Analysis
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max time kernel
147s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
26-05-2024 21:46
Static task
static1
Behavioral task
behavioral1
Sample
53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
Resource
win7-20240508-en
General
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Target
53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe
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Size
1.1MB
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MD5
77e3e093c61c0e2ca41f47a470e74f31
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SHA1
c1de740d11d19016caa74c6667b63d85bb765a9f
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SHA256
53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d
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SHA512
fe88fc3a873b33e0f3838f5d9067e1166d8b735e2a596f5a166be47bfc6b9fdf002faf459bc088ea11c35c826aff6c0eacc0e560894ee08451d9828a38b99a8f
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SSDEEP
24576:XIGqgFOl3M0XmHxT+3A2U8REKt6csqfa+d+Dih:FFOSDt+QuWKvswjX
Malware Config
Extracted
remcos
AQUAFINA
december2n.duckdns.org:6241
december2nd.ddns.net:6241
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audio_folder
MicRecords
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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mouse_option
false
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mutex
Rmc-5TYRFW
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 26 IoCs
resource yara_rule behavioral2/memory/1736-47-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-49-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-51-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-52-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-55-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-56-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-96-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-97-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-98-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-99-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-100-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-101-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-103-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-102-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-104-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-105-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-106-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-107-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-108-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-109-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-110-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-111-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-112-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-113-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-114-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM behavioral2/memory/1736-115-0x0000000000400000-0x0000000000482000-memory.dmp INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM -
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4100 powershell.exe 4708 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1112 set thread context of 1736 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 100 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4344 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 4100 powershell.exe 4708 powershell.exe 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 4100 powershell.exe 4708 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe Token: SeDebugPrivilege 4100 powershell.exe Token: SeDebugPrivilege 4708 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1112 wrote to memory of 4100 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 94 PID 1112 wrote to memory of 4100 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 94 PID 1112 wrote to memory of 4100 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 94 PID 1112 wrote to memory of 4708 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 96 PID 1112 wrote to memory of 4708 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 96 PID 1112 wrote to memory of 4708 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 96 PID 1112 wrote to memory of 4344 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 98 PID 1112 wrote to memory of 4344 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 98 PID 1112 wrote to memory of 4344 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 98 PID 1112 wrote to memory of 1736 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 100 PID 1112 wrote to memory of 1736 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 100 PID 1112 wrote to memory of 1736 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 100 PID 1112 wrote to memory of 1736 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 100 PID 1112 wrote to memory of 1736 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 100 PID 1112 wrote to memory of 1736 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 100 PID 1112 wrote to memory of 1736 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 100 PID 1112 wrote to memory of 1736 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 100 PID 1112 wrote to memory of 1736 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 100 PID 1112 wrote to memory of 1736 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 100 PID 1112 wrote to memory of 1736 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 100 PID 1112 wrote to memory of 1736 1112 53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe"C:\Users\Admin\AppData\Local\Temp\53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\53893a8c0f205e7f0c96f045a6f7bce683bde52b4a692fc64075f863cd8f3c3d.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4100
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UXatlomLO.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4708
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UXatlomLO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB2B6.tmp"2⤵
- Creates scheduled task(s)
PID:4344
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵PID:1736
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5b76c89c5e6c116d5453bfcfe23b077e2
SHA1da11bd18fc0e390a0190f8379977227c84cc35e4
SHA256aff4f9bafa9c43346abbfbb5f1aab81aa7eafe335dd64018fb8ab400d2737ff2
SHA5124b943d041a3708764ab2c4a5f50ff0bd959d085ee24c922088695d9b041d10c46598d100132f2c52424a3bf826e5b6358ace2a9f924f1952a29dea36ac9797f8
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD55f9326ae46244241e150c5ba51875557
SHA13bfede1654a59b66fd569dc40653f6317b0f42e5
SHA256543ac0f1db5b0922d4cdc6716c26905121f6629ee56863b0a2a85d89575c63c9
SHA51245a23dc6754539f1cf1c42d976539fe32bf2f1f6da7039a95ae1102cd8ce84f15445117ee1eeb5676fd368ade9ee88b36a401c138b359d60d36a1b961e7ba480