asyncrat | a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02/06/2024, 13:26

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General

Target
a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
Size 63KB
Sample240602-qp2abaec43
SHA256 a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243
MD5 0ee060baaff3a8bca5b128a48c7fae05
SHA1 6469a7119a4a675a0ff228a76a59c9125a19f6a9
SHA512 cceef179d14892af12e8e53b6b8ed2569c6486a8b5447d17add393e1341bff698d1cc8a01f773e6f36369aaee7492ac8967242fa4fb0c2e9564102726db6caf0
SSDEEP 1536:uq5U86wobw3KUblh9l4N4i/EuukdpqKmY7:uf8TDKUbl+/jGz
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

asyncrat default rat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

true-foot.gl.at.ply.gg:7416

Attributes

delay
1
install
true
install_file
IDUX.exe
install_folder
%AppData%

aes.plain

Signatures

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

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x0010000000021f87-11.dat	family_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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	IDUX.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
4980	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4932	timeout.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe
2704	IDUX.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
Token: SeDebugPrivilege	3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
Token: SeDebugPrivilege	2704	IDUX.exe
Token: SeDebugPrivilege	2704	IDUX.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3948 wrote to memory of 2236	3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe	87
PID 3948 wrote to memory of 2236	3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe	87
PID 3948 wrote to memory of 2468	3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe	89
PID 3948 wrote to memory of 2468	3948	a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe	89
PID 2468 wrote to memory of 4932	2468	cmd.exe	91
PID 2468 wrote to memory of 4932	2468	cmd.exe	91
PID 2236 wrote to memory of 4980	2236	cmd.exe	94
PID 2236 wrote to memory of 4980	2236	cmd.exe	94
PID 2468 wrote to memory of 2704	2468	cmd.exe	96
PID 2468 wrote to memory of 2704	2468	cmd.exe	96

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe
"C:\Users\Admin\AppData\Local\Temp\a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3948
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "IDUX" /tr '"C:\Users\Admin\AppData\Roaming\IDUX.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2236
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "IDUX" /tr '"C:\Users\Admin\AppData\Roaming\IDUX.exe"'
    3⤵
    - Creates scheduled task(s)
    PID:4980
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4798.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2468
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4932
- - C:\Users\Admin\AppData\Roaming\IDUX.exe
    "C:\Users\Admin\AppData\Roaming\IDUX.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp4798.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\tmp4798.tmp.bat
Size 148B
SHA256 6f65d59828f02ef8ced1c64b44d59a474269cf659dffd554d08dca8b532183cd
MD5 f1dcc7a61377e4d2e6919fd8e9617832
SHA1 53e614694e4ebcfeaeca518d9c4e93e11a8a3e78
SHA512 b3caec4feaa1209970601a832a795f1ee449629d43df1fa6a8449d06c29c960598ffd1a6c01b2507f96ba6f3ecf2eeba36e43a90e0f47d7a210c77ca0bb3da8a
MD5 SHA1 SHA512

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IDUX.exe

Path C:\Users\Admin\AppData\Roaming\IDUX.exe
Size 63KB
SHA256 a2295f8724805d78c537dd0750a0e777534013d5aad7472923e56e2b63135243
MD5 0ee060baaff3a8bca5b128a48c7fae05
SHA1 6469a7119a4a675a0ff228a76a59c9125a19f6a9
SHA512 cceef179d14892af12e8e53b6b8ed2569c6486a8b5447d17add393e1341bff698d1cc8a01f773e6f36369aaee7492ac8967242fa4fb0c2e9564102726db6caf0
SSDEEP 1536:uq5U86wobw3KUblh9l4N4i/EuukdpqKmY7:uf8TDKUbl+/jGz
MD5 SHA1 SHA512 SSDEEP

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memory/2704-16-0x000000001C110000-0x000000001C144000-memory.dmp

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memory/2704-15-0x000000001D6D0000-0x000000001D746000-memory.dmp

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memory/2704-17-0x000000001D670000-0x000000001D68E000-memory.dmp

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memory/3948-0-0x00007FFD4F1B3000-0x00007FFD4F1B5000-memory.dmp

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memory/3948-1-0x00000000008F0000-0x0000000000906000-memory.dmp

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memory/3948-2-0x00007FFD4F1B0000-0x00007FFD4FC71000-memory.dmp

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memory/3948-7-0x00007FFD4F1B0000-0x00007FFD4FC71000-memory.dmp

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memory/3948-8-0x00007FFD4F1B0000-0x00007FFD4FC71000-memory.dmp

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