Analysis
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max time kernel
135s -
max time network
64s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
25-05-2021 20:05
Static task
static1
Behavioral task
behavioral1
Sample
efdf40bde5e0cd0425d4f7502a6b6bda.exe
Resource
win7v20210410
General
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Target
efdf40bde5e0cd0425d4f7502a6b6bda.exe
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Size
6.1MB
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MD5
efdf40bde5e0cd0425d4f7502a6b6bda
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SHA1
40bb8a8d576f28457988689dddf8ca195fd4fcb6
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SHA256
7aabc1c8dad1b93dccaf30cc415e236f71d324e410af1ab2114de412e565d55b
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SHA512
2c4b9f080c51d45e60db39d06cc55ee62d32e4782f1ca29e06392f26bbc61f1cdc52717be5250487c2215d8b00b7932cd111f65575df0b8347c6a31968b6cd3a
Malware Config
Extracted
danabot
1827
3
184.95.51.183:443
184.95.51.175:443
192.210.198.12:443
184.95.51.180:443
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embedded_hash
AEF96B4D339B580ABB737F203C2D0F52
Signatures
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Blocklisted process makes network request 4 IoCs
Processes:
RUNDLL32.EXEflow pid process 4 784 RUNDLL32.EXE 5 784 RUNDLL32.EXE 6 784 RUNDLL32.EXE 7 784 RUNDLL32.EXE -
Deletes itself 1 IoCs
Processes:
rundll32.exepid process 1520 rundll32.exe -
Loads dropped DLL 8 IoCs
Processes:
rundll32.exeRUNDLL32.EXEpid process 1520 rundll32.exe 1520 rundll32.exe 1520 rundll32.exe 1520 rundll32.exe 784 RUNDLL32.EXE 784 RUNDLL32.EXE 784 RUNDLL32.EXE 784 RUNDLL32.EXE -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops desktop.ini file(s) 4 IoCs
Processes:
RUNDLL32.EXEdescription ioc process File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\SLC8MVWU\desktop.ini RUNDLL32.EXE File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\AJ1NIV9I\desktop.ini RUNDLL32.EXE File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\desktop.ini RUNDLL32.EXE File opened for modification C:\Users\Admin\AppData\Local\Microsoft\Windows\History\History.IE5\desktop.ini RUNDLL32.EXE -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
rundll32.exeRUNDLL32.EXEdescription pid process Token: SeDebugPrivilege 1520 rundll32.exe Token: SeDebugPrivilege 784 RUNDLL32.EXE -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
efdf40bde5e0cd0425d4f7502a6b6bda.exerundll32.exedescription pid process target process PID 1756 wrote to memory of 1520 1756 efdf40bde5e0cd0425d4f7502a6b6bda.exe rundll32.exe PID 1756 wrote to memory of 1520 1756 efdf40bde5e0cd0425d4f7502a6b6bda.exe rundll32.exe PID 1756 wrote to memory of 1520 1756 efdf40bde5e0cd0425d4f7502a6b6bda.exe rundll32.exe PID 1756 wrote to memory of 1520 1756 efdf40bde5e0cd0425d4f7502a6b6bda.exe rundll32.exe PID 1756 wrote to memory of 1520 1756 efdf40bde5e0cd0425d4f7502a6b6bda.exe rundll32.exe PID 1756 wrote to memory of 1520 1756 efdf40bde5e0cd0425d4f7502a6b6bda.exe rundll32.exe PID 1756 wrote to memory of 1520 1756 efdf40bde5e0cd0425d4f7502a6b6bda.exe rundll32.exe PID 1520 wrote to memory of 784 1520 rundll32.exe RUNDLL32.EXE PID 1520 wrote to memory of 784 1520 rundll32.exe RUNDLL32.EXE PID 1520 wrote to memory of 784 1520 rundll32.exe RUNDLL32.EXE PID 1520 wrote to memory of 784 1520 rundll32.exe RUNDLL32.EXE PID 1520 wrote to memory of 784 1520 rundll32.exe RUNDLL32.EXE PID 1520 wrote to memory of 784 1520 rundll32.exe RUNDLL32.EXE PID 1520 wrote to memory of 784 1520 rundll32.exe RUNDLL32.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\efdf40bde5e0cd0425d4f7502a6b6bda.exe"C:\Users\Admin\AppData\Local\Temp\efdf40bde5e0cd0425d4f7502a6b6bda.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\EFDF40~1.DLL,Z C:\Users\Admin\AppData\Local\Temp\EFDF40~1.EXE2⤵
