Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-12-2024 21:29
Static task
static1
Behavioral task
behavioral1
Sample
3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe
Resource
win7-20240903-en
General
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Target
3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe
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Size
893KB
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MD5
205f6af195f367a1f6f0d3e591c7d226
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SHA1
883e78287a64bac5435beada7b5f283c11df9a8f
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SHA256
3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a
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SHA512
defce7df2c8b0fcfc6cd93bad5736e0262c616e4a75647619382b064604ea3fc785832ea40c0e84006817110d2fca6f4ae461011ad70699231c4a614c6fc87c2
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SSDEEP
24576:WNo7gN9rqhq/5UqutCi1BDUTskujqA5pd6p3MFHdIvYV/:QL2hq/6q1i1h4v3A5pdSOWvY1
Malware Config
Extracted
remcos
cee
cee.work.gd:2531
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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
vlc
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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
true
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
ios
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mouse_option
false
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mutex
gig-1IH5DX
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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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startup_value
sos
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take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Remcos family
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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 1168 powershell.exe 3192 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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3548 set thread context of 3884 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 106 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.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 schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 924 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
pid Process 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 3192 powershell.exe 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 1168 powershell.exe 3192 powershell.exe 1168 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe Token: SeDebugPrivilege 3192 powershell.exe Token: SeDebugPrivilege 1168 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3884 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 3548 wrote to memory of 1168 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 100 PID 3548 wrote to memory of 1168 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 100 PID 3548 wrote to memory of 1168 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 100 PID 3548 wrote to memory of 3192 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 102 PID 3548 wrote to memory of 3192 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 102 PID 3548 wrote to memory of 3192 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 102 PID 3548 wrote to memory of 924 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 104 PID 3548 wrote to memory of 924 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 104 PID 3548 wrote to memory of 924 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 104 PID 3548 wrote to memory of 3884 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 106 PID 3548 wrote to memory of 3884 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 106 PID 3548 wrote to memory of 3884 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 106 PID 3548 wrote to memory of 3884 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 106 PID 3548 wrote to memory of 3884 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 106 PID 3548 wrote to memory of 3884 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 106 PID 3548 wrote to memory of 3884 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 106 PID 3548 wrote to memory of 3884 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 106 PID 3548 wrote to memory of 3884 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 106 PID 3548 wrote to memory of 3884 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 106 PID 3548 wrote to memory of 3884 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 106 PID 3548 wrote to memory of 3884 3548 3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe"C:\Users\Admin\AppData\Local\Temp\3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3548 -
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\3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1168
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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\xASiLfzXONGIW.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3192
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xASiLfzXONGIW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2268.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:924
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C:\Users\Admin\AppData\Local\Temp\3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe"C:\Users\Admin\AppData\Local\Temp\3fc3e4fb5fe0f470d30dd3fe84267348263f425e02bc757a0b35f4fb0bb4806a.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3884
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144B
MD52200b317dfbd8a5ac5ef47baf4b0f100
SHA1c4e4724f7ae6a51effd5de4aec950caa3cb91c4d
SHA256cb9649ccda72da85f455ca34c805285ff8d0bcdf41c24fa0fb439d85dd128350
SHA51244e2c2996b706e7e61b92481e1bd12bc5b5fedd18163bac34c96cd7a90c28114e7de5b80619b66380c0fdbc6940f5be5617f8dc4946d053157de831b7962eaa8
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD570c75bdf2d3fcd0c2fe828600c05842b
SHA18bee5365cba1335bac3ba924f9738c81c9053a2c
SHA25610e0f1a5d139a3a18cc55eda6dc2bfc1ce29211f8e04cb5ad41eb286aeafdb75
SHA5125a3de4d402aba58c89f7a964ec90dbbcf81ea2c9e346ac9d435276267521db37a2602bd1b1403bc523d5834846e5547acc2da4cdb73dd1d1f4fe46fd234de612