Analysis
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max time kernel
152s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
30-03-2024 11:43
Static task
static1
Behavioral task
behavioral1
Sample
3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe
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Size
716KB
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MD5
3b1732d4f0220b0dc1b6afa25f30f0c5
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SHA1
0c582543ee36931d59ecfbc4d266751f79dfac62
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SHA256
d951a04002bfca7275d860f6f4ea6572939488c8791a9d6564137304bc534fcf
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SHA512
72787d8f0e8d9572af879a4073fcf40606b9d1fab3a26a3a2b48cd12e47f6e01ac02275c6ce9bdb7204edf8722b6422e267d95dc5683beee45c0bfc9ca0ebda9
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SSDEEP
12288:YSGQ6/NInfYTy0I4DU1kTWI4buOeBEN6PXnwfqGUu9RpctEXZ6vEU9LT0h:LZfYuzEUAWwfRXn5o+Rs+kh
Malware Config
Extracted
remcos
3.3.0 Pro
RemoteHost
salford1.ddns.net:2404
salford2.ddns.net:2404
salford3.ddns.net:2404
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audio_folder
MicRecords
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audio_path
%AppData%
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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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install_path
%AppData%
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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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keylog_path
%AppData%
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mouse_option
false
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mutex
Remcos-EOP31A
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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
Remcos
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take_screenshot_option
false
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take_screenshot_time
5
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take_screenshot_title
wikipedia;solitaire;
Signatures
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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-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3116 set thread context of 4788 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.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 4564 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 2896 powershell.exe 2896 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe Token: SeDebugPrivilege 2896 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4788 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3116 wrote to memory of 2896 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 97 PID 3116 wrote to memory of 2896 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 97 PID 3116 wrote to memory of 2896 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 97 PID 3116 wrote to memory of 4564 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 99 PID 3116 wrote to memory of 4564 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 99 PID 3116 wrote to memory of 4564 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 99 PID 3116 wrote to memory of 4788 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 100 PID 3116 wrote to memory of 4788 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 100 PID 3116 wrote to memory of 4788 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 100 PID 3116 wrote to memory of 4788 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 100 PID 3116 wrote to memory of 4788 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 100 PID 3116 wrote to memory of 4788 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 100 PID 3116 wrote to memory of 4788 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 100 PID 3116 wrote to memory of 4788 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 100 PID 3116 wrote to memory of 4788 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 100 PID 3116 wrote to memory of 4788 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 100 PID 3116 wrote to memory of 4788 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 100 PID 3116 wrote to memory of 4788 3116 3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3116 -
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\3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2896
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ESxaCYxjHn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA43A.tmp"2⤵
- Creates scheduled task(s)
PID:4564
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C:\Users\Admin\AppData\Local\Temp\3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3b1732d4f0220b0dc1b6afa25f30f0c5_JaffaCakes118.exe"2⤵
- Suspicious use of SetWindowsHookEx
PID:4788
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
148B
MD5488daff6a7ea8a079be6f04854397c10
SHA1dca2d409b3f937733573da800493c8bfa6030cdd
SHA256bef678a538825a408fe2090c00f4c68d90a94ebc6704472d175d2374c3f9ca02
SHA512e99ce139f697f4d47534d6094d4f4e2a0ccaba11caec9581eee611e23bda2e556511b2c4d1876829ea2122344ecc71cdfdda25e45bf90ff16bab33fc35f71a8a