- Deletes itself
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1520 -
C:\Windows\SysWOW64\RUNDLL32.EXEC:\Windows\system32\RUNDLL32.EXE C:\Users\Admin\AppData\Local\Temp\EFDF40~1.DLL,LQ8e3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Drops desktop.ini file(s)
- Suspicious use of AdjustPrivilegeToken
PID:784
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
7ac078a4c0a0c82464f31418b512cad7
SHA1edafdb4391106484521c3a76890690ee525a9d68
SHA2568c8d6d7a1c6ce3ae445a85b32aac61eef74d00effcaaac0379d33cd299008418
SHA512e5c6cff838a20a0130ed42b170fdd0fcca3491dd65ffb4ced4612b8c8598b3083172f3218a5471c22ffdd6189f748c22e6c7b9417a775344b04956fa2e141507
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MD5
7ac078a4c0a0c82464f31418b512cad7
SHA1edafdb4391106484521c3a76890690ee525a9d68
SHA2568c8d6d7a1c6ce3ae445a85b32aac61eef74d00effcaaac0379d33cd299008418
SHA512e5c6cff838a20a0130ed42b170fdd0fcca3491dd65ffb4ced4612b8c8598b3083172f3218a5471c22ffdd6189f748c22e6c7b9417a775344b04956fa2e141507
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MD5
7ac078a4c0a0c82464f31418b512cad7
SHA1edafdb4391106484521c3a76890690ee525a9d68
SHA2568c8d6d7a1c6ce3ae445a85b32aac61eef74d00effcaaac0379d33cd299008418
SHA512e5c6cff838a20a0130ed42b170fdd0fcca3491dd65ffb4ced4612b8c8598b3083172f3218a5471c22ffdd6189f748c22e6c7b9417a775344b04956fa2e141507
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MD5
7ac078a4c0a0c82464f31418b512cad7
SHA1edafdb4391106484521c3a76890690ee525a9d68
SHA2568c8d6d7a1c6ce3ae445a85b32aac61eef74d00effcaaac0379d33cd299008418
SHA512e5c6cff838a20a0130ed42b170fdd0fcca3491dd65ffb4ced4612b8c8598b3083172f3218a5471c22ffdd6189f748c22e6c7b9417a775344b04956fa2e141507
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MD5
7ac078a4c0a0c82464f31418b512cad7
SHA1edafdb4391106484521c3a76890690ee525a9d68
SHA2568c8d6d7a1c6ce3ae445a85b32aac61eef74d00effcaaac0379d33cd299008418
SHA512e5c6cff838a20a0130ed42b170fdd0fcca3491dd65ffb4ced4612b8c8598b3083172f3218a5471c22ffdd6189f748c22e6c7b9417a775344b04956fa2e141507
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MD5
7ac078a4c0a0c82464f31418b512cad7
SHA1edafdb4391106484521c3a76890690ee525a9d68
SHA2568c8d6d7a1c6ce3ae445a85b32aac61eef74d00effcaaac0379d33cd299008418
SHA512e5c6cff838a20a0130ed42b170fdd0fcca3491dd65ffb4ced4612b8c8598b3083172f3218a5471c22ffdd6189f748c22e6c7b9417a775344b04956fa2e141507
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MD5
7ac078a4c0a0c82464f31418b512cad7
SHA1edafdb4391106484521c3a76890690ee525a9d68
SHA2568c8d6d7a1c6ce3ae445a85b32aac61eef74d00effcaaac0379d33cd299008418
SHA512e5c6cff838a20a0130ed42b170fdd0fcca3491dd65ffb4ced4612b8c8598b3083172f3218a5471c22ffdd6189f748c22e6c7b9417a775344b04956fa2e141507
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MD5
7ac078a4c0a0c82464f31418b512cad7
SHA1edafdb4391106484521c3a76890690ee525a9d68
SHA2568c8d6d7a1c6ce3ae445a85b32aac61eef74d00effcaaac0379d33cd299008418
SHA512e5c6cff838a20a0130ed42b170fdd0fcca3491dd65ffb4ced4612b8c8598b3083172f3218a5471c22ffdd6189f748c22e6c7b9417a775344b04956fa2e141507
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MD5
7ac078a4c0a0c82464f31418b512cad7
SHA1edafdb4391106484521c3a76890690ee525a9d68
SHA2568c8d6d7a1c6ce3ae445a85b32aac61eef74d00effcaaac0379d33cd299008418
SHA512e5c6cff838a20a0130ed42b170fdd0fcca3491dd65ffb4ced4612b8c8598b3083172f3218a5471c22ffdd6189f748c22e6c7b9417a775344b04956fa2e141507