Analysis
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max time kernel
139s -
max time network
122s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
13-04-2021 13:39
Static task
static1
Behavioral task
behavioral1
Sample
Swift.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
Swift.exe
Resource
win10v20210408
General
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Target
Swift.exe
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Size
838KB
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MD5
4832512b0139507f1a4d1a9bcb9858ee
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SHA1
386eac6f001a27066eb01bc5dd89930572b72a95
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SHA256
b59b27b89189fc7fd98bc8f8a70d7d500907439cba4303c1eb812532fa2bc96f
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SHA512
41bc5d6d1debd31c438f92c3acd656ccc5355dbe887cde06b4cb5d6f1a203cb1444757d587eafbcb49e417578f588a8724f38427859c7a63cc31be8cf08fc99b
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
Netplwiz.exeNetplwiz.exepid process 544 Netplwiz.exe 1348 Netplwiz.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Swift.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dcxnxt = "C:\\Users\\Public\\Libraries\\txnxcD.url" Swift.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
Swift.exedescription ioc process File opened (read-only) \??\E: Swift.exe File opened (read-only) \??\M: Swift.exe File opened (read-only) \??\T: Swift.exe File opened (read-only) \??\V: Swift.exe File opened (read-only) \??\X: Swift.exe File opened (read-only) \??\G: Swift.exe File opened (read-only) \??\H: Swift.exe File opened (read-only) \??\R: Swift.exe File opened (read-only) \??\Y: Swift.exe File opened (read-only) \??\Z: Swift.exe File opened (read-only) \??\S: Swift.exe File opened (read-only) \??\U: Swift.exe File opened (read-only) \??\W: Swift.exe File opened (read-only) \??\A: Swift.exe File opened (read-only) \??\J: Swift.exe File opened (read-only) \??\L: Swift.exe File opened (read-only) \??\N: Swift.exe File opened (read-only) \??\O: Swift.exe File opened (read-only) \??\Q: Swift.exe File opened (read-only) \??\B: Swift.exe File opened (read-only) \??\F: Swift.exe File opened (read-only) \??\I: Swift.exe File opened (read-only) \??\K: Swift.exe File opened (read-only) \??\P: Swift.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1148 1468 WerFault.exe secinit.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
WerFault.exepid process 1148 WerFault.exe 1148 WerFault.exe 1148 WerFault.exe 1148 WerFault.exe 1148 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 1148 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 1148 WerFault.exe -
Suspicious use of WriteProcessMemory 28 IoCs
Processes:
Swift.exesecinit.execmd.exedescription pid process target process PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 1468 1748 Swift.exe secinit.exe PID 1748 wrote to memory of 916 1748 Swift.exe cmd.exe PID 1748 wrote to memory of 916 1748 Swift.exe cmd.exe PID 1748 wrote to memory of 916 1748 Swift.exe cmd.exe PID 1748 wrote to memory of 916 1748 Swift.exe cmd.exe PID 1468 wrote to memory of 1148 1468 secinit.exe WerFault.exe PID 1468 wrote to memory of 1148 1468 secinit.exe WerFault.exe PID 1468 wrote to memory of 1148 1468 secinit.exe WerFault.exe PID 1468 wrote to memory of 1148 1468 secinit.exe WerFault.exe PID 916 wrote to memory of 944 916 cmd.exe cmd.exe PID 916 wrote to memory of 944 916 cmd.exe cmd.exe PID 916 wrote to memory of 944 916 cmd.exe cmd.exe PID 916 wrote to memory of 944 916 cmd.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Swift.exe"C:\Users\Admin\AppData\Local\Temp\Swift.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\secinit.exeC:\Windows\System32\secinit.exe2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 1803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Public\stt.bat" "2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K C:\Users\Public\PXOR.bat3⤵
