Analysis
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max time kernel
153s -
max time network
145s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
06-05-2021 07:30
Static task
static1
Behavioral task
behavioral1
Sample
f6dc84a64d99e09993ed396dc2dd5b80.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
f6dc84a64d99e09993ed396dc2dd5b80.exe
Resource
win10v20210410
General
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Target
f6dc84a64d99e09993ed396dc2dd5b80.exe
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Size
1.2MB
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MD5
f6dc84a64d99e09993ed396dc2dd5b80
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SHA1
e36d570d720afc692a7c3f6e2e8cfac89448a54c
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SHA256
0e67ac2d835d51975b1f8cde8ab3eacfa184fd4dad00b83632f214740c0a94c2
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SHA512
9b1ef8710707bef6dc625c70514fd692e18d16ba42dcc83f7ecb85ddff5db863826eb8e0618783c3e51cf0ec27f0ede29bee5ad978ced30f7eaec37642d534a6
Malware Config
Extracted
remcos
gsyagvxnzmkoplbhduisbagtevcnxmzlopljdgye.ydns.eu:2177
Signatures
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Executes dropped EXE 4 IoCs
Processes:
win.exewin.exewin.exewin.exepid process 1404 win.exe 1900 win.exe 1160 win.exe 1508 win.exe -
Loads dropped DLL 1 IoCs
Processes:
cmd.exepid process 1644 cmd.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
win.exef6dc84a64d99e09993ed396dc2dd5b80.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\ win.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\win = "\"C:\\Users\\Admin\\AppData\\Roaming\\win.exe\"" win.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\ f6dc84a64d99e09993ed396dc2dd5b80.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\win = "\"C:\\Users\\Admin\\AppData\\Roaming\\win.exe\"" f6dc84a64d99e09993ed396dc2dd5b80.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
f6dc84a64d99e09993ed396dc2dd5b80.exewin.exedescription pid process target process PID 1652 set thread context of 1732 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1404 set thread context of 1508 1404 win.exe win.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 6 IoCs
Processes:
f6dc84a64d99e09993ed396dc2dd5b80.exewin.exepid process 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe 1404 win.exe 1404 win.exe 1404 win.exe 1404 win.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
f6dc84a64d99e09993ed396dc2dd5b80.exewin.exedescription pid process Token: SeDebugPrivilege 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe Token: SeDebugPrivilege 1404 win.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
win.exepid process 1508 win.exe -
Suspicious use of WriteProcessMemory 46 IoCs
Processes:
f6dc84a64d99e09993ed396dc2dd5b80.exef6dc84a64d99e09993ed396dc2dd5b80.exeWScript.execmd.exewin.exedescription pid process target process PID 1652 wrote to memory of 1672 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1652 wrote to memory of 1672 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1652 wrote to memory of 1672 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1652 wrote to memory of 1672 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1652 wrote to memory of 1732 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1652 wrote to memory of 1732 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1652 wrote to memory of 1732 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1652 wrote to memory of 1732 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1652 wrote to memory of 1732 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1652 wrote to memory of 1732 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1652 wrote