Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
06/04/2024, 14:34
General
- Target e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe
- Size 1019KB
- Sample240406-rxvceada83
- SHA256 d660500c553676fcad1d6b2847022578ed20676190b5ed5687cd15d19e98e862
Malware Config
Extracted
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remcos
-
3.2.0 Pro
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RemoteHost
-
45.137.22.101:5888
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audio_folder
MicRecords
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audio_path
%AppData%
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audio_record_time
5
-
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
-
hide_file
false
-
hide_keylog_file
false
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install_flag
false
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install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
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keylog_flag
false
-
keylog_folder
remcos
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keylog_path
%AppData%
-
mouse_option
false
-
mutex
Remcos-N9SJBV
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screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
-
startup_value
Remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
-
take_screenshot_title
notepad;solitaire;
Signatures
- Remcos
Remcos is a closed-source remote control and surveillance software.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e2c06a71d3e93dbad9029c875221aa9d_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XzZiyvVk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD3DA.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmpD3DA.tmp
memory/2200-10-0x0000000006710000-0x00000000067DE000-memory.dmp
memory/2200-11-0x0000000008D30000-0x0000000008DA8000-memory.dmp
memory/2200-3-0x0000000004D50000-0x0000000004DE2000-memory.dmp
memory/2200-0-0x0000000000230000-0x0000000000336000-memory.dmp
memory/2200-5-0x0000000004F80000-0x0000000004F90000-memory.dmp
memory/2200-6-0x0000000004CF0000-0x0000000004CFA000-memory.dmp
memory/2200-7-0x0000000005010000-0x0000000005028000-memory.dmp
memory/2200-8-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/2200-2-0x0000000005260000-0x0000000005804000-memory.dmp
memory/2200-9-0x0000000004F80000-0x0000000004F90000-memory.dmp
memory/2200-4-0x0000000004DF0000-0x0000000004E8C000-memory.dmp
memory/2200-1-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/2200-21-0x0000000074E20000-0x00000000755D0000-memory.dmp
memory/4836-17-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4836-20-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4836-22-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4836-18-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4836-23-0x0000000000400000-0x0000000000479000-memory.dmp
memory/4836-24-0x0000000000400000-0x0000000000479000-memory.dmp