Analysis
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max time kernel
110s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
27-01-2023 07:14
Static task
static1
Behavioral task
behavioral1
Sample
7034c12131cc2e28fcf9235850a36b08e9983dce.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
7034c12131cc2e28fcf9235850a36b08e9983dce.exe
Resource
win10v2004-20221111-en
General
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Target
7034c12131cc2e28fcf9235850a36b08e9983dce.exe
-
Size
7KB
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MD5
1c72fb093ace75fffb093c6541ff4940
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SHA1
7034c12131cc2e28fcf9235850a36b08e9983dce
-
SHA256
f00982603a693995cf32649df28ac390ce839638751f04d11517454466061785
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SHA512
4d713c85e2b5a818e3f5db4c7b59a820bb309c911825670b540597c9faa9d931f5648d054e19a01a48f7c97bae6dfe67b02148fb3ad58ddafdd11bb06f8a59ed
-
SSDEEP
96:lTlsnKYgr+QLZCMqm18WQ2juY+wq+Df/8tEkajtR/zNt:lpQELZCMqmXjuZ+z8zaj7p
Malware Config
Extracted
remcos
28282
194.180.49.17:28282
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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
gqhwjekrltlu-TOU33Q
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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
-
take_screenshot_option
false
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take_screenshot_time
5
Signatures
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Detect PureCrypter injector 1 IoCs
Processes:
resource yara_rule behavioral1/memory/932-56-0x00000000062F0000-0x000000000658C000-memory.dmp family_purecrypter -
PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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Deletes itself 1 IoCs
Processes:
WScript.exepid process 828 WScript.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
7034c12131cc2e28fcf9235850a36b08e9983dce.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Eesibjdz = "\"C:\\Users\\Admin\\AppData\\Roaming\\Gngrey\\Eesibjdz.exe\"" 7034c12131cc2e28fcf9235850a36b08e9983dce.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
7034c12131cc2e28fcf9235850a36b08e9983dce.exedescription pid process target process PID 932 set thread context of 428 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe 7034c12131cc2e28fcf9235850a36b08e9983dce.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 1796 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
7034c12131cc2e28fcf9235850a36b08e9983dce.exepowershell.exedescription pid process Token: SeDebugPrivilege 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe Token: SeDebugPrivilege 1796 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
7034c12131cc2e28fcf9235850a36b08e9983dce.exe7034c12131cc2e28fcf9235850a36b08e9983dce.exedescription pid process target process PID 932 wrote to memory of 1796 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe powershell.exe PID 932 wrote to memory of 1796 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe powershell.exe PID 932 wrote to memory of 1796 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe powershell.exe PID 932 wrote to memory of 1796 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe powershell.exe PID 932 wrote to memory of 428 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe 7034c12131cc2e28fcf9235850a36b08e9983dce.exe PID 932 wrote to memory of 428 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe 7034c12131cc2e28fcf9235850a36b08e9983dce.exe PID 932 wrote to memory of 428 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe 7034c12131cc2e28fcf9235850a36b08e9983dce.exe PID 932 wrote to memory of 428 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe 7034c12131cc2e28fcf9235850a36b08e9983dce.exe PID 932 wrote to memory of 428 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe 7034c12131cc2e28fcf9235850a36b08e9983dce.exe PID 932 wrote to memory of 428 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe 7034c12131cc2e28fcf9235850a36b08e9983dce.exe PID 932 wrote to memory of 428 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe 7034c12131cc2e28fcf9235850a36b08e9983dce.exe PID 932 wrote to memory of 428 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe 7034c12131cc2e28fcf9235850a36b08e9983dce.exe PID 932 wrote to memory of 428 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe 7034c12131cc2e28fcf9235850a36b08e9983dce.exe PID 932 wrote to memory of 428 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe 7034c12131cc2e28fcf9235850a36b08e9983dce.exe PID 932 wrote to memory of 428 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe 7034c12131cc2e28fcf9235850a36b08e9983dce.exe PID 932 wrote to memory of 428 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe 7034c12131cc2e28fcf9235850a36b08e9983dce.exe PID 932 wrote to memory of 428 932 7034c12131cc2e28fcf9235850a36b08e9983dce.exe 7034c12131cc2e28fcf9235850a36b08e9983dce.exe PID 428 wrote to memory of 828 428 7034c12131cc2e28fcf9235850a36b08e9983dce.exe WScript.exe PID 428 wrote to memory of 828 428 7034c12131cc2e28fcf9235850a36b08e9983dce.exe WScript.exe PID 428 wrote to memory of 828 428 7034c12131cc2e28fcf9235850a36b08e9983dce.exe WScript.exe PID 428 wrote to memory of 828 428 7034c12131cc2e28fcf9235850a36b08e9983dce.exe WScript.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe"C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exeC:\Users\Admin\AppData\Local\Temp\7034c12131cc2e28fcf9235850a36b08e9983dce.exe2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\eetndjzmkazhbaoihvjt.vbs"3⤵
- Deletes itself
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\eetndjzmkazhbaoihvjt.vbsFilesize
632B
MD52a1ea020599f14208dc31d83daaf0810
SHA1496ebadfda0d489b31dfcd278bfac8409d5dc0e0
SHA256aaa5f90bdf2b7143c035481d4e27b79b3015ed91c9e9a557f7d49acebf174228
SHA512730be93a0494db7e1dae1a8901b1e16daa89ec140f129fd45d240763f7e8ed6530bafee5983bdbb46bc4bc8db7dc4811e5a6861d12dc9127afaf691ad5f53883
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memory/428-79-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-63-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-71-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-69-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-83-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-73-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-81-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-75-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-64-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-68-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-80-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-76-0x0000000000432C26-mapping.dmp
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memory/428-70-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/428-66-0x0000000000400000-0x000000000047F000-memory.dmpFilesize
508KB
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memory/828-82-0x0000000000000000-mapping.dmp
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memory/932-62-0x00000000057F0000-0x0000000005870000-memory.dmpFilesize
512KB
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memory/932-55-0x0000000076771000-0x0000000076773000-memory.dmpFilesize
8KB
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memory/932-54-0x0000000000DE0000-0x0000000000DE8000-memory.dmpFilesize
32KB
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memory/932-56-0x00000000062F0000-0x000000000658C000-memory.dmpFilesize
2.6MB
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memory/1796-57-0x0000000000000000-mapping.dmp
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memory/1796-61-0x000000006F670000-0x000000006FC1B000-memory.dmpFilesize
5.7MB
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memory/1796-60-0x000000006F670000-0x000000006FC1B000-memory.dmpFilesize
5.7MB
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memory/1796-59-0x000000006F670000-0x000000006FC1B000-memory.dmpFilesize
5.7MB