to memory of 1732 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1652 wrote to memory of 1732 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1652 wrote to memory of 1732 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1652 wrote to memory of 1732 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1652 wrote to memory of 1732 1652 f6dc84a64d99e09993ed396dc2dd5b80.exe f6dc84a64d99e09993ed396dc2dd5b80.exe PID 1732 wrote to memory of 1032 1732 f6dc84a64d99e09993ed396dc2dd5b80.exe WScript.exe PID 1732 wrote to memory of 1032 1732 f6dc84a64d99e09993ed396dc2dd5b80.exe WScript.exe PID 1732 wrote to memory of 1032 1732 f6dc84a64d99e09993ed396dc2dd5b80.exe WScript.exe PID 1732 wrote to memory of 1032 1732 f6dc84a64d99e09993ed396dc2dd5b80.exe WScript.exe PID 1032 wrote to memory of 1644 1032 WScript.exe cmd.exe PID 1032 wrote to memory of 1644 1032 WScript.exe cmd.exe PID 1032 wrote to memory of 1644 1032 WScript.exe cmd.exe PID 1032 wrote to memory of 1644 1032 WScript.exe cmd.exe PID 1644 wrote to memory of 1404 1644 cmd.exe win.exe PID 1644 wrote to memory of 1404 1644 cmd.exe win.exe PID 1644 wrote to memory of 1404 1644 cmd.exe win.exe PID 1644 wrote to memory of 1404 1644 cmd.exe win.exe PID 1404 wrote to memory of 1900 1404 win.exe win.exe PID 1404 wrote to memory of 1900 1404 win.exe win.exe PID 1404 wrote to memory of 1900 1404 win.exe win.exe PID 1404 wrote to memory of 1900 1404 win.exe win.exe PID 1404 wrote to memory of 1160 1404 win.exe win.exe PID 1404 wrote to memory of 1160 1404 win.exe win.exe PID 1404 wrote to memory of 1160 1404 win.exe win.exe PID 1404 wrote to memory of 1160 1404 win.exe win.exe PID 1404 wrote to memory of 1508 1404 win.exe win.exe PID 1404 wrote to memory of 1508 1404 win.exe win.exe PID 1404 wrote to memory of 1508 1404 win.exe win.exe PID 1404 wrote to memory of 1508 1404 win.exe win.exe PID 1404 wrote to memory of 1508 1404 win.exe win.exe PID 1404 wrote to memory of 1508 1404 win.exe win.exe PID 1404 wrote to memory of 1508 1404 win.exe win.exe PID 1404 wrote to memory of 1508 1404 win.exe win.exe PID 1404 wrote to memory of 1508 1404 win.exe win.exe PID 1404 wrote to memory of 1508 1404 win.exe win.exe PID 1404 wrote to memory of 1508 1404 win.exe win.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f6dc84a64d99e09993ed396dc2dd5b80.exe"C:\Users\Admin\AppData\Local\Temp\f6dc84a64d99e09993ed396dc2dd5b80.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\f6dc84a64d99e09993ed396dc2dd5b80.exe"C:\Users\Admin\AppData\Local\Temp\f6dc84a64d99e09993ed396dc2dd5b80.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\f6dc84a64d99e09993ed396dc2dd5b80.exe"C:\Users\Admin\AppData\Local\Temp\f6dc84a64d99e09993ed396dc2dd5b80.exe"2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\win.exe"4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\win.exeC:\Users\Admin\AppData\Roaming\win.exe5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\win.exe"C:\Users\Admin\AppData\Roaming\win.exe"6⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Roaming\win.exe"C:\Users\Admin\AppData\Roaming\win.exe"6⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Roaming\win.exe"C:\Users\Admin\AppData\Roaming\win.exe"6⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\install.vbsMD5
4a74e626596d6e66b4bbc59ee6848f2d
SHA1047849ac8735ecc0943428c7cd5e00b52eee06ed
SHA25698bd6dc219a7a3e04d3d67bbec9f0b4d4640831a3a6be0a0078b050041088b0e
SHA5121cd943482d0f1ce2ffaf6ee4a82895e4d57c52051bb14bbda0548cf072b4c5cbe719d2cdb549b5ae7c0241dd9c68dd9d1674acd26aed684b8145500079cc5403
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C:\Users\Admin\AppData\Roaming\win.exeMD5
f6dc84a64d99e09993ed396dc2dd5b80
SHA1e36d570d720afc692a7c3f6e2e8cfac89448a54c
