asyncrat | a882ef861459694139040550cc826dda328e30e6a01fc4775e6934e862e8ed39

Analysis

max time kernel
122s
max time network
135s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/11/2024, 16:43

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General

Target

DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe
Size

1.4MB
MD5

ef14f82a4981ca8453f7c3e5cdf89fe9
SHA1

adaf2e1d3fa7b14d1a8031972cba2498fe43af3e
SHA256

e9290645d565611e0bf0aeaf6c07dd719fb668b3a0f442e1245351b79f3f17c8
SHA512

037409e6b148963041aea16ba4f3f6f2b2550dbc99d80135073a2882e4fc642b99b012b9d7db6ecc2bd09427918ca13e89e9706abd8ada6c93002f8f450dc99f
SSDEEP

24576:SC0YSsCCuOA5saQsqr8p1I44Wc4rnIl0cURZojzl/r6pDxTvqgBS+nVA:gOAWjbryqTfGI1UEnlj6pD13xVA

Score

10^/10

asyncrat logan discovery rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7A

Botnet

LOGAN

logann.duckdns.org:6606

Mutex

uuooxuxbnkywum

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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\InheritanceFlags.vbs	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2856 set thread context of 4796	2856	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.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	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2856	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe
Token: SeDebugPrivilege	2856	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe
Token: SeDebugPrivilege	4796	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 4796	2856	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe	31
PID 2856 wrote to memory of 4796	2856	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe	31
PID 2856 wrote to memory of 4796	2856	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe	31
PID 2856 wrote to memory of 4796	2856	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe	31
PID 2856 wrote to memory of 4796	2856	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe	31
PID 2856 wrote to memory of 4796	2856	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe	31
PID 2856 wrote to memory of 4796	2856	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe	31
PID 2856 wrote to memory of 4796	2856	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe	31
PID 2856 wrote to memory of 4796	2856	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe	31
PID 2856 wrote to memory of 4796	2856	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe	31
PID 2856 wrote to memory of 4796	2856	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe	31
PID 2856 wrote to memory of 4796	2856	DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe	31

C:\Users\Admin\AppData\Local\Temp\DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe
"C:\Users\Admin\AppData\Local\Temp\DOCUMENTOS, PROCESO LEGAL ANTE JUZGADO MUNICIPAL 2938724639571290861428214935230984329.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab29A2.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2856-0-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/2856-1-0x0000000000E30000-0x0000000000F9A000-memory.dmp

Filesize
1.4MB

Download
memory/2856-2-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2856-3-0x0000000004E00000-0x0000000004EEA000-memory.dmp

Filesize
936KB

Download
memory/2856-5-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-4-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-15-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-25-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-45-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-57-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-67-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-65-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-63-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-61-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-59-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-55-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-53-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-51-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-49-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-47-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-43-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-41-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-39-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-37-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-35-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-33-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-31-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-29-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-27-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-23-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-21-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-19-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-17-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-13-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-11-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-9-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-7-0x0000000004E00000-0x0000000004EE5000-memory.dmp

Filesize
916KB

Download
memory/2856-1180-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2856-1182-0x0000000004AB0000-0x0000000004AFC000-memory.dmp

Filesize
304KB

Download
memory/2856-1181-0x0000000004670000-0x00000000046CC000-memory.dmp

Filesize
368KB

Download
memory/2856-1183-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/2856-1184-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2856-1185-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2856-1186-0x0000000004C20000-0x0000000004C74000-memory.dmp

Filesize
336KB

Download
memory/2856-1205-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/4796-1204-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4796-1206-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/4796-1207-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/4796-1224-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download