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C:\Windows \System32\Netplwiz.exe"C:\Windows \System32\Netplwiz.exe"4⤵
- Executes dropped EXE
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C:\Windows \System32\Netplwiz.exe"C:\Windows \System32\Netplwiz.exe"4⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Public\NETUTILS.dllMD5
39507d772c63ca496a25a14a8b5d14b2
SHA15b603f5c11eb9ab4313694315b4d4894ff4641d4
SHA25636d1fa474cd8271f9b74b9481025614b6ff309f767f69d9f1ff3960c7205ad12
SHA5120c740fd7b6d67d9938b0d8e1ea7d6c41910dd6d0b85b4ec8b6015ff8c0c73798dee01f01da0b5b0c07038663aca7945faca0e2b5afc1cb751aaba7567d332f5f
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C:\Users\Public\Netplwiz.exeMD5
f94b7fb6dac49844d03c7087b2d8b472
SHA10e84139fced0ee8ef929d0bd5f01559a7dcf1db0
SHA25646e31f337ed0d9a6fe3f159abc91c9b9b6a6062982bbcd84a51784d7128e7ae4
SHA512d63878f94f7699e4cc63c2cd885c29455e0c423d32dba750e4fc3aa74dbaca80a1a4b176719213b9fc6584de6a40cddff7864c7fb4cfba13dfcb437a36e41b80
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C:\Users\Public\PXOR.batMD5
0d8aef656413642f55e0902cc5df5e6f
SHA173ec56d08bd9b3c45d55c97bd1c1286b77c8ff49
SHA256670f94b92f45bc2f3f44a80c7f3021f874aa16fde38ed7d7f3ebed13ae09fa11
SHA512efe690b1bcf06e16be469622b45c98b5dc1f1e06410cbf7e7dccb2975524c4d6bc7e23de9a129d50d73cd924f02e23f925555894f2c7da1064dcc57151f50876
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C:\Users\Public\stt.batMD5
8a850253c31df9a7e1c00c80df2630d5
SHA1e3da74081b027a3b591488b28da22742bcfe8495
SHA2568fdeba3ec903bde700342083d16f72452366aa0b1b30d0e58dee0af74cebfa35
SHA51230510bdc34680a0865a0811d9be29dec91c74717feccd58c9b4d88e77be9e5d13a539806a1b2901aff595b2fe2cc45926b69ed42e899d2dd2913c78a732e84d1
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C:\Windows \System32\Netplwiz.exeMD5
f94b7fb6dac49844d03c7087b2d8b472
SHA10e84139fced0ee8ef929d0bd5f01559a7dcf1db0
SHA25646e31f337ed0d9a6fe3f159abc91c9b9b6a6062982bbcd84a51784d7128e7ae4
SHA512d63878f94f7699e4cc63c2cd885c29455e0c423d32dba750e4fc3aa74dbaca80a1a4b176719213b9fc6584de6a40cddff7864c7fb4cfba13dfcb437a36e41b80
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C:\Windows \System32\Netplwiz.exeMD5
f94b7fb6dac49844d03c7087b2d8b472
SHA10e84139fced0ee8ef929d0bd5f01559a7dcf1db0
SHA25646e31f337ed0d9a6fe3f159abc91c9b9b6a6062982bbcd84a51784d7128e7ae4
SHA512d63878f94f7699e4cc63c2cd885c29455e0c423d32dba750e4fc3aa74dbaca80a1a4b176719213b9fc6584de6a40cddff7864c7fb4cfba13dfcb437a36e41b80
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memory/916-67-0x0000000000000000-mapping.dmp
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memory/944-82-0x0000000002320000-0x0000000002321000-memory.dmpFilesize
4KB
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memory/944-70-0x0000000000000000-mapping.dmp
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memory/1148-83-0x0000000000610000-0x0000000000611000-memory.dmpFilesize
4KB
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memory/1148-68-0x0000000000000000-mapping.dmp
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memory/1468-80-0x00000000001B0000-0x00000000001B1000-memory.dmpFilesize
4KB
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memory/1468-81-0x0000000010670000-0x00000000107C6000-memory.dmpFilesize
1.3MB
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memory/1468-78-0x0000000000100000-0x0000000000101000-memory.dmpFilesize
4KB
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memory/1468-77-0x00000000000C0000-0x00000000000C1000-memory.dmpFilesize
4KB
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memory/1468-65-0x0000000000000000-mapping.dmp
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memory/1748-59-0x00000000001C0000-0x00000000001C1000-memory.dmpFilesize
4KB
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memory/1748-61-0x00000000031E0000-0x00000000031FA000-memory.dmpFilesize
104KB
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memory/1748-64-0x00000000757E1000-0x00000000757E3000-memory.dmpFilesize
8KB