SHA2560e67ac2d835d51975b1f8cde8ab3eacfa184fd4dad00b83632f214740c0a94c2
SHA5129b1ef8710707bef6dc625c70514fd692e18d16ba42dcc83f7ecb85ddff5db863826eb8e0618783c3e51cf0ec27f0ede29bee5ad978ced30f7eaec37642d534a6
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C:\Users\Admin\AppData\Roaming\win.exeMD5
f6dc84a64d99e09993ed396dc2dd5b80
SHA1e36d570d720afc692a7c3f6e2e8cfac89448a54c
SHA2560e67ac2d835d51975b1f8cde8ab3eacfa184fd4dad00b83632f214740c0a94c2
SHA5129b1ef8710707bef6dc625c70514fd692e18d16ba42dcc83f7ecb85ddff5db863826eb8e0618783c3e51cf0ec27f0ede29bee5ad978ced30f7eaec37642d534a6
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C:\Users\Admin\AppData\Roaming\win.exeMD5
f6dc84a64d99e09993ed396dc2dd5b80
SHA1e36d570d720afc692a7c3f6e2e8cfac89448a54c
SHA2560e67ac2d835d51975b1f8cde8ab3eacfa184fd4dad00b83632f214740c0a94c2
SHA5129b1ef8710707bef6dc625c70514fd692e18d16ba42dcc83f7ecb85ddff5db863826eb8e0618783c3e51cf0ec27f0ede29bee5ad978ced30f7eaec37642d534a6
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C:\Users\Admin\AppData\Roaming\win.exeMD5
f6dc84a64d99e09993ed396dc2dd5b80
SHA1e36d570d720afc692a7c3f6e2e8cfac89448a54c
SHA2560e67ac2d835d51975b1f8cde8ab3eacfa184fd4dad00b83632f214740c0a94c2
SHA5129b1ef8710707bef6dc625c70514fd692e18d16ba42dcc83f7ecb85ddff5db863826eb8e0618783c3e51cf0ec27f0ede29bee5ad978ced30f7eaec37642d534a6
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C:\Users\Admin\AppData\Roaming\win.exeMD5
f6dc84a64d99e09993ed396dc2dd5b80
SHA1e36d570d720afc692a7c3f6e2e8cfac89448a54c
SHA2560e67ac2d835d51975b1f8cde8ab3eacfa184fd4dad00b83632f214740c0a94c2
SHA5129b1ef8710707bef6dc625c70514fd692e18d16ba42dcc83f7ecb85ddff5db863826eb8e0618783c3e51cf0ec27f0ede29bee5ad978ced30f7eaec37642d534a6
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\Users\Admin\AppData\Roaming\win.exeMD5
f6dc84a64d99e09993ed396dc2dd5b80
SHA1e36d570d720afc692a7c3f6e2e8cfac89448a54c
SHA2560e67ac2d835d51975b1f8cde8ab3eacfa184fd4dad00b83632f214740c0a94c2
SHA5129b1ef8710707bef6dc625c70514fd692e18d16ba42dcc83f7ecb85ddff5db863826eb8e0618783c3e51cf0ec27f0ede29bee5ad978ced30f7eaec37642d534a6
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memory/1032-67-0x0000000000000000-mapping.dmp
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memory/1404-79-0x0000000004E00000-0x0000000004E01000-memory.dmpFilesize
4KB
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memory/1404-74-0x0000000000000000-mapping.dmp
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memory/1404-76-0x0000000000090000-0x0000000000091000-memory.dmpFilesize
4KB
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memory/1508-83-0x0000000000413FA4-mapping.dmp
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memory/1508-86-0x0000000000400000-0x0000000000422000-memory.dmpFilesize
136KB
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memory/1644-71-0x0000000000000000-mapping.dmp
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memory/1652-60-0x00000000008E0000-0x00000000008E1000-memory.dmpFilesize
4KB
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memory/1652-63-0x0000000004FA0000-0x0000000004FA1000-memory.dmpFilesize
4KB
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memory/1652-62-0x00000000002E0000-0x000000000030B000-memory.dmpFilesize
172KB
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memory/1732-70-0x0000000000400000-0x0000000000422000-memory.dmpFilesize
136KB
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memory/1732-66-0x00000000754F1000-0x00000000754F3000-memory.dmpFilesize
8KB
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memory/1732-65-0x0000000000413FA4-mapping.dmp
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memory/1732-64-0x0000000000400000-0x0000000000422000-memory.dmpFilesize
136KB