of 2308	5040	DEMANDA.exe	84
PID 5040 wrote to memory of 2308	5040	DEMANDA.exe	84
PID 2308 wrote to memory of 1124	2308	DEMANDA.exe	86
PID 2308 wrote to memory of 1124	2308	DEMANDA.exe	86
PID 2308 wrote to memory of 1124	2308	DEMANDA.exe	86
PID 2308 wrote to memory of 1124	2308	DEMANDA.exe	86
PID 1124 wrote to memory of 3652	1124	cmd.exe	98
PID 1124 wrote to memory of 3652	1124	cmd.exe	98
PID 1124 wrote to memory of 3652	1124	cmd.exe	98
PID 1124 wrote to memory of 3652	1124	cmd.exe	98
PID 1124 wrote to memory of 3652	1124	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\DEMANDA.exe
"C:\Users\Admin\AppData\Local\Temp\DEMANDA.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\DEMANDA.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\DEMANDA.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\SysWOW64\cmd.exe
    3⤵
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1124
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:3652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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

C:\Users\Admin\AppData\Local\Temp\76b2db5d

Filesize
676KB

MD5
ae704b564d283233565f74462d530632

SHA1
1893046d07e7b44e5655dd903cde63e70c6b1a36

SHA256
1464e8dbaf0ffeb388a0e94165cb8c19e23e5465237d786a5bfe98f934d120e5

SHA512
02ebb7421c89c34ee08c00eba1c91bf53ba2faf263dbc6339f30196bd7953c4588bc1b408a657d911d69d21d411d5a68ad2d00d13039f0d11dd20ed214954629

Download Submit
C:\Users\Admin\AppData\Local\Temp\78664191

Filesize
780KB

MD5
56f8168395c9644501fc32968572234a

SHA1
9fc41728e754ab4d877f16e804593a79cc51fb08

SHA256
a81603d8fc58eb5178a2b7ff0d922e2c82aa2fedce97f76afbde12d68fa6eb9d

SHA512
2d36c8c2437bede3336c84b067394d909c819d82268ff293504d9c0665d531929d46c6356077e05fed6c644d846c2062a1f53879791d8181c421cf9c802e7de7

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\DEMANDA.exe

Filesize
5.9MB

MD5
fd0f5ec62663d3e3ba3b34d717cdcc2d

SHA1
eb6a7fa2982f763b8b66f15dc473587dd76d2211

SHA256
6d4122080b36e64d58ecbd5232eb28180e45a520dc2c1a881d76ee9d19399942

SHA512
bac6e29c83ded07756d3f4200d49d19eefa8ce193d557b480f9fb51418da242e69ab62447b2b1fa86ba9d966bd8c025f9c58ad03902da5c5eed6cdea5279a7cb

Download Submit
memory/1124-26-0x0000000073EA0000-0x000000007401B000-memory.dmp

Filesize
1.5MB

Download
memory/1124-38-0x0000000073EA0000-0x000000007401B000-memory.dmp

Filesize
1.5MB

Download
memory/1124-33-0x0000000073EA0000-0x000000007401B000-memory.dmp

Filesize
1.5MB

Download
memory/1124-30-0x0000000073EA0000-0x000000007401B000-memory.dmp

Filesize
1.5MB

Download
memory/1124-28-0x00007FFDF8070000-0x00007FFDF8265000-memory.dmp

Filesize
2.0MB

Download
memory/2308-22-0x0000000073EB3000-0x0000000073EB5000-memory.dmp

Filesize
8KB

Download
memory/2308-24-0x0000000073EA0000-0x000000007401B000-memory.dmp

Filesize
1.5MB

Download
memory/2308-23-0x0000000073EA0000-0x000000007401B000-memory.dmp

Filesize
1.5MB

Download
memory/2308-21-0x00007FFDF8070000-0x00007FFDF8265000-memory.dmp

Filesize
2.0MB

Download
memory/2308-20-0x0000000073EA0000-0x000000007401B000-memory.dmp

Filesize
1.5MB

Download
memory/2308-14-0x00000000007F0000-0x0000000000DEB000-memory.dmp

Filesize
6.0MB

Download
memory/3652-35-0x0000000072A40000-0x0000000073C94000-memory.dmp

Filesize
18.3MB

Download
memory/3652-39-0x00000000005D0000-0x00000000005E6000-memory.dmp

Filesize
88KB

Download
memory/3652-40-0x0000000005590000-0x0000000005B34000-memory.dmp

Filesize
5.6MB

Download
memory/3652-41-0x00000000051D0000-0x0000000005262000-memory.dmp

Filesize
584KB

Download
memory/3652-42-0x00000000051C0000-0x00000000051CA000-memory.dmp

Filesize
40KB

Download
memory/3652-45-0x0000000006360000-0x00000000063FC000-memory.dmp

Filesize
624KB

Download
memory/3652-46-0x0000000006400000-0x0000000006466000-memory.dmp

Filesize
408KB

Download

Analysis

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